$Author: faust $
*/
-/* inet_aton */
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
+#include "stg/common.h"
+#include "stg/const.h" // MONITOR_TIME_DELAY_SEC
+#include "traffcounter_impl.h"
+#include "stg_timer.h"
+#include "users_impl.h"
+#include "async_pool.h"
+#include <algorithm>
#include <csignal>
#include <cassert>
#include <cstdio> // fopen and similar
#include <cstdlib> // strtol
-#include "stg/common.h"
-#include "stg/locker.h"
-#include "traffcounter_impl.h"
-#include "stg_timer.h"
-#include "users_impl.h"
+/* inet_aton */
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.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"};
};
//-----------------------------------------------------------------------------
-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<std::mutex> 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);
- }
+ std::this_thread::sleep_for(std::chrono::milliseconds(200));
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<TRAFFCOUNTER_IMPL *>(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)
+ std::this_thread::sleep_for(std::chrono::milliseconds(500));
+ 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;
-
-static time_t touchTime = stgTime - MONITOR_TIME_DELAY_SEC;
-
-if (monitoring && (touchTime + MONITOR_TIME_DELAY_SEC <= stgTime))
+if (monitoring && (touchTimeP + MONITOR_TIME_DELAY_SEC <= stgTime))
{
- static std::string monFile = monitorDir + "/traffcounter_p";
- printfd(__FILE__, "Monitor=%d file TRAFFCOUNTER %s\n", monitoring, monFile.c_str());
- touchTime = stgTime;
- TouchFile(monFile.c_str());
+ std::string monFile = monitorDir + "/traffcounter_p";
+ printfd(__FILE__, "Monitor=%d file TraffCounter %s\n", monitoring, monFile.c_str());
+ touchTimeP = stgTime;
+ TouchFile(monFile);
}
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+std::lock_guard<std::mutex> 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.
return;
}
-PACKET_EXTRA_DATA ed;
+PacketExtraData ed;
// Packet not found - add new packet
}
}
//-----------------------------------------------------------------------------
-void TRAFFCOUNTER_IMPL::FlushAndRemove()
+void TraffCounterImpl::FlushAndRemove()
{
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+std::lock_guard<std::mutex> lock(m_mutex);
-int oldPacketsSize = packets.size();
-int oldIp2packetsSize = ip2packets.size();
+Packets::size_type oldPacketsSize = packets.size();
+Index::size_type oldIp2packetsSize = ip2packets.size();
pp_iter pi;
pi = packets.begin();
-std::map<RAW_PACKET, PACKET_EXTRA_DATA> newPackets;
+Packets newPackets;
ip2packets.erase(ip2packets.begin(), ip2packets.end());
while (pi != packets.end())
{
}
//-----------------------------------------------------------------------------
-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<ip2p_iter, ip2p_iter> pi;
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+std::lock_guard<std::mutex> lock(m_mutex);
// Find all packets with IP belongs to this user
pi = ip2packets.equal_range(uip);
{
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");
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");
}
}
//-----------------------------------------------------------------------------
-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<ip2p_iter, ip2p_iter> pi;
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+std::lock_guard<std::mutex> lock(m_mutex);
pi = ip2packets.equal_range(uip);
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<TRF_IP_BEFORE>::iterator bi;
-std::list<TRF_IP_AFTER>::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<RULE>::const_iterator ln;
+std::list<Rule>::const_iterator ln;
ln = rules.begin();
while (ln != rules.end())
{
if (!foundU)
{
- addrMatchU = false;
portMatchU = false;
switch (ln->proto)
foundU = true;
*dirU = ln->dir;
//printfd(__FILE__, "Up rule ok! %d\n", ln->dir);
- //PrintRule(ln->rule);
}
} //if (!foundU)
if (!foundD)
{
- addrMatchD = false;
portMatchD = false;
switch (ln->proto)
foundD = true;
*dirD = ln->dir;
//printfd(__FILE__, "Down rule ok! %d\n", ln->dir);
- //PrintRule(ln->rule);
}
} //if (!foundD)
*dirD = DIR_NUM;
}
//-----------------------------------------------------------------------------
-void TRAFFCOUNTER_IMPL::SetRulesFile(const std::string & fn)
+bool TraffCounterImpl::ReadRules(bool test)
{
-rulesFileName = fn;
-}
-//-----------------------------------------------------------------------------
-bool TRAFFCOUNTER_IMPL::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
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;
}
continue;
}
- r = sscanf(str,"%s %s %s", 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;
rul.proto = 0xff;
rul.dir = 0xff;
- for (int i = 0; i < PROTOMAX; i++)
+ for (uint8_t i = 0; i < PROTOMAX; i++)
{
if (strcasecmp(tp, protoName[i]) == 0)
rul.proto = i;
}
- for (int i = 0; i < DIR_NUM + 1; i++)
+ for (uint32_t i = 0; i < DIR_NUM + 1; i++)
{
if (td == dirName[i])
rul.dir = i;
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);
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);
}
if (!test)
rules.push_back(rul);
- //PrintRule(rul);
}
fclose(f);
if (!test)
rules.push_back(rul);
-//PrintRule(rul);
-
return false;
}
//-----------------------------------------------------------------------------
-int TRAFFCOUNTER_IMPL::Reload()
+int TraffCounterImpl::Reload()
{
-STG_LOCKER lock(&mutex, __FILE__, __LINE__);
+std::lock_guard<std::mutex> 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() - Reload rules successfull.\n");
-WriteServLog("TRAFFCOUNTER: Reload rules successfull.");
+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];
-int len = strlen(ta);
+size_t len = strlen(ta);
char n = 0;
-int i, p;
+size_t i, p;
memset(addr, 0, sizeof(addr));
for (i = 0; i < len; i++)
{
// 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;
}
}
// Convert strings to mask, ports and IP
-int prt1, prt2, msk;
-unsigned ip;
+uint16_t prt1, prt2, msk;
+struct in_addr ipaddr;
char *res;
-msk = strtol(mask, &res, 10);
+msk = static_cast<uint16_t>(strtol(mask, &res, 10));
if (*res != 0)
return true;
-prt1 = strtol(port1, &res, 10);
+prt1 = static_cast<uint16_t>(strtol(port1, &res, 10));
if (*res != 0)
return true;
-prt2 = strtol(port2, &res, 10);
+prt2 = static_cast<uint16_t>(strtol(port2, &res, 10));
if (*res != 0)
return true;
-int r = inet_aton(addr, (struct in_addr*)&ip);
+int r = inet_aton(addr, &ipaddr);
if (r == 0)
return true;
-rule->ip = ip;
+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 ((ip & rule->mask) != ip)
+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;
}
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::PrintRule(RULE rule) const
+void TraffCounterImpl::SetMonitorDir(const std::string & dir)
{
-printf("%15s ", inet_ntostring(rule.ip).c_str());
-printf("mask=%08X ", rule.mask);
-printf("port1=%5d ", rule.port1);
-printf("port2=%5d ", rule.port2);
-switch (rule.proto)
- {
- case 0:
- printf("TCP ");
- break;
- case 1:
- printf("UDP ");
- break;
- case 2:
- printf("ICMP ");
- break;
- case 3:
- printf("TCP_UDP ");
- break;
- case 4:
- printf("ALL ");
- break;
- }
-printf("dir=%u \n", static_cast<unsigned>(rule.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 TRAFFCOUNTER_IMPL::SetMonitorDir(const std::string & monitorDir)
+void TraffCounterImpl::afterIPChange(UserImpl* user, uint32_t newVal)
{
-TRAFFCOUNTER_IMPL::monitorDir = monitorDir;
-monitoring = (monitorDir != "");
+ // User changes his address. Add new IP
+ if (!newVal)
+ return;
+
+ AsyncPoolST::enqueue([this, user](){ AddUser(user); });
}
//-----------------------------------------------------------------------------
git.stg.codes / stg.git / blobdiff