spectrum2/spectrum/src/main.cpp
2012-03-21 16:31:51 +01:00

332 lines
9.2 KiB
C++

#include "transport/config.h"
#include "transport/transport.h"
#include "transport/filetransfermanager.h"
#include "transport/usermanager.h"
#include "transport/logger.h"
#include "transport/sqlite3backend.h"
#include "transport/mysqlbackend.h"
#include "transport/pqxxbackend.h"
#include "transport/userregistration.h"
#include "transport/networkpluginserver.h"
#include "transport/admininterface.h"
#include "transport/statsresponder.h"
#include "transport/usersreconnecter.h"
#include "transport/util.h"
#include "transport/gatewayresponder.h"
#include "transport/logging.h"
#include "Swiften/EventLoop/SimpleEventLoop.h"
#include <boost/filesystem.hpp>
#include <boost/algorithm/string.hpp>
#ifndef WIN32
#include "sys/signal.h"
#include <pwd.h>
#include <grp.h>
#include <sys/resource.h>
#include "libgen.h"
#else
#include <windows.h>
#endif
#include <sys/stat.h>
using namespace Transport;
DEFINE_LOGGER(logger, "Spectrum");
Swift::SimpleEventLoop *eventLoop_ = NULL;
Component *component_ = NULL;
UserManager *userManager_ = NULL;
static void stop_spectrum() {
userManager_->removeAllUsers(false);
component_->stop();
eventLoop_->stop();
}
static void spectrum_sigint_handler(int sig) {
eventLoop_->postEvent(&stop_spectrum);
}
static void spectrum_sigterm_handler(int sig) {
eventLoop_->postEvent(&stop_spectrum);
}
static void removeOldIcons(std::string iconDir) {
std::vector<std::string> dirs;
dirs.push_back(iconDir);
boost::thread thread(boost::bind(Util::removeEverythingOlderThan, dirs, time(NULL) - 3600*24*14));
}
#ifndef WIN32
static void daemonize(const char *cwd, const char *lock_file) {
pid_t pid, sid;
FILE* lock_file_f;
char process_pid[20];
/* already a daemon */
if ( getppid() == 1 ) return;
/* Fork off the parent process */
pid = fork();
if (pid < 0) {
exit(1);
}
/* If we got a good PID, then we can exit the parent process. */
if (pid > 0) {
if (lock_file) {
/* write our pid into it & close the file. */
lock_file_f = fopen(lock_file, "w+");
if (lock_file_f == NULL) {
std::cerr << "Cannot create lock file " << lock_file << ". Exiting\n";
exit(1);
}
sprintf(process_pid,"%d\n",pid);
if (fwrite(process_pid,1,strlen(process_pid),lock_file_f) < strlen(process_pid)) {
std::cerr << "Cannot write to lock file " << lock_file << ". Exiting\n";
exit(1);
}
fclose(lock_file_f);
}
exit(0);
}
/* Change the file mode mask */
umask(0);
/* Create a new SID for the child process */
sid = setsid();
if (sid < 0) {
exit(1);
}
/* Change the current working directory. This prevents the current
directory from being locked; hence not being able to remove it. */
if ((chdir(cwd)) < 0) {
exit(1);
}
if (freopen( "/dev/null", "r", stdin) == NULL) {
std::cout << "EE cannot open /dev/null. Exiting\n";
exit(1);
}
}
#endif
int main(int argc, char **argv)
{
Config config;
boost::program_options::variables_map vm;
bool no_daemon = false;
std::string config_file;
std::string jid;
#ifndef WIN32
if (signal(SIGINT, spectrum_sigint_handler) == SIG_ERR) {
std::cout << "SIGINT handler can't be set\n";
return -1;
}
if (signal(SIGTERM, spectrum_sigterm_handler) == SIG_ERR) {
std::cout << "SIGTERM handler can't be set\n";
return -1;
}
#endif
boost::program_options::options_description desc(std::string("Spectrum version: ") + SPECTRUM_VERSION + "\nUsage: spectrum [OPTIONS] <config_file.cfg>\nAllowed options");
desc.add_options()
("help,h", "help")
("no-daemonize,n", "Do not run spectrum as daemon")
("no-debug,d", "Create coredumps on crash")
("jid,j", boost::program_options::value<std::string>(&jid)->default_value(""), "Specify JID of transport manually")
("config", boost::program_options::value<std::string>(&config_file)->default_value(""), "Config file")
("version,v", "Shows Spectrum version")
;
try
{
boost::program_options::positional_options_description p;
p.add("config", -1);
boost::program_options::store(boost::program_options::command_line_parser(argc, argv).
options(desc).positional(p).run(), vm);
boost::program_options::notify(vm);
if (vm.count("version")) {
std::cout << SPECTRUM_VERSION << "\n";
return 0;
}
if(vm.count("help"))
{
std::cout << desc << "\n";
return 1;
}
if(vm.count("config") == 0) {
std::cout << desc << "\n";
return 1;
}
if(vm.count("no-daemonize")) {
no_daemon = true;
}
}
catch (std::runtime_error& e)
{
std::cout << desc << "\n";
return 1;
}
catch (...)
{
std::cout << desc << "\n";
return 1;
}
if (!config.load(vm["config"].as<std::string>(), jid)) {
std::cerr << "Can't load configuration file.\n";
return 1;
}
// create directories
try {
boost::filesystem::create_directories(
boost::filesystem::path(CONFIG_STRING(&config, "service.pidfile")).parent_path().string()
);
}
catch (...) {
std::cerr << "Can't create service.pidfile directory " << boost::filesystem::path(CONFIG_STRING(&config, "service.pidfile")).parent_path().string() << ".\n";
return 1;
}
// create directories
try {
boost::filesystem::create_directories(CONFIG_STRING(&config, "service.working_dir"));
}
catch (...) {
std::cerr << "Can't create service.working_dir directory " << CONFIG_STRING(&config, "service.working_dir") << ".\n";
return 1;
}
#ifndef WIN32
if (!CONFIG_STRING(&config, "service.group").empty() ||!CONFIG_STRING(&config, "service.user").empty() ) {
struct group *gr;
if ((gr = getgrnam(CONFIG_STRING(&config, "service.group").c_str())) == NULL) {
std::cerr << "Invalid service.group name " << CONFIG_STRING(&config, "service.group") << "\n";
return 1;
}
struct passwd *pw;
if ((pw = getpwnam(CONFIG_STRING(&config, "service.user").c_str())) == NULL) {
std::cerr << "Invalid service.user name " << CONFIG_STRING(&config, "service.user") << "\n";
return 1;
}
chown(CONFIG_STRING(&config, "service.working_dir").c_str(), pw->pw_uid, gr->gr_gid);
}
if (!no_daemon) {
// daemonize
daemonize(CONFIG_STRING(&config, "service.working_dir").c_str(), CONFIG_STRING(&config, "service.pidfile").c_str());
// removeOldIcons(CONFIG_STRING(&config, "service.working_dir") + "/icons");
}
#endif
Logging::initMainLogging(&config);
#ifndef WIN32
if (!CONFIG_STRING(&config, "service.group").empty() ||!CONFIG_STRING(&config, "service.user").empty() ) {
struct rlimit limit;
getrlimit(RLIMIT_CORE, &limit);
if (!CONFIG_STRING(&config, "service.group").empty()) {
struct group *gr;
if ((gr = getgrnam(CONFIG_STRING(&config, "service.group").c_str())) == NULL) {
std::cerr << "Invalid service.group name " << CONFIG_STRING(&config, "service.group") << "\n";
return 1;
}
if (((setgid(gr->gr_gid)) != 0) || (initgroups(CONFIG_STRING(&config, "service.user").c_str(), gr->gr_gid) != 0)) {
std::cerr << "Failed to set service.group name " << CONFIG_STRING(&config, "service.group") << " - " << gr->gr_gid << ":" << strerror(errno) << "\n";
return 1;
}
}
if (!CONFIG_STRING(&config, "service.user").empty()) {
struct passwd *pw;
if ((pw = getpwnam(CONFIG_STRING(&config, "service.user").c_str())) == NULL) {
std::cerr << "Invalid service.user name " << CONFIG_STRING(&config, "service.user") << "\n";
return 1;
}
if ((setuid(pw->pw_uid)) != 0) {
std::cerr << "Failed to set service.user name " << CONFIG_STRING(&config, "service.user") << " - " << pw->pw_uid << ":" << strerror(errno) << "\n";
return 1;
}
}
setrlimit(RLIMIT_CORE, &limit);
}
struct rlimit limit;
limit.rlim_max = RLIM_INFINITY;
limit.rlim_cur = RLIM_INFINITY;
setrlimit(RLIMIT_CORE, &limit);
#endif
Swift::SimpleEventLoop eventLoop;
Swift::BoostNetworkFactories *factories = new Swift::BoostNetworkFactories(&eventLoop);
UserRegistry userRegistry(&config, factories);
Component transport(&eventLoop, factories, &config, NULL, &userRegistry);
component_ = &transport;
// Logger logger(&transport);
std::string error;
StorageBackend *storageBackend = StorageBackend::createBackend(&config, error);
if (storageBackend == NULL) {
if (!error.empty()) {
std::cerr << error << "\n";
return -2;
}
}
else if (!storageBackend->connect()) {
std::cerr << "Can't connect to database. Check the log to find out the reason.\n";
return -1;
}
UserManager userManager(&transport, &userRegistry, storageBackend);
userManager_ = &userManager;
UserRegistration *userRegistration = NULL;
UsersReconnecter *usersReconnecter = NULL;
if (storageBackend) {
userRegistration = new UserRegistration(&transport, &userManager, storageBackend);
userRegistration->start();
usersReconnecter = new UsersReconnecter(&transport, storageBackend);
}
FileTransferManager ftManager(&transport, &userManager);
NetworkPluginServer plugin(&transport, &config, &userManager, &ftManager);
AdminInterface adminInterface(&transport, &userManager, &plugin, storageBackend);
StatsResponder statsResponder(&transport, &userManager, &plugin, storageBackend);
statsResponder.start();
GatewayResponder gatewayResponder(transport.getIQRouter(), &userManager);
gatewayResponder.start();
eventLoop_ = &eventLoop;
eventLoop.run();
if (userRegistration) {
userRegistration->stop();
delete userRegistration;
}
if (usersReconnecter) {
delete usersReconnecter;
}
delete storageBackend;
delete factories;
return 0;
}