int main(int argc, char *argv[])
{
SOCKET sock = create_socket();
if (sock != INVALID_SOCKET)
{
if (connect_socket(&sock, IP_ADDR, PORT_NO, 10))
{
char buffer[256] = {0};
int n;
keyboard_read("Please enter the message: ", buffer, 255);
n = send_socket(&sock, buffer, strlen(buffer));
if (n >= 0)
{
memset((void*) buffer, 0, 256);
n = recv_socket(&sock, buffer, 256);
if (n >= 0)
{
printf("%s\n", buffer);
}
else
{
puts("ERROR reading from socket");
}
}
else
{
puts("ERROR writing to socket");
}
}
else
{
puts("ERROR connecting");
}
disconnect_socket(&sock);
}
else
{
puts("ERROR opening socket");
}
destroy_socket(&sock);
return 0;
}
int main(int argc, char *argv[])
{
WSADATA wsaData;
// Initialize Winsock
int iResult = WSAStartup(MAKEWORD(2,2), &wsaData);
if (iResult != 0) {
printf("WSAStartup failed with error: %d\n", iResult);
return 1;
}
SOCKET sockfd = create_socket();
if (sockfd != INVALID_SOCKET)
{
if (bind_socket(&sockfd, PORT_NO, 10))
{
SOCKET sockets[MAX_SOCKETS] = {INVALID_SOCKET};
int opened_sockets = 0;
while (1)
{
int idx, max;
if (opened_sockets < MAX_SOCKETS)
{
SOCKET new_sockfd = wait_connection(&sockfd);
if (new_sockfd != INVALID_SOCKET)
{
sockets[opened_sockets++] = new_sockfd;
}
//else if (errno != WSAETIMEDOUT)
{
//puts("ERROR waiting");
}
}
for (idx = 0, max = opened_sockets; idx < max; idx++)
{
if (sockets[idx] != INVALID_SOCKET)
{
if (do_processing(&sockets[idx])==-1)
{
if (errno != WSAETIMEDOUT)
{
printf("Disconnecting...\n");
disconnect_socket(&sockets[idx]);
sockets[idx] = sockets[opened_sockets-1];
sockets[opened_sockets-1] = INVALID_SOCKET;
opened_sockets--;
}
}
}
}
}
}
else
{
printf("ERROR binding\n");
}
disconnect_socket(&sockfd);
}
else
{
printf("ERROR opening socket\n");
}
destroy_socket(&sockfd);
return 0;
}
int main(int argc, char *argv[])
{
SOCKET sockfd = create_socket();
if (sockfd != INVALID_SOCKET)
{
if (bind_socket(&sockfd, PORT_NO, 10))
{
SOCKET sockets[MAX_SOCKETS] = {INVALID_SOCKET};
int opened_sockets = 0;
while (1)
{
int idx, max;
if (opened_sockets < MAX_SOCKETS)
{
SOCKET new_sockfd = wait_connection(&sockfd);
if (new_sockfd != INVALID_SOCKET)
{
sockets[opened_sockets++] = new_sockfd;
}
else if (WSAGetLastError() != WSAETIMEDOUT)
{
//printf("ERROR waiting\n");
}
}
for (idx = 0, max = opened_sockets; idx < max; idx++)
{
if (sockets[idx] != INVALID_SOCKET)
{
if (do_processing(&sockets[idx]) < 0)
{
printf("Disconnecting...\n");
disconnect_socket(&sockets[idx]);
sockets[idx] = sockets[opened_sockets-1];
sockets[opened_sockets-1] = INVALID_SOCKET;
opened_sockets--;
}
}
}
}
}
else
{
perror("ERROR binding");
}
disconnect_socket(&sockfd);
}
else
{
perror("ERROR opening socket");
}
destroy_socket(&sockfd);
return 0;
}
int main(int argc, char *argv[])
{
SOCKET sock = create_socket(), sockets[MAX_CLIENT] = {INVALID_SOCKET};
int num_clients = 0;
//cria e conecta o socket
if(sock != INVALID_SOCKET)
{
if(bind_socket(&sock, PORT_NO) == SOCKET_ERROR)
{
printf("ERROR binding\n");
exit(1);
}
else
{
listen(sock, MAX_CLIENT);
printf("Servidor iniciado.\n");
}
}
else
{
printf("ERROR opening socket");
exit(1);
}
//aceita conexões
puts("Esperando por conexoes...");
while (1)
{
int i, max;
if (num_clients < MAX_CLIENT)
{
SOCKET new_sockfd = wait_connection(&sock);
if(new_sockfd != INVALID_SOCKET)
{
sockets[num_clients++] = new_sockfd;
}
else if (WSAGetLastError() != WSAETIMEDOUT)
{
printf("ERROR waiting\n");
}
}
for (i = 0, max = num_clients; i < max; i++)
{
if (sockets[i] != INVALID_SOCKET)
{
if (!do_processing(&sockets[i]))
{
if (WSAGetLastError() != WSAETIMEDOUT)
{
printf("Disconnecting...\n");
disconnect_socket(&sockets[i]);
sockets[i] = sockets[num_clients-1];
sockets[num_clients-1] = INVALID_SOCKET;
num_clients--;
}
}
}
}
}
disconnect_socket(&sock);
destroy_socket(&sock);
return 0;
}
