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https://github.com/moses-smt/mosesdecoder.git
synced 2024-09-11 11:25:40 +03:00
Added switch --daemon: fork and run moses server in background. The parent won't exit until the child is ready to serve.
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@ -64,6 +64,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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#ifdef HAVE_XMLRPC_C
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#include "moses/server/Server.h"
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#endif
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#include <signal.h>
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using namespace std;
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using namespace Moses;
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@ -140,11 +141,27 @@ void SimpleTranslationInterface::DestroyFeatureFunctionStatic()
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Parameter params;
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void
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signal_handler(int signum)
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{
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if (signum == SIGALRM) {
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exit(0); // that's what we expected from the child process after forking
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}
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else if (signum == SIGTERM || signum == SIGKILL) {
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exit(0);
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}
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else {
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std::cerr << "Unexpected signal " << signum << std::endl;
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exit(signum);
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}
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}
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//! run moses in server mode
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int
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run_as_server()
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{
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#ifdef HAVE_XMLRPC_C
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kill(getppid(),SIGALRM);
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MosesServer::Server server(params);
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return server.run(); // actually: don't return. see Server::run()
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#else
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@ -322,17 +339,25 @@ int decoder_main(int argc, char const** argv)
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if (!StaticData::LoadDataStatic(¶ms, argv[0]))
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exit(1);
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//
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#if 1
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pid_t pid;
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if (params.GetParam("daemon")) {
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pid = fork();
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if (pid) { pause(); exit(0); } // parent process
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}
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#endif
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// setting "-show-weights" -> just dump out weights and exit
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if (params.isParamSpecified("show-weights")) {
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ShowWeights();
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exit(0);
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}
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if (params.GetParam("server"))
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if (params.GetParam("server")) {
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std::cerr << "RUN SERVER at pid " << pid << std::endl;
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return run_as_server();
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else
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} else
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return batch_run();
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}
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#ifdef NDEBUG
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catch (const std::exception &e) {
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@ -218,6 +218,7 @@ Parameter::Parameter()
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// server options
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po::options_description server_opts("Moses Server Options");
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AddParam(server_opts,"server", "Run moses as a translation server.");
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AddParam(server_opts,"daemon", "Run moses as a translation server in the background.");
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AddParam(server_opts,"server-port", "Port for moses server");
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AddParam(server_opts,"server-log", "Log destination for moses server");
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AddParam(server_opts,"serial", "Run server in serial mode, processing only one request at a time.");
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@ -232,7 +233,6 @@ Parameter::Parameter()
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"Max. number of seconds the server will keep a persistent connection alive.");
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AddParam(server_opts,"server-timeout",
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"Max. number of seconds the server will wait for a client to submit a request once a connection has been established.");
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// session timeout and session cache size are for moses translation session handling
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// they have nothing to do with the abyss server (but relate to the moses server)
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AddParam(server_opts,"session-timeout",
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@ -1,5 +1,7 @@
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// -*- mode: c++; indent-tabs-mode: nil; tab-width: 2 -*-
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#include "Server.h"
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#include <sstream>
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namespace MosesServer
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{
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Server::
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@ -16,6 +18,12 @@ namespace MosesServer
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m_registry.addMethod("close_session", m_close_session);
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}
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Server::
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~Server()
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{
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unlink(m_pidfile.c_str());
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}
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int
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Server::
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run()
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@ -32,7 +40,12 @@ namespace MosesServer
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.keepaliveMaxConn(m_server_options.keepaliveMaxConn)
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.timeout(m_server_options.timeout)
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);
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std::ostringstream pidfilename;
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pidfilename << "/tmp/moses-server." << m_server_options.port << ".pid";
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m_pidfile = pidfilename.str();
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std::ofstream pidfile(m_pidfile.c_str());
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pidfile << getpid() << std::endl;
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pidfile.close();
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XVERBOSE(1,"Listening on port " << m_server_options.port << std::endl);
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if (m_server_options.is_serial)
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{
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@ -16,6 +16,7 @@
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#include "CloseSession.h"
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#include "Session.h"
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#include "moses/parameters/ServerOptions.h"
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#include <string>
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namespace MosesServer
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{
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@ -28,9 +29,10 @@ namespace MosesServer
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xmlrpc_c::methodPtr const m_optimizer;
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xmlrpc_c::methodPtr const m_translator;
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xmlrpc_c::methodPtr const m_close_session;
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std::string m_pidfile;
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public:
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Server(Moses::Parameter& params);
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~Server();
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int run();
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void delete_session(uint64_t const session_id);
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