components/arc: implement multi advertising

device/bluetooth/dbus/fake_bluetooth_le_advertising_manager_client.cc

 // Copyright 2015 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 "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "dbus/bus.h"
 #include "dbus/message.h"
 #include "dbus/object_proxy.h"
 #include "device/bluetooth/dbus/fake_bluetooth_le_advertisement_service_provider.h"
 #include "device/bluetooth/dbus/fake_bluetooth_le_advertising_manager_client.h"
 #include "third_party/cros_system_api/dbus/service_constants.h"
 
 namespace bluez {
 
 namespace {
 
 constexpr char kAdvertisingManagerPath[] = "/fake/hci0";
 constexpr uint16_t kMinIntervalMs = 20;
 constexpr uint16_t kMaxIntervalMs = 10240;
 
+constexpr size_t kMaxBluezAdvertisements = 5;
+
 }  // namespace
 
 FakeBluetoothLEAdvertisingManagerClient::
     FakeBluetoothLEAdvertisingManagerClient() {}
 
 FakeBluetoothLEAdvertisingManagerClient::
     ~FakeBluetoothLEAdvertisingManagerClient() {}
 
 void FakeBluetoothLEAdvertisingManagerClient::Init(dbus::Bus* bus) {}
 
@@ skipping 12 matching lines @@
   if (manager_object_path != dbus::ObjectPath(kAdvertisingManagerPath)) {
     error_callback.Run(kNoResponseError, "Invalid Advertising Manager path.");
     return;
   }
 
   ServiceProviderMap::iterator iter =
       service_provider_map_.find(advertisement_object_path);
   if (iter == service_provider_map_.end()) {
     error_callback.Run(bluetooth_advertising_manager::kErrorInvalidArguments,
                        "Advertisement object not registered");
-  } else if (!currently_registered_.value().empty()) {
+  } else if (currently_registered_.size() > kMaxBluezAdvertisements) {

[Rahul Chaturvedi, 2016/09/30 19:51:08]

Should this be >=?

[Eric Caruso, 2016/09/30 20:08:29]

Yep. Awkward.

     error_callback.Run(bluetooth_advertising_manager::kErrorFailed,
                        "Maximum advertisements reached");
   } else {
-    currently_registered_ = advertisement_object_path;
+    currently_registered_.push_back(advertisement_object_path);
     base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, callback);
   }
 }
 
 void FakeBluetoothLEAdvertisingManagerClient::UnregisterAdvertisement(
     const dbus::ObjectPath& manager_object_path,
     const dbus::ObjectPath& advertisement_object_path,
     const base::Closure& callback,
     const ErrorCallback& error_callback) {
   VLOG(1) << "UnregisterAdvertisment: " << advertisement_object_path.value();
 
   if (manager_object_path != dbus::ObjectPath(kAdvertisingManagerPath)) {
     error_callback.Run(kNoResponseError, "Invalid Advertising Manager path.");
     return;
   }
 
-  ServiceProviderMap::iterator iter =
-      service_provider_map_.find(advertisement_object_path);
-  if (iter == service_provider_map_.end()) {
+  auto service_iter = service_provider_map_.find(advertisement_object_path);
+  auto reg_iter =
+      std::find(currently_registered_.begin(), currently_registered_.end(),
+                advertisement_object_path);
+
+  if (service_iter == service_provider_map_.end()) {
     error_callback.Run(bluetooth_advertising_manager::kErrorDoesNotExist,
                        "Advertisement not registered");
-  } else if (advertisement_object_path != currently_registered_) {
+  } else if (reg_iter == currently_registered_.end()) {
     error_callback.Run(bluetooth_advertising_manager::kErrorDoesNotExist,
                        "Does not exist");
   } else {
-    currently_registered_ = dbus::ObjectPath("");
+    currently_registered_.erase(reg_iter);
     base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, callback);
   }
 }
 
 void FakeBluetoothLEAdvertisingManagerClient::SetAdvertisingInterval(
     const dbus::ObjectPath& object_path,
     uint16_t min_interval_ms,
     uint16_t max_interval_ms,
     const base::Closure& callback,
     const ErrorCallback& error_callback) {
@@ skipping 15 matching lines @@
 void FakeBluetoothLEAdvertisingManagerClient::
     UnregisterAdvertisementServiceProvider(
         FakeBluetoothLEAdvertisementServiceProvider* service_provider) {
   ServiceProviderMap::iterator iter =
       service_provider_map_.find(service_provider->object_path_);
   if (iter != service_provider_map_.end() && iter->second == service_provider)
     service_provider_map_.erase(iter);
 }
 
 }  // namespace bluez