[260] | 1 | #include "server.h" |
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| 2 | |
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| 3 | int main(int argc, char* argv[]) |
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| 4 | { |
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| 5 | /* fd -> file descriptor */ |
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| 6 | int socket_server_fd = (int)NULL, |
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| 7 | socket_server_port = (int)NULL, |
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| 8 | socket_accept_fd = (int)NULL, |
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| 9 | sockaddr_in_size = sizeof(struct sockaddr_in), |
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| 10 | err = (int)NULL; |
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| 11 | |
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| 12 | /* Internet socket address stuct */ |
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| 13 | struct sockaddr_in server_addr, |
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| 14 | accept_addr; |
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| 15 | |
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| 16 | struct client * clients = (struct client *) NULL, |
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| 17 | * atual = (struct client *) NULL; |
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| 18 | pthread_t threads; |
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| 19 | |
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| 20 | /* clear screen */ |
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| 21 | system(__CLEAR_SCREEN__); |
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| 22 | |
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| 23 | if ( argc != 2 || (socket_server_port = strtol(argv[1], 0, 10)) == 0 ) |
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| 24 | usage(); |
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| 25 | |
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| 26 | /* make a socket */ |
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| 27 | socket_server_fd = socket(AF_INET, SOCK_STREAM, 0); |
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| 28 | if ( socket_server_fd == SOCKET_ERROR ) |
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| 29 | { |
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| 30 | printf("\nCould not make a socket\n"); |
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| 31 | return 0; |
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| 32 | } |
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| 33 | |
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| 34 | bzero((char *) &server_addr, sockaddr_in_size); |
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| 35 | bzero((char *) &accept_addr, sockaddr_in_size); |
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| 36 | |
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| 37 | /* fill address struct */ |
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| 38 | //server_addr.sin_addr.s_addr = inet_aton("10.15.20.42");//INADDR_ANY; |
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| 39 | //inet_aton(INADDR_ANY, &server_addr.sin_addr);//INADDR_ANY; |
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| 40 | server_addr.sin_addr.s_addr = INADDR_ANY; |
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| 41 | server_addr.sin_port = htons(socket_server_port); |
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| 42 | server_addr.sin_family = AF_INET; |
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| 43 | |
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| 44 | printf("\nBinding to port %d...\n", socket_server_port); |
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| 45 | |
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| 46 | /* bind to a port */ |
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| 47 | if ( bind(socket_server_fd, (struct sockaddr *)&server_addr, sizeof(server_addr)) == SOCKET_ERROR ) |
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| 48 | { |
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| 49 | printf("\nCould not connect to host\n"); |
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| 50 | exit(1); |
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| 51 | } |
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| 52 | |
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| 53 | /* get port number */ |
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| 54 | getsockname(socket_server_fd, (struct sockaddr *)&server_addr, (socklen_t *)&sockaddr_in_size); |
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| 55 | printf("\nopened socket as fd (%d) on port (%d) for stream i/o\n", socket_server_fd, ntohs(server_addr.sin_port)); |
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| 56 | |
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| 57 | printf("Server\n\ |
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| 58 | sin_family = %d\n\ |
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| 59 | sin_addr.s_addr = %d\n\ |
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| 60 | sin_port = %d\n" |
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| 61 | , server_addr.sin_family |
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| 62 | , server_addr.sin_addr.s_addr |
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| 63 | , ntohs(server_addr.sin_port) |
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| 64 | ); |
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| 65 | printf("\nMaking a listen queue of %d elements", QUEUE_SIZE); |
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| 66 | |
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| 67 | /* establish listen queue */ |
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| 68 | if ( listen(socket_server_fd, QUEUE_SIZE) == SOCKET_ERROR ) |
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| 69 | { |
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| 70 | printf("\nCould not listen\n"); |
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| 71 | return 0; |
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| 72 | } |
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| 73 | |
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| 74 | for ( ; ; ) |
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| 75 | { |
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| 76 | puts("\nWaiting for a connection\n"); |
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| 77 | |
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| 78 | /* get the connected socket */ |
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| 79 | socket_accept_fd = accept(socket_server_fd, (struct sockaddr *) &accept_addr, (socklen_t *) &sockaddr_in_size); |
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| 80 | if ( socket_accept_fd > -1 ) |
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| 81 | { |
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| 82 | /* |
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| 83 | char ip[46]; |
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| 84 | unsigned short port; |
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| 85 | printf("%d\n\n", inet_ntoa(server_addr.sin_addr.s_addr)); |
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| 86 | printf("%d\n\n", inet_ntoa(accept_addr.sin_addr.s_addr)); |
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| 87 | inet_ntop (AF_INET, &accept_addr.sin_addr, ip, sizeof (ip)); |
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| 88 | port = ntohs(accept_addr.sin_port); |
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| 89 | printf("connection from %s, port %hu\n", ip, port); |
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| 90 | */ |
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| 91 | |
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| 92 | |
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| 93 | /* |
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| 94 | if ( close(socket_accept_fd) == SOCKET_ERROR ) |
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| 95 | printf("\nCould not close socket\n"); |
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| 96 | */ |
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| 97 | |
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| 98 | if ( clients == (struct client *) NULL ) |
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| 99 | atual = clients; |
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| 100 | else |
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| 101 | while ( (atual = clients->next) != (struct client *) NULL ); |
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| 102 | |
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| 103 | atual = (struct client *) malloc(sizeof(struct client)); |
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| 104 | atual->next = (struct client *) NULL; |
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| 105 | atual->fd = socket_accept_fd; |
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| 106 | atual->sockaddr = accept_addr; |
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| 107 | atual->last = time(NULL); |
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| 108 | |
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| 109 | pthread_create(&threads, NULL, handler, (void *)atual); |
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| 110 | //clients = (struct client *)NULL; |
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| 111 | } |
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| 112 | puts("jah era #5"); |
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| 113 | } |
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| 114 | pthread_exit(NULL); |
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| 115 | } |
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| 116 | |
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| 117 | void * handler(void * pClient) |
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| 118 | { |
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| 119 | char pBuffer[BUFFER_SIZE]; |
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| 120 | struct client * client = (struct client *) pClient; |
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| 121 | int i = 0, err; |
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| 122 | time_t last; |
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| 123 | |
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| 124 | char ip[46]; |
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| 125 | unsigned short port; |
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| 126 | //printf("%d\n\n", inet_ntoa(client->fd)); |
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| 127 | //printf("%d\n\n", inet_ntoa(client->sockaddr.sin_addr.s_addr)); |
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| 128 | inet_ntop(AF_INET, &client->sockaddr.sin_addr, ip, sizeof (ip)); |
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| 129 | port = ntohs(client->sockaddr.sin_port); |
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| 130 | printf("\nGot a connection from %s, port %hu\n", ip, port); |
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| 131 | |
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| 132 | if ( close(client->fd) == SOCKET_ERROR ) |
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| 133 | { |
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| 134 | printf("\nCould not close socket\n"); |
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| 135 | return 0; |
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| 136 | } |
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| 137 | |
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| 138 | fflush(stdin); |
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| 139 | fflush(stdout); |
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| 140 | free(client); |
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| 141 | pthread_exit(NULL); |
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| 142 | /* |
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| 143 | |
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| 144 | last = time(NULL); |
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| 145 | while ( time(NULL) - client->last < 10 ) |
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| 146 | { |
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| 147 | printf("%s\n\n", "teste"); |
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| 148 | sleep(1); |
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| 149 | } |
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| 150 | |
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| 151 | client->last = time(NULL); |
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| 152 | */ |
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| 153 | |
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| 154 | /** |
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| 155 | * number returned by read() and write() is the number of bytes |
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| 156 | * read or written, with -1 being that an error occured |
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| 157 | * write what we received back to the server |
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| 158 | **/ |
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| 159 | |
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| 160 | /* |
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| 161 | strcpy(pBuffer, MESSAGE); |
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| 162 | printf("\nSending \"%s\" to client\n",pBuffer); |
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| 163 | write(client->hSocket, pBuffer, strlen(pBuffer)+1); |
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| 164 | */ |
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| 165 | |
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| 166 | /* read from socket into buffer */ |
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| 167 | /*read(client->hSocket, pBuffer, sizeof(pBuffer)); |
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| 168 | |
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| 169 | printf("Received from client: %s\n", pBuffer); |
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| 170 | |
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| 171 | if ( strcmp(pBuffer, MESSAGE) == 0 ) |
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| 172 | printf("The messages match\n"); |
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| 173 | else |
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| 174 | printf("Something was changed in the message\n"); |
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| 175 | */ |
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| 176 | |
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| 177 | /*while (i < 10) |
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| 178 | { |
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| 179 | printf("%d\n", i); |
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| 180 | usleep(1000000); |
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| 181 | i++; |
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| 182 | }*/ |
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| 183 | |
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| 184 | /* close socket */ |
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| 185 | /*printf("\nClosing the socket"); |
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| 186 | if ( close(client->hSocket) == SOCKET_ERROR ) |
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| 187 | { |
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| 188 | printf("\nCould not close socket\n"); |
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| 189 | return 0; |
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| 190 | } |
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| 191 | |
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| 192 | fflush(stdin); |
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| 193 | fflush(stdout); |
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| 194 | free(client); |
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| 195 | pthread_exit(NULL); |
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| 196 | */ |
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| 197 | } |
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