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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2018, 2019 embedded brains GmbH (http://www.embedded-brains.de)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef RTEMS_TOOLS_TRACE_RECORD_CLIENT_H_
#define RTEMS_TOOLS_TRACE_RECORD_CLIENT_H_
#include <rtems/recordclient.h>
#include <rtems/recorddata.h>
#include <sys/types.h>
#include <cerrno>
#include <csignal>
#include <cstring>
#include <iostream>
#include <stdexcept>
#include <string>
class ErrnoException : public std::runtime_error {
public:
ErrnoException(std::string msg)
: std::runtime_error(msg + ": " + std::strerror(errno)) {
// Nothing to do
}
};
class FileDescriptor {
public:
FileDescriptor() = default;
FileDescriptor(const FileDescriptor&) = delete;
FileDescriptor& operator=(const FileDescriptor&) = delete;
void Open(const char* file);
void Connect(const char* host, uint16_t port);
ssize_t Read(void* buf, size_t n) { return (*reader_)(fd_, buf, n); }
void Destroy();
private:
int fd_ = -1;
ssize_t (*reader_)(int fd, void* buf, size_t n) = nullptr;
};
class Client {
public:
Client() = default;
Client(const Client&) = delete;
Client& operator=(const Client&) = delete;
void Open(const char* file) { input_.Open(file); }
void Connect(const char* host, uint16_t port) { input_.Connect(host, port); }
void Run();
void RequestStop() { stop_ = 1; }
void Destroy();
void set_limit(uint64_t limit) { limit_ = limit; }
protected:
void Initialize(rtems_record_client_handler handler) {
rtems_record_client_init(&base_, handler, this);
}
size_t data_size() const { return base_.data_size; };
private:
rtems_record_client_context base_;
FileDescriptor input_;
sig_atomic_t stop_ = 0;
uint64_t limit_ = 0;
};
#endif // RTEMS_TOOLS_TRACE_RECORD_CLIENT_H_
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