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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17 | char name[50]; |
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18 | char units[50]; |
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19 | char goal[50]; |
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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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27 | Utility u; |
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28 | //string relation; |
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29 | char relation[50]; |
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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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35 | char name[50]; |
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36 | char units[50]; |
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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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46 | char name[50]; |
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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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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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63 | if(strcmp(&buffer[i],"\0") == 0) break; |
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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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68 | // printf("ReadMessage:%s %d\n",buffer,n); |
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69 | } |
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70 | |
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71 | // main client socket |
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72 | int main(int argc, char *argv[]) |
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73 | { |
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74 | int sockfd, portno, n; |
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75 | struct sockaddr_in serv_addr; |
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76 | struct hostent *server; |
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77 | |
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78 | // create a socket |
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79 | char buffer[256]; |
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80 | char buffer1[256]; |
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81 | if (argc < 3) { |
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82 | fprintf(stderr,"usage %s hostname port\n", argv[0]); |
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83 | exit(0); |
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84 | } |
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85 | portno = atoi(argv[2]); |
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86 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
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87 | if (sockfd < 0) |
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88 | error("ERROR opening socket"); |
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89 | server = gethostbyname(argv[1]); |
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90 | if (server == NULL) { |
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91 | fprintf(stderr,"ERROR, no such host\n"); |
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92 | exit(0); |
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93 | } |
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94 | bzero((char *) &serv_addr, sizeof(serv_addr)); |
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95 | serv_addr.sin_family = AF_INET; |
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96 | bcopy((char *)server->h_addr, |
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97 | (char *)&serv_addr.sin_addr.s_addr, |
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98 | server->h_length); |
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99 | serv_addr.sin_port = htons(portno); |
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100 | // cast sockaddr_in to sockaddr |
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101 | if (connect(sockfd,(struct sockaddr *)&serv_addr,sizeof(serv_addr)) < 0) |
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102 | error("ERROR connecting"); |
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103 | |
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104 | int i, j; |
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105 | Utility uList[10]; |
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106 | Parameter pList[10]; |
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107 | Observable oList[10]; |
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108 | CE_Info ce_info; |
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109 | |
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110 | // read unitilities |
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111 | // numUtilities |
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112 | bzero(buffer,256); |
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113 | ReadMessage(sockfd,buffer); |
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114 | ce_info.numUtilities = atoi(buffer); |
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115 | printf("number of utilities: %d\n", ce_info.numUtilities); |
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116 | |
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117 | for (i = 0; i < ce_info.numUtilities; i++){ |
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118 | bzero(buffer,256); |
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119 | ReadMessage(sockfd,buffer); |
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120 | printf("Name: %s\n", buffer); |
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121 | strcpy(uList[i].name, buffer); |
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122 | |
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123 | bzero(buffer,256); |
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124 | ReadMessage(sockfd,buffer); |
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125 | printf("Units: %s\n", buffer); |
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126 | strcpy(uList[i].units, buffer); |
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127 | |
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128 | bzero(buffer,256); |
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129 | ReadMessage(sockfd,buffer); |
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130 | printf("Goal: %s\n", buffer); |
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131 | strcpy(uList[i].goal, buffer); |
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132 | |
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133 | bzero(buffer,256); |
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134 | ReadMessage(sockfd,buffer); |
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135 | printf("Target: %s\n", buffer); |
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136 | uList[i].target = atof(buffer); |
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137 | } |
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138 | |
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139 | // read parameters |
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140 | // numParameters |
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141 | bzero(buffer,256); |
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142 | ReadMessage(sockfd,buffer); |
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143 | ce_info.numParameters = atoi(buffer); |
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144 | printf("number of parameters: %d\n", ce_info.numParameters); |
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145 | |
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146 | for (i = 0; i < ce_info.numParameters; i++){ |
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147 | bzero(buffer,256); |
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148 | ReadMessage(sockfd,buffer); |
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149 | printf("Name: %s\n", buffer); |
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150 | strcpy(pList[i].name, buffer); |
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151 | |
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152 | bzero(buffer,256); |
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153 | ReadMessage(sockfd,buffer); |
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154 | printf("Units: %s\n", buffer); |
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155 | strcpy(pList[i].units, buffer); |
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156 | |
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157 | bzero(buffer,256); |
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158 | ReadMessage(sockfd,buffer); |
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159 | printf("Min: %s\n", buffer); |
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160 | pList[i].min = atof(buffer); |
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161 | |
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162 | bzero(buffer,256); |
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163 | ReadMessage(sockfd,buffer); |
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164 | printf("Max: %s\n", buffer); |
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165 | pList[i].max = atof(buffer); |
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166 | |
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167 | bzero(buffer,256); |
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168 | ReadMessage(sockfd,buffer); |
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169 | printf("Step: %s\n", buffer); |
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170 | pList[i].step = atof(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 | pList[i].numAffects = atoi(buffer); |
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176 | printf("number of affects: %d\n", pList[i].numAffects); |
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177 | |
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178 | for (j = 0; j < pList[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(pList[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(pList[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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191 | |
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192 | // read obervables |
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193 | // numParameters |
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194 | bzero(buffer,256); |
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195 | ReadMessage(sockfd,buffer); |
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196 | ce_info.numObservables = atoi(buffer); |
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197 | printf("number of observables: %d\n", ce_info.numObservables); |
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198 | |
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199 | for (i = 0; i < ce_info.numObservables; i++){ |
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200 | bzero(buffer,256); |
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201 | ReadMessage(sockfd,buffer); |
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202 | printf("Name: %s\n", buffer); |
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203 | strcpy(pList[i].name, buffer); |
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204 | |
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205 | // numAffects |
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206 | bzero(buffer,256); |
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207 | ReadMessage(sockfd,buffer); |
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208 | oList[i].numAffects = atoi(buffer); |
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209 | printf("number of affects: %d\n", oList[i].numAffects); |
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210 | |
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211 | for (j = 0; j < oList[i].numAffects; j++){ |
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212 | bzero(buffer,256); |
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213 | ReadMessage(sockfd,buffer); |
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214 | printf("Utility name: %s\n", buffer); |
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215 | strcpy(oList[i].affection_list[j].u.name, buffer); |
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216 | |
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217 | bzero(buffer,256); |
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218 | ReadMessage(sockfd,buffer); |
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219 | printf("Relation: %s\n", buffer); |
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220 | strcpy(oList[i].affection_list[j].relation, buffer); |
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221 | } |
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222 | } |
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223 | |
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224 | |
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225 | printf("xml transmission done\n"); |
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226 | |
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227 | |
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228 | return 0; |
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229 | } |
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