Add AssignmentSource to BlimpClientContextImpl

blimp/client/core/blimp_client_context_impl.cc

 // Copyright 2016 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 "blimp/client/core/blimp_client_context_impl.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/sequenced_task_runner_handle.h"
 #include "blimp/client/core/contents/blimp_contents_impl.h"
 #include "blimp/client/core/session/cross_thread_network_event_observer.h"
 #include "blimp/client/public/blimp_client_context_delegate.h"
 
 #if defined(OS_ANDROID)
 #include "blimp/client/core/android/blimp_client_context_impl_android.h"
 #endif  // OS_ANDROID
 
 namespace blimp {
 namespace client {
 
+namespace {
+const char kDefaultAssignerUrl[] =
+    "https://blimp-pa.googleapis.com/v1/assignment";
+}  // namespace
+
 // This function is declared in //blimp/client/public/blimp_client_context.h,
 // and either this function or the one in
 // //blimp/client/core/dummy_blimp_client_context.cc should be linked in to
 // any binary using BlimpClientContext::Create.
 // static
 BlimpClientContext* BlimpClientContext::Create(
-    scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner) {
+    scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner,
+    scoped_refptr<base::SingleThreadTaskRunner> file_thread_task_runner) {
 #if defined(OS_ANDROID)
-  return new BlimpClientContextImplAndroid(io_thread_task_runner);
+  return new BlimpClientContextImplAndroid(io_thread_task_runner,
+                                           file_thread_task_runner);
 #else
-  return new BlimpClientContextImpl(io_thread_task_runner);
+  return new BlimpClientContextImpl(io_thread_task_runner,
+                                    file_thread_task_runner);
 #endif  // defined(OS_ANDROID)
 }
 
 BlimpClientContextImpl::BlimpClientContextImpl(
-    scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner)
+    scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner,
+    scoped_refptr<base::SingleThreadTaskRunner> file_thread_task_runner)
     : BlimpClientContext(),
+      delegate_(nullptr),
       io_thread_task_runner_(io_thread_task_runner),
+      file_thread_task_runner_(file_thread_task_runner),
       weak_factory_(this) {
   blimp_connection_statistics_ = new BlimpConnectionStatistics();
   net_components_.reset(new ClientNetworkComponents(
       base::MakeUnique<CrossThreadNetworkEventObserver>(
           weak_factory_.GetWeakPtr(), base::SequencedTaskRunnerHandle::Get()),
       base::WrapUnique(blimp_connection_statistics_)));
 
   // The |thread_pipe_manager_| must be set up correctly before features are
   // registered.
   thread_pipe_manager_ = base::MakeUnique<ThreadPipeManager>(
@@ skipping 14 matching lines @@
   delegate_ = delegate;
 }
 
 std::unique_ptr<BlimpContents> BlimpClientContextImpl::CreateBlimpContents() {
   std::unique_ptr<BlimpContents> blimp_contents =
       base::MakeUnique<BlimpContentsImpl>();
   delegate_->AttachBlimpContentsHelpers(blimp_contents.get());
   return blimp_contents;
 }
 
+void BlimpClientContextImpl::Connect(const std::string& client_auth_token) {
+  if (!assignment_source_) {
+    assignment_source_.reset(new AssignmentSource(
+        GetAssignerURL(), io_thread_task_runner_, file_thread_task_runner_));
+  }
+
+  VLOG(1) << "Trying to get assignment.";
+  assignment_source_->GetAssignment(
+      client_auth_token,
+      base::Bind(&BlimpClientContextImpl::ConnectWithAssignment,
+                 weak_factory_.GetWeakPtr()));
+}
+
 void BlimpClientContextImpl::OnConnected() {}
 
 void BlimpClientContextImpl::OnDisconnected(int result) {}
 
+GURL BlimpClientContextImpl::GetAssignerURL() {
+  return GURL(kDefaultAssignerUrl);
+}
+
+void BlimpClientContextImpl::ConnectWithAssignment(
+    AssignmentRequestResult result,
+    const Assignment& assignment) {
+  VLOG(1) << "Assignment result: " << result;
+
+  if (delegate_) {
+    delegate_->OnAssignmentConnectionAttempted(result, assignment);
+  }
+
+  if (result != ASSIGNMENT_REQUEST_RESULT_OK) {
+    LOG(ERROR) << "Assignment failed, reason: " << result;
+    return;
+  }
+
+  io_thread_task_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&ClientNetworkComponents::ConnectWithAssignment,
+                 base::Unretained(net_components_.get()), assignment));
+}
+
 }  // namespace client
 }  // namespace blimp