| /* |
| * Copyright 2015 Twitter, Inc. |
| * |
| * Licensed 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 "basics/ridgen.h" |
| #include <sstream> |
| #include <string> |
| #include "glog/logging.h" |
| #include "kashmir/uuid.h" |
| #include "kashmir/devrandom.h" |
| |
| void REQID::assign(const std::string& _id) { |
| CHECK_EQ(_id.length(), REQID_size) << "ReqID should be " << REQID_size << " chars!"; |
| id_ = _id; |
| } |
| |
| REQID_Generator::REQID_Generator() { |
| using kashmir::system::DevRandom; |
| rands_ = reinterpret_cast<void*>(new DevRandom); |
| } |
| |
| REQID_Generator::~REQID_Generator() { |
| using kashmir::system::DevRandom; |
| |
| DevRandom* rs = reinterpret_cast<DevRandom*>(rands_); |
| delete rs; |
| } |
| |
| REQID |
| REQID_Generator::generate() { |
| using kashmir::system::DevRandom; |
| |
| // Generate a unique ID |
| kashmir::uuid_t uuid; |
| DevRandom* rs = reinterpret_cast<DevRandom*>(rands_); |
| (*rs) >> uuid; |
| |
| // Convert into string |
| std::ostringstream ss; |
| ss << uuid; |
| return REQID(ss.str()); |
| } |
| |
| REQID |
| REQID_Generator::generate_zero_reqid() { return REQID(); } |