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Fix Multicast on machines with multiple network interfaces #1185

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Fix Multicast on machines with multiple network interfaces #1185

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0006363
Update juce_Socket.h
lukasklingebiel Jan 9, 2023
ab1bf01
Update juce_Socket.cpp
lukasklingebiel Jan 9, 2023
fc0c238
Merge branch 'juce-framework:master' into master
lukasklingebiel Dec 4, 2024
6875f5f
Merge branch 'juce-framework:master' into master
lukasklingebiel Sep 2, 2025
4b0973f
Merge branch 'juce-framework:master' into master
lukasklingebiel Sep 15, 2025
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16 changes: 16 additions & 0 deletions modules/juce_core/network/juce_Socket.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -797,6 +797,14 @@ bool DatagramSocket::joinMulticast (const String& multicastIPAddress)

return SocketHelpers::multicast (handle, multicastIPAddress, lastBindAddress, true);
}

bool DatagramSocket::joinMulticast (const String& multicastIPAddress, const String& localIPAddress)
{
if (handle < 0 || ! isBound)
return false;

return SocketHelpers::multicast (handle, multicastIPAddress, localIPAddress, true);
}

bool DatagramSocket::leaveMulticast (const String& multicastIPAddress)
{
Expand All @@ -805,6 +813,14 @@ bool DatagramSocket::leaveMulticast (const String& multicastIPAddress)

return SocketHelpers::multicast (handle, multicastIPAddress, lastBindAddress, false);
}

bool DatagramSocket::leaveMulticast (const String& multicastIPAddress, const String& localIPAddress)
{
if (handle < 0 || ! isBound)
return false;

return SocketHelpers::multicast (handle, multicastIPAddress, localIPAddress, false);
}

bool DatagramSocket::setMulticastLoopbackEnabled (bool enable)
{
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4 changes: 4 additions & 0 deletions modules/juce_core/network/juce_Socket.h
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Original file line number Diff line number Diff line change
Expand Up @@ -425,12 +425,16 @@ class JUCE_API DatagramSocket final
@returns true if it succeeds
*/
bool joinMulticast (const String& multicastIPAddress);

bool joinMulticast (const String& multicastIPAddress, const String& localIPAddress);

/** Leave a multicast group.

@returns true if it succeeds
*/
bool leaveMulticast (const String& multicastIPAddress);

bool leaveMulticast (const String& multicastIPAddress, const String& localIPAddress);

/** Enables or disables multicast loopback.

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