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aa3e91ea26
10/Dec/2023 08:40:44 [PcapInterface.cpp:290] WARNING: Network Interface wg0 disappeared (is it is down ?) 10/Dec/2023 08:40:49 [PcapInterface.cpp:552] Interface wg0 is back
87 lines
3 KiB
C++
87 lines
3 KiB
C++
/*
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*
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* (C) 2013-23 - ntop.org
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef _PCAP_INTERFACE_H_
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#define _PCAP_INTERFACE_H_
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#include "ntop_includes.h"
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class PcapInterface : public NetworkInterface {
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private:
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pcap_t *pcap_handle;
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char *pcap_path;
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bool read_pkts_from_pcap_dump, read_pkts_from_pcap_dump_done,
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emulate_traffic_directions, read_from_stdin_pipe, delete_pcap_when_done;
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ProtoStats prev_stats_in, prev_stats_out;
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FILE *pcap_list;
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pcap_stat last_pcap_stat;
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u_int32_t getNumDroppedPackets();
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void cleanupPcapDumpDir();
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virtual void incEthStats(bool ingressPacket, u_int16_t proto,
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u_int32_t num_pkts, u_int32_t num_bytes,
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u_int pkt_overhead) {
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if (read_from_stdin_pipe || (!emulate_traffic_directions))
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ethStats.incStats(ingressPacket, num_pkts, num_bytes, pkt_overhead);
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ethStats.incProtoStats(proto, num_pkts, num_bytes);
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};
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public:
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PcapInterface(const char *name, u_int8_t ifIdx, bool _delete_pcap_when_done);
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virtual ~PcapInterface();
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bool isDiscoverableInterface() {
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return (getMDNS() != NULL && !isTrafficMirrored());
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};
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virtual InterfaceType getIfType() const {
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return ((read_pkts_from_pcap_dump && !reproducePcapOriginalSpeed())
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? interface_type_PCAP_DUMP
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: interface_type_PCAP);
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}
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virtual const char *get_type() const {
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return ((read_pkts_from_pcap_dump && !reproducePcapOriginalSpeed())
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? CONST_INTERFACE_TYPE_PCAP_DUMP
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: CONST_INTERFACE_TYPE_PCAP);
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};
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inline pcap_t *get_pcap_handle() { return (pcap_handle); };
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inline virtual bool areTrafficDirectionsSupported() {
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return (emulate_traffic_directions);
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};
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inline void set_pcap_handle(pcap_t *p) { pcap_handle = p; };
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inline FILE *get_pcap_list() { return (pcap_list); };
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void startPacketPolling();
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bool set_packet_filter(char *filter);
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bool read_from_pcap_dump() const { return (read_pkts_from_pcap_dump); };
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bool read_from_pcap_dump_done() const {
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return (read_pkts_from_pcap_dump_done);
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};
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void set_read_from_pcap_dump_done() { read_pkts_from_pcap_dump_done = true; };
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inline void sendTermination() {
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if (pcap_handle) pcap_breakloop(pcap_handle);
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};
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bool reproducePcapOriginalSpeed() const;
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virtual void updateDirectionStats();
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bool reopen();
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};
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#endif /* _PCAP_INTERFACE_H_ */
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