X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/07802098b4ebcddaa55994f7a87fe0b0e8514d04..6f64130aea790fdfa868b78a39ad1988e05f7cd7:/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 bd83f1ab..4586807c 100644 --- a/projects/stargazer/plugins/other/smux/smux.cpp +++ b/projects/stargazer/plugins/other/smux/smux.cpp @@ -6,218 +6,44 @@ #include #include #include +#include #include #include - -#include "asn1/OpenPDU.h" -#include "asn1/ClosePDU.h" -#include "asn1/RReqPDU.h" -#include "asn1/GetRequest-PDU.h" -#include "asn1/GetResponse-PDU.h" -#include "asn1/VarBindList.h" -#include "asn1/VarBind.h" -#include "asn1/OBJECT_IDENTIFIER.h" -#include "asn1/ber_decoder.h" -#include "asn1/der_encoder.h" +#include +#include +#include #include "stg/common.h" +#include "stg/plugin_creator.h" #include "smux.h" +#include "utils.h" -bool WaitPackets(int sd); - -bool String2OI(const std::string & str, OBJECT_IDENTIFIER_t * oi) -{ -size_t left = 0, pos = 0, arcPos = 0; -int arcs[1024]; -pos = str.find_first_of('.', left); -if (pos == 0) - { - left = 1; - pos = str.find_first_of('.', left); - } -while (pos != std::string::npos) - { - int arc = 0; - if (str2x(str.substr(left, left - pos), arc)) - { - return false; - } - arcs[arcPos++] = arc; - left = pos + 1; - pos = str.find_first_of('.', left); - } -if (left < str.length()) - { - int arc = 0; - if (str2x(str.substr(left, left - pos), arc)) - { - return false; - } - arcs[arcPos++] = arc; - } -printfd(__FILE__, "String2OI() - arcPos: %d\n", arcPos); -OBJECT_IDENTIFIER_set_arcs(oi, arcs, sizeof(arcs[0]), arcPos); -return true; -} - -class SMUX_CREATOR -{ -private: - SMUX * smux; - -public: - SMUX_CREATOR() : smux(new SMUX()) {} - ~SMUX_CREATOR() { delete smux; } - - SMUX * GetPlugin() { return smux; } -}; - -SMUX_CREATOR sac; - -PLUGIN * GetPlugin() -{ -return sac.GetPlugin(); -} - -int SendOpenPDU(int fd) +namespace { -const char * description = "Stg SMUX Plugin"; -//int oid[] = {1, 3, 6, 1, 4, 1, 38313, 1, 5, 2, 1, 1}; -asn_enc_rval_t error; -OpenPDU_t msg; - -memset(&msg, 0, sizeof(msg)); - -msg.present = OpenPDU_PR_simple; -asn_long2INTEGER(&msg.choice.simple.version, SimpleOpen__version_version_1); -if (!String2OI(".1.3.6.1.4.1.38313", &msg.choice.simple.identity)) - { - printfd(__FILE__, - "SendOpenPDU() - failed to convert string to OBJECT_IDENTIFIER\n"); - return -1; - } -OCTET_STRING_fromString(&msg.choice.simple.description, description); -OCTET_STRING_fromString(&msg.choice.simple.password, ""); - -char buffer[1024]; -error = der_encode_to_buffer(&asn_DEF_OpenPDU, &msg, buffer, sizeof(buffer)); - -if (error.encoded == -1) - { - printfd(__FILE__, "Could not encode OpenPDU (at %s)\n", - error.failed_type ? error.failed_type->name : "unknown"); - return -1; - } -else - { - write(fd, buffer, error.encoded); - printfd(__FILE__, "OpenPDU encoded successfully to %d bytes\n", - error.encoded); - } -return 0; -} +PLUGIN_CREATOR smc; -int SendClosePDU(int fd) +bool SPrefixLess(const Sensors::value_type & a, + const Sensors::value_type & b) { -ClosePDU_t msg; - -memset(&msg, 0, sizeof(msg)); - -asn_long2INTEGER(&msg, ClosePDU_goingDown); - -char buffer[1024]; -asn_enc_rval_t error; -error = der_encode_to_buffer(&asn_DEF_ClosePDU, &msg, buffer, sizeof(buffer)); - -if (error.encoded == -1) - { - printfd(__FILE__, "Could not encode ClosePDU (at %s)\n", - error.failed_type ? error.failed_type->name : "unknown"); - return -1; - } -else - { - write(fd, buffer, error.encoded); - printfd(__FILE__, "ClosePDU encoded successfully\n"); - } -return 0; +return a.first.PrefixLess(b.first); } -int SendRReqPDU(int fd) -{ -int oid[] = {1, 3, 6, 1, 4, 1, 38313, 1}; -asn_enc_rval_t error; -RReqPDU_t msg; - -memset(&msg, 0, sizeof(msg)); - -msg.priority = 0; -asn_long2INTEGER(&msg.operation, RReqPDU__operation_readOnly); -OBJECT_IDENTIFIER_set_arcs(&msg.subtree, - oid, - sizeof(oid[0]), - 8); - -char buffer[1024]; -error = der_encode_to_buffer(&asn_DEF_RReqPDU, &msg, buffer, sizeof(buffer)); - -if (error.encoded == -1) - { - printfd(__FILE__, "Could not encode RReqPDU (at %s)\n", - error.failed_type ? error.failed_type->name : "unknown"); - return -1; - } -else - { - write(fd, buffer, error.encoded); - printfd(__FILE__, "RReqPDU encoded successfully to %d bytes\n", - error.encoded); - } -return 0; } -SMUX_PDUs_t * RecvSMUXPDUs(int fd) -{ -char buffer[1024]; -SMUX_PDUs_t * pdus = NULL; - -memset(buffer, 0, sizeof(buffer)); - -size_t length = read(fd, buffer, sizeof(buffer)); -if (length < 1) - return NULL; -asn_dec_rval_t error; -error = ber_decode(0, &asn_DEF_SMUX_PDUs, (void **)&pdus, buffer, length); -if(error.code != RC_OK) - { - printfd(__FILE__, "Failed to decode PDUs at byte %ld\n", - (long)error.consumed); - return NULL; - } -return pdus; -} +extern "C" PLUGIN * GetPlugin(); -int ParseIntInRange(const std::string & str, - int min, - int max, - int * val) +PLUGIN * GetPlugin() { -if (str2x(str.c_str(), *val)) - { - return -1; - } -if (*val < min || *val > max) - { - return -1; - } -return 0; +return smc.GetPlugin(); } SMUX_SETTINGS::SMUX_SETTINGS() - : ip(0), - port(0) + : errorStr(), + ip(0), + port(0), + password() {} int SMUX_SETTINGS::ParseSettings(const MODULE_SETTINGS & s) @@ -225,10 +51,10 @@ int SMUX_SETTINGS::ParseSettings(const MODULE_SETTINGS & s) PARAM_VALUE 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"); @@ -240,11 +66,11 @@ 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"); @@ -257,7 +83,7 @@ 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"); @@ -272,9 +98,30 @@ SMUX::SMUX() : PLUGIN(), users(NULL), tariffs(NULL), + admins(NULL), + services(NULL), + corporations(NULL), + traffcounter(NULL), + errorStr(), + smuxSettings(), + settings(), + thread(), + mutex(), running(false), stopped(true), - sock(-1) + needReconnect(false), + lastReconnectTry(0), + reconnectTimeout(1), + sock(-1), + smuxHandlers(), + pdusHandlers(), + sensors(), + tables(), + notifiers(), + addUserNotifier(*this), + delUserNotifier(*this), + addDelTariffNotifier(*this), + logger(GetPluginLogger(GetStgLogger(), "smux")) { pthread_mutex_init(&mutex, NULL); @@ -290,9 +137,16 @@ pdusHandlers[PDUs_PR_set_request] = &SMUX::SetRequestHandler; SMUX::~SMUX() { -Sensors::iterator it; -for (it = sensors.begin(); it != sensors.end(); ++it) - delete it->second; + { + 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); } @@ -304,29 +158,63 @@ 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()) - return -1; + needReconnect = true; // Users -sensors[".1.3.6.1.4.1.38313.1.1.1"] = new TotalUsersSensor(*users); -sensors[".1.3.6.1.4.1.38313.1.1.2"] = new ConnectedUsersSensor(*users); -sensors[".1.3.6.1.4.1.38313.1.1.3"] = new AuthorizedUsersSensor(*users); -sensors[".1.3.6.1.4.1.38313.1.1.4"] = new AlwaysOnlineUsersSensor(*users); -sensors[".1.3.6.1.4.1.38313.1.1.5"] = new NoCashUsersSensor(*users); -sensors[".1.3.6.1.4.1.38313.1.1.7"] = new DisabledDetailStatsUsersSensor(*users); -sensors[".1.3.6.1.4.1.38313.1.1.8"] = new DisabledUsersSensor(*users); -sensors[".1.3.6.1.4.1.38313.1.1.9"] = new PassiveUsersSensor(*users); -sensors[".1.3.6.1.4.1.38313.1.1.10"] = new CreditUsersSensor(*users); -sensors[".1.3.6.1.4.1.38313.1.1.11"] = new FreeMbUsersSensor(*users); -sensors[".1.3.6.1.4.1.38313.1.1.12"] = new TariffChangeUsersSensor(*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[".1.3.6.1.4.1.38313.1.2.1"] = new TotalTariffsSensor(*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; } @@ -348,31 +236,59 @@ if (!stopped) struct timespec ts = {0, 200000000}; nanosleep(&ts, NULL); } + } - //after 5 seconds waiting thread still running. now killing it - if (!stopped) - { - printfd(__FILE__, "SMUX::Stop() - failed to stop thread, killing it\n"); - if (pthread_kill(thread, SIGINT)) - { - errorStr = "Cannot kill thread."; - printfd(__FILE__, "SMUX::Stop() - Cannot kill thread\n"); - return -1; - } - printfd(__FILE__, "SMUX::Stop() - killed Run\n"); - } +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; } -pthread_join(thread, NULL); +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 MODULE_SETTINGS & /*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(); @@ -382,18 +298,29 @@ return NULL; void SMUX::Run() { -SendOpenPDU(sock); -SendRReqPDU(sock); +stopped = true; +if (!SendOpenPDU(sock)) + needReconnect = true; +if (!SendRReqPDU(sock)) + needReconnect = true; running = true; stopped = false; + while(running) { - if (WaitPackets(sock)) + 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; } @@ -408,6 +335,7 @@ 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; } @@ -421,6 +349,7 @@ 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; } @@ -428,42 +357,41 @@ if (connect(sock, reinterpret_cast(&addr), sizeof(addr))) return false; } -bool WaitPackets(int sd) +bool SMUX::Reconnect() { -fd_set rfds; -FD_ZERO(&rfds); -FD_SET(sd, &rfds); - -struct timeval tv; -tv.tv_sec = 0; -tv.tv_usec = 500000; +if (needReconnect && difftime(time(NULL), lastReconnectTry) < reconnectTimeout) + return true; -int res = select(sd + 1, &rfds, NULL, NULL, &tv); -if (res == -1) // Error - { - if (errno != EINTR) - { - printfd(__FILE__, "Error on select: '%s'\n", strerror(errno)); - } - return false; - } +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 (res == 0) // Timeout - { - return false; - } +if (needReconnect) + if (reconnectTimeout < 60) + reconnectTimeout *= 2; +needReconnect = true; return true; } bool SMUX::DispatchPDUs(const SMUX_PDUs_t * pdus) { -SMUXHandlers::iterator it; -it = smuxHandlers.find(pdus->present); +SMUXHandlers::iterator it(smuxHandlers.find(pdus->present)); if (it != smuxHandlers.end()) { return (this->*(it->second))(pdus); } +#ifdef SMUX_DEBUG else { switch (pdus->present) @@ -482,5 +410,117 @@ else } 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 res; + res = std::equal_range(sensors.begin(), + sensors.end(), + std::pair(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(USER_PTR userPtr) +{ +notifiers.push_back(CHG_AFTER_NOTIFIER(*this, userPtr)); +userPtr->GetProperty().tariffName.AddAfterNotifier(¬ifiers.back()); +} + +void SMUX::UnsetNotifier(USER_PTR userPtr) +{ +std::list::iterator it = notifiers.begin(); +while (it != notifiers.end()) + { + if (it->GetUserPtr() == userPtr) + { + userPtr->GetProperty().tariffName.DelAfterNotifier(&(*it)); + notifiers.erase(it); + break; + } + ++it; + } +} + +void SMUX::SetNotifiers() +{ +int h = users->OpenSearch(); +assert(h && "USERS::OpenSearch is always correct"); + +USER_PTR 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::iterator it(notifiers.begin()); +while (it != notifiers.end()) + { + it->GetUserPtr()->GetProperty().tariffName.DelAfterNotifier(&(*it)); + ++it; + } +notifiers.clear(); +}