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
22 * Author : Maxim Mamontov <faust@stg.dp.ua>
27 $Date: 2009/12/13 12:56:07 $
37 #include "stg/os_int.h"
38 #include "stg/plugin.h"
39 #include "stg/module_settings.h"
41 #define VERSION "CAP_NF v. 0.4"
54 uint16_t version; // Protocol version
55 uint16_t count; // Flows count
56 uint32_t uptime; // System uptime
57 uint32_t timestamp; // UNIX timestamp
58 uint32_t nsecs; // Residual nanoseconds
59 uint32_t flowSeq; // Sequence counter
60 uint8_t eType; // Engine type
61 uint8_t eID; // Engine ID
62 uint16_t sInterval; // Sampling mode and interval
63 } __attribute__ ((packed));
66 uint32_t srcAddr; // Flow source address
67 uint32_t dstAddr; // Flow destination address
68 uint32_t nextHop; // IP addres on next hop router
69 uint16_t inSNMP; // SNMP index of input iface
70 uint16_t outSNMP; // SNMP index of output iface
71 uint32_t packets; // Packets in flow
72 uint32_t octets; // Total number of bytes in flow
73 uint32_t timeStart; // Uptime on first packet in flow
74 uint32_t timeFinish;// Uptime on last packet in flow
75 uint16_t srcPort; // Flow source port
76 uint16_t dstPort; // Flow destination port
77 uint8_t pad1; // 1-byte padding
78 uint8_t TCPFlags; // Cumulative OR of TCP flags
79 uint8_t proto; // IP protocol type (tcp, udp, etc.)
80 uint8_t tos; // IP Type of Service (ToS)
81 uint16_t srcAS; // Source BGP autonomous system number
82 uint16_t dstAS; // Destination BGP autonomus system number
83 uint8_t srcMask; // Source address mask in "slash" notation
84 uint8_t dstMask; // Destination address mask in "slash" notation
85 uint16_t pad2; // 2-byte padding
86 } __attribute__ ((packed));
88 #define BUF_SIZE (sizeof(NF_HEADER) + 30 * sizeof(NF_DATA))
90 class NF_CAP : public PLUGIN {
95 void SetTraffcounter(TRAFFCOUNTER * tc) { traffCnt = tc; }
96 void SetSettings(const MODULE_SETTINGS & s) { settings = s; }
101 int Reload() { return 0; }
102 bool IsRunning() { return runningTCP || runningUDP; }
103 const std::string & GetStrError() const { return errorStr; }
104 const std::string GetVersion() const { return VERSION; }
105 uint16_t GetStartPosition() const { return START_POS; }
106 uint16_t GetStopPosition() const { return STOP_POS; }
109 TRAFFCOUNTER * traffCnt;
110 MODULE_SETTINGS settings;
121 mutable std::string errorStr;
123 static void * RunUDP(void *);
124 static void * RunTCP(void *);
125 void ParseBuffer(uint8_t *, int);
129 void CloseTCP() { close(sockTCP); }
130 void CloseUDP() { close(sockUDP); }
132 bool WaitPackets(int sd) const;
135 extern "C" PLUGIN * GetPlugin();