| /************************************************************ |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| #include "singa/singa_config.h" |
| #ifdef ENABLE_DIST |
| |
| #include <cstdlib> |
| #include <cstring> |
| |
| #include <atomic> |
| |
| #include "singa/io/network.h" |
| #include "singa/utils/integer.h" |
| |
| namespace singa { |
| |
| Message::Message(Message &&msg) { |
| std::swap(msize_, msg.msize_); |
| std::swap(psize_, msg.psize_); |
| std::swap(msg_, msg.msg_); |
| std::swap(type_, msg.type_); |
| std::swap(id_, msg.id_); |
| } |
| |
| Message::Message(int type, uint32_t ack_msg_id) : type_(type), id_(ack_msg_id) { |
| if (type_ == MSG_ACK) |
| appendInteger(mdata_, type_, id_); |
| } |
| |
| Message::~Message() { |
| if (msg_) |
| free(msg_); |
| } |
| |
| std::size_t Message::getSize() { |
| if (type_ == MSG_ACK) |
| return sizeof(type_) + sizeof(id_); |
| else |
| return this->hsize_ + this->psize_ + this->msize_; |
| } |
| |
| void Message::setId(uint32_t id) { |
| this->id_ = id; |
| appendInteger(msg_, type_, id_); |
| } |
| |
| void Message::setMetadata(const void *buf, int size) { |
| this->msize_ = size; |
| msg_ = (char *)malloc(this->getSize()); |
| appendInteger(msg_, type_, id_, msize_, psize_); |
| memcpy(msg_ + hsize_, buf, size); |
| } |
| |
| void Message::setPayload(const void *buf, int size) { |
| this->psize_ = size; |
| msg_ = (char *)realloc(msg_, this->getSize()); |
| appendInteger(msg_ + hsize_ - sizeof(psize_), psize_); |
| memcpy(msg_ + hsize_ + msize_, buf, size); |
| } |
| |
| std::size_t Message::getMetadata(void **p) { |
| if (this->msize_ == 0) |
| *p = nullptr; |
| else |
| *p = msg_ + hsize_; |
| return this->msize_; |
| } |
| |
| std::size_t Message::getPayload(void **p) { |
| if (this->psize_ == 0) |
| *p = nullptr; |
| else |
| *p = msg_ + hsize_ + msize_; |
| return this->psize_; |
| } |
| } |
| |
| #endif // ENABLE_DIST |