[67] | 1 | #include <stdio.h> |
---|
| 2 | #include <sys/types.h> |
---|
| 3 | #include <sys/socket.h> |
---|
| 4 | #include <netinet/in.h> |
---|
| 5 | #include <netdb.h> |
---|
| 6 | #include <iostream> |
---|
| 7 | |
---|
| 8 | using namespace std; |
---|
| 9 | |
---|
| 10 | struct CE_Info { |
---|
| 11 | int numUtilities; |
---|
| 12 | int numParameters; |
---|
| 13 | int numObservables; |
---|
| 14 | }; |
---|
| 15 | |
---|
| 16 | struct Utility { |
---|
[69] | 17 | char name[50]; |
---|
| 18 | char units[50]; |
---|
| 19 | char goal[50]; |
---|
[67] | 20 | /* string name; |
---|
| 21 | string units; |
---|
| 22 | string goal;*/ |
---|
| 23 | float target; |
---|
| 24 | }; |
---|
| 25 | |
---|
| 26 | struct Affect { |
---|
| 27 | Utility * u; |
---|
| 28 | //string relation; |
---|
| 29 | char relation[20]; |
---|
| 30 | }; |
---|
| 31 | |
---|
| 32 | struct Parameter { |
---|
| 33 | /*string name; |
---|
| 34 | string units;*/ |
---|
[69] | 35 | char name[50]; |
---|
| 36 | char units[50]; |
---|
[67] | 37 | float min; |
---|
| 38 | int numAffects; |
---|
| 39 | Affect affection_list[10]; |
---|
| 40 | float max; |
---|
| 41 | float step; |
---|
| 42 | }; |
---|
| 43 | |
---|
| 44 | struct Observable { |
---|
| 45 | //string name; |
---|
[69] | 46 | char name[50]; |
---|
[67] | 47 | Affect affection_list[10]; |
---|
| 48 | int numAffects; |
---|
| 49 | }; |
---|
| 50 | |
---|
| 51 | // error handling |
---|
| 52 | void error(char *msg) |
---|
| 53 | { |
---|
| 54 | perror(msg); |
---|
| 55 | exit(0); |
---|
| 56 | } |
---|
| 57 | |
---|
[70] | 58 | void ReadMessage(int socket,char * buffer) { |
---|
| 59 | int i,n; |
---|
| 60 | |
---|
| 61 | n = recv(socket,buffer,256,MSG_PEEK); |
---|
| 62 | for(i=0;i<256;i++){ |
---|
| 63 | if(strcmp(&buffer[i],"\0") == 0) break; |
---|
| 64 | } |
---|
| 65 | n = recv(socket,buffer,i+1,0); |
---|
| 66 | if (n < 0) |
---|
| 67 | error("ERROR reading from socket"); |
---|
| 68 | //printf("ReadMessage:%s %d\n",buffer,n); |
---|
| 69 | } |
---|
| 70 | |
---|
[67] | 71 | // main client socket |
---|
| 72 | int main(int argc, char *argv[]) |
---|
| 73 | { |
---|
| 74 | int sockfd, portno, n; |
---|
| 75 | struct sockaddr_in serv_addr; |
---|
| 76 | struct hostent *server; |
---|
| 77 | |
---|
| 78 | // create a socket |
---|
| 79 | char buffer[256]; |
---|
[70] | 80 | char buffer1[256]; |
---|
[67] | 81 | if (argc < 3) { |
---|
| 82 | fprintf(stderr,"usage %s hostname port\n", argv[0]); |
---|
| 83 | exit(0); |
---|
| 84 | } |
---|
| 85 | portno = atoi(argv[2]); |
---|
| 86 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
---|
| 87 | if (sockfd < 0) |
---|
| 88 | error("ERROR opening socket"); |
---|
| 89 | server = gethostbyname(argv[1]); |
---|
| 90 | if (server == NULL) { |
---|
| 91 | fprintf(stderr,"ERROR, no such host\n"); |
---|
| 92 | exit(0); |
---|
| 93 | } |
---|
| 94 | bzero((char *) &serv_addr, sizeof(serv_addr)); |
---|
| 95 | serv_addr.sin_family = AF_INET; |
---|
| 96 | bcopy((char *)server->h_addr, |
---|
| 97 | (char *)&serv_addr.sin_addr.s_addr, |
---|
| 98 | server->h_length); |
---|
| 99 | serv_addr.sin_port = htons(portno); |
---|
| 100 | // cast sockaddr_in to sockaddr |
---|
| 101 | if (connect(sockfd,(struct sockaddr *)&serv_addr,sizeof(serv_addr)) < 0) |
---|
| 102 | error("ERROR connecting"); |
---|
| 103 | |
---|
[69] | 104 | int i; |
---|
[70] | 105 | Utility uList[10]; |
---|
| 106 | Parameter pList[10]; |
---|
| 107 | Observable oList[10]; |
---|
| 108 | CE_Info ce_info; |
---|
[67] | 109 | |
---|
| 110 | // read unitilities |
---|
| 111 | // numUtilities |
---|
| 112 | bzero(buffer,256); |
---|
[70] | 113 | ReadMessage(sockfd,buffer); |
---|
| 114 | ce_info.numUtilities = atoi(buffer); |
---|
| 115 | printf("number of utilities: %d\n", ce_info.numUtilities); |
---|
[67] | 116 | |
---|
[70] | 117 | for (i = 0; i < ce_info.numUtilities; i++){ |
---|
[67] | 118 | bzero(buffer,256); |
---|
[70] | 119 | ReadMessage(sockfd,buffer); |
---|
| 120 | printf("Name: %s\n", buffer); |
---|
| 121 | strcpy(uList[i].name, buffer); |
---|
[68] | 122 | |
---|
| 123 | bzero(buffer,256); |
---|
[70] | 124 | ReadMessage(sockfd,buffer); |
---|
| 125 | printf("Units: %s\n", buffer); |
---|
| 126 | strcpy(uList[i].units, buffer); |
---|
[68] | 127 | |
---|
[70] | 128 | bzero(buffer,256); |
---|
| 129 | ReadMessage(sockfd,buffer); |
---|
| 130 | printf("Goal: %s\n", buffer); |
---|
| 131 | strcpy(uList[i].goal, buffer); |
---|
[68] | 132 | |
---|
[70] | 133 | bzero(buffer,256); |
---|
| 134 | ReadMessage(sockfd,buffer); |
---|
| 135 | printf("Target: %s\n", buffer); |
---|
| 136 | uList[i].target = atof(buffer); |
---|
[67] | 137 | } |
---|
| 138 | |
---|
| 139 | //for (i = 0; i < ce_info->numUtilities; i++){ |
---|
| 140 | /*for (i = 0; i < 1; i++){ |
---|
| 141 | printf("%s ", uList[i]); |
---|
| 142 | }*/ |
---|
| 143 | printf("\n"); |
---|
| 144 | |
---|
| 145 | |
---|
| 146 | return 0; |
---|
| 147 | } |
---|