libtransport.git Changeset - c83794bb382a

Changeset - c83794bb382a

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HanzZ - 13 years ago 2012-08-01 17:03:59
hanzz.k@gmail.com

spectrum2_manager can start/stop particular instances

1 file changed with 21 insertions and 4 deletions:

spectrum_manager/src/main.cpp

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spectrum_manager/src/main.cpp

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 		else {
 			exit(execl(path.c_str(), path.c_str(), "-j", jid.c_str(), config.c_str(), NULL));
+		}
 	} else if ( pid < 0 ) {
 		// fork failed
+	}
 	else {
 		waitpid(pid, 0, 0);
+	}
 	return (unsigned long) pid;
+}
 static int getPort(const std::string &portfile) {
 	path p(portfile);
 	if (!exists(p) || is_directory(p)) {
 		return 0;
+	}
 	std::ifstream f(p.string().c_str(), std::ios_base::in);
 	std::string port;
 	f >> port;
 	if (port.empty())
 		return 0;
 	return boost::lexical_cast<int>(port);
+}
 static int isRunning(const std::string &pidfile) {
 	path p(pidfile);
 	if (!exists(p) || is_directory(p)) {
 		return 0;
+	}
 	std::ifstream f(p.string().c_str(), std::ios_base::in);
 	std::string pid;
 	f >> pid;
 	if (pid.empty())
 		return 0;
 	if (kill(boost::lexical_cast<int>(pid), 0) != 0)
 		return 0;
 	return boost::lexical_cast<int>(pid);
+}
-static void start_all_instances(ManagerConfig *config) {
+static void start_instances(ManagerConfig *config, const std::string &_jid = "") {
 	path p(CONFIG_STRING(config, "service.config_directory"));
 	try {
 		if (!exists(p)) {
 			std::cerr << "Config directory " << CONFIG_STRING(config, "service.config_directory") << " does not exist\n";
 			exit(6);
+		}
 		if (!is_directory(p)) {
 			std::cerr << "Config directory " << CONFIG_STRING(config, "service.config_directory") << " does not exist\n";
 			exit(7);
+		}
 		std::string spectrum2_binary = searchForBinary("spectrum2");
 		if (spectrum2_binary.empty()) {
 			std::cerr << "spectrum2 binary not found in PATH\n";
 			exit(8);
+		}
 		directory_iterator end_itr;
 		for (directory_iterator itr(p); itr != end_itr; ++itr) {
 			if (is_regular(itr->path()) && extension(itr->path()) == ".cfg") {
 				Config cfg;
 				if (cfg.load(itr->path().string()) == false) {
 					std::cerr << "Can't load config file " << itr->path().string() << ". Skipping...\n";
 					continue;
+				}
 				std::vector<std::string> vhosts;
 				if (CONFIG_HAS_KEY(&cfg, "vhosts.vhost"))
 					vhosts = CONFIG_VECTOR(&cfg, "vhosts.vhost");
 				vhosts.push_back(CONFIG_STRING(&cfg, "service.jid"));
 				BOOST_FOREACH(std::string &vhost, vhosts) {
 					Config vhostCfg;
 					if (vhostCfg.load(itr->path().string(), vhost) == false) {
 						std::cerr << "Can't load config file " << itr->path().string() << ". Skipping...\n";
 						continue;
+					}
 					if (!_jid.empty() && _jid != vhost) {
 						continue;
+					}
 					int pid = isRunning(CONFIG_STRING(&vhostCfg, "service.pidfile"));
 					if (pid == 0) {
 						std::cout << "Starting " << itr->path() << ": OK\n";
 						exec_(spectrum2_binary, itr->path().string(), vhost);
+					}
 					else {
 						std::cout << "Starting " << itr->path() << ": Already started (PID=" << pid << ")\n";
+					}
+				}
+			}
+		}
+	}
 	catch (const filesystem_error& ex) {
 		std::cerr << "boost filesystem error\n";
 		exit(5);
+	}
+}
-static void stop_all_instances(ManagerConfig *config) {
+static void stop_instances(ManagerConfig *config, const std::string &_jid = "") {
 	path p(CONFIG_STRING(config, "service.config_directory"));
 	try {
 		if (!exists(p)) {
 			std::cerr << "Config directory " << CONFIG_STRING(config, "service.config_directory") << " does not exist\n";
 			exit(6);
+		}
 		if (!is_directory(p)) {
 			std::cerr << "Config directory " << CONFIG_STRING(config, "service.config_directory") << " does not exist\n";
 			exit(7);
+		}
 		directory_iterator end_itr;
 		for (directory_iterator itr(p); itr != end_itr; ++itr) {
 			if (is_regular(itr->path()) && extension(itr->path()) == ".cfg") {
 				Config cfg;
 				if (cfg.load(itr->path().string()) == false) {
 					std::cerr << "Can't load config file " << itr->path().string() << ". Skipping...\n";
+				}
 				std::vector<std::string> vhosts;
 				if (CONFIG_HAS_KEY(&cfg, "vhosts.vhost"))
 					vhosts = CONFIG_VECTOR(&cfg, "vhosts.vhost");
 				vhosts.push_back(CONFIG_STRING(&cfg, "service.jid"));
 				BOOST_FOREACH(std::string &vhost, vhosts) {
 					Config vhostCfg;
 					if (vhostCfg.load(itr->path().string(), vhost) == false) {
 						std::cerr << "Can't load config file " << itr->path().string() << ". Skipping...\n";
 						continue;
+					}
 					if (!_jid.empty() && _jid != vhost) {
 						continue;
+					}
 					int pid = isRunning(CONFIG_STRING(&vhostCfg, "service.pidfile"));
 					if (pid) {
 						std::cout << "Stopping " << itr->path() << ": OK\n";
 						kill(pid, SIGTERM);
+					}
 					else {
 						std::cout << "Stopping " << itr->path() << ": Not running\n";
+					}
+				}
+			}
+		}
+	}
 	catch (const filesystem_error& ex) {
 		std::cerr << "boost filesystem error\n";
 		exit(5);
+	}
+}
 static int show_status(ManagerConfig *config) {
 	int ret = 0;
 	path p(CONFIG_STRING(config, "service.config_directory"));
 	try {
 		if (!exists(p)) {
 			std::cerr << "Config directory " << CONFIG_STRING(config, "service.config_directory") << " does not exist\n";
 			exit(6);
+		}
 		if (!is_directory(p)) {
 			std::cerr << "Config directory " << CONFIG_STRING(config, "service.config_directory") << " does not exist\n";
 			exit(7);
+		}
 		directory_iterator end_itr;
 		for (directory_iterator itr(p); itr != end_itr; ++itr) {
 			if (is_regular(itr->path()) && extension(itr->path()) == ".cfg") {
 				Config cfg;
 				if (cfg.load(itr->path().string()) == false) {
 					std::cerr << "Can't load config file " << itr->path().string() << ". Skipping...\n";
+				}
 				std::vector<std::string> vhosts;
 				if (CONFIG_HAS_KEY(&cfg, "vhosts.vhost"))
 					vhosts = CONFIG_VECTOR(&cfg, "vhosts.vhost");
 				vhosts.push_back(CONFIG_STRING(&cfg, "service.jid"));
 				BOOST_FOREACH(std::string &vhost, vhosts) {
 					Config vhostCfg;
@@ @@ -502,80 +510,89 @@ int main(int argc, char **argv) @@
 	boost::program_options::options_description desc("Usage: spectrum [OPTIONS] <COMMAND>\n"
 													 "       spectrum [OPTIONS] <instance_JID> <other>\nCommands:\n"
 													 " start - start all local Spectrum2 instances\n"
 													 " stop  - stop all local Spectrum2 instances\n"
 													 " status - status of local Spectrum2 instances\n"
 													 " <other> - send command to local Spectrum2 instance and print output\n"
 													 "Allowed options");
 	desc.add_options()
 		("help,h", "Show help output")
 		("config,c", boost::program_options::value<std::string>(&config_file)->default_value("/etc/spectrum2/spectrum_manager.cfg"), "Spectrum manager config file")
 		("command", boost::program_options::value<std::vector<std::string> >(&command), "Command")
+		;
 	try
+	{
 		boost::program_options::positional_options_description p;
 		p.add("command", -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("help"))
+		{
 			std::cout << desc << "\n";
 			return 1;
+		}
+	}
 	catch (std::runtime_error& e)
+	{
 		std::cout << desc << "\n";
 		return 2;
+	}
 	catch (...)
+	{
 		std::cout << desc << "\n";
 		return 3;
+	}
 	if (!config.load(config_file)) {
 		std::cerr << "Can't load configuration file.\n";
 		return 4;
+	}
 	if (command.empty()) {
 		std::cout << desc << "\n";
 		return 1;
+	}
 	if (command[0] == "start") {
-		start_all_instances(&config);
+		start_instances(&config);
+	}
 	else if (command[0] == "stop") {
-		stop_all_instances(&config);
+		stop_instances(&config);
+	}
 	else if (command[0] == "status") {
 		return show_status(&config);
+	}
 	else if (command[0] == "list") {
 		show_list(&config);
+	}
 	else {
 		if (command.size() < 2) {
 			std::cout << desc << "\n";
 			return 11;
+		}
 		Swift::SimpleEventLoop eventLoop;
 		Swift::BoostNetworkFactories networkFactories(&eventLoop);
 		std::string jid = command[0];
 		command.erase(command.begin());
 		std::string cmd = boost::algorithm::join(command, " ");
 		if (cmd == "start") {
 			start_instances(&config, jid);
 			return 0;
+		}
 		else if (cmd == "stop") {
 			stop_instances(&config, jid);
 			return 0;
+		}
 		ask_local_server(&config, networkFactories, jid, cmd);
 // 		std::string message = command;
 // 		m = &message;
 // 		ask_local_server(&config, networkFactories, message);
 		eventLoop.run();
+	}
+}

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