Annotation of embedaddon/trafshow/trafshow.h, revision 1.1
1.1 ! misho 1: /*
! 2: * Copyright (c) 1993-2004 Rinet Corp., Novosibirsk, Russia
! 3: *
! 4: * Redistribution and use in source forms, with and without modification,
! 5: * are permitted provided that this entire comment appears intact.
! 6: *
! 7: * THIS SOURCE CODE IS PROVIDED ``AS IS'' WITHOUT ANY WARRANTIES OF ANY KIND.
! 8: */
! 9:
! 10: #ifndef _TRAFSHOW_H_
! 11: #define _TRAFSHOW_H_
! 12:
! 13: #include <sys/types.h>
! 14: #include <sys/time.h>
! 15: #include <netinet/in.h>
! 16: #include <pcap.h>
! 17: #include <pthread.h>
! 18:
! 19: /*
! 20: * The default snapshot length. This value allows most printers to print
! 21: * useful information while keeping the amount of unwanted data down.
! 22: */
! 23: #ifndef INET6
! 24: #define SNAPLEN 68 /* ether + IPv4 + TCP + 14 */
! 25: #define ADDRBITLEN 32 /* in bits */
! 26: #else
! 27: #define SNAPLEN 96 /* ether + IPv6 + TCP + 22 */
! 28: #define ADDRBITLEN 128 /* in bits */
! 29: #endif
! 30:
! 31: #define REFRESH_TIME 2 /* in seconds */
! 32: #define PURGE_TIME 10 /* must be bigger than REFRESH_TIME */
! 33:
! 34: #define TEMP_DIR "/tmp"
! 35:
! 36: typedef enum { Interfaces, NetStat, FlowDump, HelpPage } ShowMode;
! 37:
! 38: #ifndef TRUE
! 39: #define TRUE 1
! 40: #endif
! 41: #ifndef FALSE
! 42: #define FALSE 0
! 43: #endif
! 44:
! 45: #ifndef MAX
! 46: #define MAX(a, b) ((b) < (a) ? (a) : (b))
! 47: #endif
! 48: #ifndef MIN
! 49: #define MIN(a, b) ((a) < (b) ? (a) : (b))
! 50: #endif
! 51: #ifndef ABS
! 52: #define ABS(a) ((a) >= 0 ? (a) : -(a))
! 53: #endif
! 54:
! 55: #if defined(htons) && defined(_BIG_ENDIAN) && defined(sparc)
! 56: #undef htons
! 57: #define htons(x) ((uint16_t)(x))
! 58: #endif
! 59: #if defined(ntohs) && defined(_BIG_ENDIAN) && defined(sparc)
! 60: #undef ntohs
! 61: #define ntohs(x) ((uint16_t)(x))
! 62: #endif
! 63:
! 64: #ifdef DEBUG
! 65: #include <time.h>
! 66: #include <stdio.h>
! 67: #define dprintf(x) \
! 68: {\
! 69: char Dbuf[50];\
! 70: struct timeval Dtv;\
! 71: gettimeofday(&Dtv, 0);\
! 72: strftime(Dbuf, sizeof(Dbuf), "%T", localtime(&Dtv.tv_sec));\
! 73: printf("%s.%03d: ", Dbuf, (int)(Dtv.tv_usec / 1000));\
! 74: printf x;\
! 75: printf("\n");\
! 76: }
! 77: #else
! 78: #define dprintf(x)
! 79: #endif
! 80:
! 81: struct netstat_header;
! 82: struct htab;
! 83: struct selector;
! 84:
! 85: typedef struct pcap_handler {
! 86: struct pcap_handler *prev, *next;
! 87: struct pcap_handler *top, *deep;
! 88:
! 89: /* fixed input parameters */
! 90:
! 91: const char *name; /* interface name */
! 92: const char *descr; /* interface description (or null) */
! 93: const char *addrstr; /* interface network address list */
! 94: pcap_t *pcap; /* pcap device handler */
! 95: pcap_addr_t *addr; /* pcap device addresses */
! 96:
! 97: /* aggregation stuff */
! 98: int masklen; /* mask length in bits */
! 99: struct netstat_header *maskhdr; /* mask address */
! 100:
! 101: /* operation parameters */
! 102:
! 103: /*struct timeval pcap_time;*/ /* last packet capture time */
! 104:
! 105: pthread_mutex_t *ns_mutex; /* netstat hash table mutex */
! 106: struct htab *ns_hash; /* netstat hash table */
! 107:
! 108: struct selector *selector; /* list items selector */
! 109: int selected; /* the flag: this item is selected */
! 110:
! 111: /* total statistics */
! 112: u_int64_t pkt_cnt; /* packet counter */
! 113: u_int64_t pkt_len; /* length of ip packet */
! 114: u_int64_t data_len; /* length of ip data */
! 115:
! 116: u_int64_t pkt_cnt_rate; /* rate of packet counter */
! 117: u_int64_t pkt_len_rate; /* rate of packet length */
! 118: u_int64_t data_len_rate; /* rate of data length */
! 119:
! 120: } PCAP_HANDLER;
! 121:
! 122:
! 123: /* function prototypes */
! 124: struct netstat;
! 125: char *pcap_setexpr(PCAP_HANDLER *ph_list, const char *expr);
! 126: PCAP_HANDLER *pcap_get_selected(PCAP_HANDLER *ph);
! 127: PCAP_HANDLER *pcap_set_selected(PCAP_HANDLER *ph, int idx);
! 128: void pcap_save(PCAP_HANDLER *ph, const struct netstat *ns);
! 129: void pcap_purge(void *arg); /* PCAP_HANDLER *ph_list */
! 130: void pcap_clear(void *arg); /* PCAP_HANDLER *ph_list */
! 131: void pcap_show(void *arg); /* PCAP_HANDLER *ph_list */
! 132:
! 133: PCAP_HANDLER *pcaph_create(PCAP_HANDLER *top, const struct netstat_header *nh);
! 134: void pcaph_close(PCAP_HANDLER *ph);
! 135:
! 136: /* global variables */
! 137:
! 138: extern char package[];
! 139: extern char version[];
! 140: extern char target[];
! 141: extern char compiled[];
! 142: extern const char *progname;
! 143: extern const char *hostname;
! 144: extern const char *color_conf;
! 145: extern char *expression;
! 146: extern char *search;
! 147: extern int aggregate;
! 148: extern int popbackflow;
! 149: extern int refresh_time;
! 150: extern int purge_time;
! 151: extern int promisc;
! 152: extern int Oflag;
! 153: extern int nflag;
! 154: extern ShowMode show_mode;
! 155:
! 156: #endif /* !_TRAFSHOW_H_ */
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