| 1 |
douglas |
402 |
// Spectre 2 |
| 2 |
|
|
// |
| 3 |
|
|
// Douglas Thrift |
| 4 |
|
|
// |
| 5 |
|
|
// $Id$ |
| 6 |
|
|
|
| 7 |
|
|
#include "Mounter.hpp" |
| 8 |
|
|
#include "Unmounter.hpp" |
| 9 |
|
|
#include "Matcher/Matcher.hpp" |
| 10 |
|
|
|
| 11 |
|
|
#include <menes-api/exename.hpp> |
| 12 |
|
|
#include <menes-app/application.hpp> |
| 13 |
|
|
|
| 14 |
|
|
#include <sys/types.h> |
| 15 |
douglas |
405 |
#include <signal.h> |
| 16 |
douglas |
402 |
|
| 17 |
|
|
struct Spectre2Command : public app::Application |
| 18 |
|
|
{ |
| 19 |
|
|
virtual int Run(const app::ArgumentList& args) |
| 20 |
|
|
{ |
| 21 |
|
|
ext::String config("spectre.xml"), pid("spectre.pid"); |
| 22 |
|
|
bool fork(false); |
| 23 |
|
|
|
| 24 |
|
|
_foreach (app::ArgumentList, arg, args) |
| 25 |
|
|
{ |
| 26 |
|
|
Matcher matcher; |
| 27 |
|
|
|
| 28 |
|
|
if (*arg == matcher("^-config=(.*)$")) config = matcher[1]; |
| 29 |
|
|
else if (*arg == "-fork") fork = true; |
| 30 |
|
|
else if (*arg == matcher("^-pid=(.*)$")) pid = matcher[1]; |
| 31 |
|
|
else if (*arg == "-D") Spectre2::debug = true; |
| 32 |
|
|
else |
| 33 |
|
|
{ |
| 34 |
|
|
api::Cerr << "Usage: " << Spectre2::program << " [-config=config] [-fork] [-pid=pid] [-D]" << ios::NewLine; |
| 35 |
|
|
|
| 36 |
|
|
return 1; |
| 37 |
|
|
} |
| 38 |
|
|
} |
| 39 |
|
|
|
| 40 |
|
|
if (fork && api::Posix::CheckError(::fork())) return 0; |
| 41 |
|
|
|
| 42 |
|
|
Spectre2(config, pid); |
| 43 |
|
|
|
| 44 |
|
|
return 0; |
| 45 |
|
|
} |
| 46 |
|
|
} spectre; |
| 47 |
|
|
|
| 48 |
douglas |
405 |
extern "C" |
| 49 |
|
|
{ |
| 50 |
|
|
void reload(int signal, ::siginfo_t* info, void* uap); |
| 51 |
|
|
void stop(int signal, ::siginfo_t* info, void* uap); |
| 52 |
|
|
} |
| 53 |
|
|
|
| 54 |
douglas |
402 |
Spectre2::Spectre2(const ext::String& config, const ext::String& pid) : pid(pid) |
| 55 |
|
|
{ |
| 56 |
|
|
{ |
| 57 |
|
|
api::FileWriter out(pid); |
| 58 |
|
|
ios::FormatWriter fout(out); |
| 59 |
|
|
|
| 60 |
|
|
fout << ::getpid() << ios::NewLine; |
| 61 |
|
|
} |
| 62 |
|
|
|
| 63 |
|
|
Mounter mounter(config); |
| 64 |
|
|
Unmounter unmounter(config); |
| 65 |
douglas |
405 |
|
| 66 |
douglas |
406 |
daemons.InsertLast(dynamic_cast<Daemon*>(&mounter)); |
| 67 |
|
|
daemons.InsertLast(dynamic_cast<Daemon*>(&unmounter)); |
| 68 |
douglas |
405 |
|
| 69 |
|
|
{ |
| 70 |
|
|
struct ::sigaction action; |
| 71 |
|
|
|
| 72 |
|
|
action.sa_sigaction = reload; |
| 73 |
|
|
action.sa_flags = SA_SIGINFO; |
| 74 |
|
|
|
| 75 |
|
|
api::Posix::CheckError(::sigemptyset(&action.sa_mask)); |
| 76 |
|
|
api::Posix::CheckError(::sigaction(SIGHUP, &action, NULL)); |
| 77 |
|
|
|
| 78 |
|
|
action.sa_sigaction = stop; |
| 79 |
|
|
|
| 80 |
|
|
api::Posix::CheckError(::sigaction(SIGTERM, &action, NULL)); |
| 81 |
|
|
} |
| 82 |
douglas |
406 |
|
| 83 |
|
|
_mforeach (ext::Vector<Daemon*>, daemon, daemons) (*daemon)->start(); |
| 84 |
douglas |
407 |
_mforeach (ext::Vector<Daemon*>, daemon, daemons) (*daemon)->wait(); |
| 85 |
douglas |
402 |
} |
| 86 |
|
|
|
| 87 |
|
|
Spectre2::~Spectre2() |
| 88 |
|
|
{ |
| 89 |
|
|
api::Posix::CheckError(::unlink(pid.NullTerminate())); |
| 90 |
|
|
} |
| 91 |
|
|
|
| 92 |
douglas |
414 |
ext::String Spectre2::program(api::GetExecutablePath().GetName()), Spectre2::prefix(_Spectre2_prefix_), Spectre2::root(_Spectre2_root_); |
| 93 |
douglas |
402 |
bool Spectre2::debug(false); |
| 94 |
douglas |
405 |
ext::Vector<Daemon*> Spectre2::daemons; |
| 95 |
|
|
|
| 96 |
|
|
extern "C" |
| 97 |
|
|
{ |
| 98 |
|
|
void reload(int signal, ::siginfo_t* info, void* uap) |
| 99 |
|
|
{ |
| 100 |
|
|
_mforeach (ext::Vector<Daemon*>, daemon, Spectre2::daemons) (*daemon)->reload(); |
| 101 |
|
|
} |
| 102 |
|
|
|
| 103 |
|
|
void stop(int signal, ::siginfo_t* info, void* uap) |
| 104 |
|
|
{ |
| 105 |
|
|
_mforeach (ext::Vector<Daemon*>, daemon, Spectre2::daemons) (*daemon)->stop(); |
| 106 |
|
|
} |
| 107 |
|
|
} |
