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/*******************************************************************************
Copyright(c) 2022 Ludovic Pollet. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*******************************************************************************/
#include <system_error>
#include <sys/wait.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "utils.h"
#include "IndiServerController.h"
#define TEST_TCP_PORT 17624
#define TEST_UNIX_SOCKET "/tmp/indi-test-server"
#define TEST_INDI_FIFO "/tmp/indi-test-fifo"
#define STRINGIFY_TOK(x) #x
#define TO_STRING(x) STRINGIFY_TOK(x)
IndiServerController::IndiServerController() {
fifo = false;
}
IndiServerController::~IndiServerController() {
// Abort any pending indi server
kill();
join();
}
void IndiServerController::setFifo(bool fifo) {
this->fifo = fifo;
}
void IndiServerController::start(const std::vector<std::string> & args) {
ProcessController::start("../indiserver/indiserver", args);
}
void IndiServerController::startDriver(const std::string & path) {
std::vector<std::string> args = { "-p", TO_STRING(TEST_TCP_PORT), "-r", "0", "-vvv" };
#ifdef ENABLE_INDI_SHARED_MEMORY
args.push_back("-u");
args.push_back(TEST_UNIX_SOCKET);
#endif
if (fifo) {
unlink(TEST_INDI_FIFO);
if (mkfifo(TEST_INDI_FIFO, 0600) == -1) {
throw std::system_error(errno, std::generic_category(), "mkfifo");
}
args.push_back("-f");
args.push_back(TEST_INDI_FIFO);
}
args.push_back(path);
start(args);
}
void IndiServerController::addDriver(const std::string & driver) {
if (!fifo) {
throw new std::runtime_error("Fifo is not enabled - cannot add driver");
}
int fifoFd = open(TEST_INDI_FIFO, O_WRONLY);
if (fifoFd == -1) {
throw std::system_error(errno, std::generic_category(), "opening fifo");
}
std::string cmd = "start " + driver +"\n";
int wr = write(fifoFd, cmd.data(), cmd.length());
if (wr == -1) {
auto e = errno;
close(fifoFd);
throw std::system_error(e, std::generic_category(), "write to fifo");
}
close(fifoFd);
}
std::string IndiServerController::getUnixSocketPath() const {
return TEST_UNIX_SOCKET;
}
int IndiServerController::getTcpPort() const {
return TEST_TCP_PORT;
}
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