233 lines
4.8 KiB
C++
233 lines
4.8 KiB
C++
/*
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* This file is a part of Winix
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* and is distributed under the 2-Clause BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2008-2018, Tomasz Sowa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <cstdlib>
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#include <ctime>
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#include <iostream>
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#include <fstream>
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#include <sys/param.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "core/app.h"
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#include "core/version.h"
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#include "utf8/utf8.h"
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namespace Winix
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{
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/*
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application object
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*/
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App app;
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void print_syntax()
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{
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std::cout << "Syntax:" << std::endl;
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std::cout << " winix config_file" << std::endl;
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}
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void CreateNewDescriptor(int des_dst, int flags)
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{
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int descriptor;
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descriptor = open("/dev/null", flags | O_NOCTTY);
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if( descriptor != -1 )
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{
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dup2(descriptor, des_dst);
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if( descriptor != des_dst )
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close(descriptor);
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}
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}
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void CloseDescriptors()
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{
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close(0);
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close(1);
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close(2);
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app.stdout_is_closed = true;
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CreateNewDescriptor(0, O_RDONLY);
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CreateNewDescriptor(1, O_WRONLY);
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CreateNewDescriptor(2, O_WRONLY);
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}
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void LogInfo(Log & log, LogManipulators log_level, const char * msg, bool put_version, const char * msg2)
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{
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log << log_level;
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log.PrintDate(pt::Date(std::time(0)));
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log << ' ' << msg;
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if( put_version )
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{
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log << ' ' << WINIX_VER_MAJOR
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<< '.' << WINIX_VER_MINOR
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<< '.' << WINIX_VER_REVISION;
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}
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log << ' ' << msg2 << logend;
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}
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void SavePidFile(Log & log)
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{
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if( !app.config.pid_file.empty() )
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{
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std::string file_name;
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pt::wide_to_utf8(app.config.pid_file, file_name);
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std::ofstream file(file_name);
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if( !file )
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{
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log << log1 << "I cannot save the pid to a file: " << app.config.pid_file << logend;
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}
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else
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{
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file << getpid() << "\n";
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file.close();
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log << log3 << "Process pid saved to: " << app.config.pid_file << logend;
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}
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}
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}
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void RemovePidFile()
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{
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if( !app.config.pid_file.empty() )
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{
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std::string file_name;
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pt::wide_to_utf8(app.config.pid_file, file_name);
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unlink(file_name.c_str());
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}
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}
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} // namespace Winix
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int main(int argv, char ** argc)
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{
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using Winix::app;
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std::srand(std::time(0));
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if( argv != 2 )
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{
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Winix::print_syntax();
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return 1;
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}
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app.system.system_start = time(0);
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if( !pt::utf8_to_wide(argc[1], app.config.config_file) )
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{
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std::wcout << "An incorrect UTF-8 path of the config file" << std::endl;
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return 6;
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}
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if( !app.config.ReadConfig(true, false) ) /* errors to stdout, stdout in not closed */
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return 2;
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Winix::Log & log = app.GetMainLog();
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app.InitLoggers();
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if( app.stdout_is_closed || app.config.demonize )
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app.config.log_stdout = false;
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if( !app.config.log_stdout )
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Winix::CloseDescriptors();
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if( app.config.demonize && !app.Demonize() )
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return 4;
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Winix::LogInfo(log, Winix::log3, "booting Winix", true, "");
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if( !app.InitFCGI() )
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return 5;
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if( !app.DropPrivileges() )
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return 3;
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app.LogUserGroups();
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Winix::SavePidFile(log);
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// load plugins before loading sessions - session_manager.LoadSessions()
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// because some of the plugins can init its own sessions dates
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app.InitPlugins();
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// app.Init() starts other threads as well (they will be waiting on the lock)
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if( !app.Init() )
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{
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Winix::RemovePidFile();
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return 1;
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}
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app.StartThreads();
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// now we have more threads, we should use Lock() and Unlock()
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// saving all starting logs
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app.Lock();
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Winix::LogInfo(log, Winix::log1, "Winix", true, "started");
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log << Winix::logsave;
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app.Unlock();
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// main loop
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app.Start();
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app.Close();
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Winix::LogInfo(log, Winix::log1, "Winix", true, "stopped");
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Winix::RemovePidFile();
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log << Winix::logsave;
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return 0;
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}
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