#include <cerrno>
#include <ctime>
#include <csignal>
+#include <cassert>
#include <vector>
#include <algorithm>
-
-#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 <iterator>
+#include <stdexcept>
+#include <utility>
#include "stg/common.h"
#include "smux.h"
+#include "utils.h"
-bool WaitPackets(int sd);
+using STG::SMUX;
+using STG::SMUX_SETTINGS;
-bool String2OI(const std::string & str, OBJECT_IDENTIFIER_t * oi)
+namespace
{
-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)
-{
-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;
-}
-
-int SendClosePDU(int fd)
-{
-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;
-}
-
-int SendRReqPDU(int fd)
+bool SPrefixLess(const Sensors::value_type & a,
+ const Sensors::value_type & b)
{
-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;
+return a.first.PrefixLess(b.first);
}
-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;
}
-int ParseIntInRange(const std::string & str,
- int min,
- int max,
- int * val)
+extern "C" STG::Plugin* GetPlugin()
{
-if (str2x(str.c_str(), *val))
- {
- return -1;
- }
-if (*val < min || *val > max)
- {
- return -1;
- }
-return 0;
+ static SMUX plugin;
+ return &plugin;
}
SMUX_SETTINGS::SMUX_SETTINGS()
port(0)
{}
-int SMUX_SETTINGS::ParseSettings(const MODULE_SETTINGS & s)
+int SMUX_SETTINGS::ParseSettings(const ModuleSettings & s)
{
-PARAM_VALUE pv;
-std::vector<PARAM_VALUE>::const_iterator pvi;
+ParamValue pv;
int p;
-///////////////////////////
+
pv.param = "Port";
-pvi = std::find(s.moduleParams.begin(), s.moduleParams.end(), pv);
-if (pvi == s.moduleParams.end())
+auto 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))
+if (ParseIntInRange(pvi->value[0], 2, 65535, &p) != 0)
{
errorStr = "Cannot parse parameter \'Port\': " + errorStr;
printfd(__FILE__, "Cannot parse parameter 'Port'\n");
return -1;
}
-port = p;
+port = static_cast<uint16_t>(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");
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");
}
SMUX::SMUX()
- : PLUGIN(),
- users(NULL),
- tariffs(NULL),
- running(false),
+ : users(nullptr),
+ tariffs(nullptr),
+ admins(nullptr),
+ services(nullptr),
+ corporations(nullptr),
+ traffcounter(nullptr),
stopped(true),
- sock(-1)
+ needReconnect(false),
+ lastReconnectTry(0),
+ reconnectTimeout(1),
+ sock(-1),
+ logger(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;
SMUX::~SMUX()
{
-Sensors::iterator it;
-for (it = sensors.begin(); it != sensors.end(); ++it)
- delete it->second;
-printfd(__FILE__, "SMUX::~SMUX()\n");
-pthread_mutex_destroy(&mutex);
+ for (auto& kv : sensors)
+ delete kv.second;
+ for (auto& kv : tables)
+ delete kv.second;
+ printfd(__FILE__, "SMUX::~SMUX()\n");
}
int SMUX::ParseSettings()
int SMUX::Start()
{
+assert(users != nullptr && "users must not be NULL");
+assert(tariffs != nullptr && "tariffs must not be NULL");
+assert(admins != nullptr && "admins must not be NULL");
+assert(services != nullptr && "services must not be NULL");
+assert(corporations != nullptr && "corporations must not be NULL");
+assert(traffcounter != nullptr && "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);
-
-if (!running)
+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
+auto it = sensors.begin();
+while (it != sensors.end())
{
- if (pthread_create(&thread, NULL, Runner, this))
- {
- errorStr = "Cannot create thread.";
- printfd(__FILE__, "Cannot create thread\n");
- return -1;
- }
+ printfd(__FILE__, "%s = %s\n",
+ it->first.ToString().c_str(),
+ it->second->ToString().c_str());
+ ++it;
}
+#endif
+
+if (!m_thread.joinable())
+ m_thread = std::jthread([this](auto token){ Run(std::move(token)); });
return 0;
}
int SMUX::Stop()
{
printfd(__FILE__, "SMUX::Stop() - Before\n");
-running = false;
+m_thread.request_stop();
if (!stopped)
{
for (int i = 0; i < 25 && !stopped; i++)
{
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");
+ nanosleep(&ts, nullptr);
}
}
-pthread_join(thread, NULL);
+if (!stopped)
+ m_thread.detach();
+else
+ m_thread.join();
+
+ResetNotifiers();
+
+for (auto& kv : sensors)
+ delete kv.second;
+for (auto& kv : tables)
+ delete kv.second;
+
+tables.erase(tables.begin(), tables.end());
+sensors.erase(sensors.begin(), sensors.end());
close(sock);
+if (!stopped)
+ {
+ return -1;
+ }
+
printfd(__FILE__, "SMUX::Stop() - After\n");
return 0;
}
-void * SMUX::Runner(void * d)
+int SMUX::Reload(const ModuleSettings & /*ms*/)
{
-SMUX * smux = static_cast<SMUX *>(d);
-
-smux->Run();
-
-return NULL;
+if (Stop() != 0)
+ return -1;
+if (Start() != 0)
+ return -1;
+if (!needReconnect)
+ {
+ printfd(__FILE__, "SMUX reconnected succesfully.\n");
+ logger("Reconnected successfully.");
+ }
+return 0;
}
-void SMUX::Run()
+void SMUX::Run(std::stop_token token)
{
-SendOpenPDU(sock);
-SendRReqPDU(sock);
-running = true;
+stopped = true;
+if (!SendOpenPDU(sock))
+ needReconnect = true;
+if (!SendRReqPDU(sock))
+ 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)
+ auto* pdus = RecvSMUXPDUs(sock);
+ if (pdus != nullptr)
+ {
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);
if (sock < 0)
{
errorStr = "Cannot create socket.";
+ logger("Cannot create a socket: %s", strerror(errno));
printfd(__FILE__, "Cannot create socket\n");
return true;
}
addr.sin_port = htons(smuxSettings.GetPort());
addr.sin_addr.s_addr = smuxSettings.GetIP();
-if (connect(sock, reinterpret_cast<struct sockaddr *>(&addr), sizeof(addr)))
+if (connect(sock, reinterpret_cast<struct sockaddr *>(&addr), sizeof(addr)) != 0)
{
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 WaitPackets(int sd)
+bool SMUX::Reconnect()
{
-fd_set rfds;
-FD_ZERO(&rfds);
-FD_SET(sd, &rfds);
+if (needReconnect && difftime(time(nullptr), lastReconnectTry) < reconnectTimeout)
+ return true;
-struct timeval tv;
-tv.tv_sec = 0;
-tv.tv_usec = 500000;
+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;
+ }
-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;
- }
-
-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);
+auto it = smuxHandlers.find(pdus->present);
if (it != smuxHandlers.end())
- {
return (this->*(it->second))(pdus);
- }
+#ifdef SMUX_DEBUG
else
{
switch (pdus->present)
}
asn_fprint(stderr, &asn_DEF_SMUX_PDUs, pdus);
}
+#endif
return false;
}
+
+bool SMUX::UpdateTables()
+{
+Sensors newSensors;
+bool done = true;
+auto 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)
+ {
+ auto sit = newSensors.begin();
+ while (sit != newSensors.end())
+ {
+ delete sit->second;
+ ++sit;
+ }
+ return false;
+ }
+
+it = tables.begin();
+while (it != tables.end())
+ {
+ auto res = std::equal_range(sensors.begin(),
+ sensors.end(),
+ std::pair<OID, Sensor *>(OID(it->first), nullptr),
+ SPrefixLess);
+ auto 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)
+{
+ m_conns.emplace_back(
+ userPtr->GetID(),
+ userPtr->GetProperties().tariffName.afterChange([this](const auto&, const auto&){ UpdateTables(); })
+ );
+}
+
+void SMUX::UnsetNotifier(UserPtr userPtr)
+{
+ m_conns.erase(std::remove_if(m_conns.begin(), m_conns.end(),
+ [userPtr](const auto& c){ return std::get<0>(c) == userPtr->GetID(); }),
+ m_conns.end());
+}
+
+void SMUX::SetNotifiers()
+{
+int h = users->OpenSearch();
+assert(h && "USERS::OpenSearch is always correct");
+
+UserPtr u;
+while (users->SearchNext(h, &u) == 0)
+ SetNotifier(u);
+
+users->CloseSearch(h);
+
+m_onAddUserConn = users->onAdd([this](auto user){
+ SetNotifier(user);
+ UpdateTables();
+});
+m_onDelUserConn = users->onDel([this](auto user){
+ UnsetNotifier(user);
+ UpdateTables();
+});
+
+auto updateTables = [this](const TariffData&){ UpdateTables(); };
+m_onAddTariffConn = tariffs->onAdd(updateTables);
+m_onDelTariffConn = tariffs->onDel(updateTables);
+}
+
+void SMUX::ResetNotifiers()
+{
+m_onAddTariffConn.disconnect();
+m_onDelTariffConn.disconnect();
+
+m_onAddUserConn.disconnect();
+m_onDelUserConn.disconnect();
+
+m_conns.clear();
+}
git.stg.codes / stg.git / blobdiff