2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * Author : Maxim Mamontov <faust@stargazer.dp.ua>
23 #include "stg/plugin.h"
24 #include "stg/module_settings.h"
25 #include "stg/logger.h"
29 #pragma GCC diagnostic push
30 #pragma GCC diagnostic ignored "-Wshadow"
31 #include <jthread.hpp>
32 #pragma GCC diagnostic pop
35 #include <sys/select.h>
50 DEV() : device("any"), filterExpression("ip"), handle(NULL), fd(-1) {}
51 explicit DEV(const std::string & d) : device(d), filterExpression("ip"), handle(NULL), fd(-1) {}
52 DEV(const std::string & d, const std::string & f)
53 : device(d), filterExpression(f), handle(NULL), fd(-1) {}
56 std::string filterExpression;
58 struct bpf_program filter;
62 typedef std::vector<DEV> DEV_MAP;
64 class PCAP_CAP : public STG::Plugin {
68 void SetTraffcounter(STG::TraffCounter * tc) override { traffCnt = tc; }
72 int Reload(const STG::ModuleSettings & /*ms*/) override { return 0; }
73 bool IsRunning() override { return isRunning; }
75 void SetSettings(const STG::ModuleSettings & s) override { settings = s; }
76 int ParseSettings() override;
78 const std::string & GetStrError() const override { return errorStr; }
79 std::string GetVersion() const override;
80 uint16_t GetStartPosition() const override { return 40; }
81 uint16_t GetStopPosition() const override { return 40; }
84 PCAP_CAP(const PCAP_CAP & rvalue);
85 PCAP_CAP & operator=(const PCAP_CAP & rvalue);
87 void TryRead(const fd_set & set);
88 void TryReadDev(const DEV & dev);
90 void Run(std::stop_token token);
92 mutable std::string errorStr;
94 std::jthread m_thread;
96 STG::ModuleSettings settings;
99 STG::TraffCounter * traffCnt;
101 STG::PluginLogger logger;