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juce_Socket.h
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2022 - Raw Material Software Limited
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 The code included in this file is provided under the terms of the ISC license
11 http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12 To use, copy, modify, and/or distribute this software for any purpose with or
13 without fee is hereby granted provided that the above copyright notice and
14 this permission notice appear in all copies.
15
16 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18 DISCLAIMED.
19
20 ==============================================================================
21*/
22
23 namespace juce
24{
25
34 class JUCE_API SocketOptions
35{
36 public:
44 [[nodiscard]] SocketOptions withReceiveBufferSize (int size) const
45 {
46 return withMember (*this, &SocketOptions::receiveBufferSize, size);
47 }
48
54 [[nodiscard]] SocketOptions withSendBufferSize (int size) const
55 {
56 return withMember (*this, &SocketOptions::sendBufferSize, size);
57 }
58
60 [[nodiscard]] auto getReceiveBufferSize() const { return receiveBufferSize; }
61
63 [[nodiscard]] auto getSendBufferSize() const { return sendBufferSize; }
64
65 private:
66 std::optional<int> receiveBufferSize;
67 std::optional<int> sendBufferSize;
68};
69
70//==============================================================================
81 class JUCE_API StreamingSocket final
82{
83 public:
84 using Options = SocketOptions;
85
86 //==============================================================================
96 StreamingSocket();
97
108 explicit StreamingSocket (const SocketOptions& optionsIn)
109 : options { optionsIn }
110 {}
111
113 ~StreamingSocket();
114
115 //==============================================================================
121 bool bindToPort (int localPortNumber);
122
134 bool bindToPort (int localPortNumber, const String& localAddress);
135
144 int getBoundPort() const noexcept;
145
154 bool connect (const String& remoteHostname,
155 int remotePortNumber,
156 int timeOutMillisecs = 3000);
157
159 bool isConnected() const noexcept { return connected; }
160
162 void close();
163
165 const String& getHostName() const noexcept { return hostName; }
166
168 int getPort() const noexcept { return portNumber; }
169
171 bool isLocal() const noexcept;
172
174 int getRawSocketHandle() const noexcept { return handle; }
175
176 //==============================================================================
188 int waitUntilReady (bool readyForReading, int timeoutMsecs);
189
200 int read (void* destBuffer, int maxBytesToRead,
201 bool blockUntilSpecifiedAmountHasArrived);
202
210 int write (const void* sourceBuffer, int numBytesToWrite);
211
212 //==============================================================================
226 bool createListener (int portNumber, const String& localHostName = String());
227
237 StreamingSocket* waitForNextConnection() const;
238
239 private:
240 //==============================================================================
241 SocketOptions options;
242 String hostName;
243 std::atomic<int> portNumber { 0 }, handle { -1 };
244 std::atomic<bool> connected { false }, isListener { false };
245 mutable CriticalSection readLock;
246
247 StreamingSocket (const String& hostname, int portNumber, int handle, const SocketOptions& options);
248
249 JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (StreamingSocket)
250};
251
252
253//==============================================================================
264 class JUCE_API DatagramSocket final
265{
266 public:
267 using Options = SocketOptions;
268
269 //==============================================================================
279 DatagramSocket (bool enableBroadcasting, const SocketOptions& optionsIn);
280
289 explicit DatagramSocket (bool enableBroadcasting)
290 : DatagramSocket (enableBroadcasting, SocketOptions{})
291 {}
292
300 DatagramSocket() : DatagramSocket (false)
301 {}
302
304 ~DatagramSocket();
305
306 //==============================================================================
315 bool bindToPort (int localPortNumber);
316
328 bool bindToPort (int localPortNumber, const String& localAddress);
329
337 int getBoundPort() const noexcept;
338
340 int getRawSocketHandle() const noexcept { return handle; }
341
342 //==============================================================================
354 int waitUntilReady (bool readyForReading, int timeoutMsecs);
355
366 int read (void* destBuffer, int maxBytesToRead,
367 bool blockUntilSpecifiedAmountHasArrived);
368
380 int read (void* destBuffer, int maxBytesToRead,
381 bool blockUntilSpecifiedAmountHasArrived,
382 String& senderIPAddress, int& senderPortNumber);
383
391 int write (const String& remoteHostname, int remotePortNumber,
392 const void* sourceBuffer, int numBytesToWrite);
393
408 void shutdown();
409
410 //==============================================================================
415 bool joinMulticast (const String& multicastIPAddress);
416
421 bool leaveMulticast (const String& multicastIPAddress);
422
427 bool setMulticastLoopbackEnabled (bool enableLoopback);
428
429 //==============================================================================
438 bool setEnablePortReuse (bool enabled);
439
440 private:
441 //==============================================================================
442 SocketOptions options;
443 std::atomic<int> handle { -1 };
444 bool isBound = false;
445 String lastBindAddress, lastServerHost;
446 int lastServerPort = -1;
447 void* lastServerAddress = nullptr;
448 mutable CriticalSection readLock;
449
450 JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DatagramSocket)
451};
452
453} // namespace juce
juce::DatagramSocket
Definition juce_Socket.h:265
juce::DatagramSocket::DatagramSocket
DatagramSocket(bool enableBroadcasting)
Definition juce_Socket.h:289
juce::DatagramSocket::DatagramSocket
DatagramSocket()
Definition juce_Socket.h:300
juce::SocketOptions
Definition juce_Socket.h:35
juce::SocketOptions::withSendBufferSize
SocketOptions withSendBufferSize(int size) const
Definition juce_Socket.h:54
juce::SocketOptions::getSendBufferSize
auto getSendBufferSize() const
Definition juce_Socket.h:63
juce::SocketOptions::withReceiveBufferSize
SocketOptions withReceiveBufferSize(int size) const
Definition juce_Socket.h:44
juce::SocketOptions::getReceiveBufferSize
auto getReceiveBufferSize() const
Definition juce_Socket.h:60
juce::StreamingSocket
Definition juce_Socket.h:82
juce::StreamingSocket::getPort
int getPort() const noexcept
Definition juce_Socket.h:168
juce::StreamingSocket::getHostName
const String & getHostName() const noexcept
Definition juce_Socket.h:165
juce::StreamingSocket::StreamingSocket
StreamingSocket(const SocketOptions &optionsIn)
Definition juce_Socket.h:108
juce::String
Definition juce_String.h:53