sync: abort active HTTP requests on shutdown.

chrome/browser/sync/internal_api/syncapi_server_connection_manager_unittest.cc

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/sync/engine/net/syncapi_server_connection_manager.h"
+
+#include "base/bind.h"
+#include "base/synchronization/waitable_event.h"
+#include "base/test/test_timeouts.h"
+#include "base/threading/thread.h"
+#include "base/time.h"
+#include "chrome/browser/sync/engine/http_post_provider_factory.h"
+#include "chrome/browser/sync/engine/http_post_provider_interface.h"
+#include "net/base/net_errors.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using base::TimeDelta;
+using browser_sync::HttpResponse;
+using browser_sync::ServerConnectionManager;
+using browser_sync::ScopedServerStatusWatcher;
+
+namespace sync_api {
+namespace {
+
+class BlockingHttpPost : public HttpPostProviderInterface {
+ public:
+  BlockingHttpPost() : wait_for_abort_(false, false) {}
+  virtual ~BlockingHttpPost() {}
+
+  virtual void SetUserAgent(const char* user_agent) OVERRIDE {}

[akalin, 2011/08/31 21:10:03]

#include "base/compiler_specific.h" for override

+  virtual void SetExtraRequestHeaders(const char* headers) OVERRIDE {}
+  virtual void SetURL(const char* url, int port) OVERRIDE {}
+  virtual void SetPostPayload(const char* content_type,
+                              int content_length,
+                              const char* content) OVERRIDE {}
+  virtual bool MakeSynchronousPost(int* os_error_code, int* response_code)
+      OVERRIDE {
+    wait_for_abort_.TimedWait(TimeDelta::FromMilliseconds(
+        TestTimeouts::action_max_timeout_ms()));
+    *os_error_code = net::ERR_ABORTED;
+    return false;
+  }
+  virtual int GetResponseContentLength() const OVERRIDE {
+    return 0;
+  }
+  virtual const char* GetResponseContent() const OVERRIDE {
+    return "";
+  }
+  virtual const std::string GetResponseHeaderValue(
+      const std::string& name) const OVERRIDE {
+    return "";
+  }
+  virtual void Abort() OVERRIDE {
+    wait_for_abort_.Signal();
+  }
+ private:
+  base::WaitableEvent wait_for_abort_;
+};
+
+class BlockingHttpPostFactory : public HttpPostProviderFactory {
+ public:
+  virtual ~BlockingHttpPostFactory() {}
+  virtual HttpPostProviderInterface* Create() OVERRIDE {
+    return new BlockingHttpPost();
+  }
+  virtual void Destroy(HttpPostProviderInterface* http) OVERRIDE {
+    delete http;
+  }
+};
+
+void CallTerminateAllIO(ServerConnectionManager* scm) {
+  scm->TerminateAllIO();
+}
+
+}  // namespace
+
+TEST(SyncAPIServerConnectionManagerTest, EarlyAbortPost) {
+  SyncAPIServerConnectionManager server(
+      "server", 0, true, "1", new BlockingHttpPostFactory());
+
+  std::string buffer_out;
+  HttpResponse http_response;
+  ServerConnectionManager::PostBufferParams params = {
+    "testbuffer", &buffer_out, &http_response
+  };
+  ScopedServerStatusWatcher watcher(&server, &http_response);
+
+  server.TerminateAllIO();
+  bool result = server.PostBufferToPath(
+      &params, "/testpath", "testauth", &watcher);
+
+  EXPECT_FALSE(result);
+  EXPECT_EQ(HttpResponse::CONNECTION_UNAVAILABLE,
+            params.response->server_status);
+}
+
+TEST(SyncAPIServerConnectionManagerTest, EarlyAbortCheckTime) {
+  SyncAPIServerConnectionManager server(
+      "server", 0, true, "1", new BlockingHttpPostFactory());
+  int32 time = 0;
+  server.TerminateAllIO();
+  bool result = server.CheckTime(&time);
+  EXPECT_FALSE(result);
+}
+
+TEST(SyncAPIServerConnectionManagerTest, AbortPost) {
+  SyncAPIServerConnectionManager server(
+      "server", 0, true, "1", new BlockingHttpPostFactory());
+
+  std::string buffer_out;
+  HttpResponse http_response;
+  ServerConnectionManager::PostBufferParams params = {
+    "testbuffer", &buffer_out, &http_response
+  };
+  ScopedServerStatusWatcher watcher(&server, &http_response);
+
+  base::Thread abort_thread("Test_AbortThread");
+  ASSERT_TRUE(abort_thread.Start());
+  abort_thread.message_loop()->PostDelayedTask(
+      FROM_HERE,
+      base::Bind(&CallTerminateAllIO, &server),

[akalin, 2011/08/31 21:10:03]

why not base::Bind(&ServerConnectionManager::TerminateAllIO,
base::Unretained(&server))?

+      TestTimeouts::tiny_timeout_ms());
+
+  bool result = server.PostBufferToPath(
+      &params, "/testpath", "testauth", &watcher);
+
+  EXPECT_FALSE(result);
+  EXPECT_EQ(HttpResponse::CONNECTION_UNAVAILABLE,
+            params.response->server_status);
+  abort_thread.Stop();
+}
+
+TEST(SyncAPIServerConnectionManagerTest, AbortCheckTime) {
+  SyncAPIServerConnectionManager server(
+      "server", 0, true, "1", new BlockingHttpPostFactory());
+
+  base::Thread abort_thread("Test_AbortThread");
+  ASSERT_TRUE(abort_thread.Start());
+  abort_thread.message_loop()->PostDelayedTask(
+      FROM_HERE,
+      base::Bind(&CallTerminateAllIO, &server),
+      TestTimeouts::tiny_timeout_ms());
+
+  int32 time = 0;
+  bool result = server.CheckTime(&time);
+  EXPECT_FALSE(result);
+  abort_thread.Stop();
+}
+
+}  // namespace sync_api