juicysfplugin/modules/juce_events/interprocess/juce_InterprocessConnectionServer.h

107 lines
3.8 KiB
C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
//==============================================================================
/**
An object that waits for client sockets to connect to a port on this host, and
creates InterprocessConnection objects for each one.
To use this, create a class derived from it which implements the createConnectionObject()
method, so that it creates suitable connection objects for each client that tries
to connect.
@see InterprocessConnection
@tags{Events}
*/
class JUCE_API InterprocessConnectionServer : private Thread
{
public:
//==============================================================================
/** Creates an uninitialised server object.
*/
InterprocessConnectionServer();
/** Destructor. */
~InterprocessConnectionServer();
//==============================================================================
/** Starts an internal thread which listens on the given port number.
While this is running, if another process tries to connect with the
InterprocessConnection::connectToSocket() method, this object will call
createConnectionObject() to create a connection to that client.
Use stop() to stop the thread running.
@param portNumber The port on which the server will receive
connections
@param bindAddress The address on which the server will listen
for connections. An empty string indicates
that it should listen on all addresses
assigned to this machine.
@see createConnectionObject, stop
*/
bool beginWaitingForSocket (int portNumber, const String& bindAddress = String());
/** Terminates the listener thread, if it's active.
@see beginWaitingForSocket
*/
void stop();
/** Returns the local port number to which this server is currently bound.
This is useful if you need to know to which port the OS has actually bound your
socket when calling beginWaitingForSocket with a port number of zero.
Returns -1 if the function fails.
*/
int getBoundPort() const noexcept;
protected:
/** Creates a suitable connection object for a client process that wants to
connect to this one.
This will be called by the listener thread when a client process tries
to connect, and must return a new InterprocessConnection object that will
then run as this end of the connection.
@see InterprocessConnection
*/
virtual InterprocessConnection* createConnectionObject() = 0;
private:
//==============================================================================
std::unique_ptr<StreamingSocket> socket;
void run() override;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (InterprocessConnectionServer)
};
} // namespace juce