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// Copyright (c) 2012 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 "ppapi/proxy/resource_message_test_sink.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/proxy/resource_message_params.h"
#include "ppapi/proxy/serialized_handle.h"
namespace ppapi {
namespace proxy {
namespace {
// Backend for GetFirstResource[Call|Reply]Matching.
template<class WrapperMessage, class Params>
bool GetFirstResourceMessageMatching(const ResourceMessageTestSink& sink,
uint32 id,
Params* params,
IPC::Message* nested_msg) {
for (size_t i = 0; i < sink.message_count(); i++) {
const IPC::Message* msg = sink.GetMessageAt(i);
if (msg->type() == WrapperMessage::ID) {
Params cur_params;
IPC::Message cur_msg;
WrapperMessage::Read(msg, &cur_params, &cur_msg);
if (cur_msg.type() == id) {
*params = cur_params;
*nested_msg = cur_msg;
return true;
}
}
}
return false;
}
} // namespace
ResourceMessageTestSink::ResourceMessageTestSink() {
}
ResourceMessageTestSink::~ResourceMessageTestSink() {
}
bool ResourceMessageTestSink::Send(IPC::Message* msg) {
int message_id = 0;
scoped_ptr<IPC::MessageReplyDeserializer> reply_deserializer;
if (msg->is_sync()) {
reply_deserializer.reset(
static_cast<IPC::SyncMessage*>(msg)->GetReplyDeserializer());
message_id = IPC::SyncMessage::GetMessageId(*msg);
}
bool result = IPC::TestSink::Send(msg); // Deletes |msg|.
if (sync_reply_msg_.get()) {
// |sync_reply_msg_| should always be a reply to the pending sync message.
DCHECK(IPC::SyncMessage::IsMessageReplyTo(*sync_reply_msg_.get(),
message_id));
reply_deserializer->SerializeOutputParameters(*sync_reply_msg_.get());
sync_reply_msg_.reset(NULL);
}
return result;
}
void ResourceMessageTestSink::SetSyncReplyMessage(IPC::Message* reply_msg) {
DCHECK(!sync_reply_msg_.get());
sync_reply_msg_.reset(reply_msg);
}
bool ResourceMessageTestSink::GetFirstResourceCallMatching(
uint32 id,
ResourceMessageCallParams* params,
IPC::Message* nested_msg) const {
return GetFirstResourceMessageMatching<PpapiHostMsg_ResourceCall,
ResourceMessageCallParams>(
*this, id, params, nested_msg);
}
bool ResourceMessageTestSink::GetFirstResourceReplyMatching(
uint32 id,
ResourceMessageReplyParams* params,
IPC::Message* nested_msg) {
return GetFirstResourceMessageMatching<PpapiPluginMsg_ResourceReply,
ResourceMessageReplyParams>(
*this, id, params, nested_msg);
}
ResourceSyncCallHandler::ResourceSyncCallHandler(
ResourceMessageTestSink* test_sink,
uint32 incoming_type,
int32_t result,
const IPC::Message& reply_msg)
: test_sink_(test_sink),
incoming_type_(incoming_type),
result_(result),
serialized_handle_(NULL),
reply_msg_(reply_msg) {
}
ResourceSyncCallHandler::~ResourceSyncCallHandler() {
}
bool ResourceSyncCallHandler::OnMessageReceived(const IPC::Message& msg) {
if (msg.type() != PpapiHostMsg_ResourceSyncCall::ID)
return false;
PpapiHostMsg_ResourceSyncCall::Schema::SendParam send_params;
bool success = PpapiHostMsg_ResourceSyncCall::ReadSendParam(
&msg, &send_params);
DCHECK(success);
ResourceMessageCallParams call_params = send_params.a;
IPC::Message call_msg = send_params.b;
if (call_msg.type() != incoming_type_)
return false;
IPC::Message* wrapper_reply_msg = IPC::SyncMessage::GenerateReply(&msg);
ResourceMessageReplyParams reply_params(call_params.pp_resource(),
call_params.sequence());
reply_params.set_result(result_);
if (serialized_handle_)
reply_params.AppendHandle(*serialized_handle_);
PpapiHostMsg_ResourceSyncCall::WriteReplyParams(
wrapper_reply_msg, reply_params, reply_msg_);
test_sink_->SetSyncReplyMessage(wrapper_reply_msg);
// Stash a copy of the message for inspection later.
last_handled_msg_ = call_msg;
return true;
}
} // namespace proxy
} // namespace ppapi
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