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113 lines
2.8 KiB
C++
113 lines
2.8 KiB
C++
/*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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/******************************************************************************
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* File: logger.h
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* Description: Interface for logging output
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*****************************************************************************/
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#ifndef SRSLTE_LOGGER_H
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#define SRSLTE_LOGGER_H
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#include "buffer_pool.h"
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#include <memory>
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#include <stdio.h>
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#include <string>
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namespace srslte {
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class logger
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{
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public:
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const static uint32_t preallocated_log_str_size = 1024;
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logger() : pool(16 * 1024) {}
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virtual ~logger() = default;
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class log_str
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{
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public:
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log_str(const char* msg_ = nullptr, uint32_t size_ = 0)
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{
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size = size_ ? size_ : preallocated_log_str_size;
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msg = new char[size];
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if (msg_) {
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strncpy(msg, msg_, size);
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} else {
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msg[0] = '\0';
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}
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}
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log_str(const log_str&) = delete;
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log_str& operator=(const log_str&) = delete;
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~log_str() { delete[] msg; }
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void reset() { msg[0] = '\0'; }
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char* str() { return msg; }
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uint32_t get_buffer_size() { return size; }
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#ifdef SRSLTE_BUFFER_POOL_LOG_ENABLED
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char debug_name[SRSLTE_BUFFER_POOL_LOG_NAME_LEN] = {};
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#endif
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private:
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uint32_t size;
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char* msg;
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};
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typedef buffer_pool<log_str> log_str_pool_t;
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class log_str_deleter
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{
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public:
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explicit log_str_deleter(log_str_pool_t* pool_ = nullptr) : pool(pool_) {}
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void operator()(log_str* buf)
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{
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if (buf) {
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if (pool) {
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buf->reset();
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pool->deallocate(buf);
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} else {
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delete buf;
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}
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}
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}
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private:
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log_str_pool_t* pool;
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};
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typedef std::unique_ptr<log_str, log_str_deleter> unique_log_str_t;
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void log_char(const char* msg) { log(unique_log_str_t(new log_str(msg), log_str_deleter())); }
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virtual void log(unique_log_str_t msg) = 0;
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log_str_pool_t& get_pool() { return pool; }
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unique_log_str_t allocate_unique_log_str()
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{
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return unique_log_str_t(pool.allocate(), logger::log_str_deleter(&pool));
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}
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private:
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log_str_pool_t pool;
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};
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} // namespace srslte
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#endif // SRSLTE_LOGGER_H
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