server_socket_write(sock, tx_data)
Features
This function transmits data to the client.
Parameters
| Parameter Name | Data Type | Default Value | Description |
|---|---|---|---|
sock | socket.socket | - | Socket instance returned from server_socket_open() socket instance |
tx_data | byte | - | Data to be transmitted
|
Return
| Value | Description |
|---|---|
0 | Success |
-1 | The client is not connected. |
-2 | client is disconnected, or socket.error occurred during a data transfer |
Exception
| Exception | Description |
|---|---|
DR_Error (DR_ERROR_TYPE) | Parameter data type error occurred |
Example
PY
sock = server_socket_open(20002)
server_socket_write(sock, b"1234abcd") # b means the byte type.
msg = "abcd" # msg is a string variable.
server_socket_write(sock, msg.encode()) # encode() converts a string type to a byte type.
server_socket_close(sock)