--- /dev/null
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+
+#include <cstring>
+#include <cerrno>
+#include <ctime>
+#include <csignal>
+#include <cassert>
+
+#include <vector>
+#include <algorithm>
+#include <iterator>
+#include <stdexcept>
+#include <utility>
+
+#include "stg/common.h"
+
+#include "smux.h"
+#include "utils.h"
+
+namespace
+{
+
+bool SPrefixLess(const Sensors::value_type & a,
+ const Sensors::value_type & b)
+{
+return a.first.PrefixLess(b.first);
+}
+
+}
+
+extern "C" STG::Plugin* GetPlugin()
+{
+ static SMUX plugin;
+ return &plugin;
+}
+
+SMUX_SETTINGS::SMUX_SETTINGS()
+ : errorStr(),
+ ip(0),
+ port(0),
+ password()
+{}
+
+int SMUX_SETTINGS::ParseSettings(const STG::ModuleSettings & s)
+{
+STG::ParamValue pv;
+std::vector<STG::ParamValue>::const_iterator pvi;
+int p;
+
+pv.param = "Port";
+pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);
+if (pvi == s.moduleParams.end() || pvi->value.empty())
+ {
+ errorStr = "Parameter \'Port\' not found.";
+ printfd(__FILE__, "Parameter 'Port' not found\n");
+ return -1;
+ }
+if (ParseIntInRange(pvi->value[0], 2, 65535, &p))
+ {
+ errorStr = "Cannot parse parameter \'Port\': " + errorStr;
+ printfd(__FILE__, "Cannot parse parameter 'Port'\n");
+ return -1;
+ }
+port = static_cast<uint16_t>(p);
+
+pv.param = "Password";
+pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);
+if (pvi == s.moduleParams.end() || pvi->value.empty())
+ {
+ errorStr = "Parameter \'Password\' not found.";
+ printfd(__FILE__, "Parameter 'Password' not found\n");
+ password = "";
+ }
+else
+ {
+ password = pvi->value[0];
+ }
+
+pv.param = "Server";
+pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);
+if (pvi == s.moduleParams.end() || pvi->value.empty())
+ {
+ errorStr = "Parameter \'Server\' not found.";
+ printfd(__FILE__, "Parameter 'Server' not found\n");
+ return -1;
+ }
+ip = inet_strington(pvi->value[0]);
+
+return 0;
+}
+
+SMUX::SMUX()
+ : users(NULL),
+ tariffs(NULL),
+ admins(NULL),
+ services(NULL),
+ corporations(NULL),
+ traffcounter(NULL),
+ running(false),
+ stopped(true),
+ needReconnect(false),
+ lastReconnectTry(0),
+ reconnectTimeout(1),
+ sock(-1),
+ addUserNotifier(*this),
+ delUserNotifier(*this),
+ addDelTariffNotifier(*this),
+ logger(STG::PluginLogger::get("smux"))
+{
+pthread_mutex_init(&mutex, NULL);
+
+smuxHandlers[SMUX_PDUs_PR_close] = &SMUX::CloseHandler;
+smuxHandlers[SMUX_PDUs_PR_registerResponse] = &SMUX::RegisterResponseHandler;
+smuxHandlers[SMUX_PDUs_PR_pdus] = &SMUX::PDUsRequestHandler;
+smuxHandlers[SMUX_PDUs_PR_commitOrRollback] = &SMUX::CommitOrRollbackHandler;
+
+pdusHandlers[PDUs_PR_get_request] = &SMUX::GetRequestHandler;
+pdusHandlers[PDUs_PR_get_next_request] = &SMUX::GetNextRequestHandler;
+pdusHandlers[PDUs_PR_set_request] = &SMUX::SetRequestHandler;
+}
+
+SMUX::~SMUX()
+{
+ {
+ Sensors::iterator it;
+ for (it = sensors.begin(); it != sensors.end(); ++it)
+ delete it->second;
+ }
+ {
+ Tables::iterator it;
+ for (it = tables.begin(); it != tables.end(); ++it)
+ delete it->second;
+ }
+printfd(__FILE__, "SMUX::~SMUX()\n");
+pthread_mutex_destroy(&mutex);
+}
+
+int SMUX::ParseSettings()
+{
+return smuxSettings.ParseSettings(settings);
+}
+
+int SMUX::Start()
+{
+assert(users != NULL && "users must not be NULL");
+assert(tariffs != NULL && "tariffs must not be NULL");
+assert(admins != NULL && "admins must not be NULL");
+assert(services != NULL && "services must not be NULL");
+assert(corporations != NULL && "corporations must not be NULL");
+assert(traffcounter != NULL && "traffcounter must not be NULL");
+
+if (PrepareNet())
+ needReconnect = true;
+
+// Users
+sensors[OID(".1.3.6.1.4.1.38313.1.1.1")] = new TotalUsersSensor(*users);
+sensors[OID(".1.3.6.1.4.1.38313.1.1.2")] = new ConnectedUsersSensor(*users);
+sensors[OID(".1.3.6.1.4.1.38313.1.1.3")] = new AuthorizedUsersSensor(*users);
+sensors[OID(".1.3.6.1.4.1.38313.1.1.4")] = new AlwaysOnlineUsersSensor(*users);
+sensors[OID(".1.3.6.1.4.1.38313.1.1.5")] = new NoCashUsersSensor(*users);
+sensors[OID(".1.3.6.1.4.1.38313.1.1.6")] = new DisabledDetailStatsUsersSensor(*users);
+sensors[OID(".1.3.6.1.4.1.38313.1.1.7")] = new DisabledUsersSensor(*users);
+sensors[OID(".1.3.6.1.4.1.38313.1.1.8")] = new PassiveUsersSensor(*users);
+sensors[OID(".1.3.6.1.4.1.38313.1.1.9")] = new CreditUsersSensor(*users);
+sensors[OID(".1.3.6.1.4.1.38313.1.1.10")] = new FreeMbUsersSensor(*users);
+sensors[OID(".1.3.6.1.4.1.38313.1.1.11")] = new TariffChangeUsersSensor(*users);
+sensors[OID(".1.3.6.1.4.1.38313.1.1.12")] = new ActiveUsersSensor(*users);
+// Tariffs
+sensors[OID(".1.3.6.1.4.1.38313.1.2.1")] = new TotalTariffsSensor(*tariffs);
+// Admins
+sensors[OID(".1.3.6.1.4.1.38313.1.3.1")] = new TotalAdminsSensor(*admins);
+// Services
+sensors[OID(".1.3.6.1.4.1.38313.1.4.1")] = new TotalServicesSensor(*services);
+// Corporations
+sensors[OID(".1.3.6.1.4.1.38313.1.5.1")] = new TotalCorporationsSensor(*corporations);
+// Traffcounter
+sensors[OID(".1.3.6.1.4.1.38313.1.6.1")] = new TotalRulesSensor(*traffcounter);
+
+// Table data
+tables[".1.3.6.1.4.1.38313.1.2.2"] = new TariffUsersTable(".1.3.6.1.4.1.38313.1.2.2", *tariffs, *users);
+
+UpdateTables();
+SetNotifiers();
+
+#ifdef SMUX_DEBUG
+Sensors::const_iterator it(sensors.begin());
+while (it != sensors.end())
+ {
+ printfd(__FILE__, "%s = %s\n",
+ it->first.ToString().c_str(),
+ it->second->ToString().c_str());
+ ++it;
+ }
+#endif
+
+if (!running)
+ {
+ if (pthread_create(&thread, NULL, Runner, this))
+ {
+ errorStr = "Cannot create thread.";
+ logger("Cannot create thread.");
+ printfd(__FILE__, "Cannot create thread\n");
+ return -1;
+ }
+ }
+
+return 0;
+}
+
+int SMUX::Stop()
+{
+printfd(__FILE__, "SMUX::Stop() - Before\n");
+running = false;
+
+if (!stopped)
+ {
+ //5 seconds to thread stops itself
+ for (int i = 0; i < 25 && !stopped; i++)
+ {
+ struct timespec ts = {0, 200000000};
+ nanosleep(&ts, NULL);
+ }
+ }
+
+if (stopped)
+ pthread_join(thread, NULL);
+
+ResetNotifiers();
+
+ {
+ Tables::iterator it;
+ for (it = tables.begin(); it != tables.end(); ++it)
+ delete it->second;
+ }
+ {
+ Sensors::iterator it;
+ for (it = sensors.begin(); it != sensors.end(); ++it)
+ delete it->second;
+ }
+
+tables.erase(tables.begin(), tables.end());
+sensors.erase(sensors.begin(), sensors.end());
+
+close(sock);
+
+if (!stopped)
+ {
+ running = true;
+ return -1;
+ }
+
+printfd(__FILE__, "SMUX::Stop() - After\n");
+return 0;
+}
+
+int SMUX::Reload(const STG::ModuleSettings & /*ms*/)
+{
+if (Stop())
+ return -1;
+if (Start())
+ return -1;
+if (!needReconnect)
+ {
+ printfd(__FILE__, "SMUX reconnected succesfully.\n");
+ logger("Reconnected successfully.");
+ }
+return 0;
+}
+
+void * SMUX::Runner(void * d)
+{
+sigset_t signalSet;
+sigfillset(&signalSet);
+pthread_sigmask(SIG_BLOCK, &signalSet, NULL);
+
+SMUX * smux = static_cast<SMUX *>(d);
+
+smux->Run();
+
+return NULL;
+}
+
+void SMUX::Run()
+{
+stopped = true;
+if (!SendOpenPDU(sock))
+ needReconnect = true;
+if (!SendRReqPDU(sock))
+ needReconnect = true;
+running = true;
+stopped = false;
+
+while(running)
+ {
+ if (WaitPackets(sock) && !needReconnect)
+ {
+ SMUX_PDUs_t * pdus = RecvSMUXPDUs(sock);
+ if (pdus)
+ {
+ DispatchPDUs(pdus);
+ ASN_STRUCT_FREE(asn_DEF_SMUX_PDUs, pdus);
+ }
+ else if (running)
+ Reconnect();
+ }
+ else if (running && needReconnect)
+ Reconnect();
+ if (!running)
+ break;
+ }
+SendClosePDU(sock);
+stopped = true;
+}
+
+bool SMUX::PrepareNet()
+{
+sock = socket(AF_INET, SOCK_STREAM, 0);
+
+if (sock < 0)
+ {
+ errorStr = "Cannot create socket.";
+ logger("Cannot create a socket: %s", strerror(errno));
+ printfd(__FILE__, "Cannot create socket\n");
+ return true;
+ }
+
+struct sockaddr_in addr;
+
+addr.sin_family = AF_INET;
+addr.sin_port = htons(smuxSettings.GetPort());
+addr.sin_addr.s_addr = smuxSettings.GetIP();
+
+if (connect(sock, reinterpret_cast<struct sockaddr *>(&addr), sizeof(addr)))
+ {
+ errorStr = "Cannot connect.";
+ logger("Cannot connect the socket: %s", strerror(errno));
+ printfd(__FILE__, "Cannot connect. Message: '%s'\n", strerror(errno));
+ return true;
+ }
+
+return false;
+}
+
+bool SMUX::Reconnect()
+{
+if (needReconnect && difftime(time(NULL), lastReconnectTry) < reconnectTimeout)
+ return true;
+
+time(&lastReconnectTry);
+SendClosePDU(sock);
+close(sock);
+if (!PrepareNet())
+ if (SendOpenPDU(sock))
+ if (SendRReqPDU(sock))
+ {
+ reconnectTimeout = 1;
+ needReconnect = false;
+ logger("Connected successfully");
+ printfd(__FILE__, "Connected successfully\n");
+ return false;
+ }
+
+if (needReconnect)
+ if (reconnectTimeout < 60)
+ reconnectTimeout *= 2;
+
+needReconnect = true;
+return true;
+}
+
+bool SMUX::DispatchPDUs(const SMUX_PDUs_t * pdus)
+{
+SMUXHandlers::iterator it(smuxHandlers.find(pdus->present));
+if (it != smuxHandlers.end())
+ {
+ return (this->*(it->second))(pdus);
+ }
+#ifdef SMUX_DEBUG
+else
+ {
+ switch (pdus->present)
+ {
+ case SMUX_PDUs_PR_NOTHING:
+ printfd(__FILE__, "PDUs: nothing\n");
+ break;
+ case SMUX_PDUs_PR_open:
+ printfd(__FILE__, "PDUs: open\n");
+ break;
+ case SMUX_PDUs_PR_registerRequest:
+ printfd(__FILE__, "PDUs: registerRequest\n");
+ break;
+ default:
+ printfd(__FILE__, "PDUs: undefined\n");
+ }
+ asn_fprint(stderr, &asn_DEF_SMUX_PDUs, pdus);
+ }
+#endif
+return false;
+}
+
+bool SMUX::UpdateTables()
+{
+Sensors newSensors;
+bool done = true;
+Tables::iterator it(tables.begin());
+while (it != tables.end())
+ {
+ try
+ {
+ it->second->UpdateSensors(newSensors);
+ }
+ catch (const std::runtime_error & ex)
+ {
+ printfd(__FILE__,
+ "SMUX::UpdateTables - failed to update table '%s': '%s'\n",
+ it->first.c_str(), ex.what());
+ done = false;
+ break;
+ }
+ ++it;
+ }
+if (!done)
+ {
+ Sensors::iterator it(newSensors.begin());
+ while (it != newSensors.end())
+ {
+ delete it->second;
+ ++it;
+ }
+ return false;
+ }
+
+it = tables.begin();
+while (it != tables.end())
+ {
+ std::pair<Sensors::iterator, Sensors::iterator> res;
+ res = std::equal_range(sensors.begin(),
+ sensors.end(),
+ std::pair<OID, Sensor *>(OID(it->first), NULL),
+ SPrefixLess);
+ Sensors::iterator sit(res.first);
+ while (sit != res.second)
+ {
+ delete sit->second;
+ ++sit;
+ }
+ sensors.erase(res.first, res.second);
+ ++it;
+ }
+
+sensors.insert(newSensors.begin(), newSensors.end());
+
+return true;
+}
+
+void SMUX::SetNotifier(UserPtr userPtr)
+{
+notifiers.push_back(CHG_AFTER_NOTIFIER(*this, userPtr));
+userPtr->GetProperties().tariffName.AddAfterNotifier(¬ifiers.back());
+}
+
+void SMUX::UnsetNotifier(UserPtr userPtr)
+{
+std::list<CHG_AFTER_NOTIFIER>::iterator it = notifiers.begin();
+while (it != notifiers.end())
+ {
+ if (it->GetUserPtr() == userPtr)
+ {
+ userPtr->GetProperties().tariffName.DelAfterNotifier(&(*it));
+ notifiers.erase(it);
+ break;
+ }
+ ++it;
+ }
+}
+
+void SMUX::SetNotifiers()
+{
+int h = users->OpenSearch();
+assert(h && "USERS::OpenSearch is always correct");
+
+UserPtr u;
+while (!users->SearchNext(h, &u))
+ SetNotifier(u);
+
+users->CloseSearch(h);
+
+users->AddNotifierUserAdd(&addUserNotifier);
+users->AddNotifierUserDel(&delUserNotifier);
+
+tariffs->AddNotifierAdd(&addDelTariffNotifier);
+tariffs->AddNotifierDel(&addDelTariffNotifier);
+}
+
+void SMUX::ResetNotifiers()
+{
+tariffs->DelNotifierDel(&addDelTariffNotifier);
+tariffs->DelNotifierAdd(&addDelTariffNotifier);
+
+users->DelNotifierUserDel(&delUserNotifier);
+users->DelNotifierUserAdd(&addUserNotifier);
+
+std::list<CHG_AFTER_NOTIFIER>::iterator it(notifiers.begin());
+while (it != notifiers.end())
+ {
+ it->GetUserPtr()->GetProperties().tariffName.DelAfterNotifier(&(*it));
+ ++it;
+ }
+notifiers.clear();
+}
git.stg.codes / stg.git / blobdiff