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// Spectre 2 |
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// |
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// Douglas Thrift |
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// |
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// $Id$ |
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#include "Mounter.hpp" |
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#include "Unmounter.hpp" |
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#include "Matcher/Matcher.hpp" |
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#include <menes-api/exename.hpp> |
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#include <menes-api/files.hpp> |
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#include <menes-app/application.hpp> |
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extern "C" |
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{ |
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#include <sys/types.h> |
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#include <signal.h> |
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} |
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struct Spectre2Command : public app::Application |
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{ |
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virtual int Run(const app::ArgumentList& args) |
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{ |
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ext::String config("spectre.xml"), pid("spectre.pid"); |
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bool fork(false); |
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_foreach (app::ArgumentList, arg, args) |
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{ |
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Matcher matcher; |
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if (*arg == matcher("^-config=(.*)$")) config = matcher[1]; |
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else if (*arg == "-fork") fork = true; |
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else if (*arg == matcher("^-pid=(.*)$")) pid = matcher[1]; |
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else if (*arg == "-D") Spectre2::debug = true; |
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else |
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{ |
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api::Cerr << "Usage: " << Spectre2::program << " [-config=config] [-fork] [-pid=pid] [-D]" << ios::NewLine; |
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return 1; |
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} |
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} |
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if (fork && api::Posix::CheckError(::fork())) return 0; |
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Spectre2(config, pid); |
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return 0; |
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} |
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} spectre; |
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extern "C" |
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{ |
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void reload(int signal, ::siginfo_t* info, void* uap); |
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void stop(int signal, ::siginfo_t* info, void* uap); |
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} |
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Spectre2::Spectre2(const ext::String& config, const ext::String& pid) : pid(pid) |
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{ |
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{ |
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api::FileWriter out(pid); |
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ios::FormatWriter fout(out); |
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fout << ::getpid() << ios::NewLine; |
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} |
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Mounter mounter(config); |
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Unmounter unmounter(config); |
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daemons.InsertLast(dynamic_cast<Daemon*>(&mounter)); |
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daemons.InsertLast(dynamic_cast<Daemon*>(&unmounter)); |
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{ |
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struct ::sigaction action; |
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action.sa_sigaction = reload; |
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action.sa_flags = SA_SIGINFO; |
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api::Posix::CheckError(::sigemptyset(&action.sa_mask)); |
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api::Posix::CheckError(::sigaction(SIGHUP, &action, NULL)); |
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action.sa_sigaction = stop; |
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api::Posix::CheckError(::sigaction(SIGTERM, &action, NULL)); |
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} |
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_mforeach (ext::Vector<Daemon*>, daemon, daemons) (*daemon)->start(); |
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_mforeach (ext::Vector<Daemon*>, daemon, daemons) (*daemon)->wait(); |
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} |
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Spectre2::~Spectre2() |
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{ |
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api::Posix::CheckError(::unlink(pid.NullTerminate())); |
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} |
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ext::String Spectre2::program(api::GetExecutablePath().GetName()); |
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bool Spectre2::debug(false); |
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ext::Vector<Daemon*> Spectre2::daemons; |
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extern "C" |
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{ |
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void reload(int signal, ::siginfo_t* info, void* uap) |
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{ |
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_mforeach (ext::Vector<Daemon*>, daemon, Spectre2::daemons) (*daemon)->reload(); |
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} |
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void stop(int signal, ::siginfo_t* info, void* uap) |
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{ |
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_mforeach (ext::Vector<Daemon*>, daemon, Spectre2::daemons) (*daemon)->stop(); |
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} |
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} |
