network_tcp.h File Reference

#include <open62541/client.h>
#include <open62541/plugin/log.h>
#include <open62541/server.h>

Go to the source code of this file.

Functions
_UA_BEGIN_DECLS UA_ServerNetworkLayer	UA_ServerNetworkLayerTCP (UA_ConnectionConfig config, UA_UInt16 port, UA_UInt16 maxConnections)
UA_Connection	UA_ClientConnectionTCP_init (UA_ConnectionConfig config, const UA_String endpointUrl, UA_UInt32 timeout, const UA_Logger *logger)
UA_StatusCode	UA_ClientConnectionTCP_poll (UA_Connection *connection, UA_UInt32 timeout, const UA_Logger *logger)

Function Documentation

UA_ServerNetworkLayerTCP()

_UA_BEGIN_DECLS UA_ServerNetworkLayer UA_ServerNetworkLayerTCP	(	UA_ConnectionConfig	config,
		UA_UInt16	port,
		UA_UInt16	maxConnections )

This work is licensed under a Creative Commons CCZero 1.0 Universal License.

See http://creativecommons.org/publicdomain/zero/1.0/ for more information.

Copyright 2016 (c) Fraunhofer IOSB (Author: Julius Pfrommer) Copyright 2020 (c) HMS Industrial Networks AB (Author: Jonas Green) Initializes a TCP network layer.

Parameters

config	The connection config.
port	The TCP port to listen to.
maxConnections	Maximum number of TCP connections this network layer instance is allowed to allocate. Set to 0 for unlimited number of connections.
logger	Pointer to a logger

Returns

Returns the network layer instance

UA_ClientConnectionTCP_init()

UA_Connection UA_ClientConnectionTCP_init	(	UA_ConnectionConfig	config,
		const UA_String	endpointUrl,
		UA_UInt32	timeout,
		const UA_Logger *	logger )

Open a non-blocking client TCP socket.

The connection might not be fully opened yet. Drop into the _poll function withe a timeout to complete the connection.

UA_ClientConnectionTCP_poll()

UA_StatusCode UA_ClientConnectionTCP_poll	(	UA_Connection *	connection,
		UA_UInt32	timeout,
		const UA_Logger *	logger )

Wait for a half-opened connection to fully open.

Returns UA_STATUSCODE_GOOD even if the timeout was hit. Returns UA_STATUSCODE_BADDISCONNECT if the connection is lost.