| // 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. |
| |
| #ifndef CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_VPN_PROVIDER_MESSAGE_FILTER_CHROMEOS_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_VPN_PROVIDER_MESSAGE_FILTER_CHROMEOS_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "base/callback.h" |
| #include "base/containers/queue.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/task_runner.h" |
| #include "content/browser/renderer_host/pepper/browser_ppapi_host_impl.h" |
| #include "content/common/content_export.h" |
| #include "content/public/browser/vpn_service_proxy.h" |
| #include "ipc/ipc_message.h" |
| #include "ppapi/c/pp_instance.h" |
| #include "ppapi/c/ppb_vpn_provider.h" |
| #include "ppapi/host/host_message_context.h" |
| #include "ppapi/host/resource_host.h" |
| #include "ppapi/host/resource_message_filter.h" |
| #include "ppapi/shared_impl/vpn_provider_util.h" |
| #include "url/gurl.h" |
| |
| namespace content { |
| class BrowserContext; |
| |
| // The host for PPB_VpnProvider. |
| // Important: The PPB_VpnProvider API is available only on Chrome OS. |
| class CONTENT_EXPORT PepperVpnProviderMessageFilter |
| : public ppapi::host::ResourceMessageFilter { |
| public: |
| PepperVpnProviderMessageFilter(BrowserPpapiHostImpl* host, |
| PP_Instance instance); |
| |
| // ppapi::host::ResourceMessageFilter overrides. |
| scoped_refptr<base::TaskRunner> OverrideTaskRunnerForMessage( |
| const IPC::Message& message) override; |
| int32_t OnResourceMessageReceived( |
| const IPC::Message& msg, |
| ppapi::host::HostMessageContext* context) override; |
| |
| // PepperVpnProviderResourceHostProxyImpl entry points. |
| void SendOnPacketReceived(const std::vector<char>& packet); |
| void SendOnUnbind(); |
| |
| private: |
| using SuccessCallback = base::Closure; |
| using FailureCallback = |
| base::Callback<void(const std::string& error_name, |
| const std::string& error_message)>; |
| ~PepperVpnProviderMessageFilter() override; |
| |
| // Message handlers |
| int32_t OnBind(ppapi::host::HostMessageContext* context, |
| const std::string& configuration_id, |
| const std::string& configuration_name); |
| int32_t OnSendPacket(ppapi::host::HostMessageContext* context, |
| uint32_t packet_size, |
| uint32_t id); |
| int32_t OnPacketReceivedReply(ppapi::host::HostMessageContext* context, |
| uint32_t id); |
| // OnBind helpers |
| int32_t DoBind(SuccessCallback success_callback, |
| FailureCallback failure_callback); |
| void OnBindSuccess(const ppapi::host::ReplyMessageContext& context); |
| void OnBindFailure(const ppapi::host::ReplyMessageContext& context, |
| const std::string& error_name, |
| const std::string& error_message); |
| void OnBindReply(const ppapi::host::ReplyMessageContext& context, |
| int32_t reply); |
| |
| // OnSendPacket helpers |
| int32_t DoSendPacket(const std::vector<char>& packet, |
| SuccessCallback success_callback, |
| FailureCallback failure_callback); |
| void OnSendPacketSuccess(const ppapi::host::ReplyMessageContext& context, |
| uint32_t id); |
| void OnSendPacketFailure(const ppapi::host::ReplyMessageContext& context, |
| uint32_t id, |
| const std::string& error_name, |
| const std::string& error_message); |
| void OnSendPacketReply(const ppapi::host::ReplyMessageContext& context, |
| uint32_t id); |
| |
| // OnPacketReceived helper |
| void DoPacketReceived(const std::vector<char>& packet, uint32_t id); |
| |
| GURL document_url_; |
| std::string configuration_id_; |
| std::string configuration_name_; |
| |
| BrowserContext* browser_context_; |
| std::unique_ptr<VpnServiceProxy> vpn_service_proxy_; |
| |
| bool bound_; |
| std::unique_ptr<ppapi::VpnProviderSharedBuffer> send_packet_buffer_; |
| std::unique_ptr<ppapi::VpnProviderSharedBuffer> recv_packet_buffer_; |
| |
| base::queue<std::vector<char>> received_packets_; |
| |
| base::WeakPtrFactory<PepperVpnProviderMessageFilter> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PepperVpnProviderMessageFilter); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_VPN_PROVIDER_MESSAGE_FILTER_CHROMEOS_H_ |