Delete TurnPort usage of AsyncInvoker

Bug: webrtc:12339
Change-Id: I098b5f4b58c3ac0c275157c0c9d5a280b1cbef97
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/212440
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Taylor <deadbeef@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33524}

p2p/base/turn_port.cc

@@ -28,6 +28,7 @@
 #include "rtc_base/net_helpers.h"
 #include "rtc_base/socket_address.h"
 #include "rtc_base/strings/string_builder.h"
+#include "rtc_base/task_utils/to_queued_task.h"
 #include "system_wrappers/include/field_trial.h"
 
 namespace cricket {
@@ -1288,11 +1289,11 @@ void TurnPort::ScheduleEntryDestruction(TurnEntry* entry) {
   RTC_DCHECK(!entry->destruction_timestamp().has_value());
   int64_t timestamp = rtc::TimeMillis();
   entry->set_destruction_timestamp(timestamp);
-  invoker_.AsyncInvokeDelayed<void>(
+  thread()->PostDelayedTask(ToQueuedTask(task_safety_.flag(),
-      RTC_FROM_HERE, thread(),
                                          [this, entry, timestamp] {
-        DestroyEntryIfNotCancelled(entry, timestamp);
+                                           DestroyEntryIfNotCancelled(
-      },
+                                               entry, timestamp);
+                                         }),
                             TURN_PERMISSION_TIMEOUT);
 }
 

p2p/base/turn_port.h

@@ -23,10 +23,10 @@
 #include "absl/memory/memory.h"
 #include "p2p/base/port.h"
 #include "p2p/client/basic_port_allocator.h"
-#include "rtc_base/async_invoker.h"
 #include "rtc_base/async_packet_socket.h"
 #include "rtc_base/async_resolver_interface.h"
 #include "rtc_base/ssl_certificate.h"
+#include "rtc_base/task_utils/pending_task_safety_flag.h"
 
 namespace webrtc {
 class TurnCustomizer;
@@ -227,9 +227,6 @@ class TurnPort : public Port {
 
   rtc::AsyncPacketSocket* socket() const { return socket_; }
 
-  // For testing only.
-  rtc::AsyncInvoker* invoker() { return &invoker_; }
-
   // Signal with resolved server address.
   // Parameters are port, server address and resolved server address.
   // This signal will be sent only if server address is resolved successfully.
@@ -415,8 +412,6 @@ class TurnPort : public Port {
   // The number of retries made due to allocate mismatch error.
   size_t allocate_mismatch_retries_;
 
-  rtc::AsyncInvoker invoker_;
-
   // Optional TurnCustomizer that can modify outgoing messages. Once set, this
   // must outlive the TurnPort's lifetime.
   webrtc::TurnCustomizer* turn_customizer_ = nullptr;
@@ -429,6 +424,8 @@ class TurnPort : public Port {
   // to be more easy to work with.
   std::string turn_logging_id_;
 
+  webrtc::ScopedTaskSafety task_safety_;
+
   friend class TurnEntry;
   friend class TurnAllocateRequest;
   friend class TurnRefreshRequest;

p2p/base/turn_port_unittest.cc

@@ -634,6 +634,11 @@ class TurnPortTest : public ::testing::Test,
                                                     Port::ORIGIN_MESSAGE);
     Connection* conn2 = turn_port_->CreateConnection(udp_port_->Candidates()[0],
                                                      Port::ORIGIN_MESSAGE);
+
+    // Increased to 10 minutes, to ensure that the TurnEntry times out before
+    // the TurnPort.
+    turn_port_->set_timeout_delay(10 * 60 * 1000);
+
     ASSERT_TRUE(conn2 != NULL);
     ASSERT_TRUE_SIMULATED_WAIT(turn_create_permission_success_, kSimulatedRtt,
                                fake_clock_);
@@ -650,11 +655,11 @@ class TurnPortTest : public ::testing::Test,
     EXPECT_TRUE_SIMULATED_WAIT(turn_unknown_address_, kSimulatedRtt,
                                fake_clock_);
 
-    // Flush all requests in the invoker to destroy the TurnEntry.
+    // Wait for TurnEntry to expire. Timeout is 5 minutes.
     // Expect that it still processes an incoming ping and signals the
     // unknown address.
     turn_unknown_address_ = false;
-    turn_port_->invoker()->Flush(rtc::Thread::Current());
+    fake_clock_.AdvanceTime(webrtc::TimeDelta::Seconds(5 * 60));
     conn1->Ping(0);
     EXPECT_TRUE_SIMULATED_WAIT(turn_unknown_address_, kSimulatedRtt,
                                fake_clock_);