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75 lines
2.6 KiB
75 lines
2.6 KiB
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#include "ProtoServer.h"
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namespace paddle {
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void ProtoServer::handleRequest(std::unique_ptr<MsgReader> msgReader,
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ResponseCallback callback) {
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/// 0 for funcName
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/// 1 for proto
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CHECK_GE(msgReader->getNumBlocks(), (size_t)2);
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std::string funcName(msgReader->getNextBlockLength(), 0);
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/// read function name string
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msgReader->readNextBlock(&funcName[0]);
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/// looking up rpc wrapped callback function
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auto it = nameToFuncMap_.find(funcName);
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if (it != nameToFuncMap_.end()) {
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#ifndef PADDLE_DISABLE_TIMER
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gettimeofday(&(*(handleRequestBegin_)), nullptr);
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#endif
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it->second(std::move(msgReader), callback);
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} else {
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LOG(ERROR) << "Unknown funcName: " << funcName;
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std::vector<iovec> iovs;
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callback(iovs);
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}
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}
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void ProtoServer::registerServiceFunctionImp(const std::string& funcName,
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ServiceFunction func) {
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CHECK(!nameToFuncMap_.count(funcName)) << "Duplicated registration: "
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<< funcName;
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nameToFuncMap_[funcName] = func;
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}
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void ProtoClient::send(const char* funcName,
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const google::protobuf::MessageLite& proto,
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const std::vector<iovec>& userIovs) {
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std::string protoStr;
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CHECK(proto.SerializeToString(&protoStr));
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std::vector<iovec> iovs;
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iovs.reserve(iovs.size() + 2);
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/// sending function name string, protobuf data and user additional data
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iovs.push_back({(void*)funcName, strlen(funcName)});
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iovs.push_back({&protoStr[0], protoStr.size()});
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iovs.insert(iovs.end(), userIovs.begin(), userIovs.end());
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channel_->writeMessage(iovs);
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}
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std::unique_ptr<MsgReader> ProtoClient::recv(
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google::protobuf::MessageLite* proto) {
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std::vector<iovec> iovs;
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std::unique_ptr<MsgReader> msgReader = channel_->readMessage();
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CHECK_GE(msgReader->getNumBlocks(), (size_t)1);
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std::string str(msgReader->getNextBlockLength(), 0);
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msgReader->readNextBlock(&str[0]);
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CHECK(proto->ParseFromString(str));
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return msgReader;
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}
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} // namespace paddle
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