[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 | |
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| 7 | struct CE_Info { |
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| 8 | int numUtilities; |
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| 9 | int numParameters; |
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| 10 | int numObservables; |
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| 11 | }; |
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| 12 | |
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| 13 | struct Utility { |
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| 14 | char name[20]; |
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| 15 | char units[20]; |
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| 16 | char goal[20]; |
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| 17 | /* string name; |
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| 18 | string units; |
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| 19 | string goal;*/ |
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| 20 | float target; |
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| 21 | }; |
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| 22 | |
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| 23 | struct Affect { |
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| 24 | Utility * u; |
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| 25 | //string relation; |
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| 26 | char relation[20]; |
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| 27 | }; |
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| 28 | |
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| 29 | struct Parameter { |
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| 30 | /*string name; |
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| 31 | string units;*/ |
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| 32 | char name[20]; |
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| 33 | char units[20]; |
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| 34 | float min; |
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| 35 | int numAffects; |
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| 36 | Affect affection_list[10]; |
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| 37 | float max; |
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| 38 | float step; |
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| 39 | }; |
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| 40 | |
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| 41 | struct Observable { |
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| 42 | //string name; |
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| 43 | char name[20]; |
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| 44 | Affect affection_list[10]; |
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| 45 | int numAffects; |
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| 46 | }; |
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| 47 | |
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| 48 | // error handling |
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| 49 | void error(char *msg) |
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| 50 | { |
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| 51 | perror(msg); |
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| 52 | exit(0); |
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| 53 | } |
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| 54 | |
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| 55 | // main client socket |
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| 56 | int main(int argc, char *argv[]) |
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| 57 | { |
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| 58 | int sockfd, portno, n; |
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| 59 | struct sockaddr_in serv_addr; |
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| 60 | struct hostent *server; |
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| 61 | |
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| 62 | char buffer[256]; |
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| 63 | if (argc < 3) { |
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| 64 | fprintf(stderr,"usage %s hostname port\n", argv[0]); |
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| 65 | exit(0); |
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| 66 | } |
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| 67 | portno = atoi(argv[2]); |
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| 68 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
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| 69 | if (sockfd < 0) |
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| 70 | error("ERROR opening socket"); |
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| 71 | server = gethostbyname(argv[1]); |
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| 72 | if (server == NULL) { |
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| 73 | fprintf(stderr,"ERROR, no such host\n"); |
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| 74 | exit(0); |
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| 75 | } |
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| 76 | bzero((char *) &serv_addr, sizeof(serv_addr)); |
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| 77 | serv_addr.sin_family = AF_INET; |
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| 78 | bcopy((char *)server->h_addr, |
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| 79 | (char *)&serv_addr.sin_addr.s_addr, |
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| 80 | server->h_length); |
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| 81 | serv_addr.sin_port = htons(portno); |
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| 82 | if (connect(sockfd,&serv_addr,sizeof(serv_addr)) < 0) |
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| 83 | error("ERROR connecting"); |
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| 84 | |
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| 85 | printf("Please enter the message: "); |
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| 86 | bzero(buffer,256); |
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| 87 | fgets(buffer,255,stdin); |
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| 88 | n = write(sockfd,buffer,strlen(buffer)); |
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| 89 | if (n < 0) |
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| 90 | error("ERROR writing to socket"); |
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| 91 | bzero(buffer,256); |
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| 92 | |
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| 93 | // read back xml information |
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| 94 | int counter; |
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| 95 | Utility * uList[10] |
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| 96 | Parameter * pList[10]; |
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| 97 | Observable * oList[10]; |
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| 98 | CE_Info ce_info; |
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| 99 | |
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| 100 | // read unitilities |
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| 101 | // numUtilities |
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| 102 | n = read(sockfd,buffer,255); |
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| 103 | if (n < 0) |
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| 104 | error("ERROR reading from socket"); |
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| 105 | printf("%s\n",buffer); |
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| 106 | ce_info->numUtilities = atoi(buffer); |
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| 107 | printf("number of utilities: %d\n", ce_info->numUtilities); |
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| 108 | |
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| 109 | return 0; |
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| 110 | } |
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