[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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[73] | 71 | int GetXMLFromServer(int sockfd, Utility uList[], Parameter pList[], |
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| 72 | Observable oList[], CE_Info *ce_info) |
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[67] | 73 | { |
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| 74 | char buffer[256]; |
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[73] | 75 | int i,j; |
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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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| 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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| 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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| 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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[70] | 97 | printf("Goal: %s\n", buffer); |
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| 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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[70] | 102 | printf("Target: %s\n", buffer); |
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| 103 | uList[i].target = atof(buffer); |
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[67] | 104 | } |
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| 105 | |
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[71] | 106 | // read parameters |
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| 107 | // numParameters |
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| 108 | bzero(buffer,256); |
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| 109 | ReadMessage(sockfd,buffer); |
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[73] | 110 | ce_info->numParameters = atoi(buffer); |
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| 111 | printf("number of parameters: %d\n", ce_info->numParameters); |
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[71] | 112 | |
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[73] | 113 | for (i = 0; i < ce_info->numParameters; i++){ |
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[71] | 114 | bzero(buffer,256); |
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| 115 | ReadMessage(sockfd,buffer); |
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| 116 | printf("Name: %s\n", buffer); |
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| 117 | strcpy(pList[i].name, buffer); |
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| 118 | |
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| 119 | bzero(buffer,256); |
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| 120 | ReadMessage(sockfd,buffer); |
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| 121 | printf("Units: %s\n", buffer); |
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| 122 | strcpy(pList[i].units, buffer); |
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[67] | 123 | |
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[71] | 124 | bzero(buffer,256); |
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| 125 | ReadMessage(sockfd,buffer); |
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| 126 | printf("Min: %s\n", buffer); |
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| 127 | pList[i].min = atof(buffer); |
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| 128 | |
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| 129 | bzero(buffer,256); |
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| 130 | ReadMessage(sockfd,buffer); |
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| 131 | printf("Max: %s\n", buffer); |
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| 132 | pList[i].max = atof(buffer); |
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| 133 | |
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| 134 | bzero(buffer,256); |
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| 135 | ReadMessage(sockfd,buffer); |
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| 136 | printf("Step: %s\n", buffer); |
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| 137 | pList[i].step = atof(buffer); |
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| 138 | |
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| 139 | // numAffects |
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| 140 | bzero(buffer,256); |
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| 141 | ReadMessage(sockfd,buffer); |
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| 142 | pList[i].numAffects = atoi(buffer); |
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| 143 | printf("number of affects: %d\n", pList[i].numAffects); |
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| 144 | |
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| 145 | for (j = 0; j < pList[i].numAffects; j++){ |
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| 146 | bzero(buffer,256); |
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| 147 | ReadMessage(sockfd,buffer); |
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| 148 | printf("Utility name: %s\n", buffer); |
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| 149 | strcpy(pList[i].affection_list[j].u.name, buffer); |
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| 150 | |
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| 151 | bzero(buffer,256); |
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| 152 | ReadMessage(sockfd,buffer); |
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| 153 | printf("Relation: %s\n", buffer); |
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| 154 | strcpy(pList[i].affection_list[j].relation, buffer); |
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| 155 | } |
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[67] | 156 | |
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[71] | 157 | } |
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| 158 | |
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| 159 | // read obervables |
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| 160 | // numParameters |
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| 161 | bzero(buffer,256); |
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| 162 | ReadMessage(sockfd,buffer); |
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[73] | 163 | ce_info->numObservables = atoi(buffer); |
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| 164 | printf("number of observables: %d\n", ce_info->numObservables); |
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[71] | 165 | |
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[73] | 166 | for (i = 0; i < ce_info->numObservables; i++){ |
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[71] | 167 | bzero(buffer,256); |
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| 168 | ReadMessage(sockfd,buffer); |
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| 169 | printf("Name: %s\n", buffer); |
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| 170 | strcpy(pList[i].name, buffer); |
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| 171 | |
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| 172 | // numAffects |
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| 173 | bzero(buffer,256); |
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| 174 | ReadMessage(sockfd,buffer); |
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| 175 | oList[i].numAffects = atoi(buffer); |
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| 176 | printf("number of affects: %d\n", oList[i].numAffects); |
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| 177 | |
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| 178 | for (j = 0; j < oList[i].numAffects; j++){ |
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| 179 | bzero(buffer,256); |
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| 180 | ReadMessage(sockfd,buffer); |
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| 181 | printf("Utility name: %s\n", buffer); |
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| 182 | strcpy(oList[i].affection_list[j].u.name, buffer); |
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| 183 | |
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| 184 | bzero(buffer,256); |
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| 185 | ReadMessage(sockfd,buffer); |
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| 186 | printf("Relation: %s\n", buffer); |
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| 187 | strcpy(oList[i].affection_list[j].relation, buffer); |
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| 188 | } |
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| 189 | } |
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| 190 | |
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[73] | 191 | printf("xml reception done\n"); |
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[71] | 192 | |
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[73] | 193 | return 0; |
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| 194 | } |
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[71] | 195 | |
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[73] | 196 | void print_current_config(Utility * uList[], Parameter * pList[], |
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| 197 | Observable * oList[], CE_Info * ce_info) |
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| 198 | { |
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| 199 | int i = 0; |
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| 200 | int j = 0; |
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[71] | 201 | |
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[73] | 202 | // utilities |
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| 203 | for(i = 0; i < ce_info->numUtilities ; i++) { |
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| 204 | cout << "Utility: " << uList[i]->name << endl; |
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| 205 | cout << " Units: " << uList[i]->units << endl; |
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| 206 | cout << " Goal: " << uList[i]->goal << endl; |
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| 207 | cout << " Target: " << uList[i]->target << endl; |
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| 208 | } |
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| 209 | |
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| 210 | // parameters |
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| 211 | for(i = 0; i < ce_info->numParameters; i++) { |
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| 212 | cout << "Parameter: " << pList[i]->name << endl; |
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| 213 | cout << " Units: " << pList[i]->units << endl; |
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| 214 | cout << " Min: " << pList[i]->min << endl; |
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| 215 | cout << " Max: " << pList[i]->max << endl; |
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| 216 | cout << " Step: " << pList[i]->step << endl; |
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| 217 | for(j = 0; j < pList[i]->numAffects; j++) { |
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| 218 | cout << " Affect: " << pList[i]->affection_list[j].u.name << " -> " << pList[i]->affection_list[j].relation << endl; |
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| 219 | } |
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| 220 | } |
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| 221 | |
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| 222 | // observables |
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| 223 | for(i = 0; i < ce_info->numObservables; i++) { |
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| 224 | cout << "Observable: " << oList[i]->name << endl; |
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| 225 | for(j = 0; j < oList[i]->numAffects; j++) { |
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| 226 | cout << " Affect: " << oList[i]->affection_list[j].u.name << " -> " << oList[i]->affection_list[j].relation << endl; |
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| 227 | } |
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| 228 | } |
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| 229 | } |
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| 230 | |
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| 231 | |
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| 232 | // main client socket |
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| 233 | int main(int argc, char *argv[]) |
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| 234 | { |
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| 235 | Utility uList[10]; |
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| 236 | Parameter pList[10]; |
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| 237 | Observable oList[10]; |
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| 238 | CE_Info ce_info; |
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| 239 | |
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| 240 | int sockfd, portno; |
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| 241 | struct sockaddr_in serv_addr; |
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| 242 | struct hostent *server; |
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| 243 | |
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| 244 | // setup client socket connection |
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| 245 | if (argc < 3) { |
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| 246 | fprintf(stderr,"usage: %s hostname port\n", argv[0]); |
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| 247 | exit(0); |
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| 248 | } |
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| 249 | // server name |
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| 250 | server = gethostbyname(argv[1]); |
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| 251 | if (server == NULL) { |
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| 252 | fprintf(stderr,"ERROR, no such host\n"); |
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| 253 | exit(0); |
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| 254 | } |
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| 255 | // port no. |
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| 256 | portno = atoi(argv[2]); |
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| 257 | // socket file descriptor |
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| 258 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
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| 259 | if (sockfd < 0) |
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| 260 | error("ERROR opening socket"); |
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| 261 | // initiate struct socketaddr_in |
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| 262 | bzero((char *) &serv_addr, sizeof(serv_addr)); |
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| 263 | serv_addr.sin_family = AF_INET; |
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| 264 | serv_addr.sin_port = htons(portno); |
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| 265 | bcopy((char *)server->h_addr, |
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| 266 | (char *)&serv_addr.sin_addr.s_addr, |
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| 267 | server->h_length); |
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| 268 | // cast sockaddr_in to sockaddr |
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| 269 | if (connect(sockfd,(struct sockaddr *)&serv_addr,sizeof(serv_addr)) < 0) |
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| 270 | error("ERROR connecting"); |
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| 271 | |
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| 272 | // get xml info from server |
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| 273 | GetXMLFromServer(sockfd, uList, pList, oList, &ce_info); |
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| 274 | |
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| 275 | printf("utility:\n name: %s, units: %s, goal: %s, target: %f\n", |
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| 276 | uList[0].name, uList[0].units, uList[0].goal, uList[0].target); |
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| 277 | |
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| 278 | //print_current_config(&uList, &pList, &oList, &ce_info); |
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| 279 | |
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| 280 | |
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[71] | 281 | return 0; |
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[67] | 282 | } |
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