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Cambios en el cliente del Control_Module para pruebas de respuesta hacia Central_Control_Module
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r33:34
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1 1 /* No newline at end of file
2 2 * ClienteUDP.c No newline at end of file
3 3 * No newline at end of file
4 4 * Fecha de creacion : Nov 2, 2009 No newline at end of file
5 5 * Ultima modificacion : Nov 19, 2009 No newline at end of file
6 6 * Autor : Jose Francisco Quenta C. No newline at end of file
7 7 */ No newline at end of file
8 8 No newline at end of file
9 9 #include <stdio.h> No newline at end of file
10 10 #include <stdlib.h> No newline at end of file
11 11 #include <string.h> No newline at end of file
12 12 #include <unistd.h> No newline at end of file
13 13 #include <errno.h> No newline at end of file
14 14 #include <sys/types.h> No newline at end of file
15 15 #include <sys/socket.h> No newline at end of file
16 16 #include <netinet/in.h> No newline at end of file
17 17 #include <arpa/inet.h> No newline at end of file
18 18 #include <netdb.h> No newline at end of file
19 19 No newline at end of file
20 20 #include "./Librerias/Mensajes.h" No newline at end of file
21 21 No newline at end of file
22 22 #define PUERTO_SERVIDOR 5500 No newline at end of file
23 23 //#define DIR_SERVIDOR "10.10.12.255" No newline at end of file
24 24 #define DIR_SERVIDOR "192.168.1.255" No newline at end of file
25 #define TAM_BUFFER 100
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26 No newline at end of file
25 27 No newline at end of file
26 28 int ClienteUDP(char *opcion, char *valor){ No newline at end of file
27 29 No newline at end of file
28 30 int conexion_clienteFD;
31 No newline at end of file
29 struct sockaddr_in inf_servidor; No newline at end of file
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32 struct sockaddr_storage inf_cliente; No newline at end of file
30 33 No newline at end of file
31 34 int broadcast= 1; No newline at end of file
32 35 int resultado; No newline at end of file
33 36 int numbytes_enviados; No newline at end of file
37 int numbytes_recibidos;
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38 size_t addr_len; No newline at end of file
34 39 No newline at end of file
35 40 char *buff_peticion; No newline at end of file
41 char *buff_rx = (char *) malloc(TAM_BUFFER); No newline at end of file
36 42 char *comando= NULL; No newline at end of file
37 43 No newline at end of file
38 44 if (strcmp(opcion,"-l") == 0){ // Se reconoce el comando que se esta enviando No newline at end of file
39 45 comando= "CARGA:"; No newline at end of file
40 46 }else if(strcmp(opcion,"-c") == 0){ No newline at end of file
41 47 comando= "CAMBIA:"; No newline at end of file
42 48 }else if(strcmp(opcion,"-ch") == 0){ No newline at end of file
43 49 comando= "CHEQUEO:"; No newline at end of file
44 50 }else { No newline at end of file
45 51 ERROR("OPCION INCORRECTA: {-l|-c|-ch}"); No newline at end of file
46 52 return -1; No newline at end of file
47 53 } No newline at end of file
48 54 No newline at end of file
49 55 buff_peticion= (char *) malloc(strlen(comando)+1+strlen(valor)+1); // Se arma el buffer a ser enviado. No newline at end of file
50 56 strcpy(buff_peticion,comando); No newline at end of file
51 57 strcat(buff_peticion,valor); No newline at end of file
52 58 No newline at end of file
53 59 /* Se establece el socket UDP */ No newline at end of file
54 60 conexion_clienteFD= socket(AF_INET,SOCK_DGRAM,0); No newline at end of file
55 61 if (conexion_clienteFD == -1){ No newline at end of file
56 62 ERROR("No se pudo establecer el socket: socket()"); No newline at end of file
57 63 return -1; No newline at end of file
58 64 } No newline at end of file
59 65
66 No newline at end of file
60 /* Se establece el Broadcast con la funcion setsockpt() */ No newline at end of file
61 67 resultado= setsockopt(conexion_clienteFD, SOL_SOCKET, SO_BROADCAST, &broadcast, sizeof(broadcast)); No newline at end of file
62 68 if (resultado == -1){ No newline at end of file
63 69 ERROR("No se pudo establecer la opcion de Broadcast: setsockopt()"); No newline at end of file
64 70 return -1; No newline at end of file
71 }*/
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72
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73 /* Configuracion para el bind() */
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74 inf_servidor.sin_family= AF_INET;
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75 inf_servidor.sin_port= htons(PUERTO_SERVIDOR);
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76 //inf_servidor.sin_port= 0;
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77 //inf_servidor.sin_addr.s_addr= inet_addr("192.168.1.255");
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78 inf_servidor.sin_addr.s_addr= INADDR_ANY;
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79 memset(inf_servidor.sin_zero, '\0', sizeof(inf_servidor.sin_zero));
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80
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81 /* ConfiguraciΓ³n para el sendto() */
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82 inf_servidor_2.sin_family= AF_INET;
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83 inf_servidor_2.sin_port= htons(PUERTO_SERVIDOR);
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84 //inf_servidor.sin_port= 0;
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85 inf_servidor_2.sin_addr.s_addr= inet_addr("192.168.1.13");
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86 //inf_servidor_2.sin_addr.s_addr= INADDR_ANY;
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87 memset(inf_servidor_2.sin_zero, '\0', sizeof(inf_servidor_2.sin_zero));
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88
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89 /* Se asocia el socket a un puerto y una IP */
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90 resultado = bind(conexion_clienteFD,(struct sockaddr *)&inf_servidor,sizeof(inf_servidor));
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91 if (resultado== -1){
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92 ERROR_FATAL("No se establecio correctamente el socket: bind()"); No newline at end of file
65 93 } No newline at end of file
66 94
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67 /* Se configura la estructura que contiene la informacion sobre el servidor: inf_servidor */
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68 inf_servidor.sin_family= AF_INET;
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69 inf_servidor.sin_port= htons(PUERTO_SERVIDOR);
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70 inf_servidor.sin_addr.s_addr= inet_addr(DIR_SERVIDOR);
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71 memset(inf_servidor.sin_zero, '\0', sizeof(inf_servidor.sin_zero));
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72 No newline at end of file
73 95 /* Se procede a enviar el buffer */
96 No newline at end of file
74 numbytes_enviados= sendto(conexion_clienteFD,buff_peticion,strlen(buff_peticion),0,(struct sockaddr *)&inf_servidor,sizeof(inf_servidor)); No newline at end of file
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97 numbytes_enviados= sendto(conexion_clienteFD,buff_peticion,strlen(buff_peticion),0,(struct sockaddr *)&inf_servidor_2,sizeof(inf_servidor_2)); No newline at end of file
75 98 if(numbytes_enviados == -1){ No newline at end of file
76 99 ERROR("Error de envio de datos: sendto()"); No newline at end of file
77 100 return -1; No newline at end of file
78 101 } No newline at end of file
79 102 No newline at end of file
103 /* Se espera respuesta del servidor */
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104 addr_len = sizeof(inf_cliente);
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105 printf("Esperando respuesta del servidor\n");
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106 numbytes_recibidos = recvfrom(conexion_clienteFD, buff_rx, TAM_BUFFER-1, 0, (struct sockaddr *)&inf_cliente, &addr_len);
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107 if (numbytes_recibidos == -1){
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108 ERROR_FATAL("Error en la recepcion de datos: recvfrom()");
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109 }
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110 printf("Recibida la respuesta del servidor\n"); No newline at end of file
80 111 close(conexion_clienteFD); No newline at end of file
81 112 No newline at end of file
82 113 return 0; No newline at end of file
83 114 } No newline at end of file
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