[163] | 1 | /* Virginia Tech Cognitive Radio Open Source Systems |
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| 2 | * Virginia Tech, 2009 |
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| 3 | * |
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| 4 | * LICENSE INFORMATION GOES HERE |
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| 5 | */ |
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| 6 | |
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[278] | 7 | /* Inter-component communication handled by sockets and FD's. |
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| 8 | * Server support has been completely implemented and tested. |
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| 9 | * |
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| 10 | * Services are stored in a SQLite DB by the ID of the CE that registered them. Service |
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| 11 | * support has been completely implemented and tested. |
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| 12 | * |
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| 13 | * Missions are loaded from an XML file, connected with services provided by components, |
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| 14 | * and run. See the documentation for the "PerformActiveMission" below for important |
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| 15 | * info. |
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[163] | 16 | */ |
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| 17 | |
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[278] | 18 | //TODO Add nested conditional support |
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| 19 | //TODO Verify update functionality |
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| 20 | //TODO Better shutdown |
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| 21 | //TODO Verify Deregister services |
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[287] | 22 | //TODO printf's |
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[163] | 23 | |
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[278] | 24 | #include <stdlib.h> |
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| 25 | #include <string.h> |
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| 26 | #include <stdio.h> |
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[163] | 27 | #include <cstring> |
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| 28 | #include <stdint.h> |
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| 29 | |
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| 30 | #include "vtcross/common.h" |
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[278] | 31 | |
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| 32 | #include "components.h" |
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[163] | 33 | #include "vtcross/containers.h" |
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| 34 | #include "vtcross/debug.h" |
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| 35 | #include "vtcross/error.h" |
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| 36 | #include "vtcross/socketcomm.h" |
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[278] | 37 | #include <cstring> |
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| 38 | #include <stdint.h> |
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| 39 | #include <math.h> |
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[163] | 40 | |
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[278] | 41 | #include <arpa/inet.h> |
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| 42 | #include <iostream> |
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| 43 | #include <netinet/in.h> |
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| 44 | #include <netdb.h> |
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| 45 | #include <fcntl.h> |
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| 46 | #include <sys/ioctl.h> |
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| 47 | #include <sys/mman.h> |
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| 48 | #include <sys/socket.h> |
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| 49 | #include <sys/types.h> |
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| 50 | #include <sys/wait.h> |
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[163] | 51 | |
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[278] | 52 | #include "tinyxml/tinyxml.h" |
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| 53 | #include "tinyxml/tinystr.h" |
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| 54 | |
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| 55 | #include "sqlite3.h" |
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| 56 | |
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| 57 | typedef struct services_s *services_DB; |
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| 58 | typedef struct data_s *data_DB; |
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| 59 | |
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| 60 | using namespace std; |
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| 61 | |
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| 62 | struct services_s { |
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| 63 | char filename[64]; |
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| 64 | char tablename[64]; |
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| 65 | char command[2048]; |
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| 66 | sqlite3 *db; |
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| 67 | unsigned int num_columns; |
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| 68 | }; |
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| 69 | |
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| 70 | struct data_s { |
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| 71 | char filename[64]; |
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| 72 | char tablename[64]; |
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| 73 | char command[2048]; |
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| 74 | sqlite3 *db; |
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| 75 | unsigned int num_columns; |
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| 76 | }; |
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| 77 | |
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| 78 | services_DB _services_DB; |
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| 79 | data_DB _data_DB; |
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| 80 | const char *_SML_Config; |
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| 81 | |
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| 82 | //Callback function used internally by some of the SQLite3 commands |
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| 83 | int callback(void *notUsed, int argc, char **argv, char **azColName){ |
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| 84 | int i; |
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| 85 | for(i=0; i<argc; i++){ |
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| 86 | printf("%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL"); |
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| 87 | } |
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| 88 | printf("\n"); |
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| 89 | return 0; |
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| 90 | } |
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| 91 | |
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| 92 | |
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| 93 | |
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[163] | 94 | ServiceManagementLayer::ServiceManagementLayer() |
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| 95 | { |
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[164] | 96 | LOG("Creating Service Management Layer.\n"); |
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[204] | 97 | shellSocketFD = -1; |
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[278] | 98 | numberOfCognitiveEngines = 0; |
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| 99 | CE_Present = false; |
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| 100 | cogEngSrv = 1; |
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[163] | 101 | } |
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| 102 | |
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[278] | 103 | //Free and clear the DB's associated with this SML in the destructor |
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| 104 | //Note that exiting with an error condition will cause SML to not be destructed, |
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| 105 | // resulting in the DB's staying in memory until the destructor is encountered in future executions |
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[163] | 106 | ServiceManagementLayer::~ServiceManagementLayer() |
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| 107 | { |
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[278] | 108 | char *errorMsg; |
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| 109 | strcpy(_services_DB->command, "drop table "); |
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| 110 | strcat(_services_DB->command, _services_DB->tablename); |
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| 111 | int rc = sqlite3_exec(_services_DB->db, _services_DB->command, callback, 0, &errorMsg); |
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| 112 | if( rc!=SQLITE_OK && rc!=101 ) |
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| 113 | fprintf(stderr, "ServiceManagementLayer::Destructor services 'drop table' error: %s\n", errorMsg); |
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| 114 | strcpy(_services_DB->command, "vacuum"); |
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| 115 | rc = sqlite3_exec(_services_DB->db, _services_DB->command, callback, 0, &errorMsg); |
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| 116 | if( rc!=SQLITE_OK && rc!=101 ) |
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| 117 | fprintf(stderr, "ServiceManagementLayer::Destructor services 'vacuum' error: %s\n", errorMsg); |
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| 118 | free(_services_DB); |
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| 119 | |
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| 120 | strcpy(_data_DB->command, "drop table "); |
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| 121 | strcat(_data_DB->command, _data_DB->tablename); |
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| 122 | rc = sqlite3_exec(_data_DB->db, _data_DB->command, callback, 0, &errorMsg); |
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| 123 | if( rc!=SQLITE_OK && rc!=101 ) |
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| 124 | fprintf(stderr, "ServiceManagementLayer::Destructor data 'drop table' error: %s\n", errorMsg); |
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| 125 | strcpy(_data_DB->command, "vacuum"); |
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| 126 | rc = sqlite3_exec(_data_DB->db, _data_DB->command, callback, 0, &errorMsg); |
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| 127 | if( rc!=SQLITE_OK && rc!=101 ) |
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| 128 | fprintf(stderr, "ServiceManagementLayer::Destructor data 'vacuum' error: %s\n", errorMsg); |
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| 129 | free(_data_DB); |
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[163] | 130 | } |
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| 131 | |
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[278] | 132 | //Note that sizes of CE_List, miss, and service are hardcoded for now. |
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| 133 | //Also, their sizes are hardcoded into the code in various places; a fix for a future version. |
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| 134 | ServiceManagementLayer::ServiceManagementLayer(const char* SML_Config, \ |
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[285] | 135 | const char* serverName, const char* serverPort, int16_t clientPort) |
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[204] | 136 | { |
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| 137 | LOG("Creating Service Management Layer.\n"); |
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[278] | 138 | _SML_Config = SML_Config; |
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[285] | 139 | SMLport = clientPort; |
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[204] | 140 | |
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| 141 | ConnectToShell(serverName, serverPort); |
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[278] | 142 | CE_List = (CE_Reg *) malloc(10*sizeof(struct CE_Reg)); |
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| 143 | CE_List = new CE_Reg[10]; |
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[204] | 144 | |
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[278] | 145 | miss = new Mission[10]; |
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| 146 | for(int i = 0; i < 10; i++) |
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| 147 | miss[i].services = new Service[20]; |
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| 148 | |
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| 149 | Current_ID = 0; |
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| 150 | |
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| 151 | LoadConfiguration(SML_Config, miss); |
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| 152 | CreateServicesDB(); |
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| 153 | CreateDataDB(); |
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[204] | 154 | } |
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| 155 | |
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[278] | 156 | /* CALLED BY: constructor |
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| 157 | * INPUTS: <none> |
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| 158 | * OUTPUTS: <none> |
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| 159 | * |
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| 160 | * DESCRIPTION: Create and initialize a DB to hold the services registered by components |
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| 161 | */ |
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| 162 | void |
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| 163 | ServiceManagementLayer::CreateServicesDB() |
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| 164 | { |
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[282] | 165 | |
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| 166 | |
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| 167 | sqlite3_stmt *ppStmt; /* OUT: Statement handle */ |
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| 168 | const char *pzTail; /* OUT: Pointer to unused portion of zSql */ |
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| 169 | |
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| 170 | |
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[278] | 171 | _services_DB = (services_DB) malloc(sizeof(struct services_s)); |
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[287] | 172 | // char *errorMsg; |
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[204] | 173 | |
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[278] | 174 | // create database |
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| 175 | |
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| 176 | // copy filename |
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| 177 | strcpy(_services_DB->filename, "Services_Table"); |
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| 178 | |
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| 179 | // execute create database command |
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| 180 | // database handle |
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| 181 | //_services_DB->db = NULL; |
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| 182 | sqlite3_open(_services_DB->filename, &(_services_DB->db)); |
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| 183 | char* cols[] = {(char *)"ID_Num", (char *)"Service_Name"}; |
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| 184 | |
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| 185 | // create table |
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| 186 | |
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| 187 | // copy tablename |
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| 188 | strcpy(_services_DB->tablename, "Services"); |
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[282] | 189 | sprintf(_services_DB->command, "DROP TABLE IF EXISTS Services;"); |
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[278] | 190 | |
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[282] | 191 | int rc = sqlite3_prepare_v2(_services_DB->db, _services_DB->command, 128, &ppStmt, &pzTail); |
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| 192 | if( rc!=SQLITE_OK && rc!=101 ) |
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| 193 | printf("ServiceManagementLayer::CreateServicesDB 'prepare_stmt' error %d\n", rc); |
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| 194 | rc = sqlite3_step(ppStmt); |
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| 195 | if( rc!=SQLITE_OK && rc!=101 ) |
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[287] | 196 | printf("ServiceManagementLayer::CreateServicesDB 'step' error\n"); |
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[282] | 197 | |
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[278] | 198 | // number of columns in the table |
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| 199 | _services_DB->num_columns = 2; |
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| 200 | |
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| 201 | // generate command |
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| 202 | strcpy(_services_DB->command, "CREATE TABLE "); |
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| 203 | strcat(_services_DB->command, _services_DB->tablename); |
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| 204 | strcat(_services_DB->command, "("); |
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| 205 | strcat(_services_DB->command, cols[0]); |
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| 206 | strcat(_services_DB->command, " INT, "); |
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| 207 | strcat(_services_DB->command, cols[1]); |
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| 208 | strcat(_services_DB->command, " TEXT"); |
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| 209 | strcat(_services_DB->command, ");"); |
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| 210 | |
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| 211 | // execute create table command |
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| 212 | |
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[282] | 213 | rc = sqlite3_prepare_v2(_services_DB->db, _services_DB->command, 128, &ppStmt, &pzTail); |
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[278] | 214 | if( rc!=SQLITE_OK && rc!=101 ) |
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| 215 | printf("ServiceManagementLayer::CreateServicesDB 'prepare_stmt' error %d\n", rc); |
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| 216 | rc = sqlite3_step(ppStmt); |
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| 217 | if( rc!=SQLITE_OK && rc!=101 ) |
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[287] | 218 | printf("ServiceManagementLayer::CreateServicesDB 'step' error\n"); |
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[278] | 219 | } |
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| 220 | |
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| 221 | /* CALLED BY: constructor |
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| 222 | * INPUTS: <none> |
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| 223 | * OUTPUTS: <none> |
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| 224 | * |
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| 225 | * DESCRIPTION: Create and initialize a DB to hold the data sent by components |
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| 226 | */ |
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| 227 | void |
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| 228 | ServiceManagementLayer::CreateDataDB() |
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| 229 | { |
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| 230 | _data_DB = (data_DB) malloc(sizeof(struct data_s)); |
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[287] | 231 | //char *errorMsg; |
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| 232 | sqlite3_stmt *ppStmt; /* OUT: Statement handle */ |
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| 233 | const char *pzTail; /* OUT: Pointer to unused portion of zSql */ |
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[278] | 234 | |
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| 235 | // create database |
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| 236 | |
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| 237 | // copy filename |
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| 238 | strcpy(_data_DB->filename, "Data_Table"); |
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| 239 | // execute create database command |
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| 240 | // database handle |
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| 241 | //_services_DB->db = NULL; |
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| 242 | sqlite3_open(_data_DB->filename, &(_data_DB->db)); |
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| 243 | char* cols[] = {(char *)"Tag", (char *)"Data"}; |
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| 244 | |
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| 245 | // create table |
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| 246 | |
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| 247 | // copy tablename |
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| 248 | strcpy(_data_DB->tablename, "Data"); |
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[287] | 249 | sprintf(_data_DB->command, "DROP TABLE IF EXISTS Data;"); |
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[278] | 250 | |
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[287] | 251 | int rc = sqlite3_prepare_v2(_data_DB->db, _data_DB->command, 128, &ppStmt, &pzTail); |
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| 252 | if( rc!=SQLITE_OK && rc!=101 ) |
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| 253 | printf("ServiceManagementLayer::CreateServicesDB 'prepare_stmt' error %d\n", rc); |
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| 254 | rc = sqlite3_step(ppStmt); |
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| 255 | if( rc!=SQLITE_OK && rc!=101 ) |
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| 256 | printf("ServiceManagementLayer::CreateServicesDB 'step' error\n"); |
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| 257 | |
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| 258 | |
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[278] | 259 | // number of columns in the table |
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| 260 | _data_DB->num_columns = 2; |
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| 261 | |
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| 262 | // generate command |
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| 263 | strcpy(_data_DB->command, "CREATE TABLE "); |
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| 264 | strcat(_data_DB->command, _data_DB->tablename); |
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| 265 | strcat(_data_DB->command, "("); |
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| 266 | strcat(_data_DB->command, cols[0]); |
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| 267 | //First column is the name of the data (coresponding to the name of the output/input pair) |
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| 268 | //It is the primary key so any subsequent data with the same name will replace the row |
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| 269 | strcat(_data_DB->command, " TEXT PRIMARY KEY ON CONFLICT REPLACE, "); |
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| 270 | strcat(_data_DB->command, cols[1]); |
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| 271 | strcat(_data_DB->command, " TEXT"); |
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| 272 | strcat(_data_DB->command, ");"); |
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| 273 | |
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| 274 | // execute create table command |
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| 275 | |
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[287] | 276 | rc = sqlite3_prepare_v2(_data_DB->db, _data_DB->command, 128, &ppStmt, &pzTail); |
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[278] | 277 | if( rc!=SQLITE_OK && rc!=101 ) |
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| 278 | printf("ServiceManagementLayer::CreateDataDB 'prepare_stmt' error %d\n", rc); |
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| 279 | rc = sqlite3_step(ppStmt); |
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| 280 | if( rc!=SQLITE_OK && rc!=101 ) |
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[287] | 281 | printf("ServiceManagementLayer::CreateDataDB 'step' error\n"); |
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[278] | 282 | } |
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| 283 | |
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| 284 | /* CALLED BY: MessageHandler |
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| 285 | * INPUTS: <none> |
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| 286 | * OUTPUTS: <none> |
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| 287 | * |
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| 288 | * DESCRIPTION: Sends a message identifying this component as an SML to the Shell |
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| 289 | */ |
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[163] | 290 | void |
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[200] | 291 | ServiceManagementLayer::SendComponentType() |
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[163] | 292 | { |
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[204] | 293 | SendMessage(shellSocketFD, "response_sml"); |
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| 294 | LOG("SML responded to GetRemoteComponentType query.\n"); |
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[163] | 295 | } |
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| 296 | |
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[278] | 297 | /* CALLED BY: constructor |
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| 298 | * INPUTS: |serverName| the IPv4 name of the server (127.0.0.1 for localhost) |
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| 299 | * |serverPort| the port on the server to connect to |
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| 300 | * OUTPUTS: <none> |
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| 301 | * |
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| 302 | * DESCRIPTION: Connecting to the shell takes 2 steps |
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| 303 | * 1) Establish a client socket for communication |
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| 304 | * 2) Run the initial Registration/handshake routine |
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| 305 | */ |
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[163] | 306 | void |
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[204] | 307 | ServiceManagementLayer::ConnectToShell(const char* serverName, \ |
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| 308 | const char* serverPort) |
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[200] | 309 | { |
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[204] | 310 | shellSocketFD = ClientSocket(serverName, serverPort); |
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| 311 | RegisterComponent(); |
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[200] | 312 | } |
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[164] | 313 | |
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[278] | 314 | /* CALLED BY: StartSMLServer |
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| 315 | * INPUTS: |ID| The ID number of the CE that has a message wating |
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| 316 | * OUTPUTS: <none> |
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| 317 | * |
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| 318 | * DESCRIPTION: Called whenever a socket is identified as being ready for communication |
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| 319 | * This funciton reads the message and calls the appropriate helper |
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| 320 | */ |
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| 321 | void |
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| 322 | ServiceManagementLayer::MessageHandler(int32_t ID) |
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[200] | 323 | { |
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[278] | 324 | char buffer[256]; |
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| 325 | memset(buffer, 0, 256); |
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| 326 | int32_t _FD; |
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| 327 | |
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| 328 | if(ID != -1) |
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| 329 | _FD = CE_List[ID].FD; |
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| 330 | else |
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| 331 | _FD = shellSocketFD; |
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| 332 | ReadMessage(_FD, buffer); |
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[282] | 333 | //printf("MH_buffer = %s\n", buffer); |
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[278] | 334 | |
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| 335 | //--------Policy Engine Stuff - no policy engine support in this version-------// |
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[206] | 336 | |
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[278] | 337 | //printf("********* %s **********\n", buffer); |
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| 338 | // TODO |
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| 339 | // If we send integer op codes rather than strings, this process will be |
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| 340 | // MUCH faster since instead of donig string compares we can simply |
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| 341 | // switch on the integer value... |
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| 342 | /*if(strcmp(buffer, "register_service") == 0) { |
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| 343 | if(strcmp(buffer, "policy_geo") == 0) { |
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[206] | 344 | } |
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[278] | 345 | else if(strcmp(buffer, "policy_time") == 0) { |
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[206] | 346 | } |
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[278] | 347 | else if(strcmp(buffer, "policy_spectrum") == 0) { |
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[206] | 348 | } |
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[278] | 349 | else if(strcmp(buffer, "policy_spacial") == 0) { |
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[206] | 350 | } |
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[278] | 351 | } |
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| 352 | else if(strcmp(buffer, "deregister_service") == 0) { |
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| 353 | if(strcmp(buffer, "policy_geo") == 0) { |
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[206] | 354 | } |
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[278] | 355 | else if(strcmp(buffer, "policy_time") == 0) { |
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| 356 | } |
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| 357 | else if(strcmp(buffer, "policy_spectrum") == 0) { |
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| 358 | } |
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| 359 | else if(strcmp(buffer, "policy_spacial") == 0) { |
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| 360 | } |
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| 361 | }*/ |
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| 362 | |
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| 363 | //Go down the list to call the appropriate function |
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| 364 | if(strcmp(buffer, "query_component_type") == 0) { |
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| 365 | SendComponentType(); |
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[206] | 366 | } |
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[278] | 367 | else if(strcmp(buffer, "reset_sml") == 0) { |
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| 368 | Reset(); |
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| 369 | } |
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| 370 | else if(strcmp(buffer, "shutdown_sml") == 0) { |
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| 371 | Shutdown(); |
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| 372 | } |
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| 373 | else if(strcmp(buffer, "register_engine_cognitive") == 0) { |
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| 374 | RegisterCognitiveEngine(ID); |
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| 375 | } |
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| 376 | else if(strcmp(buffer, "register_service") == 0) { |
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| 377 | ReceiveServices(ID); |
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| 378 | } |
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| 379 | else if(strcmp(buffer, "send_component_type") == 0) { |
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| 380 | SendComponentType(); |
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| 381 | } |
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| 382 | else if(strcmp(buffer, "list_services") == 0) { |
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| 383 | ListServices(); |
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| 384 | } |
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| 385 | else if(strcmp(buffer, "set_active_mission") == 0) { |
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| 386 | SetActiveMission(); |
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| 387 | } |
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| 388 | else if(strcmp(buffer, "request_optimization") == 0) { |
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| 389 | PerformActiveMission(); |
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| 390 | } |
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| 391 | else if(strcmp(buffer, "deregister_engine_cognitive") == 0) { |
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| 392 | DeregisterCognitiveEngine(ID); |
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| 393 | } |
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| 394 | else if(strcmp(buffer, "deregister_service") == 0) { |
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| 395 | DeregisterServices(ID); |
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| 396 | } |
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[163] | 397 | } |
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| 398 | |
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[278] | 399 | //TODO Finish |
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| 400 | /* CALLED BY: MessageHandler |
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| 401 | * INPUTS: <none> |
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| 402 | * OUTPUTS: <none> |
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| 403 | * |
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| 404 | * DESCRIPTION: Deregisters the component from the Shell. |
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| 405 | */ |
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[163] | 406 | void |
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| 407 | ServiceManagementLayer::Shutdown() |
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| 408 | { |
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[204] | 409 | DeregisterComponent(); |
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[163] | 410 | } |
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| 411 | |
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[278] | 412 | //TODO Finish |
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| 413 | /* CALLED BY: MessageHandler |
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| 414 | * INPUTS: <none> |
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| 415 | * OUTPUTS: <none> |
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| 416 | * |
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| 417 | * DESCRIPTION: Deregisters the component from the Shell |
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| 418 | */ |
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[163] | 419 | void |
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| 420 | ServiceManagementLayer::Reset() |
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| 421 | { |
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[204] | 422 | DeregisterComponent(); |
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[278] | 423 | ReloadConfiguration(); |
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[163] | 424 | } |
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| 425 | |
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[278] | 426 | /* CALLED BY: ConnectToShell |
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| 427 | * INPUTS: <none> |
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| 428 | * OUTPUTS: <none> |
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| 429 | * |
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| 430 | * DESCRIPTION: Sends the registration message to the Shell |
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| 431 | */ |
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[163] | 432 | void |
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[200] | 433 | ServiceManagementLayer::RegisterComponent() |
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[163] | 434 | { |
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[200] | 435 | SendMessage(shellSocketFD, "register_sml"); |
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[164] | 436 | LOG("ServiceManagementLayer:: Registration message sent.\n"); |
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[282] | 437 | //printf("SSFD = %d\n", shellSocketFD); |
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[163] | 438 | } |
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| 439 | |
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[278] | 440 | /* CALLED BY: Shutdown |
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| 441 | * INPUTS: <none> |
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| 442 | * OUTPUTS: <none> |
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| 443 | * |
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| 444 | * DESCRIPTION: Closes the client socket with the shell, sends a deregstration message |
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| 445 | */ |
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[163] | 446 | void |
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[200] | 447 | ServiceManagementLayer::DeregisterComponent() |
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[163] | 448 | { |
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[204] | 449 | SendMessage(shellSocketFD, "deregister_sml"); |
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| 450 | LOG("ServiceManagementLayer:: Deregistration message sent.\n"); |
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| 451 | |
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| 452 | shutdown(shellSocketFD, 2); |
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| 453 | close(shellSocketFD); |
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| 454 | shellSocketFD = -1; |
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| 455 | LOG("ServiceManagementLayer:: Shell socket closed.\n"); |
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[163] | 456 | } |
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| 457 | |
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| 458 | |
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[278] | 459 | /* CALLED BY: RegisterCognitiveEngine |
---|
| 460 | * INPUTS: |ID| The ID number of the component where the data is to be transfered to |
---|
| 461 | * OUTPUTS: <none> |
---|
| 462 | * |
---|
| 463 | * DESCRIPTION: Streams config data directly from the shell to the CE, and checks |
---|
| 464 | * for an "ack" message from the CE after every sent message |
---|
| 465 | * to know when to stop communication. |
---|
| 466 | */ |
---|
| 467 | |
---|
| 468 | //Modified to check the incoming message buffer rather than the outgoing message buffer to avoid a portion of the delay |
---|
[163] | 469 | void |
---|
[278] | 470 | ServiceManagementLayer::TransferRadioConfiguration(int32_t ID) |
---|
[163] | 471 | { |
---|
[282] | 472 | //printf("transRadConfig\n"); |
---|
[278] | 473 | struct timeval selTimeout; |
---|
| 474 | fd_set sockSet; |
---|
[282] | 475 | int32_t rc = 1; |
---|
[278] | 476 | char buffer[256]; |
---|
| 477 | //Send data until the CE sends an ACK message back |
---|
| 478 | while(rc!=0){ |
---|
| 479 | memset(buffer, 0, 256); |
---|
| 480 | //Receive data from Shell |
---|
| 481 | ReadMessage(shellSocketFD, buffer); |
---|
[282] | 482 | //printf("buffer = %s\n", buffer); |
---|
[278] | 483 | //Send data to CE |
---|
| 484 | SendMessage(CE_List[ID].FD, buffer); |
---|
| 485 | FD_ZERO(&sockSet); |
---|
| 486 | FD_SET(shellSocketFD, &sockSet); |
---|
| 487 | selTimeout.tv_sec = 0; |
---|
| 488 | selTimeout.tv_usec = 50000; |
---|
| 489 | //Check if there is a message on the shell ready to be processed |
---|
| 490 | rc=select(shellSocketFD + 1, &sockSet, NULL, NULL, &selTimeout); |
---|
| 491 | } |
---|
| 492 | memset(buffer, 0, 256); |
---|
| 493 | ReadMessage(CE_List[ID].FD, buffer); |
---|
| 494 | SendMessage(shellSocketFD, buffer); |
---|
[282] | 495 | //printf("transfer done!\n"); |
---|
[163] | 496 | } |
---|
| 497 | |
---|
| 498 | |
---|
[278] | 499 | /* CALLED BY: RegisterCognitiveEngine |
---|
| 500 | * INPUTS: |ID| The ID number of the component where the data is to be transfered to |
---|
| 501 | * OUTPUTS: <none> |
---|
| 502 | * |
---|
| 503 | * DESCRIPTION: Simmilar to TransferRadioConfig, just with Experience data |
---|
| 504 | */ |
---|
| 505 | |
---|
| 506 | //Modified to check the incoming message buffer rather than the outgoing message buffer to avoid a portion of the delay |
---|
[163] | 507 | void |
---|
[278] | 508 | ServiceManagementLayer::TransferExperience(int32_t ID) |
---|
[163] | 509 | { |
---|
[278] | 510 | struct timeval selTimeout; |
---|
| 511 | fd_set sockSet; |
---|
[282] | 512 | int32_t rc = 1; |
---|
[278] | 513 | char buffer[256]; |
---|
| 514 | //Send data until the CE sends an ACK message back |
---|
| 515 | while(rc!=0){ |
---|
[282] | 516 | //printf("transfering...\n"); |
---|
[278] | 517 | memset(buffer, 0, 256); |
---|
| 518 | //Receive data from Shell |
---|
| 519 | ReadMessage(shellSocketFD, buffer); |
---|
[282] | 520 | //printf("buffer = %s\n", buffer); |
---|
[278] | 521 | //Send data to CE |
---|
| 522 | SendMessage(CE_List[ID].FD, buffer); |
---|
| 523 | FD_ZERO(&sockSet); |
---|
| 524 | FD_SET(shellSocketFD, &sockSet); |
---|
| 525 | selTimeout.tv_sec = 0; |
---|
| 526 | selTimeout.tv_usec = 50000; |
---|
| 527 | //Check if there is a message on the shell ready to be processed |
---|
| 528 | rc=select(shellSocketFD + 1, &sockSet, NULL, NULL, &selTimeout); |
---|
| 529 | } |
---|
| 530 | memset(buffer, 0, 256); |
---|
[282] | 531 | //printf("done trans exp!\n"); |
---|
[278] | 532 | ReadMessage(CE_List[ID].FD, buffer); |
---|
| 533 | SendMessage(shellSocketFD, buffer); |
---|
[163] | 534 | } |
---|
| 535 | |
---|
[278] | 536 | /* CALLED BY: MessageHandler |
---|
| 537 | * INPUTS: |ID| The ID number of the component where service is located |
---|
| 538 | * OUTPUTS: <none> |
---|
| 539 | * |
---|
| 540 | * DESCRIPTION: Inserts a service into the DB with the ID of the component where it exists |
---|
| 541 | */ |
---|
[163] | 542 | void |
---|
[278] | 543 | ServiceManagementLayer::ReceiveServices(int32_t ID) |
---|
[163] | 544 | { |
---|
[278] | 545 | char buffer[256]; |
---|
| 546 | memset(buffer, 0, 256); |
---|
| 547 | ReadMessage(CE_List[ID].FD, buffer); |
---|
| 548 | char* cols[] = {(char *)"ID_Num", (char *)"Service_Name"}; |
---|
[287] | 549 | //printf("RS_buffer = %s\n", buffer); |
---|
[278] | 550 | // generate command |
---|
| 551 | strcpy(_services_DB->command, "insert into "); |
---|
| 552 | strcat(_services_DB->command, _services_DB->tablename); |
---|
| 553 | strcat(_services_DB->command, " ("); |
---|
| 554 | strcat(_services_DB->command, cols[0]); |
---|
| 555 | strcat(_services_DB->command, ", "); |
---|
| 556 | strcat(_services_DB->command, cols[1]); |
---|
| 557 | strcat(_services_DB->command, ") "); |
---|
| 558 | strcat(_services_DB->command, " values("); |
---|
| 559 | sprintf(_services_DB->command, "%s%d", _services_DB->command, ID); |
---|
| 560 | strcat(_services_DB->command, ", '"); |
---|
| 561 | strcat(_services_DB->command, buffer); |
---|
| 562 | strcat(_services_DB->command, "');"); |
---|
| 563 | |
---|
| 564 | //printf("search command: %s\n", _services_DB->command); |
---|
| 565 | // execute add command |
---|
| 566 | char *errorMsg; |
---|
| 567 | int rc = sqlite3_exec(_services_DB->db, _services_DB->command, callback, 0, &errorMsg); |
---|
| 568 | if( rc!=SQLITE_OK && rc!=101 ) |
---|
| 569 | fprintf(stderr, "ServiceManagementLayer::RecieveServices DB Error %s\n", errorMsg); |
---|
[282] | 570 | /*sprintf(outBuffer, "SML: Registering service '%s' from component number '%d'", buffer, ID); |
---|
| 571 | LOG(outBuffer);*/ |
---|
[163] | 572 | } |
---|
| 573 | |
---|
[278] | 574 | /* CALLED BY: MessageHandler |
---|
| 575 | * INPUTS: <none> |
---|
| 576 | * OUTPUTS: <none> |
---|
| 577 | * |
---|
| 578 | * DESCRIPTION: This method associates the services that components provide with the services that are requested in the mission |
---|
| 579 | * Each service in the mission is given the ID and FD of a component that has registered to provide that service |
---|
| 580 | * Deregistration is okay until this method is called without a reload, but if deregistration occurs after this |
---|
| 581 | * method is called it needs to be called again even if other engines also provide the services |
---|
| 582 | */ |
---|
[163] | 583 | void |
---|
| 584 | ServiceManagementLayer::SetActiveMission() |
---|
| 585 | { |
---|
[278] | 586 | char buffer[256]; |
---|
| 587 | memset(buffer, 0, 256); |
---|
| 588 | ReadMessage(shellSocketFD, buffer); |
---|
[287] | 589 | uint32_t missID = atoi(buffer); |
---|
[278] | 590 | for(activeMission = 0; activeMission < 10; activeMission++) |
---|
| 591 | { |
---|
| 592 | //Find the active mission by comparing mission ID's |
---|
| 593 | if(miss[activeMission].missionID == missID) |
---|
| 594 | break; |
---|
| 595 | } |
---|
[285] | 596 | |
---|
[287] | 597 | LOG("ServiceManagementLayer:: Received Set Active Mission command: %i.\n",missID); |
---|
[278] | 598 | //For each service in the mission |
---|
[287] | 599 | for(uint16_t i = 0; i < miss[activeMission].numServices; i++) |
---|
[278] | 600 | { |
---|
| 601 | //Check whether the current service is an actual service or a conditional |
---|
[287] | 602 | if(miss[activeMission].services[i].name.compare("if") && miss[activeMission].services[i].name.compare("while") && \ |
---|
| 603 | miss[activeMission].services[i].name.compare("shell")){ |
---|
[278] | 604 | //If it is a service, search the database of registered services to find the ID of the component that registered it |
---|
| 605 | strcpy(_services_DB->command, "select "); |
---|
| 606 | strcat(_services_DB->command, _services_DB->tablename); |
---|
| 607 | strcat(_services_DB->command, ".* from "); |
---|
| 608 | strcat(_services_DB->command, _services_DB->tablename); |
---|
| 609 | strcat(_services_DB->command, " where Service_Name=="); |
---|
| 610 | sprintf(_services_DB->command, "%s'%s';", _services_DB->command, miss[activeMission].services[i].name.c_str()); |
---|
| 611 | |
---|
| 612 | sqlite3_stmt * pStatement; |
---|
| 613 | int rc = sqlite3_prepare_v2(_services_DB->db, _services_DB->command, -1, &pStatement, NULL); |
---|
| 614 | if (rc == SQLITE_OK){ |
---|
| 615 | if (sqlite3_step(pStatement) == SQLITE_ROW) |
---|
| 616 | miss[activeMission].services[i].componentID = sqlite3_column_int(pStatement, 0); |
---|
| 617 | else { |
---|
[287] | 618 | printf("services_DB:: Mission requires service %s not provided by any connected component.\n",miss[activeMission].services[i].name.c_str()); |
---|
[278] | 619 | rc=31337; |
---|
| 620 | } |
---|
| 621 | } else { |
---|
| 622 | printf("services_DB:: Error executing SQL statement. rc = %i\n%s\n",rc,_services_DB->command); |
---|
| 623 | } |
---|
[287] | 624 | //printf("s_name=%s\n",miss[activeMission].services[i].name.c_str()); |
---|
[278] | 625 | sqlite3_finalize(pStatement); |
---|
| 626 | miss[activeMission].services[i].socketFD = CE_List[miss[activeMission].services[i].componentID].FD; |
---|
| 627 | //Set the FD and ID of the service to refer to the component where the service exists |
---|
| 628 | } |
---|
| 629 | //Nothing to be done for conditionals at this stage |
---|
| 630 | } |
---|
[285] | 631 | |
---|
| 632 | SendMessage(shellSocketFD, "ack"); |
---|
[287] | 633 | LOG("ServiceManagementLayer:: Done setting active mission.\n"); |
---|
[278] | 634 | //printf("\nhere ---%d, %d---\n", miss[activeMission].services[0].componentID, miss[activeMission].services[1].componentID); |
---|
[163] | 635 | } |
---|
| 636 | |
---|
[278] | 637 | /* CALLED BY: PerformActiveMission |
---|
| 638 | * INPUTS: |sourceID| ID of the service that is being processed |
---|
| 639 | * OUTPUTS: <none> |
---|
| 640 | * |
---|
| 641 | * DESCRIPTION: This is a helper method for the "PerformActiveMission" function |
---|
| 642 | * NOTE: This function has changed durrastically from the previous implementation |
---|
| 643 | * Takes an ID of a service |
---|
| 644 | * For that service, finds inputs in DB and forwords those on to the engine after sending comm-starting messages |
---|
| 645 | * Afterwords, listenes for the outputs so that it can store those in the database for future services or the overall output |
---|
| 646 | */ |
---|
| 647 | void |
---|
| 648 | ServiceManagementLayer::TransactData(int32_t sourceID) |
---|
| 649 | { |
---|
[287] | 650 | LOG("ServiceManagementLayer:: Data transaction occuring.\n"); |
---|
[278] | 651 | char buffer[256]; |
---|
| 652 | std::string data; |
---|
| 653 | char* cols[] = {(char *)"Tag", (char *)"Data"}; |
---|
| 654 | int i = 0; |
---|
| 655 | fd_set sockSet; |
---|
[287] | 656 | char *token; |
---|
[278] | 657 | struct timeval selTimeout; |
---|
[287] | 658 | |
---|
| 659 | //Send a message directly to the shell |
---|
| 660 | //printf("name = %s\n", miss[activeMission].services[sourceID].name.c_str()); |
---|
| 661 | if(miss[activeMission].services[sourceID].name.find("shell")!=string::npos) |
---|
| 662 | { |
---|
| 663 | //printf("caught shell\n"); |
---|
| 664 | //If the name on the output doesn't start with "~", search the DB to find the output that should be returned |
---|
| 665 | if(miss[activeMission].services[sourceID].output[0].find("~") == string::npos){ |
---|
| 666 | // printf("taken1\n"); |
---|
| 667 | memset(buffer, 0 , 256); |
---|
| 668 | strcpy(_data_DB->command, "select "); |
---|
| 669 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 670 | strcat(_data_DB->command, ".* from "); |
---|
| 671 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 672 | strcat(_data_DB->command, " where Tag=="); |
---|
| 673 | sprintf(_data_DB->command, "%s'%s';", _data_DB->command, miss[activeMission].services[sourceID].output[0].c_str()); |
---|
| 674 | sqlite3_stmt * pStatement; |
---|
| 675 | int rc = sqlite3_prepare_v2(_data_DB->db, _data_DB->command, -1, &pStatement, NULL); |
---|
| 676 | if (rc == SQLITE_OK){ |
---|
| 677 | if (sqlite3_step(pStatement) == SQLITE_ROW) |
---|
| 678 | data.append((const char*) sqlite3_column_text(pStatement, 1)); |
---|
| 679 | else { |
---|
| 680 | printf("data_DB:: Data not yet in DB.\n"); |
---|
| 681 | rc=31337; |
---|
| 682 | } |
---|
| 683 | } |
---|
| 684 | else { |
---|
| 685 | printf("data_DB:: Error executing SQL statement. rc = %i\n%s\n",rc,_data_DB->command); |
---|
| 686 | } |
---|
| 687 | sqlite3_finalize(pStatement); |
---|
| 688 | token = strtok((char *)data.c_str(), "@"); |
---|
| 689 | SendMessage(shellSocketFD, token); |
---|
| 690 | token = strtok(NULL, "@"); |
---|
| 691 | while(token){ |
---|
| 692 | SendMessage(shellSocketFD, token); |
---|
| 693 | token = strtok(NULL, "@"); |
---|
| 694 | } |
---|
| 695 | } |
---|
| 696 | //Otherwise, just return the value specified by output TODO (in 1 - <output name> - <output name> format) |
---|
| 697 | else{ |
---|
| 698 | printf("taken2\n"); |
---|
| 699 | memset(buffer, 0, 256); |
---|
| 700 | SendMessage(shellSocketFD, "1"); |
---|
| 701 | miss[activeMission].services[sourceID].output[0].erase(0); |
---|
| 702 | SendMessage(shellSocketFD, miss[activeMission].services[sourceID].output[0].c_str()); |
---|
| 703 | SendMessage(shellSocketFD, miss[activeMission].services[sourceID].output[0].c_str()); |
---|
| 704 | } |
---|
| 705 | //printf("done shell\n"); |
---|
| 706 | return; |
---|
| 707 | } |
---|
| 708 | |
---|
| 709 | |
---|
| 710 | |
---|
[278] | 711 | //Transmission starting messages |
---|
| 712 | SendMessage(miss[activeMission].services[sourceID].socketFD, "request_optimization_service"); |
---|
| 713 | SendMessage(miss[activeMission].services[sourceID].socketFD, miss[activeMission].services[sourceID].name.c_str()); |
---|
| 714 | //Find and load the input data |
---|
[287] | 715 | while(i < 5 && !miss[activeMission].services[sourceID].input[i].empty()){ |
---|
[278] | 716 | //printf("pulling input data out of DB for ID#=%d\n", sourceID); |
---|
| 717 | strcpy(_data_DB->command, "select "); |
---|
| 718 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 719 | strcat(_data_DB->command, ".* from "); |
---|
| 720 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 721 | strcat(_data_DB->command, " where Tag=="); |
---|
[287] | 722 | char temp[100]; |
---|
| 723 | strcpy(temp, miss[activeMission].services[sourceID].input[i].c_str()); |
---|
| 724 | char *temp2 = strtok(temp, "+"); |
---|
| 725 | sprintf(_data_DB->command, "%s'%s';", _data_DB->command, temp2); |
---|
[278] | 726 | sqlite3_stmt * pStatement; |
---|
| 727 | int rc = sqlite3_prepare_v2(_data_DB->db, _data_DB->command, -1, &pStatement, NULL); |
---|
| 728 | if (rc == SQLITE_OK){ |
---|
| 729 | if (sqlite3_step(pStatement) == SQLITE_ROW) |
---|
| 730 | data.append((const char*) sqlite3_column_text(pStatement, 1)); |
---|
| 731 | else { |
---|
| 732 | printf("data_DB:: Data not yet in DB.\n"); |
---|
| 733 | rc=31337; |
---|
| 734 | } |
---|
| 735 | } |
---|
| 736 | else { |
---|
| 737 | printf("data_DB:: Error executing SQL statement. rc = %i\n%s\n",rc,_data_DB->command); |
---|
| 738 | } |
---|
| 739 | sqlite3_finalize(pStatement); |
---|
| 740 | char *data_ch = (char *) data.c_str(); |
---|
[287] | 741 | int32_t numStatements = 0; |
---|
| 742 | temp2 = strtok(NULL, "+"); |
---|
| 743 | while(temp2){ |
---|
| 744 | numStatements++; |
---|
| 745 | temp2 = strtok(NULL, "+"); |
---|
| 746 | } |
---|
| 747 | //printf("here1%d\n", numStatements); |
---|
| 748 | char temp4[10]; |
---|
| 749 | memset(temp4, 0, 10); |
---|
| 750 | sprintf(temp4, "%d", numStatements); |
---|
[278] | 751 | //Tokenize the data and pass it along |
---|
[287] | 752 | //printf("here2 %s\n", temp4); |
---|
| 753 | if(strstr(miss[activeMission].services[sourceID].input[i].c_str(), "+")){ |
---|
| 754 | SendMessage(miss[activeMission].services[sourceID].socketFD, temp4); |
---|
| 755 | token = strtok(data_ch, "@"); |
---|
| 756 | } |
---|
| 757 | else{ |
---|
| 758 | token = strtok(data_ch, "@"); |
---|
| 759 | SendMessage(miss[activeMission].services[sourceID].socketFD, token); |
---|
| 760 | } |
---|
| 761 | token = strtok(NULL, "@"); |
---|
| 762 | |
---|
| 763 | |
---|
| 764 | //Either have to send whole block of memory or just one piece |
---|
[278] | 765 | while(token){ |
---|
[287] | 766 | if(strstr(miss[activeMission].services[sourceID].input[i].c_str(), token)) |
---|
| 767 | { |
---|
| 768 | //printf("1tokenizing %s %s!\n", miss[activeMission].services[sourceID].input[i].c_str(), token); |
---|
| 769 | SendMessage(miss[activeMission].services[sourceID].socketFD, token); |
---|
| 770 | token = strtok(NULL, "@"); |
---|
| 771 | SendMessage(miss[activeMission].services[sourceID].socketFD, token); |
---|
| 772 | } |
---|
| 773 | else if(!strstr(miss[activeMission].services[sourceID].input[i].c_str(), "+")) |
---|
| 774 | { |
---|
| 775 | //printf("t not detected tokenizing %s %s!\n", miss[activeMission].services[sourceID].input[i].c_str(), token); |
---|
| 776 | SendMessage(miss[activeMission].services[sourceID].socketFD, token); |
---|
| 777 | token = strtok(NULL, "@"); |
---|
| 778 | SendMessage(miss[activeMission].services[sourceID].socketFD, token); |
---|
| 779 | } |
---|
| 780 | else{ |
---|
| 781 | //printf("3tokenizing %s %s!\n", miss[activeMission].services[sourceID].input[i].c_str(), token); |
---|
| 782 | token = strtok(NULL, "@");} |
---|
[278] | 783 | token = strtok(NULL, "@"); |
---|
| 784 | } |
---|
[287] | 785 | //printf("done\n"); |
---|
[278] | 786 | //printf("done pulling input data out of DB for ID#=%d\n", sourceID); |
---|
| 787 | i++; |
---|
[287] | 788 | data.clear(); |
---|
[278] | 789 | } |
---|
| 790 | int32_t j = 0; |
---|
| 791 | FD_ZERO(&sockSet); |
---|
| 792 | FD_SET(miss[activeMission].services[sourceID].socketFD, &sockSet); |
---|
| 793 | //TODO neccessary? |
---|
| 794 | selTimeout.tv_sec = 5; |
---|
| 795 | selTimeout.tv_usec = 0; |
---|
| 796 | //Use select command to force wait for processing to finish |
---|
| 797 | select(miss[activeMission].services[sourceID].socketFD + 1, &sockSet, NULL, NULL, &selTimeout); |
---|
[287] | 798 | //printf("done\n"); |
---|
| 799 | //TODO rewrite part of data on output? |
---|
| 800 | //TODO true false format? |
---|
| 801 | while(j < 5 && !miss[activeMission].services[sourceID].output[j].empty()){ |
---|
[278] | 802 | int rc; |
---|
[287] | 803 | memset(buffer, 0, 256); |
---|
| 804 | ReadMessage(miss[activeMission].services[sourceID].socketFD, buffer); |
---|
| 805 | // printf("waiting\n"); |
---|
| 806 | data.append(buffer); |
---|
| 807 | data.append("@"); |
---|
| 808 | int t = atoi(buffer); |
---|
| 809 | //printf("%d\n", t); |
---|
| 810 | for(int k = 0; k < t; k++){ |
---|
[278] | 811 | //Read the data incrementally and deliminate it with the "@" symbol |
---|
| 812 | memset(buffer, 0, 256); |
---|
| 813 | ReadMessage(miss[activeMission].services[sourceID].socketFD, buffer); |
---|
[287] | 814 | if(!strcmp(buffer, "TF")){ |
---|
| 815 | ReadMessage(miss[activeMission].services[sourceID].socketFD, buffer); |
---|
| 816 | data.append(buffer); |
---|
| 817 | data.append("@"); |
---|
| 818 | } |
---|
| 819 | else{ |
---|
| 820 | data.append(buffer); |
---|
| 821 | data.append("@"); |
---|
| 822 | memset(buffer, 0, 256); |
---|
| 823 | ReadMessage(miss[activeMission].services[sourceID].socketFD, buffer); |
---|
| 824 | data.append(buffer); |
---|
| 825 | data.append("@"); |
---|
| 826 | } |
---|
[278] | 827 | } |
---|
[287] | 828 | //printf("SML: putting output data into DB for ID#=%d\n", sourceID); |
---|
[278] | 829 | |
---|
| 830 | strcpy(_data_DB->command, "insert or replace into "); |
---|
| 831 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 832 | strcat(_data_DB->command, " ("); |
---|
| 833 | strcat(_data_DB->command, cols[0]); |
---|
| 834 | strcat(_data_DB->command, ", "); |
---|
| 835 | strcat(_data_DB->command, cols[1]); |
---|
| 836 | strcat(_data_DB->command, ") "); |
---|
| 837 | strcat(_data_DB->command, " values('"); |
---|
| 838 | strcat(_data_DB->command, miss[activeMission].services[sourceID].output[j].c_str()); |
---|
| 839 | strcat(_data_DB->command, "', '"); |
---|
| 840 | strcat(_data_DB->command, data.c_str()); |
---|
| 841 | strcat(_data_DB->command, "');"); |
---|
| 842 | char *errorMsg; |
---|
| 843 | rc = sqlite3_exec(_data_DB->db, _data_DB->command, callback, 0, &errorMsg); |
---|
| 844 | if( rc!=SQLITE_OK && rc!=101 ) |
---|
| 845 | fprintf(stderr, "SQL error: %s\n", errorMsg); |
---|
[287] | 846 | //printf("S: done putting ouptut data into DB for ID#='%d', data=%s\n", sourceID, data.c_str()); |
---|
[278] | 847 | j++; |
---|
[287] | 848 | data.clear(); |
---|
[278] | 849 | } |
---|
[287] | 850 | //printf("done transact data!\n"); |
---|
| 851 | LOG("ServiceManagementLayer:: Finished with data transaction.\n"); |
---|
[278] | 852 | |
---|
| 853 | |
---|
[287] | 854 | /*printf("\n\n\n"); |
---|
[278] | 855 | // generate commandi |
---|
| 856 | strcpy(_data_DB->command, "select "); |
---|
| 857 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 858 | strcat(_data_DB->command, ".* from "); |
---|
| 859 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 860 | strcat(_data_DB->command, ";"); |
---|
| 861 | |
---|
| 862 | // execute print (select all) command |
---|
| 863 | char *errorMsg; |
---|
| 864 | int rc = sqlite3_exec(_data_DB->db, _data_DB->command, callback, 0, &errorMsg); |
---|
| 865 | if( rc!=SQLITE_OK && rc!=101 ) |
---|
| 866 | fprintf(stderr, "SQL error: %s\n", errorMsg); |
---|
| 867 | printf("database %s, table %s:\n", _data_DB->filename, _data_DB->tablename); |
---|
[287] | 868 | printf("\n\n\n");*/ |
---|
[278] | 869 | } |
---|
| 870 | |
---|
| 871 | |
---|
| 872 | |
---|
| 873 | /* CALLED BY: MessageHandler |
---|
| 874 | * INPUTS: <none> |
---|
| 875 | * OUTPUTS: <none> |
---|
| 876 | * |
---|
| 877 | * DESCRIPTION: This function works by first sending the inputs from the shell to the appropriate components |
---|
| 878 | * The first service should begin immeadiately, as should any others who have all of their input paramaters |
---|
| 879 | * When they complete, the output path is found and the data is transfered as it becomes available |
---|
| 880 | * Presumably at this point the second function has all of it's paramaters, so it begins to compute, and the cycle repeats |
---|
| 881 | * If the generated output is an overall output, it is sent on to the shell |
---|
| 882 | * "if" and "while" statements are handled by setting up a faux service that has a true input, a false input, and a boolean flag |
---|
| 883 | * If the true input is non-NULL and the flag is true, the statements execute |
---|
| 884 | * Likewise, if the false input is non-NULL and the flag is false, the statements execute |
---|
| 885 | * These flags are set during execution any time one of these faux services' inputs appear in an output statement |
---|
| 886 | * |
---|
| 887 | * |
---|
| 888 | * Rules for active missions (currently) |
---|
| 889 | * -Three inputs/outputs per service and per mission |
---|
| 890 | * -Inputs simply define a path, so multiple variables can be transmitted over the same input |
---|
| 891 | * -Each component that sends data must include the "output_finished" statement after each output is finished sending it's data |
---|
| 892 | * -All ordering constraints have been relaxed in this version; all data is stored locally and only sent when requested |
---|
| 893 | * -If support fully implemented |
---|
| 894 | * -Conditions must be boolean flags |
---|
| 895 | * -Flags are set by putting either the character string "true" or "false" on the buffer |
---|
| 896 | * -IMPORTANT: DB uses '@' to seperate individual statements; using '@' in the data stream will result in incorrect behavior |
---|
| 897 | */ |
---|
[287] | 898 | |
---|
| 899 | //IF-IF-IF |
---|
| 900 | //IF-IF-WHILE |
---|
| 901 | //IF-WHILE |
---|
| 902 | //WHILE |
---|
[278] | 903 | void |
---|
| 904 | ServiceManagementLayer::PerformActiveMission() |
---|
| 905 | { |
---|
[287] | 906 | uint16_t i = 0; |
---|
| 907 | std::string data_param, data_obsv, data; |
---|
[278] | 908 | std::string input; |
---|
| 909 | std::string check; |
---|
| 910 | char buffer[256]; |
---|
| 911 | char* cols[] = {(char *)"Tag", (char *)"Data"}; |
---|
| 912 | //Get the inputs |
---|
[287] | 913 | memset(buffer, 0, 256); |
---|
| 914 | ReadMessage(shellSocketFD, buffer); |
---|
| 915 | LOG("ServiceManagementLayer:: Received PerformActiveMission command.\n"); |
---|
| 916 | data_obsv.append(buffer); |
---|
| 917 | data_obsv.append("@"); |
---|
[278] | 918 | |
---|
[287] | 919 | int t = atoi(buffer); |
---|
| 920 | // printf("****%d****\n", t); |
---|
| 921 | for(int k = 0; k < t; k++) { |
---|
| 922 | memset(buffer, 0, 256); |
---|
| 923 | ReadMessage(shellSocketFD, buffer); |
---|
| 924 | data_obsv.append(buffer); |
---|
| 925 | data_obsv.append("@"); |
---|
| 926 | |
---|
| 927 | memset(buffer, 0, 256); |
---|
| 928 | ReadMessage(shellSocketFD, buffer); |
---|
| 929 | data_obsv.append(buffer); |
---|
| 930 | data_obsv.append("@"); |
---|
| 931 | //printf("data=%s\n", data_obsv.c_str()); |
---|
| 932 | } |
---|
| 933 | |
---|
[278] | 934 | strcpy(_data_DB->command, "insert into "); |
---|
| 935 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 936 | strcat(_data_DB->command, " ("); |
---|
| 937 | strcat(_data_DB->command, cols[0]); |
---|
| 938 | strcat(_data_DB->command, ", "); |
---|
| 939 | strcat(_data_DB->command, cols[1]); |
---|
| 940 | strcat(_data_DB->command, ") "); |
---|
[287] | 941 | strcat(_data_DB->command, " values('observables', '"); |
---|
| 942 | strcat(_data_DB->command, data_obsv.c_str()); |
---|
[278] | 943 | strcat(_data_DB->command, "');"); |
---|
| 944 | char *errorMsg; |
---|
[287] | 945 | int rc = sqlite3_exec(_data_DB->db, _data_DB->command, callback, 0, &errorMsg); |
---|
| 946 | if( rc!=SQLITE_OK && rc!=101 ) |
---|
| 947 | fprintf(stderr, "SQL error: %s\n", errorMsg); |
---|
| 948 | |
---|
| 949 | /* Receive Set of Parameters */ |
---|
| 950 | memset(buffer, 0, 256); |
---|
| 951 | ReadMessage(shellSocketFD, buffer); |
---|
| 952 | data_param.append(buffer); |
---|
| 953 | data_param.append("@"); |
---|
| 954 | t=atoi(buffer); |
---|
| 955 | for(int k = 0; k < t; k++) { |
---|
| 956 | memset(buffer, 0, 256); |
---|
| 957 | ReadMessage(shellSocketFD, buffer); |
---|
| 958 | data_param.append(buffer); |
---|
| 959 | data_param.append("@"); |
---|
| 960 | |
---|
| 961 | memset(buffer, 0, 256); |
---|
| 962 | ReadMessage(shellSocketFD, buffer); |
---|
| 963 | data_param.append(buffer); |
---|
| 964 | data_param.append("@"); |
---|
| 965 | } |
---|
| 966 | //printf("data=%s\n", data_param.c_str()); |
---|
| 967 | |
---|
| 968 | strcpy(_data_DB->command, "insert into "); |
---|
| 969 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 970 | strcat(_data_DB->command, " ("); |
---|
| 971 | strcat(_data_DB->command, cols[0]); |
---|
| 972 | strcat(_data_DB->command, ", "); |
---|
| 973 | strcat(_data_DB->command, cols[1]); |
---|
| 974 | strcat(_data_DB->command, ") "); |
---|
| 975 | strcat(_data_DB->command, " values('paramaters', '"); |
---|
| 976 | strcat(_data_DB->command, data_param.c_str()); |
---|
| 977 | strcat(_data_DB->command, "');"); |
---|
[278] | 978 | rc = sqlite3_exec(_data_DB->db, _data_DB->command, callback, 0, &errorMsg); |
---|
| 979 | if( rc!=SQLITE_OK && rc!=101 ) |
---|
| 980 | fprintf(stderr, "SQL error: %s\n", errorMsg); |
---|
| 981 | |
---|
[287] | 982 | |
---|
| 983 | /*printf("\n\n\n"); |
---|
| 984 | // generate commandi |
---|
| 985 | strcpy(_data_DB->command, "select "); |
---|
| 986 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 987 | strcat(_data_DB->command, ".* from "); |
---|
| 988 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 989 | strcat(_data_DB->command, ";"); |
---|
| 990 | |
---|
| 991 | // execute print (select all) command |
---|
| 992 | rc = sqlite3_exec(_data_DB->db, _data_DB->command, callback, 0, &errorMsg); |
---|
| 993 | if( rc!=SQLITE_OK && rc!=101 ) |
---|
| 994 | fprintf(stderr, "SQL error: %s\n", errorMsg); |
---|
| 995 | printf("database %s, table %s:\n", _data_DB->filename, _data_DB->tablename); |
---|
| 996 | printf("\n\n\n");*/ |
---|
| 997 | |
---|
| 998 | |
---|
| 999 | |
---|
| 1000 | |
---|
| 1001 | // printf("done\n"); |
---|
[278] | 1002 | i=0; |
---|
| 1003 | data.clear(); |
---|
| 1004 | while(i < miss[activeMission].numServices) |
---|
| 1005 | { |
---|
| 1006 | if(miss[activeMission].services[i].name.compare("if")==0) |
---|
| 1007 | { |
---|
[287] | 1008 | // printf("L0:if detected\n"); |
---|
[278] | 1009 | input.clear(); |
---|
| 1010 | check.clear(); |
---|
| 1011 | if(!miss[activeMission].services[i].input[0].empty()){ |
---|
| 1012 | input=miss[activeMission].services[i].input[0]; |
---|
[287] | 1013 | check = "1@true@"; |
---|
[278] | 1014 | } |
---|
| 1015 | else{ |
---|
| 1016 | input=miss[activeMission].services[i].input[1]; |
---|
[287] | 1017 | check = "1@false@"; |
---|
[278] | 1018 | } |
---|
[287] | 1019 | //printf("L0:input=%s\n", input.c_str()); |
---|
[278] | 1020 | |
---|
| 1021 | strcpy(_data_DB->command, "SELECT "); |
---|
| 1022 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1023 | strcat(_data_DB->command, ".* from "); |
---|
| 1024 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1025 | strcat(_data_DB->command, " where Tag=="); |
---|
| 1026 | sprintf(_data_DB->command, "%s'%s';", _data_DB->command, input.c_str()); |
---|
| 1027 | sqlite3_stmt * pStatement; |
---|
[287] | 1028 | rc = sqlite3_prepare_v2(_data_DB->db, _data_DB->command, -1, &pStatement, NULL); |
---|
[278] | 1029 | if (rc == SQLITE_OK){ |
---|
| 1030 | if (sqlite3_step(pStatement) == SQLITE_ROW) |
---|
| 1031 | data = (const char *) sqlite3_column_text(pStatement, 1); |
---|
| 1032 | else { |
---|
| 1033 | printf("1 data_DB:: Data not yet in DB. %d\n", i); |
---|
| 1034 | rc=31337; |
---|
| 1035 | } |
---|
| 1036 | } else { |
---|
| 1037 | printf("data_DB:: Error executing SQL statement. rc = %i\n%s\n",rc,_data_DB->command); |
---|
| 1038 | } |
---|
| 1039 | |
---|
| 1040 | sqlite3_finalize(pStatement); |
---|
[287] | 1041 | // printf("L0:data=%s, check=%s\n", data.c_str(), check.c_str()); |
---|
| 1042 | // printf("L0:--- %d %d---\n", miss[activeMission].services[i].num_conds, i); |
---|
[278] | 1043 | if(data.compare(check)==0){ |
---|
[287] | 1044 | //printf("L0:if taken\n"); |
---|
| 1045 | |
---|
| 1046 | for(int k = i + 1; k <= i + miss[activeMission].services[i].num_conds; k++){ |
---|
| 1047 | //printf("k=%d\n", k); |
---|
| 1048 | if(miss[activeMission].services[k].name.compare("if")==0) |
---|
| 1049 | { |
---|
| 1050 | //printf("L1:if detected\n"); |
---|
| 1051 | input.clear(); |
---|
| 1052 | check.clear(); |
---|
| 1053 | if(!miss[activeMission].services[k].input[0].empty()){ |
---|
| 1054 | input=miss[activeMission].services[k].input[0]; |
---|
| 1055 | check = "1@true@"; |
---|
| 1056 | } |
---|
| 1057 | else{ |
---|
| 1058 | input=miss[activeMission].services[k].input[1]; |
---|
| 1059 | check = "1@false@"; |
---|
| 1060 | } |
---|
| 1061 | //printf("input=%s\n", input.c_str()); |
---|
| 1062 | |
---|
| 1063 | strcpy(_data_DB->command, "SELECT "); |
---|
| 1064 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1065 | strcat(_data_DB->command, ".* from "); |
---|
| 1066 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1067 | strcat(_data_DB->command, " where Tag=="); |
---|
| 1068 | sprintf(_data_DB->command, "%s'%s';", _data_DB->command, input.c_str()); |
---|
| 1069 | sqlite3_stmt * pStatement; |
---|
| 1070 | rc = sqlite3_prepare_v2(_data_DB->db, _data_DB->command, -1, &pStatement, NULL); |
---|
| 1071 | if (rc == SQLITE_OK){ |
---|
| 1072 | if (sqlite3_step(pStatement) == SQLITE_ROW) |
---|
| 1073 | data = (const char *) sqlite3_column_text(pStatement, 1); |
---|
| 1074 | else { |
---|
| 1075 | printf("1 data_DB:: Data not yet in DB. %d\n", k); |
---|
| 1076 | rc=31337; |
---|
| 1077 | } |
---|
| 1078 | } else { |
---|
| 1079 | printf("data_DB:: Error executing SQL statement. rc = %i\n%s\n",rc,_data_DB->command); |
---|
| 1080 | } |
---|
| 1081 | |
---|
| 1082 | sqlite3_finalize(pStatement); |
---|
| 1083 | //printf("L1:data=%s, check=%s\n", data.c_str(), check.c_str()); |
---|
| 1084 | //printf("L1:--- %d %d---\n", miss[activeMission].services[i].num_conds, k); |
---|
| 1085 | if(data.compare(check)==0){ |
---|
| 1086 | //printf("L1:if taken\n"); |
---|
| 1087 | for(int j = k + 1; j <= k + miss[activeMission].services[k].num_conds; j++){ |
---|
| 1088 | // printf("j=%d\n", k); |
---|
| 1089 | //printf("name!!!! = %s\n", miss[activeMission].services[j].name.c_str()); |
---|
| 1090 | if(miss[activeMission].services[j].name.compare("if")==0) |
---|
| 1091 | { |
---|
| 1092 | // printf("L2:if detected\n"); |
---|
| 1093 | input.clear(); |
---|
| 1094 | check.clear(); |
---|
| 1095 | if(!miss[activeMission].services[j].input[0].empty()){ |
---|
| 1096 | input=miss[activeMission].services[j].input[0]; |
---|
| 1097 | check = "1@true@"; |
---|
| 1098 | } |
---|
| 1099 | else{ |
---|
| 1100 | input=miss[activeMission].services[j].input[1]; |
---|
| 1101 | check = "1@false@"; |
---|
| 1102 | } |
---|
| 1103 | //printf("L2:input=%s\n", input.c_str()); |
---|
| 1104 | |
---|
| 1105 | strcpy(_data_DB->command, "SELECT "); |
---|
| 1106 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1107 | strcat(_data_DB->command, ".* from "); |
---|
| 1108 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1109 | strcat(_data_DB->command, " where Tag=="); |
---|
| 1110 | sprintf(_data_DB->command, "%s'%s';", _data_DB->command, input.c_str()); |
---|
| 1111 | sqlite3_stmt * pStatement; |
---|
| 1112 | rc = sqlite3_prepare_v2(_data_DB->db, _data_DB->command, -1, &pStatement, NULL); |
---|
| 1113 | if (rc == SQLITE_OK){ |
---|
| 1114 | if (sqlite3_step(pStatement) == SQLITE_ROW) |
---|
| 1115 | data = (const char *) sqlite3_column_text(pStatement, 1); |
---|
| 1116 | else { |
---|
| 1117 | printf("1 data_DB:: Data not yet in DB. %d\n", k); |
---|
| 1118 | rc=31337; |
---|
| 1119 | } |
---|
| 1120 | } else { |
---|
| 1121 | printf("data_DB:: Error executing SQL statement. rc = %i\n%s\n",rc,_data_DB->command); |
---|
| 1122 | } |
---|
| 1123 | |
---|
| 1124 | sqlite3_finalize(pStatement); |
---|
| 1125 | // printf("L2:data=%s, check=%s\n", data.c_str(), check.c_str()); |
---|
| 1126 | // printf("L2:--- %d %d---\n", miss[activeMission].services[i].num_conds, k); |
---|
| 1127 | if(data.compare(check)==0){ |
---|
| 1128 | //printf("L2:if taken\n"); |
---|
| 1129 | for(int p = j + 1; p <= j + miss[activeMission].services[j].num_conds; p++) |
---|
| 1130 | TransactData(p); |
---|
| 1131 | } |
---|
| 1132 | else{ |
---|
| 1133 | //printf("L2:if not taken %d\n", miss[activeMission].services[j].num_conds); |
---|
| 1134 | } |
---|
| 1135 | j+=miss[activeMission].services[j].num_conds; |
---|
| 1136 | } |
---|
| 1137 | |
---|
| 1138 | else if(miss[activeMission].services[j].name.compare("while")==0) |
---|
| 1139 | { |
---|
| 1140 | //printf("while detected\n"); |
---|
| 1141 | while(true){ |
---|
| 1142 | data.clear(); |
---|
| 1143 | input.clear(); |
---|
| 1144 | check.clear(); |
---|
| 1145 | if(!miss[activeMission].services[j].input[0].empty()){ |
---|
| 1146 | input=miss[activeMission].services[j].input[0]; |
---|
| 1147 | check = "1@true@"; |
---|
| 1148 | } |
---|
| 1149 | else{ |
---|
| 1150 | input=miss[activeMission].services[j].input[1]; |
---|
| 1151 | check = "1@false@"; |
---|
| 1152 | } |
---|
| 1153 | strcpy(_data_DB->command, "select "); |
---|
| 1154 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1155 | strcat(_data_DB->command, ".* from "); |
---|
| 1156 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1157 | strcat(_data_DB->command, " where Tag=="); |
---|
| 1158 | sprintf(_data_DB->command, "%s'%s';", _data_DB->command, input.c_str()); |
---|
| 1159 | sqlite3_stmt * pStatement; |
---|
| 1160 | rc = sqlite3_prepare_v2(_data_DB->db, _data_DB->command, -1, &pStatement, NULL); |
---|
| 1161 | if (rc == SQLITE_OK){ |
---|
| 1162 | if (sqlite3_step(pStatement) == SQLITE_ROW) |
---|
| 1163 | data = (const char *) sqlite3_column_text(pStatement, 1); |
---|
| 1164 | else |
---|
| 1165 | printf("1 data_DB:: Data not yet in DB. %d\n", i); |
---|
| 1166 | } |
---|
| 1167 | else { |
---|
| 1168 | printf("data_DB:: Error executing SQL statement. rc = %i\n%s\n",rc,_data_DB->command); |
---|
| 1169 | } |
---|
| 1170 | |
---|
| 1171 | sqlite3_finalize(pStatement); |
---|
| 1172 | printf("data=%s, check=%s\n", data.c_str(), check.c_str()); |
---|
| 1173 | if(data.compare(check)==0){ |
---|
| 1174 | printf("while taken\n"); |
---|
| 1175 | for(int p = j + 1; p <= j + miss[activeMission].services[j].num_conds; p++) |
---|
| 1176 | TransactData(p); |
---|
| 1177 | } |
---|
| 1178 | else{ |
---|
| 1179 | printf("while not taken %d\n", miss[activeMission].services[k].num_conds); |
---|
| 1180 | j+=miss[activeMission].services[j].num_conds; |
---|
| 1181 | break; |
---|
| 1182 | } |
---|
| 1183 | } |
---|
| 1184 | } |
---|
| 1185 | else{ |
---|
| 1186 | printf("L2: nocond transact\n"); |
---|
| 1187 | TransactData(j);} |
---|
| 1188 | j++; |
---|
| 1189 | } |
---|
| 1190 | } |
---|
| 1191 | else{ |
---|
| 1192 | //printf("if not taken %d\n", miss[activeMission].services[k].num_conds); |
---|
| 1193 | } |
---|
| 1194 | k+=miss[activeMission].services[k].num_conds; |
---|
| 1195 | } |
---|
| 1196 | else if(miss[activeMission].services[k].name.compare("while")==0) |
---|
| 1197 | { |
---|
| 1198 | //printf("while detected\n"); |
---|
| 1199 | while(true){ |
---|
| 1200 | data.clear(); |
---|
| 1201 | input.clear(); |
---|
| 1202 | check.clear(); |
---|
| 1203 | if(!miss[activeMission].services[k].input[0].empty()){ |
---|
| 1204 | input=miss[activeMission].services[k].input[0]; |
---|
| 1205 | check = "1@true@"; |
---|
| 1206 | } |
---|
| 1207 | else{ |
---|
| 1208 | input=miss[activeMission].services[k].input[1]; |
---|
| 1209 | check = "1@false@"; |
---|
| 1210 | } |
---|
| 1211 | strcpy(_data_DB->command, "select "); |
---|
| 1212 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1213 | strcat(_data_DB->command, ".* from "); |
---|
| 1214 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1215 | strcat(_data_DB->command, " where Tag=="); |
---|
| 1216 | sprintf(_data_DB->command, "%s'%s';", _data_DB->command, input.c_str()); |
---|
| 1217 | sqlite3_stmt * pStatement; |
---|
| 1218 | rc = sqlite3_prepare_v2(_data_DB->db, _data_DB->command, -1, &pStatement, NULL); |
---|
| 1219 | if (rc == SQLITE_OK){ |
---|
| 1220 | if (sqlite3_step(pStatement) == SQLITE_ROW) |
---|
| 1221 | data = (const char *) sqlite3_column_text(pStatement, 1); |
---|
| 1222 | else |
---|
| 1223 | printf("1 data_DB:: Data not yet in DB. %d\n", i); |
---|
| 1224 | } |
---|
| 1225 | else { |
---|
| 1226 | printf("data_DB:: Error executing SQL statement. rc = %i\n%s\n",rc,_data_DB->command); |
---|
| 1227 | } |
---|
| 1228 | |
---|
| 1229 | sqlite3_finalize(pStatement); |
---|
| 1230 | printf("data=%s, check=%s\n", data.c_str(), check.c_str()); |
---|
| 1231 | if(data.compare(check)==0){ |
---|
| 1232 | printf("while taken\n"); |
---|
| 1233 | for(int k = i + 1; k <= i + miss[activeMission].services[i].num_conds; k++) |
---|
| 1234 | TransactData(k); |
---|
| 1235 | } |
---|
| 1236 | else{ |
---|
| 1237 | printf("while not taken %d\n", miss[activeMission].services[k].num_conds); |
---|
| 1238 | k+=miss[activeMission].services[k].num_conds; |
---|
| 1239 | break; |
---|
| 1240 | } |
---|
| 1241 | } |
---|
| 1242 | } |
---|
| 1243 | else{ |
---|
| 1244 | //printf("L1: nocond transact\n"); |
---|
| 1245 | TransactData(k);} |
---|
| 1246 | k++; |
---|
| 1247 | } |
---|
[278] | 1248 | } |
---|
| 1249 | else{ |
---|
[287] | 1250 | printf("La2 if not taken %d\n", miss[activeMission].services[i].num_conds); |
---|
[278] | 1251 | } |
---|
[287] | 1252 | //printf("i=%d\n", i); |
---|
| 1253 | i+=miss[activeMission].services[i].num_conds; |
---|
| 1254 | //printf("i=%d\n", i); |
---|
[278] | 1255 | } |
---|
| 1256 | else if(miss[activeMission].services[i].name.compare("while")==0) |
---|
| 1257 | { |
---|
[287] | 1258 | //printf("while detected\n"); |
---|
[278] | 1259 | while(true){ |
---|
| 1260 | data.clear(); |
---|
| 1261 | input.clear(); |
---|
| 1262 | check.clear(); |
---|
| 1263 | if(!miss[activeMission].services[i].input[0].empty()){ |
---|
| 1264 | input=miss[activeMission].services[i].input[0]; |
---|
[287] | 1265 | check = "1@true@"; |
---|
[278] | 1266 | } |
---|
| 1267 | else{ |
---|
| 1268 | input=miss[activeMission].services[i].input[1]; |
---|
[287] | 1269 | check = "1@false@"; |
---|
[278] | 1270 | } |
---|
| 1271 | strcpy(_data_DB->command, "select "); |
---|
| 1272 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1273 | strcat(_data_DB->command, ".* from "); |
---|
| 1274 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1275 | strcat(_data_DB->command, " where Tag=="); |
---|
| 1276 | sprintf(_data_DB->command, "%s'%s';", _data_DB->command, input.c_str()); |
---|
| 1277 | sqlite3_stmt * pStatement; |
---|
[287] | 1278 | rc = sqlite3_prepare_v2(_data_DB->db, _data_DB->command, -1, &pStatement, NULL); |
---|
[278] | 1279 | if (rc == SQLITE_OK){ |
---|
| 1280 | if (sqlite3_step(pStatement) == SQLITE_ROW) |
---|
| 1281 | data = (const char *) sqlite3_column_text(pStatement, 1); |
---|
| 1282 | else |
---|
| 1283 | printf("1 data_DB:: Data not yet in DB. %d\n", i); |
---|
| 1284 | } |
---|
| 1285 | else { |
---|
| 1286 | printf("data_DB:: Error executing SQL statement. rc = %i\n%s\n",rc,_data_DB->command); |
---|
| 1287 | } |
---|
| 1288 | |
---|
| 1289 | sqlite3_finalize(pStatement); |
---|
[287] | 1290 | //printf("data=%s, check=%s\n", data.c_str(), check.c_str()); |
---|
[278] | 1291 | if(data.compare(check)==0){ |
---|
| 1292 | printf("while taken\n"); |
---|
| 1293 | for(int k = i + 1; k <= i + miss[activeMission].services[i].num_conds; k++) |
---|
| 1294 | TransactData(k); |
---|
| 1295 | } |
---|
| 1296 | else{ |
---|
[287] | 1297 | printf("while not taken %d\n", miss[activeMission].services[i].num_conds); |
---|
[278] | 1298 | i+=miss[activeMission].services[i].num_conds; |
---|
| 1299 | break; |
---|
| 1300 | } |
---|
| 1301 | } |
---|
| 1302 | } |
---|
| 1303 | else{ |
---|
[287] | 1304 | // printf("L0 nocond transact\n"); |
---|
[278] | 1305 | TransactData(i);} |
---|
| 1306 | i++; |
---|
[287] | 1307 | //printf("i=%d\n", i); |
---|
[278] | 1308 | } |
---|
| 1309 | i=0; |
---|
| 1310 | data.clear(); |
---|
| 1311 | //get the ouptuts |
---|
[287] | 1312 | while(i < 5 && !miss[activeMission].output[i].empty()){ |
---|
| 1313 | //printf("sending output data to shell\n"); |
---|
[278] | 1314 | strcpy(_data_DB->command, "select "); |
---|
| 1315 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1316 | strcat(_data_DB->command, ".* from "); |
---|
| 1317 | strcat(_data_DB->command, _data_DB->tablename); |
---|
| 1318 | strcat(_data_DB->command, " where Tag=="); |
---|
| 1319 | sprintf(_data_DB->command, "%s'%s';", _data_DB->command, miss[activeMission].output[i].c_str()); |
---|
| 1320 | sqlite3_stmt * pStatement; |
---|
| 1321 | int rc = sqlite3_prepare_v2(_data_DB->db, _data_DB->command, -1, &pStatement, NULL); |
---|
| 1322 | if (rc == SQLITE_OK){ |
---|
[287] | 1323 | if (sqlite3_step(pStatement) == SQLITE_ROW) |
---|
[278] | 1324 | data.append((const char*) sqlite3_column_text(pStatement, 1)); |
---|
| 1325 | else { |
---|
| 1326 | printf("data_DB:: Data not yet in DB.\n"); |
---|
| 1327 | rc=31337; |
---|
| 1328 | } |
---|
| 1329 | } |
---|
| 1330 | else { |
---|
| 1331 | printf("services_DB:: Error executing SQL statement. rc = %i\n%s\n",rc,_data_DB->command); |
---|
[287] | 1332 | } |
---|
| 1333 | //printf("here %s\n", data.c_str()); |
---|
[278] | 1334 | sqlite3_finalize(pStatement); |
---|
| 1335 | char *data_ch = (char *) data.c_str(); |
---|
| 1336 | char *token = strtok(data_ch, "@"); |
---|
[287] | 1337 | SendMessage(shellSocketFD, token); |
---|
| 1338 | token = strtok(NULL, "@"); |
---|
[278] | 1339 | while(token){ |
---|
| 1340 | SendMessage(shellSocketFD, token); |
---|
[287] | 1341 | //printf("token1 = %s\n", token); |
---|
[278] | 1342 | token = strtok(NULL, "@"); |
---|
[287] | 1343 | SendMessage(shellSocketFD, token); |
---|
| 1344 | //printf("token2 = %s\n", token); |
---|
| 1345 | token = strtok(NULL, "@"); |
---|
[278] | 1346 | } |
---|
| 1347 | i++; |
---|
[287] | 1348 | data.clear(); |
---|
[278] | 1349 | } |
---|
[287] | 1350 | LOG("ServiceManagementLayer:: Done sending output data to shell from PerformActiveMission.\n"); |
---|
[278] | 1351 | } |
---|
| 1352 | |
---|
| 1353 | |
---|
| 1354 | /* CALLED BY: MessageHandler |
---|
| 1355 | * INPUTS: <none> |
---|
| 1356 | * OUTPUTS: <none> |
---|
| 1357 | * |
---|
| 1358 | * DESCRIPTION: Print a list of the services currently registered and the ID's of the components that registered them |
---|
| 1359 | */ |
---|
[163] | 1360 | void |
---|
| 1361 | ServiceManagementLayer::ListServices() |
---|
| 1362 | { |
---|
[278] | 1363 | // generate commandi |
---|
| 1364 | strcpy(_services_DB->command, "select "); |
---|
| 1365 | strcat(_services_DB->command, _services_DB->tablename); |
---|
| 1366 | strcat(_services_DB->command, ".* from "); |
---|
| 1367 | strcat(_services_DB->command, _services_DB->tablename); |
---|
| 1368 | strcat(_services_DB->command, ";"); |
---|
| 1369 | |
---|
| 1370 | // execute print (select all) command |
---|
| 1371 | char *errorMsg; |
---|
| 1372 | int rc = sqlite3_exec(_services_DB->db, _services_DB->command, callback, 0, &errorMsg); |
---|
| 1373 | if( rc!=SQLITE_OK && rc!=101 ) |
---|
| 1374 | fprintf(stderr, "SQL error: %s\n", errorMsg); |
---|
| 1375 | printf("database %s, table %s:\n", _services_DB->filename, _services_DB->tablename); |
---|
[163] | 1376 | } |
---|
| 1377 | |
---|
[278] | 1378 | /* CALLED BY: Reset |
---|
| 1379 | * INPUTS: <none> |
---|
| 1380 | * OUTPUTS: <none> |
---|
| 1381 | * |
---|
| 1382 | * DESCRIPTION: Clear and reinitialize the mission array, then reload the configuration file |
---|
| 1383 | */ |
---|
[163] | 1384 | void |
---|
| 1385 | ServiceManagementLayer::ReloadConfiguration() |
---|
| 1386 | { |
---|
[204] | 1387 | LOG("ServiceManagementLayer:: Reloading Configuration.\n"); |
---|
[278] | 1388 | free(miss); |
---|
| 1389 | miss = new Mission[10]; |
---|
| 1390 | for(int i = 0; i < 10; i++) |
---|
| 1391 | miss[i].services = new Service[20]; |
---|
| 1392 | LoadConfiguration(_SML_Config, miss); |
---|
[163] | 1393 | } |
---|
| 1394 | |
---|
[278] | 1395 | /* CALLED BY: constructor |
---|
| 1396 | * INPUTS: |SML_Config| Address (either relitive or full) of the XML file containing mission data |
---|
| 1397 | * |mList| Mission array to be modified |
---|
| 1398 | * OUTPUTS: <none> |
---|
| 1399 | * |
---|
| 1400 | * DESCRIPTION: IMPORTANT - See formatting instructions for correct parsing of data |
---|
| 1401 | * Can currently handle 3 inputs and 3 outputs per service, but easily expandable |
---|
| 1402 | * Also, can handle one layer of nested conditional statements, but could |
---|
| 1403 | * be expanded to meet additional needs. Only support now is for straight bool flags, |
---|
| 1404 | * but support could be added for more complex conditionals later. |
---|
| 1405 | * |
---|
| 1406 | * Components assigned to mission during "set active mission" stage so that |
---|
| 1407 | * components can still continue to register after the configuration is loaded |
---|
| 1408 | */ |
---|
| 1409 | void |
---|
| 1410 | ServiceManagementLayer::LoadConfiguration(const char *SML_Config, Mission* &mList) |
---|
| 1411 | { |
---|
| 1412 | TiXmlElement *pMission; |
---|
| 1413 | TiXmlElement *pService; |
---|
[287] | 1414 | TiXmlElement *pChild0, *pChild1, *pChild2, *pChild3, *pChild4; |
---|
[278] | 1415 | TiXmlHandle hRoot(0); |
---|
| 1416 | //printf("ServiceManagementLayer:: Loading Configuration.\n"); |
---|
| 1417 | TiXmlDocument doc("."); |
---|
| 1418 | doc.LoadFile(SML_Config); |
---|
| 1419 | bool loadOkay = doc.LoadFile(); |
---|
| 1420 | if(!loadOkay) |
---|
| 1421 | printf("Loading SML configuration failed: %s\n", SML_Config); |
---|
[163] | 1422 | |
---|
[278] | 1423 | TiXmlHandle hDoc(&doc); |
---|
| 1424 | |
---|
| 1425 | pMission = hDoc.FirstChildElement().Element(); |
---|
| 1426 | |
---|
| 1427 | if(!pMission) |
---|
| 1428 | printf("No valid root!"); |
---|
| 1429 | |
---|
| 1430 | hRoot = TiXmlHandle(pMission); |
---|
| 1431 | pService = pMission->FirstChildElement(); |
---|
| 1432 | int32_t mission_num = 0; |
---|
| 1433 | //Iterate through the missions |
---|
| 1434 | for(pChild0 = pMission->FirstChildElement(); pChild0 ; \ |
---|
| 1435 | pChild0 = pChild0->NextSiblingElement()) |
---|
| 1436 | { |
---|
| 1437 | int32_t service_num = 0; |
---|
[287] | 1438 | uint16_t cond_array[] = {0, 0, 0}; |
---|
[278] | 1439 | //printf("mission_num = %d\n", mission_num); |
---|
[287] | 1440 | //memset(cond_array, 0, 2); |
---|
[278] | 1441 | |
---|
| 1442 | for(pChild1 = pChild0->FirstChildElement(); pChild1; \ |
---|
| 1443 | pChild1 = pChild1->NextSiblingElement()) |
---|
| 1444 | { |
---|
| 1445 | int32_t conditional_0 = service_num; |
---|
| 1446 | for(pChild2 = pChild1->FirstChildElement(); \ |
---|
| 1447 | pChild2; pChild2 = pChild2->NextSiblingElement()) |
---|
| 1448 | { |
---|
| 1449 | service_num++; |
---|
| 1450 | int32_t conditional_1 = service_num; |
---|
| 1451 | for(pChild3 = pChild2->FirstChildElement(); \ |
---|
| 1452 | pChild3; pChild3 = pChild3 ->NextSiblingElement()) |
---|
| 1453 | { |
---|
| 1454 | service_num++; |
---|
[287] | 1455 | int32_t conditional_2 = service_num; |
---|
| 1456 | for(pChild4 = pChild3->FirstChildElement(); \ |
---|
| 1457 | pChild4; pChild4 = pChild4 ->NextSiblingElement()) |
---|
| 1458 | { |
---|
| 1459 | service_num++; |
---|
| 1460 | mList[mission_num].services[service_num].name = pChild4->Attribute("name"); |
---|
| 1461 | if(pChild4->Attribute("input1")) |
---|
| 1462 | mList[mission_num].services[service_num].input[0] = pChild4->Attribute("input1"); |
---|
| 1463 | if(pChild4->Attribute("input2")) |
---|
| 1464 | mList[mission_num].services[service_num].input[1] = pChild4->Attribute("input2"); |
---|
| 1465 | if(pChild4->Attribute("input3")) |
---|
| 1466 | mList[mission_num].services[service_num].input[2] = pChild4->Attribute("input3"); |
---|
| 1467 | if(pChild4->Attribute("input4")) |
---|
| 1468 | mList[mission_num].services[service_num].input[3] = pChild4->Attribute("input4"); |
---|
| 1469 | if(pChild4->Attribute("input5")) |
---|
| 1470 | mList[mission_num].services[service_num].input[4] = pChild4->Attribute("input5"); |
---|
| 1471 | if(pChild4->Attribute("output1")) |
---|
| 1472 | mList[mission_num].services[service_num].output[0] = pChild4->Attribute("output1"); |
---|
| 1473 | if(pChild4->Attribute("output2")) |
---|
| 1474 | mList[mission_num].services[service_num].output[1] = pChild4->Attribute("output2"); |
---|
| 1475 | if(pChild4->Attribute("output3")) |
---|
| 1476 | mList[mission_num].services[service_num].output[2] = pChild4->Attribute("output3"); |
---|
| 1477 | if(pChild4->Attribute("output4")) |
---|
| 1478 | mList[mission_num].services[service_num].output[3] = pChild4->Attribute("output4"); |
---|
| 1479 | if(pChild4->Attribute("output5")) |
---|
| 1480 | mList[mission_num].services[service_num].output[4] = pChild4->Attribute("output5"); |
---|
| 1481 | cond_array[2]++; |
---|
| 1482 | } |
---|
| 1483 | if(!strcmp(pChild3->Value(), "shell")) { |
---|
| 1484 | mList[mission_num].services[conditional_2].name = pChild3->Value(); |
---|
| 1485 | mList[mission_num].services[conditional_2].output[0] = pChild3->Attribute("output1"); |
---|
| 1486 | //printf("2shell detected\n"); |
---|
| 1487 | } |
---|
| 1488 | else if(conditional_2 != service_num){ |
---|
| 1489 | mList[mission_num].services[conditional_2].name = pChild3->Value(); |
---|
| 1490 | if(pChild3->Attribute("input_t")) |
---|
| 1491 | mList[mission_num].services[conditional_2].input[0] = pChild3->Attribute("input_t"); |
---|
| 1492 | if(pChild3->Attribute("input_f")) |
---|
| 1493 | mList[mission_num].services[conditional_2].input[1] = pChild3->Attribute("input_f"); |
---|
| 1494 | } |
---|
| 1495 | else{ |
---|
| 1496 | mList[mission_num].services[service_num].name = pChild3->Attribute("name"); |
---|
| 1497 | if(pChild3->Attribute("input1")) |
---|
| 1498 | mList[mission_num].services[service_num].input[0] = pChild3->Attribute("input1"); |
---|
| 1499 | if(pChild3->Attribute("input2")) |
---|
| 1500 | mList[mission_num].services[service_num].input[1] = pChild3->Attribute("input2"); |
---|
| 1501 | if(pChild3->Attribute("input3")) |
---|
| 1502 | mList[mission_num].services[service_num].input[2] = pChild3->Attribute("input3"); |
---|
| 1503 | if(pChild3->Attribute("input4")) |
---|
| 1504 | mList[mission_num].services[service_num].input[3] = pChild3->Attribute("input4"); |
---|
| 1505 | if(pChild3->Attribute("input5")) |
---|
| 1506 | mList[mission_num].services[service_num].input[4] = pChild3->Attribute("input5"); |
---|
| 1507 | if(pChild3->Attribute("output1")) |
---|
| 1508 | mList[mission_num].services[service_num].output[0] = pChild3->Attribute("output1"); |
---|
| 1509 | if(pChild3->Attribute("output2")) |
---|
| 1510 | mList[mission_num].services[service_num].output[1] = pChild3->Attribute("output2"); |
---|
| 1511 | if(pChild3->Attribute("output3")) |
---|
| 1512 | mList[mission_num].services[service_num].output[2] = pChild3->Attribute("output3"); |
---|
| 1513 | if(pChild3->Attribute("output4")) |
---|
| 1514 | mList[mission_num].services[service_num].output[3] = pChild3->Attribute("output4"); |
---|
| 1515 | if(pChild3->Attribute("output5")) |
---|
| 1516 | mList[mission_num].services[service_num].output[4] = pChild3->Attribute("output5"); |
---|
| 1517 | } |
---|
| 1518 | mList[mission_num].services[conditional_2].num_conds = cond_array[2]; |
---|
| 1519 | cond_array[1]+=cond_array[2]+1; |
---|
| 1520 | //printf("cond_array[2]%d\n", cond_array[2]); |
---|
| 1521 | cond_array[2] = 0; |
---|
| 1522 | |
---|
| 1523 | |
---|
[278] | 1524 | } |
---|
[287] | 1525 | //printf("here\n"); |
---|
| 1526 | if(!strcmp(pChild2->Value(), "shell")) { |
---|
[278] | 1527 | mList[mission_num].services[conditional_1].name = pChild2->Value(); |
---|
[287] | 1528 | mList[mission_num].services[conditional_1].output[0] = pChild2->Attribute("output1"); |
---|
| 1529 | //printf("1shell detected\n"); |
---|
| 1530 | } |
---|
| 1531 | else if(conditional_1 != service_num){ |
---|
| 1532 | mList[mission_num].services[conditional_1].name = pChild2->Value(); |
---|
[278] | 1533 | if(pChild2->Attribute("input_t")) |
---|
| 1534 | mList[mission_num].services[conditional_1].input[0] = pChild2->Attribute("input_t"); |
---|
| 1535 | if(pChild2->Attribute("input_f")) |
---|
| 1536 | mList[mission_num].services[conditional_1].input[1] = pChild2->Attribute("input_f"); |
---|
| 1537 | } |
---|
| 1538 | else{ |
---|
[287] | 1539 | mList[mission_num].services[service_num].name = pChild2->Attribute("name"); |
---|
[278] | 1540 | if(pChild2->Attribute("input1")) |
---|
| 1541 | mList[mission_num].services[service_num].input[0] = pChild2->Attribute("input1"); |
---|
| 1542 | if(pChild2->Attribute("input2")) |
---|
| 1543 | mList[mission_num].services[service_num].input[1] = pChild2->Attribute("input2"); |
---|
| 1544 | if(pChild2->Attribute("input3")) |
---|
| 1545 | mList[mission_num].services[service_num].input[2] = pChild2->Attribute("input3"); |
---|
[287] | 1546 | if(pChild2->Attribute("input4")) |
---|
| 1547 | mList[mission_num].services[service_num].input[3] = pChild2->Attribute("input4"); |
---|
| 1548 | if(pChild2->Attribute("input5")) |
---|
| 1549 | mList[mission_num].services[service_num].input[4] = pChild2->Attribute("input5"); |
---|
[278] | 1550 | if(pChild2->Attribute("output1")) |
---|
| 1551 | mList[mission_num].services[service_num].output[0] = pChild2->Attribute("output1"); |
---|
| 1552 | if(pChild2->Attribute("output2")) |
---|
| 1553 | mList[mission_num].services[service_num].output[1] = pChild2->Attribute("output2"); |
---|
| 1554 | if(pChild2->Attribute("output3")) |
---|
| 1555 | mList[mission_num].services[service_num].output[2] = pChild2->Attribute("output3"); |
---|
[287] | 1556 | if(pChild2->Attribute("output4")) |
---|
| 1557 | mList[mission_num].services[service_num].output[3] = pChild2->Attribute("output4"); |
---|
| 1558 | if(pChild2->Attribute("output5")) |
---|
| 1559 | mList[mission_num].services[service_num].output[4] = pChild2->Attribute("output5"); |
---|
[278] | 1560 | } |
---|
| 1561 | |
---|
| 1562 | mList[mission_num].services[conditional_1].num_conds = cond_array[1]; |
---|
[287] | 1563 | cond_array[0]+=cond_array[1]+1; |
---|
| 1564 | //printf("cond_array[1]%d\n", cond_array[1]); |
---|
[278] | 1565 | cond_array[1] = 0; |
---|
| 1566 | } |
---|
[287] | 1567 | |
---|
| 1568 | if(!strcmp(pChild1->Value(), "shell")) { |
---|
| 1569 | //printf("shell detected\n"); |
---|
| 1570 | mList[mission_num].services[conditional_0].name = pChild1->Value(); |
---|
| 1571 | mList[mission_num].services[conditional_0].output[0] = pChild1->Attribute("output1"); |
---|
| 1572 | } |
---|
| 1573 | else if(conditional_0 != service_num){ |
---|
[278] | 1574 | mList[mission_num].services[conditional_0].name = pChild1->Value(); |
---|
| 1575 | if(pChild1->Attribute("input_t")) |
---|
| 1576 | mList[mission_num].services[conditional_0].input[0] = pChild1->Attribute("input_t"); |
---|
| 1577 | if(pChild1->Attribute("input_f")) |
---|
| 1578 | mList[mission_num].services[conditional_0].input[1] = pChild1->Attribute("input_f"); |
---|
| 1579 | //printf("---input_t=%s\n", mList[mission_num].services[conditional_0].input[0].c_str()); |
---|
| 1580 | } |
---|
| 1581 | else{ |
---|
| 1582 | mList[mission_num].services[conditional_0].name = pChild1->Attribute("name"); |
---|
[287] | 1583 | //printf("name=%s\n", mList[mission_num].services[conditional_0].name.c_str()); |
---|
[278] | 1584 | if(pChild1->Attribute("input1")) |
---|
| 1585 | mList[mission_num].services[service_num].input[0] = pChild1->Attribute("input1"); |
---|
| 1586 | if(pChild1->Attribute("input2")) |
---|
| 1587 | mList[mission_num].services[service_num].input[1] = pChild1->Attribute("input2"); |
---|
| 1588 | if(pChild1->Attribute("input3")) |
---|
| 1589 | mList[mission_num].services[service_num].input[2] = pChild1->Attribute("input3"); |
---|
[287] | 1590 | if(pChild1->Attribute("input4")) |
---|
| 1591 | mList[mission_num].services[service_num].input[3] = pChild1->Attribute("input4"); |
---|
| 1592 | if(pChild1->Attribute("input5")) |
---|
| 1593 | mList[mission_num].services[service_num].input[4] = pChild1->Attribute("input5"); |
---|
[278] | 1594 | if(pChild1->Attribute("output1")) |
---|
| 1595 | mList[mission_num].services[service_num].output[0] = pChild1->Attribute("output1"); |
---|
| 1596 | if(pChild1->Attribute("output2")) |
---|
| 1597 | mList[mission_num].services[service_num].output[1] = pChild1->Attribute("output2"); |
---|
| 1598 | if(pChild1->Attribute("output3")) |
---|
| 1599 | mList[mission_num].services[service_num].output[2] = pChild1->Attribute("output3"); |
---|
[287] | 1600 | if(pChild1->Attribute("output4")) |
---|
| 1601 | mList[mission_num].services[service_num].output[3] = pChild1->Attribute("output4"); |
---|
| 1602 | if(pChild1->Attribute("output5")) |
---|
| 1603 | mList[mission_num].services[service_num].output[4] = pChild1->Attribute("output4"); |
---|
[278] | 1604 | } |
---|
| 1605 | |
---|
| 1606 | mList[mission_num].services[conditional_0].num_conds = cond_array[0]; |
---|
| 1607 | cond_array[0] = 0; |
---|
| 1608 | service_num++; |
---|
| 1609 | } |
---|
| 1610 | //for(int i = 0; i < service_num; i++) |
---|
[287] | 1611 | //printf("ttt%d\n", mList[mission_num].services[i].num_conds); |
---|
| 1612 | |
---|
[278] | 1613 | mList[mission_num].numServices = service_num; |
---|
| 1614 | mList[mission_num].name = pChild0->Attribute("name"); |
---|
| 1615 | mList[mission_num].missionID = atoi(pChild0->Attribute("id")); |
---|
| 1616 | if(pChild0->Attribute("input1")) |
---|
| 1617 | mList[mission_num].input[0] = pChild0->Attribute("input1"); |
---|
| 1618 | if(pChild0->Attribute("input2")) |
---|
| 1619 | mList[mission_num].input[1] = pChild0->Attribute("input2"); |
---|
| 1620 | if(pChild0->Attribute("input3")) |
---|
| 1621 | mList[mission_num].input[2] = pChild0->Attribute("input3"); |
---|
[287] | 1622 | if(pChild0->Attribute("input4")) |
---|
| 1623 | mList[mission_num].input[3] = pChild0->Attribute("input4"); |
---|
| 1624 | if(pChild0->Attribute("input5")) |
---|
| 1625 | mList[mission_num].input[4] = pChild0->Attribute("input4"); |
---|
[278] | 1626 | if(pChild0->Attribute("output1")) |
---|
| 1627 | mList[mission_num].output[0] = pChild0->Attribute("output1"); |
---|
| 1628 | if(pChild0->Attribute("output2")) |
---|
| 1629 | mList[mission_num].output[1] = pChild0->Attribute("output2"); |
---|
| 1630 | if(pChild0->Attribute("output3")) |
---|
| 1631 | mList[mission_num].output[2] = pChild0->Attribute("output3"); |
---|
[287] | 1632 | if(pChild0->Attribute("output4")) |
---|
| 1633 | mList[mission_num].output[3] = pChild0->Attribute("output4"); |
---|
| 1634 | if(pChild0->Attribute("output5")) |
---|
| 1635 | mList[mission_num].output[4] = pChild0->Attribute("output5"); |
---|
[278] | 1636 | //printf("mis, input1=%s, output1=%s\n", mList[mission_num].input[0].c_str(), mList[mission_num].output[0].c_str()); |
---|
[287] | 1637 | //printf("NUMSERVICES = %d\n", mList[mission_num].numServices); |
---|
[278] | 1638 | mission_num++; |
---|
| 1639 | } |
---|
| 1640 | } |
---|
| 1641 | |
---|
| 1642 | /* CALLED BY: MessageHandler |
---|
| 1643 | * INPUTS: |ID| The ID number of the engine to be registered |
---|
| 1644 | * OUTPUTS: <none> |
---|
| 1645 | * |
---|
| 1646 | * DESCRIPTION: Sends a registration message onto the shell and sends the ACK back to the component |
---|
| 1647 | */ |
---|
| 1648 | void |
---|
| 1649 | ServiceManagementLayer::RegisterCognitiveEngine(int32_t ID) |
---|
| 1650 | { |
---|
[282] | 1651 | //LOG("SML::regcogeng"); |
---|
[278] | 1652 | SendMessage(shellSocketFD, "register_engine_cognitive"); |
---|
[282] | 1653 | |
---|
| 1654 | // printf("SSFD = %d\n", shellSocketFD); |
---|
[278] | 1655 | LOG("ServiceManagementLayer:: CE registration message forwarded to shell.\n"); |
---|
| 1656 | char buffer[256]; |
---|
| 1657 | memset(buffer, 0, 256); |
---|
| 1658 | ReadMessage(shellSocketFD, buffer); |
---|
[282] | 1659 | //printf("ServiceManagementLayer::buffer = %s\n", buffer); |
---|
[278] | 1660 | SendMessage(CE_List[ID].FD, buffer); |
---|
| 1661 | |
---|
[279] | 1662 | TransferRadioConfiguration(ID); |
---|
[278] | 1663 | memset(buffer, 0, 256); |
---|
[282] | 1664 | //printf("start trans exp\n"); |
---|
[278] | 1665 | TransferExperience(ID); |
---|
[279] | 1666 | memset(buffer, 0, 256); |
---|
[278] | 1667 | numberOfCognitiveEngines++; |
---|
| 1668 | CE_Present = true; |
---|
[282] | 1669 | //printf("done registering CE!\n"); |
---|
[278] | 1670 | } |
---|
| 1671 | |
---|
| 1672 | /* CALLED BY: MessageHandler |
---|
| 1673 | * INPUTS: |ID| The ID number of the engine to have it's services deregistered |
---|
| 1674 | * OUTPUTS: <none> |
---|
| 1675 | * |
---|
| 1676 | * DESCRIPTION: Deletes individual services from the DB |
---|
| 1677 | * NOTE THAT this function only needs to be called if service deregistration is going |
---|
| 1678 | * to be done at a different time than component deregistration; it is handled |
---|
| 1679 | * more efficiently and directly during that deregistration process. |
---|
| 1680 | */ |
---|
[163] | 1681 | void |
---|
[278] | 1682 | ServiceManagementLayer::DeregisterServices(int32_t ID) |
---|
[163] | 1683 | { |
---|
[278] | 1684 | char buffer[256]; |
---|
| 1685 | memset(buffer, 0, 256); |
---|
| 1686 | ReadMessage(CE_List[ID].FD, buffer); |
---|
| 1687 | strcpy(_services_DB->command, "DELETE FROM "); |
---|
| 1688 | strcat(_services_DB->command, _services_DB->tablename); |
---|
| 1689 | strcat(_services_DB->command, " WHERE ID_Num IN (SELECT"); |
---|
| 1690 | sprintf(_services_DB->command, " %s %d",_services_DB->command, ID); |
---|
| 1691 | strcat(_services_DB->command, " FROM "); |
---|
| 1692 | strcat(_services_DB->command, _services_DB->tablename); |
---|
| 1693 | strcat(_services_DB->command, " WHERE Service_Name"); |
---|
| 1694 | strcat(_services_DB->command, "=="); |
---|
| 1695 | sprintf(_services_DB->command, "%s'%s');", _services_DB->command, buffer); |
---|
| 1696 | char *errorMsg; |
---|
| 1697 | int rc = sqlite3_exec(_services_DB->db, _services_DB->command, callback, 0, &errorMsg); |
---|
| 1698 | if( rc!=SQLITE_OK && rc!=101 ) |
---|
| 1699 | fprintf(stderr, "SQL error: %s\n", errorMsg); |
---|
[163] | 1700 | } |
---|
| 1701 | |
---|
[278] | 1702 | /* CALLED BY: MessageHandler |
---|
| 1703 | * INPUTS: |ID| The ID number of the engine to have it's services deregistered |
---|
| 1704 | * OUTPUTS: <none> |
---|
| 1705 | * |
---|
| 1706 | * DESCRIPTION: Deletes the contact info for the cognitive engine, forwards a deregistration message to the shell |
---|
| 1707 | * Also, deletes the services from the DB |
---|
| 1708 | */ |
---|
| 1709 | void |
---|
| 1710 | ServiceManagementLayer::DeregisterCognitiveEngine(int32_t ID) |
---|
| 1711 | { |
---|
| 1712 | LOG("ServiceManagementLayer:: CE deregistration message forwarded to shell.\n"); |
---|
| 1713 | |
---|
| 1714 | numberOfCognitiveEngines--; |
---|
| 1715 | if(numberOfCognitiveEngines == 0) |
---|
| 1716 | CE_Present = false; |
---|
| 1717 | |
---|
| 1718 | SendMessage(shellSocketFD, "deregister_engine_cognitive"); |
---|
| 1719 | char buffer[256]; |
---|
| 1720 | memset(buffer, 0, 256); |
---|
| 1721 | ReadMessage(shellSocketFD, buffer); |
---|
| 1722 | SendMessage(CE_List[ID].FD, buffer); |
---|
| 1723 | if(strcmp("deregister_ack", buffer) != 0) { |
---|
| 1724 | ERROR(1, "SML:: Failed to close CE socket\n"); |
---|
| 1725 | } |
---|
| 1726 | |
---|
| 1727 | //Deregister the services |
---|
| 1728 | strcpy(_services_DB->command, "DELETE FROM "); |
---|
| 1729 | strcat(_services_DB->command, _services_DB->tablename); |
---|
| 1730 | strcat(_services_DB->command, " WHERE "); |
---|
| 1731 | strcat(_services_DB->command, "ID_Num"); |
---|
| 1732 | strcat(_services_DB->command, "=="); |
---|
| 1733 | sprintf(_services_DB->command, "%s%d;", _services_DB->command, ID); |
---|
| 1734 | char *errorMsg; |
---|
| 1735 | int rc = sqlite3_exec(_services_DB->db, _services_DB->command, callback, 0, &errorMsg); |
---|
| 1736 | if( rc!=SQLITE_OK && rc!=101 ) |
---|
| 1737 | fprintf(stderr, "SQL error: %s\n", errorMsg); |
---|
| 1738 | |
---|
| 1739 | |
---|
| 1740 | CE_List[ID].FD = -1; |
---|
| 1741 | CE_List[ID].ID_num = -1; |
---|
| 1742 | |
---|
| 1743 | LOG("Cognitive Radio Shell:: CE Socket closed for engine #%d.\n", ID); |
---|
| 1744 | } |
---|
| 1745 | |
---|
| 1746 | |
---|
| 1747 | /* CALLED BY: test class |
---|
| 1748 | * INPUTS: <none> |
---|
| 1749 | * OUTPUTS: <none> |
---|
| 1750 | * |
---|
| 1751 | * DESCRIPTION: Sets up a server socket and listens for communication on either that or the shell socket |
---|
| 1752 | */ |
---|
| 1753 | void |
---|
| 1754 | ServiceManagementLayer::StartSMLServer() |
---|
| 1755 | { |
---|
[282] | 1756 | //printf("Ready for CE Signal! (registration done)\n"); |
---|
[278] | 1757 | struct timeval selTimeout; |
---|
| 1758 | int32_t running = 1; |
---|
| 1759 | int32_t port, rc, new_sd = 1; |
---|
| 1760 | int32_t desc_ready = 1; |
---|
| 1761 | //If there is, call the MessageHandler with the Shell_Msg code of -1 |
---|
| 1762 | fd_set sockSet, shellSet; |
---|
| 1763 | |
---|
[285] | 1764 | cogEngSrv = CreateTCPServerSocket(SMLport); |
---|
[278] | 1765 | int32_t maxDescriptor = cogEngSrv; |
---|
| 1766 | |
---|
| 1767 | if(InitializeTCPServerPort(cogEngSrv) == -1) |
---|
| 1768 | ERROR(1,"Error initializing primary port\n"); |
---|
| 1769 | |
---|
| 1770 | int i = 10000000; //TODO change to "running" if endpoint can be reached |
---|
[282] | 1771 | while (running) { |
---|
[278] | 1772 | i--; |
---|
| 1773 | /* Zero socket descriptor vector and set for server sockets */ |
---|
| 1774 | /* This must be reset every time select() is called */ |
---|
| 1775 | FD_ZERO(&sockSet); |
---|
| 1776 | FD_SET(cogEngSrv, &sockSet); |
---|
[287] | 1777 | for(uint16_t k = 0; k < Current_ID; k++){ |
---|
[278] | 1778 | if(CE_List[k].ID_num != -1) |
---|
| 1779 | FD_SET(CE_List[k].FD, &sockSet); |
---|
| 1780 | } |
---|
| 1781 | //printf("k=%d, CID=%d\n", k, CE_List[k].FD); |
---|
| 1782 | |
---|
| 1783 | /* Timeout specification */ |
---|
| 1784 | /* This must be reset every time select() is called */ |
---|
| 1785 | selTimeout.tv_sec = 0; /* timeout (secs.) */ |
---|
| 1786 | selTimeout.tv_usec = 0; /* 0 microseconds */ |
---|
| 1787 | //Changed both to zero so that select will check messages from the shell instead of blocking |
---|
| 1788 | //when there is no command from the CE's to be processed |
---|
| 1789 | |
---|
| 1790 | //Check if there is a message on the socket waiting to be read |
---|
| 1791 | rc = select(maxDescriptor + 1, &sockSet, NULL, NULL, &selTimeout); |
---|
| 1792 | //printf("rc=%d\n", rc); |
---|
| 1793 | if(rc == 0){ |
---|
| 1794 | //LOG("No echo requests for %i secs...Server still alive\n", timeout); |
---|
| 1795 | |
---|
| 1796 | FD_ZERO(&shellSet); |
---|
| 1797 | FD_SET(shellSocketFD, &shellSet); |
---|
| 1798 | selTimeout.tv_sec = 0; |
---|
| 1799 | selTimeout.tv_usec = 0; |
---|
| 1800 | //Check if there is a message on the shell socket ready to be processed |
---|
[287] | 1801 | select(shellSocketFD + 1, &shellSet, NULL, NULL, &selTimeout); |
---|
[278] | 1802 | //printf("rc2=%d\n", rc2); |
---|
| 1803 | //If there is, call the MessageHandler with the Shell_Msg code of -1 |
---|
| 1804 | if(FD_ISSET(shellSocketFD, &shellSet)){ |
---|
| 1805 | //printf("shell_msg, %d\n", rc2); |
---|
| 1806 | MessageHandler(-1);} |
---|
| 1807 | } |
---|
| 1808 | else { |
---|
| 1809 | desc_ready = rc; |
---|
| 1810 | for(port = 0; port <= maxDescriptor && desc_ready > 0; port++) { |
---|
| 1811 | if(FD_ISSET(port, &sockSet)) { |
---|
| 1812 | desc_ready -= 1; |
---|
| 1813 | |
---|
| 1814 | //Check if request is new or on an existing open descriptor |
---|
| 1815 | if(port == cogEngSrv) { |
---|
| 1816 | //If new, assign it a descriptor and give it an ID |
---|
| 1817 | new_sd = AcceptTCPConnection(port); |
---|
| 1818 | |
---|
| 1819 | if(new_sd < 0) |
---|
| 1820 | break; |
---|
| 1821 | |
---|
| 1822 | CE_List[Current_ID].FD = new_sd; |
---|
| 1823 | CE_List[Current_ID].ID_num = Current_ID; |
---|
| 1824 | MessageHandler(Current_ID); |
---|
| 1825 | Current_ID++; |
---|
| 1826 | |
---|
| 1827 | FD_SET(new_sd,&sockSet); |
---|
| 1828 | if(new_sd > maxDescriptor) |
---|
| 1829 | maxDescriptor = new_sd; |
---|
| 1830 | } |
---|
| 1831 | else { |
---|
| 1832 | //If old, figure out which ID it coresponds to and handle it accordingly |
---|
[287] | 1833 | for(uint16_t z = 0; z < Current_ID; z++) |
---|
[278] | 1834 | { |
---|
| 1835 | if(CE_List[z].FD == port){ |
---|
| 1836 | MessageHandler(z);} |
---|
| 1837 | } |
---|
| 1838 | } |
---|
| 1839 | } |
---|
| 1840 | } |
---|
| 1841 | } |
---|
| 1842 | } |
---|
| 1843 | |
---|
| 1844 | /* Close sockets */ |
---|
| 1845 | close(cogEngSrv); |
---|
| 1846 | |
---|
| 1847 | //delete &cogEngSrv; |
---|
| 1848 | return; |
---|
| 1849 | } |
---|
| 1850 | |
---|
| 1851 | |
---|
| 1852 | |
---|
| 1853 | |
---|
| 1854 | /*TiXmlElement *pMission; |
---|
| 1855 | TiXmlElement *pService; |
---|
| 1856 | TiXmlElement *pChild0, *pChild1, *pChild2, *pChild3; |
---|
| 1857 | TiXmlHandle hRoot(0); |
---|
| 1858 | //printf("ServiceManagementLayer:: Loading Configuration.\n"); |
---|
| 1859 | TiXmlDocument doc("."); |
---|
| 1860 | doc.LoadFile(SML_Config); |
---|
| 1861 | bool loadOkay = doc.LoadFile(); |
---|
| 1862 | if(!loadOkay) |
---|
| 1863 | printf("Loading SML configuration failed: %s\n", SML_Config); |
---|
| 1864 | |
---|
| 1865 | TiXmlHandle hDoc(&doc); |
---|
| 1866 | |
---|
| 1867 | pMission = hDoc.FirstChildElement().Element(); |
---|
| 1868 | |
---|
| 1869 | if(!pMission) |
---|
| 1870 | printf("No valid root!"); |
---|
| 1871 | |
---|
| 1872 | hRoot = TiXmlHandle(pMission); |
---|
| 1873 | pService = pMission->FirstChildElement(); |
---|
| 1874 | int32_t mission_num = 0; |
---|
| 1875 | //Iterate through the missions |
---|
| 1876 | for(pChild0 = pMission->FirstChildElement(); pChild0 ; \ |
---|
| 1877 | pChild0 = pChild0->NextSiblingElement()) |
---|
| 1878 | { |
---|
| 1879 | int32_t service_num = 0; |
---|
| 1880 | uint16_t cond_array[] = {0, 0}; |
---|
| 1881 | //printf("mission_num = %d\n", mission_num); |
---|
| 1882 | memset(cond_array, 0, 2); |
---|
| 1883 | |
---|
| 1884 | for(pChild1 = pChild0->FirstChildElement(); pChild1; \ |
---|
| 1885 | pChild1 = pChild1->NextSiblingElement()) |
---|
| 1886 | { |
---|
| 1887 | int32_t conditional_0 = service_num; |
---|
| 1888 | for(pChild2 = pChild1->FirstChildElement(); \ |
---|
| 1889 | pChild2; pChild2 = pChild2->NextSiblingElement()) |
---|
| 1890 | { |
---|
| 1891 | service_num++; |
---|
| 1892 | int32_t conditional_1 = service_num; |
---|
| 1893 | for(pChild3 = pChild2->FirstChildElement(); \ |
---|
| 1894 | pChild3; pChild3 = pChild3 ->NextSiblingElement()) |
---|
| 1895 | { |
---|
| 1896 | service_num++; |
---|
| 1897 | mList[mission_num].services[service_num].name = pChild3->Attribute("name"); |
---|
| 1898 | if(pChild3->Attribute("input1")) |
---|
| 1899 | mList[mission_num].services[service_num].input[0] = pChild3->Attribute("input1"); |
---|
| 1900 | if(pChild3->Attribute("input2")) |
---|
| 1901 | mList[mission_num].services[service_num].input[1] = pChild3->Attribute("input2"); |
---|
| 1902 | if(pChild3->Attribute("input3")) |
---|
| 1903 | mList[mission_num].services[service_num].input[2] = pChild3->Attribute("input3"); |
---|
| 1904 | if(pChild3->Attribute("output1")) |
---|
| 1905 | mList[mission_num].services[service_num].output[0] = pChild3->Attribute("output1"); |
---|
| 1906 | if(pChild3->Attribute("output2")) |
---|
| 1907 | mList[mission_num].services[service_num].output[1] = pChild3->Attribute("output2"); |
---|
| 1908 | if(pChild3->Attribute("output3")) |
---|
| 1909 | mList[mission_num].services[service_num].output[2] = pChild3->Attribute("output3"); |
---|
| 1910 | cond_array[1]++; |
---|
| 1911 | } |
---|
| 1912 | |
---|
| 1913 | if(conditional_1 != service_num){ |
---|
| 1914 | mList[mission_num].services[conditional_1].name = pChild2->Value(); |
---|
| 1915 | if(pChild2->Attribute("input_t")) |
---|
| 1916 | mList[mission_num].services[conditional_1].input[0] = pChild2->Attribute("input_t"); |
---|
| 1917 | if(pChild2->Attribute("input_f")) |
---|
| 1918 | mList[mission_num].services[conditional_1].input[1] = pChild2->Attribute("input_f"); |
---|
| 1919 | } |
---|
| 1920 | else{ |
---|
| 1921 | mList[mission_num].services[service_num].name = pChild2->Attribute("name"); |
---|
| 1922 | if(pChild2->Attribute("input1")) |
---|
| 1923 | mList[mission_num].services[service_num].input[0] = pChild2->Attribute("input1"); |
---|
| 1924 | if(pChild2->Attribute("input2")) |
---|
| 1925 | mList[mission_num].services[service_num].input[1] = pChild2->Attribute("input2"); |
---|
| 1926 | if(pChild2->Attribute("input3")) |
---|
| 1927 | mList[mission_num].services[service_num].input[2] = pChild2->Attribute("input3"); |
---|
| 1928 | if(pChild2->Attribute("output1")) |
---|
| 1929 | mList[mission_num].services[service_num].output[0] = pChild2->Attribute("output1"); |
---|
| 1930 | if(pChild2->Attribute("output2")) |
---|
| 1931 | mList[mission_num].services[service_num].output[1] = pChild2->Attribute("output2"); |
---|
| 1932 | if(pChild2->Attribute("output3")) |
---|
| 1933 | mList[mission_num].services[service_num].output[2] = pChild2->Attribute("output3"); |
---|
| 1934 | } |
---|
| 1935 | |
---|
| 1936 | mList[mission_num].services[conditional_1].num_conds = cond_array[1]; |
---|
| 1937 | cond_array[1] = 0; |
---|
| 1938 | cond_array[0]++; |
---|
| 1939 | } |
---|
| 1940 | if(conditional_0 != service_num){ |
---|
| 1941 | mList[mission_num].services[conditional_0].name = pChild1->Value(); |
---|
| 1942 | if(pChild1->Attribute("input_t")) |
---|
| 1943 | mList[mission_num].services[conditional_0].input[0] = pChild1->Attribute("input_t"); |
---|
| 1944 | if(pChild1->Attribute("input_f")) |
---|
| 1945 | mList[mission_num].services[conditional_0].input[1] = pChild1->Attribute("input_f"); |
---|
| 1946 | printf("if detected %s, %s\n", pChild1->Attribute("input_f"), pChild1->Attribute("input_t")); |
---|
| 1947 | } |
---|
| 1948 | else{ |
---|
| 1949 | mList[mission_num].services[service_num].name = pChild1->Attribute("name"); |
---|
| 1950 | if(pChild1->Attribute("input1")) |
---|
| 1951 | mList[mission_num].services[service_num].input[0] = pChild1->Attribute("input1"); |
---|
| 1952 | if(pChild1->Attribute("input2")) |
---|
| 1953 | mList[mission_num].services[service_num].input[1] = pChild1->Attribute("input2"); |
---|
| 1954 | if(pChild1->Attribute("input3")) |
---|
| 1955 | mList[mission_num].services[service_num].input[2] = pChild1->Attribute("input3"); |
---|
| 1956 | if(pChild1->Attribute("output1")) |
---|
| 1957 | mList[mission_num].services[service_num].output[0] = pChild1->Attribute("output1"); |
---|
| 1958 | if(pChild1->Attribute("output2")) |
---|
| 1959 | mList[mission_num].services[service_num].output[1] = pChild1->Attribute("output2"); |
---|
| 1960 | if(pChild1->Attribute("output3")) |
---|
| 1961 | mList[mission_num].services[service_num].output[2] = pChild1->Attribute("output3"); |
---|
| 1962 | } |
---|
| 1963 | |
---|
| 1964 | mList[mission_num].services[conditional_0].num_conds = cond_array[0]; |
---|
| 1965 | //printf("hello\n"); |
---|
| 1966 | |
---|
| 1967 | cond_array[0] = 0; |
---|
| 1968 | service_num++; |
---|
| 1969 | } |
---|
| 1970 | for(int i = 0; i < service_num; i++) |
---|
| 1971 | printf("input1=%s, output1=%s\n", mList[mission_num].services[i].input[0].c_str(), mList[mission_num].services[service_num].output[0].c_str()); |
---|
| 1972 | |
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| 1973 | mList[mission_num].numServices = service_num; |
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| 1974 | mList[mission_num].name = pChild0->Attribute("name"); |
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| 1975 | mList[mission_num].missionID = atoi(pChild0->Attribute("id")); |
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| 1976 | if(pChild0->Attribute("input1")) |
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| 1977 | mList[mission_num].input[0] = pChild0->Attribute("input1"); |
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| 1978 | if(pChild0->Attribute("input2")) |
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| 1979 | mList[mission_num].input[1] = pChild0->Attribute("input2"); |
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| 1980 | if(pChild0->Attribute("input3")) |
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| 1981 | mList[mission_num].input[2] = pChild0->Attribute("input3"); |
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| 1982 | if(pChild0->Attribute("output1")) |
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| 1983 | mList[mission_num].output[0] = pChild0->Attribute("output1"); |
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| 1984 | if(pChild0->Attribute("output2")) |
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| 1985 | mList[mission_num].output[1] = pChild0->Attribute("output2"); |
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| 1986 | if(pChild0->Attribute("output3")) |
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| 1987 | mList[mission_num].output[2] = pChild0->Attribute("output3"); |
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| 1988 | printf("input1=%s, outpu1=%s\n", mList[mission_num].input[0].c_str(), mList[mission_num].output[0].c_str()); |
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| 1989 | mission_num++; |
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| 1990 | }*/ |
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