int swClient_tcp_connect(swClient *cli, char *host, int port, float timeout, int nonblock)
{
int ret;
cli->serv_addr.sin_family = cli->sock_domain;
cli->serv_addr.sin_port = htons(port);
cli->serv_addr.sin_addr.s_addr = inet_addr(host);
cli->timeout = timeout;
swSetTimeout(cli->sock, timeout);
if(nonblock == 1)
{
swSetNonBlock(cli->sock);
}
else
{
swSetBlock(cli->sock);
}
while (1)
{
ret = connect(cli->sock, (struct sockaddr *) (&cli->serv_addr), sizeof(cli->serv_addr));
if (ret < 0)
{
if (errno == EINTR)
{
continue;
}
}
break;
}
return ret;
}
static int swClient_tcp_connect_sync(swClient *cli, char *host, int port, double timeout, int nonblock)
{
int ret;
cli->timeout = timeout;
if (swClient_inet_addr(cli, host, port) < 0)
{
return SW_ERR;
}
if (nonblock == 1)
{
swSetNonBlock(cli->socket->fd);
}
else
{
if (cli->timeout > 0)
{
swSocket_set_timeout(cli->socket->fd, timeout);
}
swSetBlock(cli->socket->fd);
}
while (1)
{
ret = connect(cli->socket->fd, (struct sockaddr *) &cli->server_addr.addr, cli->server_addr.len);
if (ret < 0)
{
if (errno == EINTR)
{
continue;
}
}
break;
}
if (ret >= 0)
{
cli->socket->active = 1;
#ifdef SW_USE_OPENSSL
if (cli->open_ssl)
{
if (swClient_enable_ssl_encrypt(cli) < 0)
{
return SW_ERR;
}
if (swClient_ssl_handshake(cli) < 0)
{
return SW_ERR;
}
}
#endif
}
return ret;
}
static int swClient_tcp_connect(swClient *cli, char *host, int port, double timeout, int nonblock)
{
int ret;
cli->timeout = timeout;
if (swClient_inet_addr(cli, host, port) < 0)
{
return SW_ERR;
}
if (nonblock == 1)
{
swSetNonBlock(cli->connection.fd);
}
else
{
if (cli->timeout > 0)
{
swSetTimeout(cli->connection.fd, timeout);
}
swSetBlock(cli->connection.fd);
}
while (1)
{
ret = connect(cli->connection.fd, (struct sockaddr *) &cli->server_addr.addr, cli->server_addr.len);
if (ret < 0)
{
if (errno == EINTR)
{
continue;
}
}
break;
}
if (ret >= 0)
{
cli->connection.active = 1;
}
return ret;
}
static int swClient_tcp_connect_sync(swClient *cli, char *host, int port, double timeout, int nonblock)
{
int ret, n;
char buf[1024];
cli->timeout = timeout;
if (swClient_inet_addr(cli, host, port) < 0)
{
return SW_ERR;
}
if (nonblock == 1)
{
swSetNonBlock(cli->socket->fd);
}
else
{
if (cli->timeout > 0)
{
swSocket_set_timeout(cli->socket->fd, timeout);
}
swSetBlock(cli->socket->fd);
}
while (1)
{
ret = connect(cli->socket->fd, (struct sockaddr *) &cli->server_addr.addr, cli->server_addr.len);
if (ret < 0)
{
if (errno == EINTR)
{
continue;
}
}
break;
}
if (ret >= 0)
{
cli->socket->active = 1;
//socks5 proxy
if (cli->socks5_proxy)
{
swSocks5_pack(buf, cli->socks5_proxy->username == NULL ? 0x00 : 0x02);
if (cli->send(cli, buf, 3, 0) < 0)
{
return SW_ERR;
}
cli->socks5_proxy->state = SW_SOCKS5_STATE_HANDSHAKE;
while (1)
{
n = cli->recv(cli, buf, sizeof(buf), 0);
if (n > 0)
{
if (swSocks5_connect(cli, buf, n) < 0)
{
return SW_ERR;
}
else
{
if (cli->socks5_proxy->state == SW_SOCKS5_STATE_READY)
{
break;
}
else
{
continue;
}
}
}
return SW_ERR;
}
}
#ifdef SW_USE_OPENSSL
if (cli->open_ssl)
{
if (swClient_enable_ssl_encrypt(cli) < 0)
{
return SW_ERR;
}
if (swClient_ssl_handshake(cli) < 0)
{
return SW_ERR;
}
}
#endif
}
return ret;
}
