X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/6f2b31aad5691db10e33ffe60397ed75a45099cf..8bfc0bdce2bf4f53ac2c072e7a44e9a7d3b3cca8:/projects/stargazer/plugins/capture/pcap/pcap_cap.cpp?ds=sidebyside diff --git a/projects/stargazer/plugins/capture/pcap/pcap_cap.cpp b/projects/stargazer/plugins/capture/pcap/pcap_cap.cpp index 10033d03..323bd7bf 100644 --- a/projects/stargazer/plugins/capture/pcap/pcap_cap.cpp +++ b/projects/stargazer/plugins/capture/pcap/pcap_cap.cpp @@ -21,7 +21,6 @@ #include "pcap_cap.h" #include "stg/traffcounter.h" -#include "stg/plugin_creator.h" #include "stg/common.h" #include "stg/raw_ip_packet.h" @@ -32,7 +31,6 @@ //----------------------------------------------------------------------------- namespace { -PLUGIN_CREATOR pcc; const size_t SNAP_LEN = 1518; const size_t ETHER_ADDR_LEN = 6; @@ -46,13 +44,13 @@ u_short ether_type; /* IP? ARP? RARP? etc */ } -extern "C" PLUGIN * GetPlugin(); //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- -PLUGIN * GetPlugin() +extern "C" STG::Plugin* GetPlugin() { -return pcc.GetPlugin(); + static PCAP_CAP plugin; + return &plugin; } //----------------------------------------------------------------------------- //----------------------------------------------------------------------------- @@ -63,12 +61,9 @@ return "pcap_cap v.1.0"; } //----------------------------------------------------------------------------- PCAP_CAP::PCAP_CAP() - : errorStr(), - thread(), - nonstop(false), - isRunning(false), + : isRunning(false), traffCnt(NULL), - logger(GetPluginLogger(GetStgLogger(), "cap_pcap")) + logger(STG::PluginLogger::get("pcap_cap")) { } //----------------------------------------------------------------------------- @@ -182,15 +177,7 @@ while (it != devices.end()) ++it; } -nonstop = true; - -if (pthread_create(&thread, NULL, Run, this)) - { - errorStr = "Cannot create thread."; - logger("Cannot create thread."); - printfd(__FILE__, "Cannot create thread\n"); - return -1; - } +m_thread = std::jthread([this](auto token){ Run(std::move(token)); }); return 0; } @@ -200,7 +187,7 @@ int PCAP_CAP::Stop() if (!isRunning) return 0; -nonstop = false; +m_thread.request_stop(); //5 seconds to thread stops itself for (int i = 0; i < 25 && isRunning; i++) @@ -210,28 +197,9 @@ for (int i = 0; i < 25 && isRunning; i++) } //after 5 seconds waiting thread still running. now killing it if (isRunning) - { - if (pthread_kill(thread, SIGUSR1)) - { - errorStr = "Cannot kill thread."; - logger("Cannot send signal to thread."); - return -1; - } - for (int i = 0; i < 25 && isRunning; ++i) - { - struct timespec ts = {0, 200000000}; - nanosleep(&ts, NULL); - } - if (isRunning) - { - errorStr = "PCAP_CAP not stopped."; - logger("Cannot stop thread."); - printfd(__FILE__, "Cannot stop thread\n"); - return -1; - } - } - -pthread_join(thread, NULL); + m_thread.detach(); +else + m_thread.join(); for (DEV_MAP::iterator it(devices.begin()); it != devices.end(); ++it) { @@ -242,35 +210,33 @@ for (DEV_MAP::iterator it(devices.begin()); it != devices.end(); ++it) return 0; } //----------------------------------------------------------------------------- -void * PCAP_CAP::Run(void * d) +void PCAP_CAP::Run(std::stop_token token) { sigset_t signalSet; sigfillset(&signalSet); pthread_sigmask(SIG_BLOCK, &signalSet, NULL); -PCAP_CAP * dc = static_cast(d); -dc->isRunning = true; +isRunning = true; fd_set fds; FD_ZERO(&fds); int maxFd = 0; -for (DEV_MAP::const_iterator it(dc->devices.begin()); it != dc->devices.end(); ++it) +for (DEV_MAP::const_iterator it(devices.begin()); it != devices.end(); ++it) { FD_SET(it->fd, &fds); maxFd = std::max(maxFd, it->fd); } -while (dc->nonstop) +while (!token.stop_requested()) { fd_set rfds = fds; struct timeval tv = {0, 500000}; if (select(maxFd + 1, &rfds, NULL, NULL, &tv) > 0) - dc->TryRead(rfds); + TryRead(rfds); } -dc->isRunning = false; -return NULL; +isRunning = false; } void PCAP_CAP::TryRead(const fd_set & set) @@ -294,7 +260,7 @@ const ETH * eth = reinterpret_cast(packet); if (eth->ether_type != 0x8) return; -RAW_PACKET ip; +STG::RawPacket ip; memcpy(&ip.rawPacket, packet + 14, sizeof(ip.rawPacket)); -traffCnt->Process(ip); +traffCnt->process(ip); }