X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/73f478b15a61946b2c78843b968ba69b95551c09..a500fb72810060e52d87ad2c2e4691531f0bcc5a:/projects/stargazer/plugins/other/smux/smux.cpp diff --git a/projects/stargazer/plugins/other/smux/smux.cpp b/projects/stargazer/plugins/other/smux/smux.cpp index c1352de2..77df9348 100644 --- a/projects/stargazer/plugins/other/smux/smux.cpp +++ b/projects/stargazer/plugins/other/smux/smux.cpp @@ -15,17 +15,12 @@ #include #include "stg/common.h" -#include "stg/plugin_creator.h" #include "smux.h" #include "utils.h" -PLUGIN_CREATOR smc; - -PLUGIN * GetPlugin() +namespace { -return smc.GetPlugin(); -} bool SPrefixLess(const Sensors::value_type & a, const Sensors::value_type & b) @@ -33,6 +28,14 @@ bool SPrefixLess(const Sensors::value_type & a, return a.first.PrefixLess(b.first); } +} + +extern "C" STG::Plugin* GetPlugin() +{ + static SMUX plugin; + return &plugin; +} + SMUX_SETTINGS::SMUX_SETTINGS() : errorStr(), ip(0), @@ -40,15 +43,15 @@ SMUX_SETTINGS::SMUX_SETTINGS() password() {} -int SMUX_SETTINGS::ParseSettings(const MODULE_SETTINGS & s) +int SMUX_SETTINGS::ParseSettings(const STG::ModuleSettings & s) { -PARAM_VALUE pv; -std::vector::const_iterator pvi; +STG::ParamValue pv; +std::vector::const_iterator pvi; int p; pv.param = "Port"; pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv); -if (pvi == s.moduleParams.end()) +if (pvi == s.moduleParams.end() || pvi->value.empty()) { errorStr = "Parameter \'Port\' not found."; printfd(__FILE__, "Parameter 'Port' not found\n"); @@ -60,11 +63,11 @@ if (ParseIntInRange(pvi->value[0], 2, 65535, &p)) printfd(__FILE__, "Cannot parse parameter 'Port'\n"); return -1; } -port = p; +port = static_cast(p); pv.param = "Password"; pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv); -if (pvi == s.moduleParams.end()) +if (pvi == s.moduleParams.end() || pvi->value.empty()) { errorStr = "Parameter \'Password\' not found."; printfd(__FILE__, "Parameter 'Password' not found\n"); @@ -77,7 +80,7 @@ else pv.param = "Server"; pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv); -if (pvi == s.moduleParams.end()) +if (pvi == s.moduleParams.end() || pvi->value.empty()) { errorStr = "Parameter \'Server\' not found."; printfd(__FILE__, "Parameter 'Server' not found\n"); @@ -89,33 +92,22 @@ return 0; } SMUX::SMUX() - : PLUGIN(), - users(NULL), + : users(NULL), tariffs(NULL), admins(NULL), services(NULL), corporations(NULL), traffcounter(NULL), - errorStr(), - smuxSettings(), - settings(), - thread(), - mutex(), - running(false), stopped(true), + needReconnect(false), + lastReconnectTry(0), + reconnectTimeout(1), sock(-1), - smuxHandlers(), - pdusHandlers(), - sensors(), - tables(), - notifiers(), addUserNotifier(*this), delUserNotifier(*this), addDelTariffNotifier(*this), - logger(GetPluginLogger(GetStgLogger(), "smux")) + 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; @@ -139,7 +131,6 @@ SMUX::~SMUX() delete it->second; } printfd(__FILE__, "SMUX::~SMUX()\n"); -pthread_mutex_destroy(&mutex); } int SMUX::ParseSettings() @@ -157,7 +148,7 @@ assert(corporations != NULL && "corporations must not be NULL"); assert(traffcounter != NULL && "traffcounter must not be NULL"); if (PrepareNet()) - return -1; + needReconnect = true; // Users sensors[OID(".1.3.6.1.4.1.38313.1.1.1")] = new TotalUsersSensor(*users); @@ -200,15 +191,8 @@ while (it != sensors.end()) } #endif -if (!running) - { - if (pthread_create(&thread, NULL, Runner, this)) - { - errorStr = "Cannot create thread."; - printfd(__FILE__, "Cannot create thread\n"); - return -1; - } - } +if (!m_thread.joinable()) + m_thread = std::jthread([this](auto token){ Run(token); }); return 0; } @@ -216,7 +200,7 @@ return 0; int SMUX::Stop() { printfd(__FILE__, "SMUX::Stop() - Before\n"); -running = false; +m_thread.request_stop(); if (!stopped) { @@ -228,8 +212,8 @@ if (!stopped) } } -if (stopped) - pthread_join(thread, NULL); +if (!stopped) + m_thread.detach(); ResetNotifiers(); @@ -251,7 +235,6 @@ close(sock); if (!stopped) { - running = true; return -1; } @@ -259,41 +242,32 @@ printfd(__FILE__, "SMUX::Stop() - After\n"); return 0; } -int SMUX::Reload() +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(d); - -smux->Run(); - -return NULL; -} - -void SMUX::Run() +void SMUX::Run(std::stop_token token) { stopped = true; if (!SendOpenPDU(sock)) - return; + needReconnect = true; if (!SendRReqPDU(sock)) - return; -running = true; + needReconnect = true; stopped = false; -while(running) +while (!token.stop_requested()) { - if (WaitPackets(sock)) + if (WaitPackets(sock) && !needReconnect) { SMUX_PDUs_t * pdus = RecvSMUXPDUs(sock); if (pdus) @@ -301,8 +275,12 @@ while(running) DispatchPDUs(pdus); ASN_STRUCT_FREE(asn_DEF_SMUX_PDUs, pdus); } + else if (!token.stop_requested()) + Reconnect(); } - if (!running) + else if (!token.stop_requested() && needReconnect) + Reconnect(); + if (token.stop_requested()) break; } SendClosePDU(sock); @@ -316,6 +294,7 @@ 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; } @@ -329,6 +308,7 @@ addr.sin_addr.s_addr = smuxSettings.GetIP(); if (connect(sock, reinterpret_cast(&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; } @@ -336,6 +316,33 @@ if (connect(sock, reinterpret_cast(&addr), sizeof(addr))) 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)); @@ -389,11 +396,11 @@ while (it != tables.end()) } if (!done) { - Sensors::iterator it(newSensors.begin()); - while (it != newSensors.end()) + Sensors::iterator sit(newSensors.begin()); + while (sit != newSensors.end()) { - delete it->second; - ++it; + delete sit->second; + ++sit; } return false; } @@ -421,20 +428,20 @@ sensors.insert(newSensors.begin(), newSensors.end()); return true; } -void SMUX::SetNotifier(USER_PTR userPtr) +void SMUX::SetNotifier(UserPtr userPtr) { notifiers.push_back(CHG_AFTER_NOTIFIER(*this, userPtr)); -userPtr->GetProperty().tariffName.AddAfterNotifier(¬ifiers.back()); +userPtr->GetProperties().tariffName.AddAfterNotifier(¬ifiers.back()); } -void SMUX::UnsetNotifier(USER_PTR userPtr) +void SMUX::UnsetNotifier(UserPtr userPtr) { std::list::iterator it = notifiers.begin(); while (it != notifiers.end()) { if (it->GetUserPtr() == userPtr) { - userPtr->GetProperty().tariffName.DelAfterNotifier(&(*it)); + userPtr->GetProperties().tariffName.DelAfterNotifier(&(*it)); notifiers.erase(it); break; } @@ -447,7 +454,7 @@ void SMUX::SetNotifiers() int h = users->OpenSearch(); assert(h && "USERS::OpenSearch is always correct"); -USER_PTR u; +UserPtr u; while (!users->SearchNext(h, &u)) SetNotifier(u); @@ -471,7 +478,7 @@ users->DelNotifierUserAdd(&addUserNotifier); std::list::iterator it(notifiers.begin()); while (it != notifiers.end()) { - it->GetUserPtr()->GetProperty().tariffName.DelAfterNotifier(&(*it)); + it->GetUserPtr()->GetProperties().tariffName.DelAfterNotifier(&(*it)); ++it; } notifiers.clear();