static bool us_tool_send_osc_tcpslip(
struct addrinfo *dest_addr,
us_buffer_t *buf
)
{
bool r=false;
int s;
uint8_t slipped_mem[4096];
int l;
us_buffer_t slipped_buffer;
us_buffer_init(&slipped_buffer, 0, slipped_mem, sizeof( slipped_mem ) );
us_slip_encode(&slipped_buffer, buf);
l = us_buffer_readable_count( &slipped_buffer );
s = us_net_create_tcp_socket(dest_addr, false);
if ( s>=0 )
{
if ( connect(s, dest_addr->ai_addr, dest_addr->ai_addrlen)>=0 )
{
r=true;
r&=us_net_blocking_send(s, slipped_buffer.m_buffer, l );
if ( !r )
{
us_stderr->printf( us_stderr, "Error sending slipped packet to TCP socket: %s\n", strerror(errno) );
}
}
else
{
r=false;
us_stderr->printf( us_stderr, "Error connecting: %s\n", strerror(errno) );
}
closesocket(s);
}
return r;
}
int us_socket_collection_add_tcp_client( us_socket_collection_t *self,
const char *remote_addr_name,
const char *remote_port_name,
void *context )
{
int fd = -1;
// make sure we have room before trying anything
if ( self->num_sockets < US_SOCKET_COLLECTION_MAX_SOCKETS )
{
// get the address of the remote
struct addrinfo *remote_addr;
remote_addr = us_net_get_addrinfo( remote_addr_name, remote_port_name, SOCK_STREAM, false );
// create the tcp client socket for this kind of address
fd = us_net_create_tcp_socket( remote_addr, false );
// did it work?
if ( fd != -1 )
{
// yes, try initiate a connect
int con_result;
// we are doing a non blocking connect
us_net_set_socket_nonblocking( fd );
// try connect, ignore signals during this time
do
{
con_result = connect( fd, remote_addr->ai_addr, remote_addr->ai_addrlen );
} while ( con_result == -1 && errno == EINTR );
// If the connect succeeded or it is in progress, then track this fd
if ( con_result == 0 || ( con_result == -1 && errno == EINPROGRESS ) )
{
// Add the fd to the collection
if ( !us_socket_collection_add_fd( self, fd, context ) )
{
// unable to add the fd to the collection, close the socket
closesocket( fd );
fd = -1;
}
}
}
}
return fd;
}
static bool us_tool_send_osc_tcp(
struct addrinfo *dest_addr,
us_buffer_t *buf
)
{
bool r=false;
int s = us_net_create_tcp_socket(dest_addr, false);
if ( s>=0 )
{
if ( connect(s, dest_addr->ai_addr, dest_addr->ai_addrlen)>=0 )
{
uint8_t length[4];
int len=us_buffer_readable_count( buf );
r=true;
length[0] = US_GET_BYTE_3( len );
length[1] = US_GET_BYTE_2( len );
length[2] = US_GET_BYTE_1( len );
length[3] = US_GET_BYTE_0( len );
r&=us_net_blocking_send(s, length, sizeof(length) );
if ( r )
{
r&=us_net_blocking_send(s, buf->m_buffer, len );
}
if ( !r )
{
us_stderr->printf( us_stderr, "Error sending to TCP socket: %s\n", strerror(errno) );
}
}
else
{
r=false;
us_stderr->printf( us_stderr, "Error connecting: %s\n", strerror(errno) );
}
closesocket(s);
}
return r;
}
