gRPC C++ | How to get server ip from connected client in case of multiple listening ports ?

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Hi,

I have a server with multiple listening ports:

for (auto &address : addresses) {

  builder.AddListeningPort(address, credentials);

}

I would like to identify on which listening port of server a client is connected.
We can get a connected client address by using: ServerContext::peer()

Similarly, I tried to get server address by using FromServerContext(*m_serverContext)->peer() after successful authentication, but the string was empty.

Is there any way to get server address ?