Add QUIC server GetListenPort interface

Author: qwu16

quic_transport/docs/build_instructions.md

@@ -5,7 +5,7 @@
 - At least 50GB of free disk space.
 - High speed network connection.
 - Ubuntu 18.04 for Ubuntu build.
-- Chromium source code base 109.0.5393.1
+- Chromium source code base 109.0.5414.67
 
 ## Install dependencies
 
@@ -70,4 +70,4 @@ Then run `ninja -C out/debug/ owt_quic_transport` to build the SDK.
 
 ## Certificates
 
-Encryption is mandatory for QUIC connections. You may generate a testing certificate by running `net/tools/quic/certs/generate-certs.sh`. It valids for 72 hours.
+Encryption is mandatory for QUIC connections. You may generate a testing certificate by running `net/tools/quic/certs/generate-certs.sh`. It valids for 72 hours.

quic_transport/sdk/api/owt/quic/quic_transport_server_interface.h

@@ -29,6 +29,7 @@ class OWT_EXPORT QuicTransportServerInterface {
   virtual int Start() = 0;
   virtual void Stop() = 0;
   virtual void SetVisitor(Visitor* visitor) = 0;
+  virtual int GetListenPort() = 0;
 };
 }  // namespace quic
 }

quic_transport/sdk/impl/quic_transport_owt_server_impl.cc

@@ -142,6 +142,8 @@ void QuicTransportOwtServerImpl::StartOnCurrentThread() {
 
   socket_.swap(socket);
 
+  port_ = server_address_.port();
+
   dispatcher_.reset(new quic::QuicTransportOwtDispatcher(
       &config_, &crypto_config_, &version_manager_,
       std::unique_ptr<quic::QuicConnectionHelperInterface>(helper_),
@@ -218,6 +220,10 @@ void QuicTransportOwtServerImpl::OnSessionClosed(quic::QuicConnectionId sessionI
           base::Unretained(this), sessionId));
 }
 
+int QuicTransportOwtServerImpl::GetListenPort() {
+  return port_;
+}
+
 void QuicTransportOwtServerImpl::ScheduleReadPackets() {
   task_runner_->PostTask(FROM_HERE,
                          base::BindOnce(&QuicTransportOwtServerImpl::StartReading,

quic_transport/sdk/impl/quic_transport_owt_server_impl.h

@@ -62,6 +62,7 @@ class QuicTransportOwtServerImpl
   // Server deletion is imminent. Start cleaning up.
   void Stop() override;
   void SetVisitor(owt::quic::QuicTransportServerInterface::Visitor* visitor) override;
+  int GetListenPort() override;
 
   //Implement quic::QuicTransportOwtDispatcher::Visitor
   void OnSessionCreated(quic::QuicTransportOwtServerSession* session) override;
@@ -90,7 +91,7 @@ class QuicTransportOwtServerImpl
   void NewSessionCreated(quic::QuicTransportOwtServerSession* session);
   void SessionClosed(quic::QuicConnectionId sessionId);
 
-  const int port_;
+  int port_;
 
   quic::QuicVersionManager version_manager_;