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Cambios en el cliente del Control_Module para pruebas de respuesta hacia Central_Control_Module
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1 /* No newline at end of file
1 /*
2 * ClienteUDP.c No newline at end of file
2 * ClienteUDP.c
3 * No newline at end of file
3 *
4 * Fecha de creacion : Nov 2, 2009 No newline at end of file
4 * Fecha de creacion : Nov 2, 2009
5 * Ultima modificacion : Nov 19, 2009 No newline at end of file
5 * Ultima modificacion : Nov 19, 2009
6 * Autor : Jose Francisco Quenta C. No newline at end of file
6 * Autor : Jose Francisco Quenta C.
7 */ No newline at end of file
7 */
8 No newline at end of file
8
9 #include <stdio.h> No newline at end of file
9 #include <stdio.h>
10 #include <stdlib.h> No newline at end of file
10 #include <stdlib.h>
11 #include <string.h> No newline at end of file
11 #include <string.h>
12 #include <unistd.h> No newline at end of file
12 #include <unistd.h>
13 #include <errno.h> No newline at end of file
13 #include <errno.h>
14 #include <sys/types.h> No newline at end of file
14 #include <sys/types.h>
15 #include <sys/socket.h> No newline at end of file
15 #include <sys/socket.h>
16 #include <netinet/in.h> No newline at end of file
16 #include <netinet/in.h>
17 #include <arpa/inet.h> No newline at end of file
17 #include <arpa/inet.h>
18 #include <netdb.h> No newline at end of file
18 #include <netdb.h>
19 No newline at end of file
19
20 #include "./Librerias/Mensajes.h" No newline at end of file
20 #include "./Librerias/Mensajes.h"
21 No newline at end of file
21
22 #define PUERTO_SERVIDOR 5500 No newline at end of file
22 #define PUERTO_SERVIDOR 5500
23 //#define DIR_SERVIDOR "10.10.12.255" No newline at end of file
23 //#define DIR_SERVIDOR "10.10.12.255"
24 #define DIR_SERVIDOR "192.168.1.255" No newline at end of file
24 #define DIR_SERVIDOR "192.168.1.255"
25 #define TAM_BUFFER 100
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26 No newline at end of file
25 No newline at end of file
27
26 int ClienteUDP(char *opcion, char *valor){ No newline at end of file
28 int ClienteUDP(char *opcion, char *valor){
27 No newline at end of file
29
28 int conexion_clienteFD;
30 int conexion_clienteFD;
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31 struct sockaddr_in inf_servidor, inf_servidor_2;
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 No newline at end of file
33
31 int broadcast= 1; No newline at end of file
34 int broadcast= 1;
32 int resultado; No newline at end of file
35 int resultado;
33 int numbytes_enviados; No newline at end of file
36 int numbytes_enviados;
37 int numbytes_recibidos;
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38 size_t addr_len; No newline at end of file
34 No newline at end of file
39
35 char *buff_peticion; No newline at end of file
40 char *buff_peticion;
41 char *buff_rx = (char *) malloc(TAM_BUFFER); No newline at end of file
36 char *comando= NULL; No newline at end of file
42 char *comando= NULL;
37 No newline at end of file
43
38 if (strcmp(opcion,"-l") == 0){ // Se reconoce el comando que se esta enviando No newline at end of file
44 if (strcmp(opcion,"-l") == 0){ // Se reconoce el comando que se esta enviando
39 comando= "CARGA:"; No newline at end of file
45 comando= "CARGA:";
40 }else if(strcmp(opcion,"-c") == 0){ No newline at end of file
46 }else if(strcmp(opcion,"-c") == 0){
41 comando= "CAMBIA:"; No newline at end of file
47 comando= "CAMBIA:";
42 }else if(strcmp(opcion,"-ch") == 0){ No newline at end of file
48 }else if(strcmp(opcion,"-ch") == 0){
43 comando= "CHEQUEO:"; No newline at end of file
49 comando= "CHEQUEO:";
44 }else { No newline at end of file
50 }else {
45 ERROR("OPCION INCORRECTA: {-l|-c|-ch}"); No newline at end of file
51 ERROR("OPCION INCORRECTA: {-l|-c|-ch}");
46 return -1; No newline at end of file
52 return -1;
47 } No newline at end of file
53 }
48 No newline at end of file
54
49 buff_peticion= (char *) malloc(strlen(comando)+1+strlen(valor)+1); // Se arma el buffer a ser enviado. No newline at end of file
55 buff_peticion= (char *) malloc(strlen(comando)+1+strlen(valor)+1); // Se arma el buffer a ser enviado.
50 strcpy(buff_peticion,comando); No newline at end of file
56 strcpy(buff_peticion,comando);
51 strcat(buff_peticion,valor); No newline at end of file
57 strcat(buff_peticion,valor);
52 No newline at end of file
58
53 /* Se establece el socket UDP */ No newline at end of file
59 /* Se establece el socket UDP */
54 conexion_clienteFD= socket(AF_INET,SOCK_DGRAM,0); No newline at end of file
60 conexion_clienteFD= socket(AF_INET,SOCK_DGRAM,0);
55 if (conexion_clienteFD == -1){ No newline at end of file
61 if (conexion_clienteFD == -1){
56 ERROR("No se pudo establecer el socket: socket()"); No newline at end of file
62 ERROR("No se pudo establecer el socket: socket()");
57 return -1; No newline at end of file
63 return -1;
58 } No newline at end of file
64 }
59
65
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66 /* Se establece el Broadcast con la funcion setsockpt() No newline at end of file
60 /* Se establece el Broadcast con la funcion setsockpt() */ No newline at end of file
61 resultado= setsockopt(conexion_clienteFD, SOL_SOCKET, SO_BROADCAST, &broadcast, sizeof(broadcast)); No newline at end of file
67 resultado= setsockopt(conexion_clienteFD, SOL_SOCKET, SO_BROADCAST, &broadcast, sizeof(broadcast));
62 if (resultado == -1){ No newline at end of file
68 if (resultado == -1){
63 ERROR("No se pudo establecer la opcion de Broadcast: setsockopt()"); No newline at end of file
69 ERROR("No se pudo establecer la opcion de Broadcast: setsockopt()");
64 return -1; No newline at end of file
70 return -1;
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 } No newline at end of file
93 }
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 /* Se procede a enviar el buffer */
95 /* Se procede a enviar el buffer */
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96 //numbytes_enviados= sendto(conexion_clienteFD,buff_peticion,strlen(buff_peticion),0,(struct sockaddr *)&inf_servidor,sizeof(inf_servidor));
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 if(numbytes_enviados == -1){ No newline at end of file
98 if(numbytes_enviados == -1){
76 ERROR("Error de envio de datos: sendto()"); No newline at end of file
99 ERROR("Error de envio de datos: sendto()");
77 return -1; No newline at end of file
100 return -1;
78 } No newline at end of file
101 }
79 No newline at end of file
102
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 close(conexion_clienteFD); No newline at end of file
111 close(conexion_clienteFD);
81 No newline at end of file
112
82 return 0; No newline at end of file
113 return 0;
83 } No newline at end of file
114 }
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