stv0g/spectrum2
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

pseudo-working 'spectrum2_manager start' command

Browse source
This commit is contained in:
Jan Kaluza 2011-10-20 11:49:42 +02:00
parent e18fc43bc8
commit cd2501c436
4 changed files with 180 additions and 50 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
spectrum/src/main.cpp
View file

@ -65,7 +65,6 @@ 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;
@ -76,11 +75,23 @@ static void daemonize(const char *cwd, const char *lock_file) {
}
/* 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);
}
/* At this point we are executing as the child process */
/* Change the file mode mask */
umask(0);
@ -95,21 +106,6 @@ static void daemonize(const char *cwd, const char *lock_file) {
if ((chdir(cwd)) < 0) {
exit(1);
}
if (lock_file) {
/* write our pid into it & close the file. */
lock_file_f = fopen(lock_file, "w+");
if (lock_file_f == NULL) {
std::cout << "EE cannot create lock file " << lock_file << ". Exiting\n";
exit(1);
}
sprintf(process_pid,"%d\n",getpid());
if (fwrite(process_pid,1,strlen(process_pid),lock_file_f) < strlen(process_pid)) {
std::cout << "EE cannot write to lock file " << lock_file << ". Exiting\n";
exit(1);
}
fclose(lock_file_f);
}
if (freopen( "/dev/null", "r", stdin) == NULL) {
std::cout << "EE cannot open /dev/null. Exiting\n";

196
spectrum_manager/src/main.cpp
View file

@ -7,8 +7,22 @@
#include "transport/networkpluginserver.h"
#include "Swiften/EventLoop/SimpleEventLoop.h"
#include <boost/foreach.hpp>
#include <iostream>
#include <fstream>
#include <iterator>
#include <algorithm>
#include <boost/filesystem.hpp>
#include "signal.h"
#include "sys/wait.h"
using namespace Transport;
using namespace boost::filesystem;
using namespace boost;
static int finished;
static std::string *m;
@ -37,19 +51,137 @@ static void handleMessageReceived(Swift::Client *client, Swift::Message::ref mes
}
}
static std::string searchForBinary(const std::string &binary) {
std::vector<std::string> path_list;
char * env_path = getenv("PATH");
if (env_path != NULL) {
std::string buffer = "";
for (int s = 0; s < strlen(env_path); s++) {
if (env_path[s] == ':') {
path_list.insert(path_list.end(), std::string(buffer));
buffer = "";
}
else {
buffer += env_path[s];
}
}
if (buffer != "") {
path_list.insert(path_list.end(), std::string(buffer));
buffer = "";
}
for (std::vector<std::string>::iterator dit = path_list.begin(); dit < path_list.end(); dit++) {
std::string bpath = *dit;
bpath += "/";
bpath += binary;
path p(bpath);
if (exists(p) && !is_directory(p)) {
return bpath;
}
}
}
return "";
}
// Executes new backend
static unsigned long exec_(std::string path, std::string config) {
// fork and exec
pid_t pid = fork();
if ( pid == 0 ) {
// child process
exit(execl(path.c_str(), path.c_str(), config.c_str(), NULL));
} else if ( pid < 0 ) {
// fork failed
}
else {
waitpid(pid, 0, 0);
}
return (unsigned long) pid;
}
static bool isRunning(const std::string &pidfile) {
path p(pidfile);
if (!exists(p) || is_directory(p)) {
return false;
}
std::ifstream f(p.string().c_str(), std::ios_base::in);
std::string pid;
f >> pid;
if (pid.empty())
return false;
if (kill(boost::lexical_cast<int>(pid), 0) != 0)
return false;
return true;
}
static void start_all_instances(ManagerConfig *config) {
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";
}
if (!isRunning(CONFIG_STRING(&cfg, "service.pidfile"))) {
exec_(spectrum2_binary, itr->path().string());
}
}
}
}
catch (const filesystem_error& ex) {
std::cerr << "error 1\n";
exit(5);
}
}
int main(int argc, char **argv)
{
ManagerConfig config;
std::string config_file;
std::string command;
boost::program_options::variables_map vm;
boost::program_options::options_description desc("Usage: spectrum_manager <config_file.cfg> <command>\nAllowed options");
boost::program_options::options_description desc("Usage: spectrum [OPTIONS] <COMMAND>\nAllowed options");
desc.add_options()
("help,h", "help")
("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::string>(&command)->default_value(""), "Command")
;
try
{
boost::program_options::variables_map vm;
boost::program_options::store(boost::program_options::parse_command_line(argc, argv, desc), vm);
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";
@ -59,44 +191,44 @@ int main(int argc, char **argv)
catch (std::runtime_error& e)
{
std::cout << desc << "\n";
return 1;
return 2;
}
catch (...)
{
std::cout << desc << "\n";
return 1;
}
if (argc != 3) {
std::cout << desc << "\n";
return 1;
return 3;
}
if (!config.load(argv[1])) {
if (!config.load(config_file)) {
std::cerr << "Can't load configuration file.\n";
return 1;
return 4;
}
Swift::SimpleEventLoop eventLoop;
Swift::BoostNetworkFactories networkFactories(&eventLoop);
std::string message = argv[2];
m = &message;
std::vector<std::string> servers = CONFIG_VECTOR(&config, "servers.server");
for (std::vector<std::string>::const_iterator it = servers.begin(); it != servers.end(); it++) {
finished++;
Swift::Client *client = new Swift::Client(CONFIG_STRING(&config, "service.admin_username") + "@" + (*it), CONFIG_STRING(&config, "service.admin_password"), &networkFactories);
client->setAlwaysTrustCertificates();
client->onConnected.connect(boost::bind(&handleConnected, client));
client->onDisconnected.connect(bind(&handleDisconnected, client, _1));
client->onMessageReceived.connect(bind(&handleMessageReceived, client, _1));
Swift::ClientOptions opt;
opt.allowPLAINWithoutTLS = true;
client->connect(opt);
// std::cout << *it << "\n";
if (command == "start") {
start_all_instances(&config);
}
else {
Swift::SimpleEventLoop eventLoop;
Swift::BoostNetworkFactories networkFactories(&eventLoop);
eventLoop.run();
std::string message = argv[1];
m = &message;
std::vector<std::string> servers = CONFIG_VECTOR(&config, "servers.server");
for (std::vector<std::string>::const_iterator it = servers.begin(); it != servers.end(); it++) {
finished++;
Swift::Client *client = new Swift::Client(CONFIG_STRING(&config, "service.admin_username") + "@" + (*it), CONFIG_STRING(&config, "service.admin_password"), &networkFactories);
client->setAlwaysTrustCertificates();
client->onConnected.connect(boost::bind(&handleConnected, client));
client->onDisconnected.connect(bind(&handleDisconnected, client, _1));
client->onMessageReceived.connect(bind(&handleMessageReceived, client, _1));
Swift::ClientOptions opt;
opt.allowPLAINWithoutTLS = true;
client->connect(opt);
// std::cout << *it << "\n";
}
eventLoop.run();
}
}

1
spectrum_manager/src/managerconfig.cpp
View file

@ -31,6 +31,7 @@ bool ManagerConfig::load(const std::string &configfile, boost::program_options::
opts.add_options()
("service.admin_username", value<std::string>()->default_value(""), "Administrator username.")
("service.admin_password", value<std::string>()->default_value(""), "Administrator password.")
("service.config_directory", value<std::string>()->default_value("/etc/spectrum2/transports/"), "Directory with spectrum2 configuration files. One .cfg file per one instance")
("servers.server", value<std::vector<std::string> >()->multitoken(), "Server.")
;

1
spectrum_manager/src/spectrum_manager.cfg
View file

@ -1,6 +1,7 @@
[service]
admin_username=admin
admin_password=test
config_directory=/etc/spectrum2/transports/
[servers]
server=localhost