70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
#ifndef __COMFORTABLE_SWIPE__service_stop__
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#define __COMFORTABLE_SWIPE__service_stop__
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/*
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Comfortable Swipe
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by Rico Tiongson
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <array> // std::array
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#include <cstdio> // std::FILE, std::feof, std::fgets
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#include <cstdlib> // std::atoi, std::system
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#include <memory> // std::unique_ptr
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#include <stdexcept> // std::runtime_error
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#include <string> // std::string, std::to_string
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#include <unistd.h> // popen, pclose, getpid
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namespace comfortable_swipe::service {
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/**
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* Stops all comfortable-swipe instances.
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*/
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void stop() {
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// read all service names from process (pgrep)
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std::array<char, 128> buffer;
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std::unique_ptr<FILE, decltype(&pclose)> pipe(
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popen("pgrep -f \"$(which comfortable-swipe)\"", "r"), pclose);
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// make sure pipe exists
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if (!pipe)
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throw std::runtime_error("stop command failed");
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// buffer what to kill
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std::string kill = "";
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// read until end of line
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while (!std::feof(pipe.get())) {
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if (std::fgets(buffer.data(), buffer.size(), pipe.get()) != NULL) {
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int pid = std::atoi(buffer.data());
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if (pid != getpid()) {
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kill += " ";
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kill += std::to_string(pid);
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}
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}
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}
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// run "kill {pid1} {pid2}..."
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if (kill.length()) {
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std::printf("Stopped%s\n", kill.c_str());
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(void)std::system(("kill" + kill).c_str());
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} else {
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std::printf("No program to stop\n");
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}
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}
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} // namespace comfortable_swipe::service
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#endif /* __COMFORTABLE_SWIPE__service_stop__ */
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