[67] | 1 | #include <stdio.h> |
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| 2 | #include <sys/types.h> |
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| 3 | #include <sys/socket.h> |
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| 4 | #include <netinet/in.h> |
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| 5 | #include <netdb.h> |
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| 6 | #include <iostream> |
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| 7 | |
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| 8 | using namespace std; |
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| 9 | |
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| 10 | struct CE_Info { |
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| 11 | int numUtilities; |
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| 12 | int numParameters; |
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| 13 | int numObservables; |
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| 14 | }; |
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| 15 | |
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| 16 | struct Utility { |
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[69] | 17 | char name[50]; |
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| 18 | char units[50]; |
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| 19 | char goal[50]; |
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[67] | 20 | /* string name; |
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| 21 | string units; |
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| 22 | string goal;*/ |
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| 23 | float target; |
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| 24 | }; |
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| 25 | |
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| 26 | struct Affect { |
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[71] | 27 | Utility u; |
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[67] | 28 | //string relation; |
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[71] | 29 | char relation[50]; |
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[67] | 30 | }; |
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| 31 | |
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| 32 | struct Parameter { |
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| 33 | /*string name; |
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| 34 | string units;*/ |
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[69] | 35 | char name[50]; |
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| 36 | char units[50]; |
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[67] | 37 | float min; |
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| 38 | int numAffects; |
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| 39 | Affect affection_list[10]; |
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| 40 | float max; |
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| 41 | float step; |
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| 42 | }; |
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| 43 | |
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| 44 | struct Observable { |
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| 45 | //string name; |
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[69] | 46 | char name[50]; |
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[67] | 47 | Affect affection_list[10]; |
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| 48 | int numAffects; |
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| 49 | }; |
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| 50 | |
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| 51 | // error handling |
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| 52 | void error(char *msg) |
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| 53 | { |
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| 54 | perror(msg); |
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| 55 | exit(0); |
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| 56 | } |
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| 57 | |
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[70] | 58 | void ReadMessage(int socket,char * buffer) { |
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| 59 | int i,n; |
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| 60 | |
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| 61 | n = recv(socket,buffer,256,MSG_PEEK); |
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| 62 | for(i=0;i<256;i++){ |
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[71] | 63 | if(strcmp(&buffer[i],"\0") == 0) break; |
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[70] | 64 | } |
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| 65 | n = recv(socket,buffer,i+1,0); |
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| 66 | if (n < 0) |
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| 67 | error("ERROR reading from socket"); |
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[71] | 68 | // printf("ReadMessage:%s %d\n",buffer,n); |
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[70] | 69 | } |
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| 70 | |
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[74] | 71 | |
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| 72 | int GetUtility(int sockfd, Utility uList[], CE_Info *ce_info) |
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[67] | 73 | { |
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| 74 | char buffer[256]; |
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[74] | 75 | int i; |
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[67] | 76 | |
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| 77 | // read unitilities |
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| 78 | // numUtilities |
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| 79 | bzero(buffer,256); |
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[70] | 80 | ReadMessage(sockfd,buffer); |
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[73] | 81 | ce_info->numUtilities = atoi(buffer); |
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[75] | 82 | //printf("number of utilities: %d\n", ce_info->numUtilities); |
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[67] | 83 | |
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[73] | 84 | for (i = 0; i < ce_info->numUtilities; i++){ |
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[67] | 85 | bzero(buffer,256); |
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[71] | 86 | ReadMessage(sockfd,buffer); |
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[75] | 87 | //printf("Name: %s\n", buffer); |
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[70] | 88 | strcpy(uList[i].name, buffer); |
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[68] | 89 | |
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| 90 | bzero(buffer,256); |
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[71] | 91 | ReadMessage(sockfd,buffer); |
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[75] | 92 | //printf("Units: %s\n", buffer); |
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[70] | 93 | strcpy(uList[i].units, buffer); |
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[68] | 94 | |
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[70] | 95 | bzero(buffer,256); |
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[71] | 96 | ReadMessage(sockfd,buffer); |
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[75] | 97 | //printf("Goal: %s\n", buffer); |
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[70] | 98 | strcpy(uList[i].goal, buffer); |
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[68] | 99 | |
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[71] | 100 | bzero(buffer,256); |
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| 101 | ReadMessage(sockfd,buffer); |
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[75] | 102 | //printf("Target: %s\n", buffer); |
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[70] | 103 | uList[i].target = atof(buffer); |
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[67] | 104 | } |
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[74] | 105 | return 1; |
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| 106 | } |
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[67] | 107 | |
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[74] | 108 | |
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| 109 | int GetParameter(int sockfd, Parameter pList[], CE_Info *ce_info) |
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| 110 | { |
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| 111 | char buffer[256]; |
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| 112 | int i, j; |
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| 113 | |
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[71] | 114 | // numParameters |
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| 115 | bzero(buffer,256); |
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| 116 | ReadMessage(sockfd,buffer); |
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[73] | 117 | ce_info->numParameters = atoi(buffer); |
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[75] | 118 | //printf("number of parameters: %d\n", ce_info->numParameters); |
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[71] | 119 | |
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[73] | 120 | for (i = 0; i < ce_info->numParameters; i++){ |
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[71] | 121 | bzero(buffer,256); |
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| 122 | ReadMessage(sockfd,buffer); |
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[75] | 123 | //printf("Name: %s\n", buffer); |
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[71] | 124 | strcpy(pList[i].name, buffer); |
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| 125 | |
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| 126 | bzero(buffer,256); |
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| 127 | ReadMessage(sockfd,buffer); |
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[75] | 128 | //printf("Units: %s\n", buffer); |
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[71] | 129 | strcpy(pList[i].units, buffer); |
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[67] | 130 | |
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[71] | 131 | bzero(buffer,256); |
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| 132 | ReadMessage(sockfd,buffer); |
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[75] | 133 | //printf("Min: %s\n", buffer); |
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[71] | 134 | pList[i].min = atof(buffer); |
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| 135 | |
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| 136 | bzero(buffer,256); |
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| 137 | ReadMessage(sockfd,buffer); |
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[75] | 138 | //printf("Max: %s\n", buffer); |
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[71] | 139 | pList[i].max = atof(buffer); |
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| 140 | |
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| 141 | bzero(buffer,256); |
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| 142 | ReadMessage(sockfd,buffer); |
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[75] | 143 | //printf("Step: %s\n", buffer); |
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[71] | 144 | pList[i].step = atof(buffer); |
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| 145 | |
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| 146 | // numAffects |
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| 147 | bzero(buffer,256); |
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| 148 | ReadMessage(sockfd,buffer); |
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| 149 | pList[i].numAffects = atoi(buffer); |
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[75] | 150 | //printf("number of affects: %d\n", pList[i].numAffects); |
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[71] | 151 | |
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| 152 | for (j = 0; j < pList[i].numAffects; j++){ |
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| 153 | bzero(buffer,256); |
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| 154 | ReadMessage(sockfd,buffer); |
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[75] | 155 | //printf("Utility name: %s\n", buffer); |
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[71] | 156 | strcpy(pList[i].affection_list[j].u.name, buffer); |
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| 157 | |
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| 158 | bzero(buffer,256); |
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| 159 | ReadMessage(sockfd,buffer); |
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[75] | 160 | //printf("Relation: %s\n", buffer); |
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[71] | 161 | strcpy(pList[i].affection_list[j].relation, buffer); |
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| 162 | } |
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[74] | 163 | } |
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| 164 | return 1; |
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| 165 | } |
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[67] | 166 | |
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[74] | 167 | |
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| 168 | int GetObservable(int sockfd, Observable oList[], CE_Info *ce_info) |
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| 169 | { |
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| 170 | char buffer[256]; |
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| 171 | int i,j; |
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| 172 | |
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[71] | 173 | // numParameters |
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| 174 | bzero(buffer,256); |
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| 175 | ReadMessage(sockfd,buffer); |
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[73] | 176 | ce_info->numObservables = atoi(buffer); |
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[75] | 177 | //printf("number of observables: %d\n", ce_info->numObservables); |
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[71] | 178 | |
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[73] | 179 | for (i = 0; i < ce_info->numObservables; i++){ |
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[71] | 180 | bzero(buffer,256); |
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| 181 | ReadMessage(sockfd,buffer); |
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[75] | 182 | //printf("Name: %s\n", buffer); |
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[74] | 183 | strcpy(oList[i].name, buffer); |
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[71] | 184 | |
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| 185 | // numAffects |
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| 186 | bzero(buffer,256); |
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| 187 | ReadMessage(sockfd,buffer); |
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| 188 | oList[i].numAffects = atoi(buffer); |
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[75] | 189 | //printf("number of affects: %d\n", oList[i].numAffects); |
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[71] | 190 | |
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| 191 | for (j = 0; j < oList[i].numAffects; j++){ |
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| 192 | bzero(buffer,256); |
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| 193 | ReadMessage(sockfd,buffer); |
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[75] | 194 | //printf("Utility name: %s\n", buffer); |
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[71] | 195 | strcpy(oList[i].affection_list[j].u.name, buffer); |
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| 196 | |
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| 197 | bzero(buffer,256); |
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| 198 | ReadMessage(sockfd,buffer); |
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[75] | 199 | //printf("Relation: %s\n", buffer); |
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[71] | 200 | strcpy(oList[i].affection_list[j].relation, buffer); |
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| 201 | } |
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| 202 | } |
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[74] | 203 | return 1; |
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| 204 | } |
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[71] | 205 | |
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[74] | 206 | |
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| 207 | int GetXMLFromServer(int sockfd, Utility uList[], Parameter pList[], |
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| 208 | Observable oList[], CE_Info *ce_info) |
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| 209 | { |
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| 210 | // get utilities |
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| 211 | GetUtility(sockfd, uList, ce_info); |
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| 212 | |
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| 213 | // get parameters |
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| 214 | GetParameter(sockfd, pList, ce_info); |
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| 215 | |
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| 216 | // read obervables |
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| 217 | GetObservable(sockfd, oList, ce_info); |
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| 218 | |
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[73] | 219 | printf("xml reception done\n"); |
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[71] | 220 | |
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[74] | 221 | return 1; |
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[73] | 222 | } |
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[71] | 223 | |
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[75] | 224 | void print_current_config(Utility uList[], Parameter pList[], |
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| 225 | Observable oList[], CE_Info * ce_info) |
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[73] | 226 | { |
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| 227 | int i = 0; |
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| 228 | int j = 0; |
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[71] | 229 | |
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[73] | 230 | // utilities |
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| 231 | for(i = 0; i < ce_info->numUtilities ; i++) { |
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[75] | 232 | cout << "Utility: " << uList[i].name << endl; |
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| 233 | cout << " Units: " << uList[i].units << endl; |
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| 234 | cout << " Goal: " << uList[i].goal << endl; |
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| 235 | cout << " Target: " << uList[i].target << endl; |
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[73] | 236 | } |
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| 237 | |
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| 238 | // parameters |
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| 239 | for(i = 0; i < ce_info->numParameters; i++) { |
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[75] | 240 | cout << "Parameter: " << pList[i].name << endl; |
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| 241 | cout << " Units: " << pList[i].units << endl; |
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| 242 | cout << " Min: " << pList[i].min << endl; |
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| 243 | cout << " Max: " << pList[i].max << endl; |
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| 244 | cout << " Step: " << pList[i].step << endl; |
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| 245 | for(j = 0; j < pList[i].numAffects; j++) { |
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| 246 | cout << " Affect: " << pList[i].affection_list[j].u.name << " -> " << pList[i].affection_list[j].relation << endl; |
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[73] | 247 | } |
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| 248 | } |
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| 249 | |
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| 250 | // observables |
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| 251 | for(i = 0; i < ce_info->numObservables; i++) { |
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[75] | 252 | cout << "Observable: " << oList[i].name << endl; |
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| 253 | for(j = 0; j < oList[i].numAffects; j++) { |
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| 254 | cout << " Affect: " << oList[i].affection_list[j].u.name << " -> " << oList[i].affection_list[j].relation << endl; |
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[73] | 255 | } |
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| 256 | } |
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| 257 | } |
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| 258 | |
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| 259 | |
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| 260 | // main client socket |
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| 261 | int main(int argc, char *argv[]) |
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| 262 | { |
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| 263 | Utility uList[10]; |
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| 264 | Parameter pList[10]; |
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| 265 | Observable oList[10]; |
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| 266 | CE_Info ce_info; |
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| 267 | |
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| 268 | int sockfd, portno; |
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| 269 | struct sockaddr_in serv_addr; |
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| 270 | struct hostent *server; |
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| 271 | |
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| 272 | // setup client socket connection |
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| 273 | if (argc < 3) { |
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| 274 | fprintf(stderr,"usage: %s hostname port\n", argv[0]); |
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| 275 | exit(0); |
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| 276 | } |
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| 277 | // server name |
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| 278 | server = gethostbyname(argv[1]); |
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| 279 | if (server == NULL) { |
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| 280 | fprintf(stderr,"ERROR, no such host\n"); |
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| 281 | exit(0); |
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| 282 | } |
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| 283 | // port no. |
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| 284 | portno = atoi(argv[2]); |
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| 285 | // socket file descriptor |
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| 286 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
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| 287 | if (sockfd < 0) |
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| 288 | error("ERROR opening socket"); |
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| 289 | // initiate struct socketaddr_in |
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| 290 | bzero((char *) &serv_addr, sizeof(serv_addr)); |
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| 291 | serv_addr.sin_family = AF_INET; |
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| 292 | serv_addr.sin_port = htons(portno); |
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| 293 | bcopy((char *)server->h_addr, |
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| 294 | (char *)&serv_addr.sin_addr.s_addr, |
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| 295 | server->h_length); |
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| 296 | // cast sockaddr_in to sockaddr |
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| 297 | if (connect(sockfd,(struct sockaddr *)&serv_addr,sizeof(serv_addr)) < 0) |
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| 298 | error("ERROR connecting"); |
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| 299 | |
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| 300 | // get xml info from server |
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| 301 | GetXMLFromServer(sockfd, uList, pList, oList, &ce_info); |
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| 302 | |
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[75] | 303 | //printf("utility:\n name: %s, units: %s, goal: %s, target: %f\n", |
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| 304 | // uList[0].name, uList[0].units, uList[0].goal, uList[0].target); |
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[73] | 305 | |
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[75] | 306 | print_current_config(uList, pList, oList, &ce_info); |
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[73] | 307 | |
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| 308 | |
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[71] | 309 | return 0; |
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[67] | 310 | } |
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