X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/4a89beb9494451304e34e9a8e226936ac465c536..b2b89723a2427bba8290bd6967a1ab39cbb630be:/projects/stargazer/traffcounter_impl.cpp?ds=inline diff --git a/projects/stargazer/traffcounter_impl.cpp b/projects/stargazer/traffcounter_impl.cpp index 985de593..a4227497 100644 --- a/projects/stargazer/traffcounter_impl.cpp +++ b/projects/stargazer/traffcounter_impl.cpp @@ -45,10 +45,15 @@ #include "traffcounter_impl.h" #include "stg_timer.h" #include "users_impl.h" +#include "async_pool.h" #define FLUSH_TIME (10) #define REMOVE_TIME (31) +using STG::TraffCounterImpl; + +namespace AsyncPoolST = STG::AsyncPoolST; + const char protoName[PROTOMAX][8] = {"TCP", "UDP", "ICMP", "TCP_UDP", "ALL"}; @@ -58,163 +63,136 @@ tcp = 0, udp, icmp, tcp_udp, all }; //----------------------------------------------------------------------------- -TRAFFCOUNTER_IMPL::TRAFFCOUNTER_IMPL(USERS_IMPL * u, const std::string & fn) - : TRAFFCOUNTER(), - rules(), - packets(), - ip2packets(), - dirName(), - WriteServLog(GetStgLogger()), +TraffCounterImpl::TraffCounterImpl(UsersImpl * u, const std::string & fn) + : WriteServLog(Logger::get()), rulesFileName(fn), - monitorDir(), monitoring(false), touchTimeP(stgTime - MONITOR_TIME_DELAY_SEC), users(u), - running(false), - stopped(true), - mutex(), - thread(), - ipBeforeNotifiers(), - ipAfterNotifiers(), - addUserNotifier(*this), - delUserNotifier(*this) + stopped(true) { for (int i = 0; i < DIR_NUM; i++) strprintf(&dirName[i], "DIR%d", i); dirName[DIR_NUM] = "NULL"; -users->AddNotifierUserAdd(&addUserNotifier); -users->AddNotifierUserDel(&delUserNotifier); - -pthread_mutex_init(&mutex, NULL); +m_onAddUserConn = users->onImplAdd([this](auto user){ + AsyncPoolST::enqueue([this, user](){ SetUserNotifiers(user); }); +}); +m_onDelUserConn = users->onImplDel([this](auto user){ + AsyncPoolST::enqueue([this, user](){ UnSetUserNotifiers(user); DelUser(user->GetCurrIP()); }); +}); } //----------------------------------------------------------------------------- -TRAFFCOUNTER_IMPL::~TRAFFCOUNTER_IMPL() +TraffCounterImpl::~TraffCounterImpl() { -pthread_mutex_destroy(&mutex); } //----------------------------------------------------------------------------- -int TRAFFCOUNTER_IMPL::Start() +int TraffCounterImpl::Start() { -STG_LOCKER lock(&mutex, __FILE__, __LINE__); +std::lock_guard lock(m_mutex); if (!stopped) return 0; if (ReadRules()) { - printfd(__FILE__, "TRAFFCOUNTER_IMPL::Start() - Cannot read rules\n"); - WriteServLog("TRAFFCOUNTER: Cannot read rules."); + printfd(__FILE__, "TraffCounterImpl::Start() - Cannot read rules\n"); + WriteServLog("TraffCounter: Cannot read rules."); return -1; } -printfd(__FILE__, "TRAFFCOUNTER::Start()\n"); +printfd(__FILE__, "TraffCounter::Start()\n"); int h = users->OpenSearch(); assert(h && "USERS::OpenSearch is always correct"); -USER_IMPL * u; +UserImpl * u; while (users->SearchNext(h, &u) == 0) - { SetUserNotifiers(u); - } users->CloseSearch(h); -running = true; -if (pthread_create(&thread, NULL, Run, this)) - { - printfd(__FILE__, "TRAFFCOUNTER_IMPL::Start() - Cannot start thread\n"); - WriteServLog("TRAFFCOUNTER: Error: Cannot start thread."); - return -1; - } +m_thread = std::jthread([this](auto token){ Run(std::move(token)); }); return 0; } //----------------------------------------------------------------------------- -int TRAFFCOUNTER_IMPL::Stop() +int TraffCounterImpl::Stop() { if (stopped) return 0; -running = false; +m_thread.request_stop(); int h = users->OpenSearch(); assert(h && "USERS::OpenSearch is always correct"); -USER_IMPL * u; -while (users->SearchNext(h, &u) == 0) - { - UnSetUserNotifiers(u); - } -users->CloseSearch(h); +m_onIPConns.clear(); //5 seconds to thread stops itself struct timespec ts = {0, 200000000}; for (int i = 0; i < 25 && !stopped; i++) - { nanosleep(&ts, NULL); - } if (!stopped) +{ + m_thread.detach(); return -1; +} + +m_thread.join(); -printfd(__FILE__, "TRAFFCOUNTER::Stop()\n"); +printfd(__FILE__, "TraffCounter::Stop()\n"); return 0; } //----------------------------------------------------------------------------- -void * TRAFFCOUNTER_IMPL::Run(void * data) +void TraffCounterImpl::Run(std::stop_token token) { sigset_t signalSet; sigfillset(&signalSet); pthread_sigmask(SIG_BLOCK, &signalSet, NULL); -TRAFFCOUNTER_IMPL * tc = static_cast(data); -tc->stopped = false; +stopped = false; int c = 0; time_t touchTime = stgTime - MONITOR_TIME_DELAY_SEC; struct timespec ts = {0, 500000000}; -while (tc->running) +while (!token.stop_requested()) { nanosleep(&ts, 0); - if (!tc->running) + if (token.stop_requested()) { - tc->FlushAndRemove(); + FlushAndRemove(); break; } - if (tc->monitoring && (touchTime + MONITOR_TIME_DELAY_SEC <= stgTime)) + if (monitoring && (touchTime + MONITOR_TIME_DELAY_SEC <= stgTime)) { - std::string monFile(tc->monitorDir + "/traffcounter_r"); - printfd(__FILE__, "Monitor=%d file TRAFFCOUNTER %s\n", tc->monitoring, monFile.c_str()); + std::string monFile(monitorDir + "/traffcounter_r"); + printfd(__FILE__, "Monitor=%d file TraffCounter %s\n", monitoring, monFile.c_str()); touchTime = stgTime; - TouchFile(monFile.c_str()); + TouchFile(monFile); } if (++c % FLUSH_TIME == 0) - tc->FlushAndRemove(); + FlushAndRemove(); } -tc->stopped = true; -return NULL; +stopped = true; } //----------------------------------------------------------------------------- -void TRAFFCOUNTER_IMPL::Process(const RAW_PACKET & rawPacket) +void TraffCounterImpl::process(const RawPacket & rawPacket) { -if (!running) - return; - if (monitoring && (touchTimeP + MONITOR_TIME_DELAY_SEC <= stgTime)) { std::string monFile = monitorDir + "/traffcounter_p"; - printfd(__FILE__, "Monitor=%d file TRAFFCOUNTER %s\n", monitoring, monFile.c_str()); + printfd(__FILE__, "Monitor=%d file TraffCounter %s\n", monitoring, monFile.c_str()); touchTimeP = stgTime; - TouchFile(monFile.c_str()); + TouchFile(monFile); } -STG_LOCKER lock(&mutex, __FILE__, __LINE__); +std::lock_guard lock(m_mutex); -//printfd(__FILE__, "TRAFFCOUNTER::Process()\n"); +//printfd(__FILE__, "TraffCounter::Process()\n"); //TODO replace find with lower_bound. // Searching a new packet in a tree. @@ -243,7 +221,7 @@ if (pi != packets.end()) return; } -PACKET_EXTRA_DATA ed; +PacketExtraData ed; // Packet not found - add new packet @@ -288,9 +266,9 @@ if (ed.userUPresent || } } //----------------------------------------------------------------------------- -void TRAFFCOUNTER_IMPL::FlushAndRemove() +void TraffCounterImpl::FlushAndRemove() { -STG_LOCKER lock(&mutex, __FILE__, __LINE__); +std::lock_guard lock(m_mutex); Packets::size_type oldPacketsSize = packets.size(); Index::size_type oldIp2packetsSize = ip2packets.size(); @@ -371,13 +349,13 @@ printfd(__FILE__, "FlushAndRemove() packets: %d(rem %d) ip2packets: %d(rem %d)\n } //----------------------------------------------------------------------------- -void TRAFFCOUNTER_IMPL::AddUser(USER_IMPL * user) +void TraffCounterImpl::AddUser(UserImpl * user) { printfd(__FILE__, "AddUser: %s\n", user->GetLogin().c_str()); uint32_t uip = user->GetCurrIP(); std::pair pi; -STG_LOCKER lock(&mutex, __FILE__, __LINE__); +std::lock_guard lock(m_mutex); // Find all packets with IP belongs to this user pi = ip2packets.equal_range(uip); @@ -385,7 +363,7 @@ while (pi.first != pi.second) { if (pi.first->second->first.GetSrcIP() == uip) { - assert((!pi.first->second->second.userUPresent || + assert((!pi.first->second->second.userUPresent || pi.first->second->second.userU == user) && "U user present but it's not current user"); @@ -396,7 +374,7 @@ while (pi.first != pi.second) if (pi.first->second->first.GetDstIP() == uip) { - assert((!pi.first->second->second.userDPresent || + assert((!pi.first->second->second.userDPresent || pi.first->second->second.userD == user) && "D user present but it's not current user"); @@ -409,12 +387,12 @@ while (pi.first != pi.second) } } //----------------------------------------------------------------------------- -void TRAFFCOUNTER_IMPL::DelUser(uint32_t uip) +void TraffCounterImpl::DelUser(uint32_t uip) { printfd(__FILE__, "DelUser: %s \n", inet_ntostring(uip).c_str()); std::pair pi; -STG_LOCKER lock(&mutex, __FILE__, __LINE__); +std::lock_guard lock(m_mutex); pi = ip2packets.equal_range(uip); while (pi.first != pi.second) @@ -462,71 +440,45 @@ while (pi.first != pi.second) ip2packets.erase(pi.first, pi.second); } //----------------------------------------------------------------------------- -void TRAFFCOUNTER_IMPL::SetUserNotifiers(USER_IMPL * user) +void TraffCounterImpl::SetUserNotifiers(UserImpl* user) { -// Adding user. Adding notifiers to user. -TRF_IP_BEFORE ipBNotifier(*this, user); -ipBeforeNotifiers.push_front(ipBNotifier); -user->AddCurrIPBeforeNotifier(&(*ipBeforeNotifiers.begin())); - -TRF_IP_AFTER ipANotifier(*this, user); -ipAfterNotifiers.push_front(ipANotifier); -user->AddCurrIPAfterNotifier(&(*ipAfterNotifiers.begin())); + // Adding user. Adding notifiers to user. + m_onIPConns.emplace_back( + user->GetID(), + user->beforeCurrIPChange([this](auto oldVal, auto /*newVal*/){ beforeIPChange(oldVal); }), + user->afterCurrIPChange([this, user](auto /*oldVal*/, auto newVal){ afterIPChange(user, newVal); }) + ); } //----------------------------------------------------------------------------- -void TRAFFCOUNTER_IMPL::UnSetUserNotifiers(USER_IMPL * user) +void TraffCounterImpl::UnSetUserNotifiers(UserImpl * user) { -// Removing user. Removing notifiers from user. -std::list::iterator bi; -std::list::iterator ai; - -bi = ipBeforeNotifiers.begin(); -while (bi != ipBeforeNotifiers.end()) - { - if (user->GetLogin() == bi->GetUser()->GetLogin()) - { - user->DelCurrIPBeforeNotifier(&(*bi)); - ipBeforeNotifiers.erase(bi); - break; - } - ++bi; - } - -ai = ipAfterNotifiers.begin(); -while (ai != ipAfterNotifiers.end()) - { - if (user->GetLogin() == ai->GetUser()->GetLogin()) - { - user->DelCurrIPAfterNotifier(&(*ai)); - ipAfterNotifiers.erase(ai); - break; - } - ++ai; - } + // Removing user. Removing notifiers from user. + m_onIPConns.erase(std::remove_if(m_onIPConns.begin(), m_onIPConns.end(), + [user](const auto& cs){ return std::get<0>(cs) == user->GetID(); }), + m_onIPConns.end()); } //----------------------------------------------------------------------------- -void TRAFFCOUNTER_IMPL::DeterminateDir(const RAW_PACKET & packet, +void TraffCounterImpl::DeterminateDir(const RawPacket & packet, int * dirU, // Direction for incoming packet int * dirD) const // Direction for outgoing packet { -bool addrMatchU; -bool portMatchU; -bool addrMatchD; -bool portMatchD; +bool addrMatchU = false; +bool portMatchU = false; +bool addrMatchD = false; +bool portMatchD = false; bool foundU = false; // Was rule for U found ? bool foundD = false; // Was rule for D found ? //printfd(__FILE__, "foundU=%d, foundD=%d\n", foundU, foundD); enum { ICMP_RPOTO = 1, TCP_PROTO = 6, UDP_PROTO = 17 }; -std::list::const_iterator ln; +std::list::const_iterator ln; ln = rules.begin(); while (ln != rules.end()) { if (!foundU) { - addrMatchU = false; portMatchU = false; switch (ln->proto) @@ -572,7 +524,6 @@ while (ln != rules.end()) if (!foundD) { - addrMatchD = false; portMatchD = false; switch (ln->proto) @@ -625,11 +576,11 @@ if (!foundD) *dirD = DIR_NUM; } //----------------------------------------------------------------------------- -bool TRAFFCOUNTER_IMPL::ReadRules(bool test) +bool TraffCounterImpl::ReadRules(bool test) { -//printfd(__FILE__, "TRAFFCOUNTER::ReadRules()\n"); +//printfd(__FILE__, "TraffCounter::ReadRules()\n"); -RULE rul; +Rule rul; FILE * f; char str[1024]; char tp[100]; // protocol @@ -641,7 +592,7 @@ f = fopen(rulesFileName.c_str(), "rt"); if (!f) { - printfd(__FILE__, "TRAFFCOUNTER_IMPL::ReadRules() - File '%s' cannot be opened.\n", rulesFileName.c_str()); + printfd(__FILE__, "TraffCounterImpl::ReadRules() - File '%s' cannot be opened.\n", rulesFileName.c_str()); WriteServLog("File '%s' cannot be oppened.", rulesFileName.c_str()); return true; } @@ -654,10 +605,10 @@ while (fgets(str, 1023, f)) continue; } - r = sscanf(str,"%100s %100s %100s", tp, ta, td); + r = sscanf(str,"%99s %99s %99s", tp, ta, td); if (r != 3) { - printfd(__FILE__, "TRAFFCOUNTER_IMPL::ReadRules() - Error in file '%s' at line %d. There must be 3 parameters.\n", rulesFileName.c_str(), lineNumber); + printfd(__FILE__, "TraffCounterImpl::ReadRules() - Error in file '%s' at line %d. There must be 3 parameters.\n", rulesFileName.c_str(), lineNumber); WriteServLog("Error in file '%s' at line %d. There must be 3 parameters.", rulesFileName.c_str(), lineNumber); fclose(f); return true; @@ -680,7 +631,7 @@ while (fgets(str, 1023, f)) if (rul.dir == 0xff || rul.proto == 0xff) { - printfd(__FILE__, "TRAFFCOUNTER_IMPL::ReadRules() - Error in file '%s' at line %d.\n", rulesFileName.c_str(), lineNumber); + printfd(__FILE__, "TraffCounterImpl::ReadRules() - Error in file '%s' at line %d.\n", rulesFileName.c_str(), lineNumber); WriteServLog("Error in file %s. Line %d.", rulesFileName.c_str(), lineNumber); fclose(f); @@ -689,7 +640,7 @@ while (fgets(str, 1023, f)) if (ParseAddress(ta, &rul) != 0) { - printfd(__FILE__, "TRAFFCOUNTER_IMPL::ReadRules() - Error in file '%s' at line %d. Error in adress.\n", rulesFileName.c_str(), lineNumber); + printfd(__FILE__, "TraffCounterImpl::ReadRules() - Error in file '%s' at line %d. Error in adress.\n", rulesFileName.c_str(), lineNumber); WriteServLog("Error in file %s. Error in adress. Line %d.", rulesFileName.c_str(), lineNumber); fclose(f); @@ -715,25 +666,25 @@ if (!test) return false; } //----------------------------------------------------------------------------- -int TRAFFCOUNTER_IMPL::Reload() +int TraffCounterImpl::Reload() { -STG_LOCKER lock(&mutex, __FILE__, __LINE__); +std::lock_guard lock(m_mutex); if (ReadRules(true)) { - printfd(__FILE__, "TRAFFCOUNTER_IMPL::Reload() - Failed to reload rules.\n"); - WriteServLog("TRAFFCOUNTER: Cannot reload rules. Errors found."); + printfd(__FILE__, "TraffCounterImpl::Reload() - Failed to reload rules.\n"); + WriteServLog("TraffCounter: Cannot reload rules. Errors found."); return -1; } FreeRules(); ReadRules(); -printfd(__FILE__, "TRAFFCOUNTER_IMPL::Reload() - Reloaded rules successfully.\n"); -WriteServLog("TRAFFCOUNTER: Reloaded rules successfully."); +printfd(__FILE__, "TraffCounterImpl::Reload() - Reloaded rules successfully.\n"); +WriteServLog("TraffCounter: Reloaded rules successfully."); return 0; } //----------------------------------------------------------------------------- -bool TRAFFCOUNTER_IMPL::ParseAddress(const char * ta, RULE * rule) const +bool TraffCounterImpl::ParseAddress(const char * ta, Rule * rule) const { char addr[50], mask[20], port1[20], port2[20], ports[40]; @@ -783,7 +734,7 @@ if (n == ':') // port if (!(rule->proto == tcp || rule->proto == udp || rule->proto == tcp_udp)) { - printfd(__FILE__, "TRAFFCOUNTER_IMPL::ParseAddress() - No ports specified for this protocol.\n"); + printfd(__FILE__, "TraffCounterImpl::ParseAddress() - No ports specified for this protocol.\n"); WriteServLog("No ports specified for this protocol."); return true; } @@ -837,12 +788,10 @@ if (r == 0) rule->ip = ipaddr.s_addr; rule->mask = CalcMask(msk); -//msk = 1; -//printfd(__FILE__, "msk=%d mask=%08X mask=%08X\n", msk, rule->mask, (0xFFffFFff << (32 - msk))); if ((ipaddr.s_addr & rule->mask) != ipaddr.s_addr) { - printfd(__FILE__, "TRAFFCOUNTER_IMPL::ParseAddress() - Address does'n match mask.\n"); + printfd(__FILE__, "TraffCounterImpl::ParseAddress() - Address does'n match mask.\n"); WriteServLog("Address does'n match mask."); return true; } @@ -853,21 +802,39 @@ rule->port2 = prt2; return false; } //----------------------------------------------------------------------------- -uint32_t TRAFFCOUNTER_IMPL::CalcMask(uint32_t msk) const +uint32_t TraffCounterImpl::CalcMask(uint32_t msk) const { if (msk >= 32) return 0xFFffFFff; if (msk == 0) return 0; return htonl(0xFFffFFff << (32 - msk)); } //--------------------------------------------------------------------------- -void TRAFFCOUNTER_IMPL::FreeRules() +void TraffCounterImpl::FreeRules() { rules.clear(); } //----------------------------------------------------------------------------- -void TRAFFCOUNTER_IMPL::SetMonitorDir(const std::string & dir) +void TraffCounterImpl::SetMonitorDir(const std::string & dir) { monitorDir = dir; monitoring = !monitorDir.empty(); } //----------------------------------------------------------------------------- +void TraffCounterImpl::beforeIPChange(uint32_t oldVal) +{ + // User changes his address. Remove old IP + if (!oldVal) + return; + + AsyncPoolST::enqueue([this, oldVal](){ DelUser(oldVal); }); +} +//----------------------------------------------------------------------------- +void TraffCounterImpl::afterIPChange(UserImpl* user, uint32_t newVal) +{ + // User changes his address. Add new IP + if (!newVal) + return; + + AsyncPoolST::enqueue([this, user](){ AddUser(user); }); +} +//-----------------------------------------------------------------------------