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/*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (C) 2018, 2019 embedded brains GmbH
*
* 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.
*/
#include "client.h"
#include <arpa/inet.h>
#include <assert.h>
#include <fcntl.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <unistd.h>
#include <cstring>
static ssize_t ReadFile(int fd, void* buf, size_t n) {
return read(fd, buf, n);
}
static ssize_t ReadSocket(int fd, void* buf, size_t n) {
return recv(fd, buf, n, 0);
}
void Client::Open(const char* file) {
assert(fd_ == -1);
fd_ = open(file, O_RDONLY);
assert(fd_ >= 0);
reader_ = ReadFile;
}
void Client::Connect(const char* host, uint16_t port) {
assert(fd_ == -1);
fd_ = socket(PF_INET, SOCK_STREAM, 0);
assert(fd_ >= 0);
struct sockaddr_in in_addr;
memset(&in_addr, 0, sizeof(in_addr));
in_addr.sin_family = AF_INET;
in_addr.sin_port = htons(port);
in_addr.sin_addr.s_addr = inet_addr(host);
int rv = connect(fd_, (struct sockaddr*)&in_addr, sizeof(in_addr));
assert(rv == 0);
reader_ = ReadSocket;
}
void Client::Run() {
while (stop_ == 0) {
int buf[8192];
ssize_t n = (*reader_)(fd_, buf, sizeof(buf));
if (n > 0) {
rtems_record_client_run(&base_, buf, static_cast<size_t>(n));
} else {
break;
}
}
}
void Client::Destroy() {
int rv = close(fd_);
assert(rv == 0);
rtems_record_client_destroy(&base_);
}
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