receive

Receive data (up to buffer.length bytes) from a socket.

This is mainly used by connection-oriented sockets; it is identical to receive_from with address set to null.

For g_socket_type_datagram and g_socket_type_seqpacket sockets, receive will always read either 0 or 1 complete messages from the socket. If the received message is too large to fit in buffer, then the data beyond buffer.length bytes will be discarded, without any explicit indication that this has occurred.

For g_socket_type_stream sockets, receive can return any number of bytes, up to buffer.length. If more than buffer.length bytes have been received, the additional data will be returned in future calls to receive.

If the socket is in blocking mode the call will block until there is some data to receive, the connection is closed, or there is an error. If there is no data available and the socket is in non-blocking mode, a g_io_error_would_block error will be returned. To be notified when data is available, wait for the g_io_in condition.

On error -1 is returned and throws is set accordingly.

Parameters:

this	a Socket
buffer	a buffer to read data into (which should be at least buffer.length bytes long).
cancellable	a gcancellable or null
size	the number of bytes you want to read from the socket

Returns:

Number of bytes read, or 0 if the connection was closed by the peer, or -1 on error