| 1 | /* Show the top 'n' flows from a libtrace source |
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| 2 | * |
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| 3 | */ |
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| 4 | #define __STDC_FORMAT_MACROS 1 |
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| 5 | #include "config.h" |
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| 6 | #include "libtrace.h" |
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| 7 | #include <stdio.h> |
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| 8 | #include <getopt.h> |
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| 9 | #include <stdlib.h> |
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| 10 | #include <map> |
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| 11 | #include <queue> |
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| 12 | #include <inttypes.h> |
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| 13 | #include <sys/socket.h> |
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| 14 | #include <netdb.h> |
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| 15 | #include <string.h> |
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| 16 | #include <assert.h> |
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| 17 | #ifdef HAVE_NETPACKET_PACKET_H |
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| 18 | #include <netpacket/packet.h> |
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| 19 | #include <net/ethernet.h> |
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| 20 | #else |
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| 21 | #include <net/if_dl.h> |
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| 22 | #endif |
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| 23 | |
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| 24 | #if HAVE_NCURSES_NCURSES_H |
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| 25 | #include <ncurses/ncurses.h> |
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| 26 | #else |
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| 27 | #include <ncurses.h> |
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| 28 | #endif |
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| 29 | |
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| 30 | typedef enum { BITS_PER_SEC, BYTES, PERCENT } display_t; |
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| 31 | display_t display_as = BYTES; |
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| 32 | float interval=2; |
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| 33 | double last_report=0; |
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| 34 | |
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| 35 | bool use_sip = true; |
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| 36 | bool use_dip = true; |
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| 37 | bool use_sport = true; |
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| 38 | bool use_dport = true; |
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| 39 | bool use_protocol = true; |
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| 40 | bool quit = false; |
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| 41 | bool fullspeed = false; |
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| 42 | bool wide_display = false; |
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| 43 | |
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| 44 | uint64_t total_bytes=0; |
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| 45 | uint64_t total_packets=0; |
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| 46 | |
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| 47 | int cmp_sockaddr_in6(const struct sockaddr_in6 *a, const struct sockaddr_in6 *b) |
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| 48 | { |
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| 49 | if (a->sin6_port != b->sin6_port) |
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| 50 | return a->sin6_port - b->sin6_port; |
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| 51 | return memcmp(a->sin6_addr.s6_addr,b->sin6_addr.s6_addr,sizeof(a->sin6_addr.s6_addr)); |
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| 52 | } |
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| 53 | |
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| 54 | int cmp_sockaddr_in(const struct sockaddr_in *a, const struct sockaddr_in *b) |
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| 55 | { |
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| 56 | if (a->sin_port != b->sin_port) |
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| 57 | return a->sin_port - b->sin_port; |
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| 58 | return a->sin_addr.s_addr - b->sin_addr.s_addr; |
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| 59 | } |
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| 60 | |
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| 61 | #ifdef HAVE_NETPACKET_PACKET_H |
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| 62 | int cmp_sockaddr_ll(const struct sockaddr_ll *a, const struct sockaddr_ll *b) |
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| 63 | { |
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| 64 | return memcmp(a->sll_addr, b->sll_addr, b->sll_halen); |
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| 65 | } |
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| 66 | #else |
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| 67 | int cmp_sockaddr_dl(const struct sockaddr_dl *a, const struct sockaddr_dl *b) |
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| 68 | { |
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| 69 | return memcmp(a->sdl_data, b->sdl_data, b->sdl_alen); |
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| 70 | } |
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| 71 | |
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| 72 | #endif |
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| 73 | |
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| 74 | |
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| 75 | int cmp_sockaddr(const struct sockaddr *a, const struct sockaddr *b) |
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| 76 | { |
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| 77 | if (a->sa_family != b->sa_family) { |
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| 78 | return a->sa_family - b->sa_family; |
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| 79 | } |
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| 80 | switch (a->sa_family) { |
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| 81 | case AF_INET: |
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| 82 | return cmp_sockaddr_in((struct sockaddr_in *)a,(struct sockaddr_in*)b); |
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| 83 | case AF_INET6: |
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| 84 | return cmp_sockaddr_in6((struct sockaddr_in6 *)a,(struct sockaddr_in6*)b); |
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| 85 | #ifdef HAVE_NETPACKET_PACKET_H |
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| 86 | case AF_PACKET: |
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| 87 | return cmp_sockaddr_ll((struct sockaddr_ll *)a,(struct sockaddr_ll*)b); |
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| 88 | #else |
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| 89 | case AF_LINK: |
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| 90 | return cmp_sockaddr_dl((struct sockaddr_dl *)a, (struct sockaddr_dl *)b); |
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| 91 | #endif |
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| 92 | case AF_UNSPEC: |
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| 93 | return 0; /* Can't compare UNSPEC's! */ |
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| 94 | default: |
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| 95 | fprintf(stderr,"Don't know how to compare family %d\n",a->sa_family); |
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| 96 | abort(); |
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| 97 | } |
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| 98 | } |
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| 99 | |
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| 100 | char *trace_sockaddr2string(const struct sockaddr *a, socklen_t salen, char *buffer, size_t bufflen) |
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| 101 | { |
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| 102 | static char intbuffer[NI_MAXHOST]; |
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| 103 | char *mybuf = buffer ? buffer : intbuffer; |
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| 104 | size_t mybufflen = buffer ? bufflen : sizeof(intbuffer); |
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| 105 | int err; |
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| 106 | |
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| 107 | /* Some systems (FreeBSD and Solaris, I'm looking at you) have a bug |
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| 108 | * where they can't deal with the idea of a sockaddr_storage being |
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| 109 | * passed into getnameinfo. Linux just deals by looking |
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| 110 | * at sa_family and figuring out what sockaddr it is really. |
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| 111 | * |
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| 112 | * Anyway, the fix appears to be to manually hax the sockaddr length |
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| 113 | * to be the right value for the underlying family. |
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| 114 | */ |
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| 115 | switch (a->sa_family) { |
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| 116 | case AF_INET: |
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| 117 | salen = sizeof(struct sockaddr_in); |
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| 118 | if ((err=getnameinfo(a, salen, mybuf, mybufflen, NULL, 0, NI_NUMERICHOST))!=0) { |
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| 119 | strncpy(mybuf,gai_strerror(err),mybufflen); |
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| 120 | } |
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| 121 | break; |
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| 122 | case AF_INET6: |
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| 123 | salen = sizeof(struct sockaddr_in6); |
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| 124 | if ((err=getnameinfo(a, salen, mybuf, mybufflen, NULL, 0, NI_NUMERICHOST))!=0) { |
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| 125 | strncpy(mybuf,gai_strerror(err),mybufflen); |
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| 126 | } |
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| 127 | break; |
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| 128 | #ifdef HAVE_NETPACKET_PACKET_H |
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| 129 | case AF_PACKET: |
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| 130 | trace_ether_ntoa(((struct sockaddr_ll*)a)->sll_addr, mybuf); |
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| 131 | break; |
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| 132 | #else |
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| 133 | case AF_LINK: |
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| 134 | trace_ether_ntoa((uint8_t *)((struct sockaddr_dl *)a)->sdl_data, mybuf); |
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| 135 | break; |
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| 136 | #endif |
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| 137 | default: |
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| 138 | snprintf(mybuf,mybufflen,"Unknown family %d",a->sa_family); |
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| 139 | } |
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| 140 | return mybuf; |
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| 141 | } |
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| 142 | |
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| 143 | static void set_port_for_sockaddr(struct sockaddr *sa,uint16_t port) |
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| 144 | { |
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| 145 | switch (sa->sa_family) { |
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| 146 | case AF_INET: |
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| 147 | ((struct sockaddr_in *)sa)->sin_port = htons(port); |
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| 148 | break; |
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| 149 | case AF_INET6: |
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| 150 | ((struct sockaddr_in6 *)sa)->sin6_port = htons(port); |
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| 151 | break; |
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| 152 | } |
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| 153 | } |
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| 154 | |
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| 155 | static void clear_addr_for_sockaddr(struct sockaddr *sa) |
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| 156 | { |
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| 157 | switch (sa->sa_family) { |
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| 158 | case AF_INET: |
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| 159 | ((struct sockaddr_in *)sa)->sin_addr.s_addr = 0; |
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| 160 | break; |
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| 161 | case AF_INET6: |
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| 162 | memset((void*)&((struct sockaddr_in6 *)sa)->sin6_addr,0,sizeof(((struct sockaddr_in6 *)sa)->sin6_addr)); |
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| 163 | break; |
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| 164 | } |
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| 165 | } |
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| 166 | |
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| 167 | static uint16_t get_port_from_sockaddr(struct sockaddr *sa) |
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| 168 | { |
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| 169 | switch (sa->sa_family) { |
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| 170 | case AF_INET: |
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| 171 | return ntohs(((struct sockaddr_in *)sa)->sin_port); |
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| 172 | break; |
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| 173 | case AF_INET6: |
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| 174 | return ntohs(((struct sockaddr_in6 *)sa)->sin6_port); |
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| 175 | break; |
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| 176 | } |
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| 177 | |
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| 178 | return 0; |
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| 179 | } |
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| 180 | |
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| 181 | struct flowkey_t { |
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| 182 | struct sockaddr_storage sip; |
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| 183 | struct sockaddr_storage dip; |
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| 184 | uint16_t sport; |
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| 185 | uint16_t dport; |
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| 186 | uint8_t protocol; |
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| 187 | |
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| 188 | bool operator <(const flowkey_t &b) const { |
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| 189 | int c; |
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| 190 | |
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| 191 | if (use_sip) { |
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| 192 | c = cmp_sockaddr((struct sockaddr*)&sip,(struct sockaddr*)&b.sip); |
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| 193 | if (c != 0) return c<0; |
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| 194 | } |
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| 195 | if (use_dip) { |
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| 196 | c = cmp_sockaddr((struct sockaddr*)&dip,(struct sockaddr*)&b.dip); |
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| 197 | if (c != 0) return c<0; |
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| 198 | } |
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| 199 | |
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| 200 | return protocol < b.protocol; |
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| 201 | } |
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| 202 | }; |
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| 203 | |
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| 204 | struct flowdata_t { |
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| 205 | uint64_t packets; |
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| 206 | uint64_t bytes; |
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| 207 | }; |
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| 208 | |
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| 209 | typedef std::map<flowkey_t,flowdata_t> flows_t; |
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| 210 | |
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| 211 | flows_t flows; |
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| 212 | |
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| 213 | const char *nice_bandwidth(double bytespersec) |
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| 214 | { |
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| 215 | static char ret[1024]; |
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| 216 | double bitspersec = bytespersec*8; |
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| 217 | |
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| 218 | if (bitspersec>1e12) |
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| 219 | snprintf(ret,sizeof(ret),"%.03fTb/s", bitspersec/1e12); |
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| 220 | else if (bitspersec>1e9) |
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| 221 | snprintf(ret,sizeof(ret),"%.03fGb/s", bitspersec/1e9); |
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| 222 | else if (bitspersec>1e6) |
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| 223 | snprintf(ret,sizeof(ret),"%.03fMb/s", bitspersec/1e6); |
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| 224 | else if (bitspersec>1e3) |
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| 225 | snprintf(ret,sizeof(ret),"%.03fkb/s", bitspersec/1e3); |
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| 226 | else |
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| 227 | snprintf(ret,sizeof(ret),"%.03fb/s", bitspersec); |
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| 228 | return ret; |
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| 229 | } |
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| 230 | |
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| 231 | static void per_packet(libtrace_packet_t *packet) |
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| 232 | { |
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| 233 | flowkey_t flowkey; |
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| 234 | flows_t::iterator it; |
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| 235 | |
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| 236 | if (trace_get_source_address(packet,(struct sockaddr*)&flowkey.sip)==NULL) |
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| 237 | flowkey.sip.ss_family = AF_UNSPEC; |
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| 238 | |
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| 239 | if (trace_get_destination_address(packet,(struct sockaddr*)&flowkey.dip)==NULL) |
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| 240 | flowkey.dip.ss_family = AF_UNSPEC; |
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| 241 | |
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| 242 | if (!use_sip) |
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| 243 | clear_addr_for_sockaddr((struct sockaddr *)&flowkey.sip); |
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| 244 | |
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| 245 | if (!use_dip) |
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| 246 | clear_addr_for_sockaddr((struct sockaddr *)&flowkey.dip); |
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| 247 | |
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| 248 | if (!use_sport) |
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| 249 | set_port_for_sockaddr((struct sockaddr *)&flowkey.sip,0); |
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| 250 | |
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| 251 | if (!use_dport) |
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| 252 | set_port_for_sockaddr((struct sockaddr *)&flowkey.dip,0); |
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| 253 | |
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| 254 | if (use_protocol && trace_get_transport(packet,&flowkey.protocol, NULL) == NULL) |
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| 255 | flowkey.protocol = 255; |
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| 256 | |
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| 257 | |
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| 258 | it = flows.find(flowkey); |
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| 259 | if (it == flows.end()) { |
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| 260 | flowdata_t flowdata = { 0, 0 }; |
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| 261 | flows_t::value_type insdata(flowkey,flowdata); |
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| 262 | std::pair<flows_t::iterator,bool> ins= flows.insert(insdata); |
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| 263 | it = ins.first; |
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| 264 | } |
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| 265 | |
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| 266 | ++it->second.packets; |
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| 267 | it->second.bytes+=trace_get_wire_length(packet); |
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| 268 | |
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| 269 | ++total_packets; |
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| 270 | total_bytes+=trace_get_wire_length(packet); |
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| 271 | |
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| 272 | } |
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| 273 | |
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| 274 | struct flow_data_t { |
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| 275 | uint64_t bytes; |
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| 276 | uint64_t packets; |
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| 277 | struct sockaddr_storage sip; |
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| 278 | struct sockaddr_storage dip; |
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| 279 | uint8_t protocol; |
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| 280 | |
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| 281 | bool operator< (const flow_data_t &b) const { |
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| 282 | if (bytes != b.bytes) return bytes < b.bytes; |
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| 283 | return packets < b.packets; |
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| 284 | } |
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| 285 | }; |
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| 286 | |
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| 287 | static void do_report() |
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| 288 | { |
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| 289 | typedef std::priority_queue<flow_data_t> pq_t; |
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| 290 | int row,col; |
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| 291 | pq_t pq; |
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| 292 | for(flows_t::const_iterator it=flows.begin();it!=flows.end();++it) { |
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| 293 | flow_data_t data; |
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| 294 | data.bytes = it->second.bytes, |
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| 295 | data.packets = it->second.packets, |
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| 296 | data.sip = it->first.sip; |
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| 297 | data.dip = it->first.dip; |
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| 298 | data.protocol = it->first.protocol; |
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| 299 | pq.push(data); |
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| 300 | } |
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| 301 | getmaxyx(stdscr,row,col); |
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| 302 | move(0,0); |
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| 303 | printw("Total Bytes: %10" PRIu64 " (%s)\tTotal Packets: %10" PRIu64, total_bytes, nice_bandwidth(total_bytes/interval), total_packets); |
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| 304 | clrtoeol(); |
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| 305 | attrset(A_REVERSE); |
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| 306 | move(1,0); |
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| 307 | if (use_sip) { |
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| 308 | printw("%*s", wide_display ? 42 : 20, "source ip"); |
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| 309 | if (use_sport) |
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| 310 | printw("/"); |
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| 311 | else |
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| 312 | printw("\t"); |
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| 313 | } |
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| 314 | if (use_sport) |
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| 315 | printw("%s ", "sport"); |
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| 316 | if (use_dip) { |
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| 317 | printw("%*s", wide_display ? 42 : 20, "dest ip"); |
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| 318 | if (use_dport) |
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| 319 | printw("/"); |
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| 320 | else |
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| 321 | printw("\t"); |
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| 322 | } |
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| 323 | if (use_dport) |
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| 324 | printw("%s ", "dport"); |
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| 325 | if (use_protocol) |
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| 326 | printw("%10s\t", "proto"); |
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| 327 | switch(display_as) { |
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| 328 | case BYTES: |
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| 329 | printw("%7s","Bytes\t"); |
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| 330 | break; |
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| 331 | case BITS_PER_SEC: |
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| 332 | printw("%14s\t","Bits/sec"); |
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| 333 | break; |
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| 334 | case PERCENT: |
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| 335 | printw("%% bytes\t"); |
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| 336 | break; |
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| 337 | } |
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| 338 | printw("Packets"); |
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| 339 | |
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| 340 | attrset(A_NORMAL); |
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| 341 | char sipstr[1024]; |
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| 342 | char dipstr[1024]; |
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| 343 | for(int i=1; i<row-3 && !pq.empty(); ++i) { |
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| 344 | move(i+1,0); |
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| 345 | if (use_sip) { |
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| 346 | printw("%*s", wide_display ? 42 : 20, |
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| 347 | trace_sockaddr2string( |
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| 348 | (struct sockaddr*)&pq.top().sip, |
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| 349 | sizeof(struct sockaddr_storage), |
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| 350 | sipstr,sizeof(sipstr))); |
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| 351 | if (use_sport) |
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| 352 | printw("/"); |
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| 353 | else |
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| 354 | printw("\t"); |
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| 355 | } |
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| 356 | if (use_sport) |
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| 357 | printw("%-5d ", get_port_from_sockaddr((struct sockaddr*)&pq.top().sip)); |
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| 358 | if (use_dip) { |
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| 359 | printw("%*s", wide_display ? 42 : 20, |
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| 360 | trace_sockaddr2string( |
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| 361 | (struct sockaddr*)&pq.top().dip, |
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| 362 | sizeof(struct sockaddr_storage), |
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| 363 | dipstr,sizeof(dipstr))); |
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| 364 | if (use_dport) |
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| 365 | printw("/"); |
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| 366 | else |
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| 367 | printw("\t"); |
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| 368 | } |
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| 369 | if (use_dport) |
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| 370 | printw("%-5d ", get_port_from_sockaddr((struct sockaddr*)&pq.top().dip)); |
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| 371 | if (use_protocol) { |
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| 372 | struct protoent *proto = getprotobynumber(pq.top().protocol); |
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| 373 | if (proto) |
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| 374 | printw("%-10s ", proto->p_name); |
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| 375 | else |
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| 376 | printw("%10d ",pq.top().protocol); |
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| 377 | } |
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| 378 | switch (display_as) { |
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| 379 | case BYTES: |
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| 380 | printw("%7"PRIu64"\t%7"PRIu64"\n", |
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| 381 | pq.top().bytes, |
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| 382 | pq.top().packets); |
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| 383 | break; |
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| 384 | case BITS_PER_SEC: |
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| 385 | printw("%14.03f\t%"PRIu64"\n", |
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| 386 | 8.0*pq.top().bytes/interval, |
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| 387 | pq.top().packets); |
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| 388 | break; |
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| 389 | case PERCENT: |
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| 390 | printw("%6.2f%%\t%6.2f%%\n", |
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| 391 | 100.0*pq.top().bytes/total_bytes, |
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| 392 | 100.0*pq.top().packets/total_packets); |
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| 393 | } |
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| 394 | pq.pop(); |
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| 395 | } |
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| 396 | flows.clear(); |
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| 397 | total_packets = 0; |
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| 398 | total_bytes = 0; |
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| 399 | |
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| 400 | clrtobot(); |
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| 401 | refresh(); |
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| 402 | } |
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| 403 | |
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| 404 | static void run_trace(libtrace_t *trace) |
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| 405 | { |
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| 406 | libtrace_packet_t *packet = trace_create_packet(); |
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| 407 | libtrace_eventobj_t obj; |
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| 408 | fd_set rfds; |
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| 409 | struct timeval sleep_tv; |
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| 410 | struct timeval *tv = NULL; |
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| 411 | |
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| 412 | do { |
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| 413 | int maxfd=0; |
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| 414 | FD_ZERO(&rfds); |
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| 415 | FD_SET(0, &rfds); /* stdin */ |
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| 416 | tv=NULL; |
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| 417 | maxfd=0; |
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| 418 | |
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| 419 | obj = trace_event(trace, packet); |
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| 420 | switch(obj.type) { |
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| 421 | case TRACE_EVENT_IOWAIT: |
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| 422 | FD_SET(obj.fd, &rfds); |
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| 423 | maxfd = obj.fd; |
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| 424 | break; |
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| 425 | |
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| 426 | case TRACE_EVENT_SLEEP: |
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| 427 | sleep_tv.tv_sec = (int)obj.seconds; |
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| 428 | sleep_tv.tv_usec = (int)((obj.seconds - sleep_tv.tv_sec)*1000000.0); |
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| 429 | |
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| 430 | tv = &sleep_tv; |
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| 431 | break;; |
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| 432 | |
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| 433 | case TRACE_EVENT_TERMINATE: |
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| 434 | trace_destroy_packet(packet); |
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| 435 | return; |
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| 436 | |
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| 437 | case TRACE_EVENT_PACKET: |
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| 438 | if (obj.size == -1) |
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| 439 | break; |
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| 440 | if (trace_get_seconds(packet) - last_report >= interval) { |
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| 441 | do_report(); |
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| 442 | |
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| 443 | last_report=trace_get_seconds(packet); |
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| 444 | } |
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| 445 | if (trace_read_packet(trace,packet) <= 0) { |
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| 446 | obj.size = -1; |
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| 447 | break; |
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| 448 | } |
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| 449 | per_packet(packet); |
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| 450 | continue; |
|---|
| 451 | } |
|---|
| 452 | |
|---|
| 453 | if (tv && tv->tv_sec > interval) { |
|---|
| 454 | tv->tv_sec = (int)interval; |
|---|
| 455 | tv->tv_usec = 0; |
|---|
| 456 | } |
|---|
| 457 | |
|---|
| 458 | select(maxfd+1, &rfds, 0, 0, tv); |
|---|
| 459 | if (FD_ISSET(0, &rfds)) { |
|---|
| 460 | switch (getch()) { |
|---|
| 461 | case '%': |
|---|
| 462 | display_as = PERCENT; |
|---|
| 463 | break; |
|---|
| 464 | case 'b': |
|---|
| 465 | display_as = BITS_PER_SEC; |
|---|
| 466 | break; |
|---|
| 467 | case 'B': |
|---|
| 468 | display_as = BYTES; |
|---|
| 469 | break; |
|---|
| 470 | case '\x1b': /* Escape */ |
|---|
| 471 | case 'q': |
|---|
| 472 | quit = true; |
|---|
| 473 | trace_destroy_packet(packet); |
|---|
| 474 | return; |
|---|
| 475 | case '1': use_sip = !use_sip; break; |
|---|
| 476 | case '2': use_sport = !use_sport; break; |
|---|
| 477 | case '3': use_dip = !use_dip; break; |
|---|
| 478 | case '4': use_dport = !use_dport; break; |
|---|
| 479 | case '5': use_protocol = !use_protocol; break; |
|---|
| 480 | } |
|---|
| 481 | } |
|---|
| 482 | } while (obj.type != TRACE_EVENT_TERMINATE || obj.size == -1); |
|---|
| 483 | |
|---|
| 484 | trace_destroy_packet(packet); |
|---|
| 485 | } |
|---|
| 486 | |
|---|
| 487 | static void usage(char *argv0) |
|---|
| 488 | { |
|---|
| 489 | fprintf(stderr,"usage: %s [options] libtraceuri...\n",argv0); |
|---|
| 490 | fprintf(stderr," --filter bpfexpr\n"); |
|---|
| 491 | fprintf(stderr," -f bpfexpr\n"); |
|---|
| 492 | fprintf(stderr,"\t\tApply a bpf filter expression\n"); |
|---|
| 493 | fprintf(stderr," --snaplen snaplen\n"); |
|---|
| 494 | fprintf(stderr," -s snaplen\n"); |
|---|
| 495 | fprintf(stderr,"\t\tCapture only snaplen bytes\n"); |
|---|
| 496 | fprintf(stderr," --promisc 0|1\n"); |
|---|
| 497 | fprintf(stderr," -p 0|1\n"); |
|---|
| 498 | fprintf(stderr,"\t\tEnable/Disable promiscuous mode\n"); |
|---|
| 499 | fprintf(stderr," --bits-per-sec\n"); |
|---|
| 500 | fprintf(stderr," -B\n"); |
|---|
| 501 | fprintf(stderr,"\t\tDisplay usage in bits per second, not bytes per second\n"); |
|---|
| 502 | fprintf(stderr," --percent\n"); |
|---|
| 503 | fprintf(stderr," -P\n"); |
|---|
| 504 | fprintf(stderr,"\t\tDisplay usage in percentage of total usage\n"); |
|---|
| 505 | fprintf(stderr," --interval int\n"); |
|---|
| 506 | fprintf(stderr," -i int\n"); |
|---|
| 507 | fprintf(stderr,"\t\tUpdate the display every int seconds\n"); |
|---|
| 508 | fprintf(stderr," --wide\n"); |
|---|
| 509 | fprintf(stderr," -w\n"); |
|---|
| 510 | fprintf(stderr,"\t\tExpand IP address fields to fit IPv6 addresses\n"); |
|---|
| 511 | } |
|---|
| 512 | |
|---|
| 513 | int main(int argc, char *argv[]) |
|---|
| 514 | { |
|---|
| 515 | libtrace_t *trace; |
|---|
| 516 | libtrace_filter_t *filter=NULL; |
|---|
| 517 | int snaplen=-1; |
|---|
| 518 | int promisc=-1; |
|---|
| 519 | |
|---|
| 520 | setprotoent(1); |
|---|
| 521 | |
|---|
| 522 | while(1) { |
|---|
| 523 | int option_index; |
|---|
| 524 | struct option long_options[] = { |
|---|
| 525 | { "filter", 1, 0, 'f' }, |
|---|
| 526 | { "snaplen", 1, 0, 's' }, |
|---|
| 527 | { "promisc", 1, 0, 'p' }, |
|---|
| 528 | { "help", 0, 0, 'h' }, |
|---|
| 529 | { "libtrace-help", 0, 0, 'H' }, |
|---|
| 530 | { "bits-per-sec", 0, 0, 'B' }, |
|---|
| 531 | { "percent", 0, 0, 'P' }, |
|---|
| 532 | { "interval", 1, 0, 'i' }, |
|---|
| 533 | { "fast", 0, 0, 'F' }, |
|---|
| 534 | { "wide", 0, 0, 'w' }, |
|---|
| 535 | { NULL, 0, 0, 0 } |
|---|
| 536 | }; |
|---|
| 537 | |
|---|
| 538 | int c= getopt_long(argc, argv, "BPf:Fs:p:hHi:w12345", |
|---|
| 539 | long_options, &option_index); |
|---|
| 540 | |
|---|
| 541 | if (c==-1) |
|---|
| 542 | break; |
|---|
| 543 | |
|---|
| 544 | switch (c) { |
|---|
| 545 | case 'f': |
|---|
| 546 | filter=trace_create_filter(optarg); |
|---|
| 547 | break; |
|---|
| 548 | case 'F': |
|---|
| 549 | fullspeed = true; |
|---|
| 550 | break; |
|---|
| 551 | case 's': |
|---|
| 552 | snaplen=atoi(optarg); |
|---|
| 553 | break; |
|---|
| 554 | case 'p': |
|---|
| 555 | promisc=atoi(optarg); |
|---|
| 556 | break; |
|---|
| 557 | case 'H': |
|---|
| 558 | trace_help(); |
|---|
| 559 | return 1; |
|---|
| 560 | case 'B': |
|---|
| 561 | display_as = BITS_PER_SEC; |
|---|
| 562 | break; |
|---|
| 563 | case 'P': |
|---|
| 564 | display_as = PERCENT; |
|---|
| 565 | break; |
|---|
| 566 | case 'i': |
|---|
| 567 | interval = atof(optarg); |
|---|
| 568 | if (interval<=0) { |
|---|
| 569 | fprintf(stderr,"Interval must be >0\n"); |
|---|
| 570 | return 1; |
|---|
| 571 | } |
|---|
| 572 | break; |
|---|
| 573 | case 'w': |
|---|
| 574 | wide_display = true; |
|---|
| 575 | break; |
|---|
| 576 | case '1': use_sip = !use_sip; break; |
|---|
| 577 | case '2': use_sport = !use_sport; break; |
|---|
| 578 | case '3': use_dip = !use_dip; break; |
|---|
| 579 | case '4': use_dport = !use_dport; break; |
|---|
| 580 | case '5': use_protocol = !use_protocol; break; |
|---|
| 581 | default: |
|---|
| 582 | fprintf(stderr,"Unknown option: %c\n",c); |
|---|
| 583 | /* FALL THRU */ |
|---|
| 584 | case 'h': |
|---|
| 585 | usage(argv[0]); |
|---|
| 586 | return 1; |
|---|
| 587 | } |
|---|
| 588 | } |
|---|
| 589 | |
|---|
| 590 | if (optind>=argc) { |
|---|
| 591 | fprintf(stderr,"Missing input uri\n"); |
|---|
| 592 | usage(argv[0]); |
|---|
| 593 | return 1; |
|---|
| 594 | } |
|---|
| 595 | |
|---|
| 596 | initscr(); cbreak(); noecho(); |
|---|
| 597 | |
|---|
| 598 | while (!quit && optind<argc) { |
|---|
| 599 | trace = trace_create(argv[optind]); |
|---|
| 600 | ++optind; |
|---|
| 601 | |
|---|
| 602 | if (trace_is_err(trace)) { |
|---|
| 603 | endwin(); |
|---|
| 604 | trace_perror(trace,"Opening trace file"); |
|---|
| 605 | return 1; |
|---|
| 606 | } |
|---|
| 607 | |
|---|
| 608 | if (snaplen>0) |
|---|
| 609 | if (trace_config(trace,TRACE_OPTION_SNAPLEN,&snaplen)) { |
|---|
| 610 | trace_perror(trace,"ignoring: "); |
|---|
| 611 | } |
|---|
| 612 | if (filter) |
|---|
| 613 | if (trace_config(trace,TRACE_OPTION_FILTER,filter)) { |
|---|
| 614 | trace_perror(trace,"ignoring: "); |
|---|
| 615 | } |
|---|
| 616 | if (promisc!=-1) { |
|---|
| 617 | if (trace_config(trace,TRACE_OPTION_PROMISC,&promisc)) { |
|---|
| 618 | trace_perror(trace,"ignoring: "); |
|---|
| 619 | } |
|---|
| 620 | } |
|---|
| 621 | if (fullspeed) { |
|---|
| 622 | int flag=1; |
|---|
| 623 | if (trace_config(trace,TRACE_OPTION_EVENT_REALTIME,&flag)) { |
|---|
| 624 | trace_perror(trace,"Setting EVENT_REALTIME option"); |
|---|
| 625 | } |
|---|
| 626 | } |
|---|
| 627 | |
|---|
| 628 | if (trace_start(trace)) { |
|---|
| 629 | endwin(); |
|---|
| 630 | trace_perror(trace,"Starting trace"); |
|---|
| 631 | trace_destroy(trace); |
|---|
| 632 | return 1; |
|---|
| 633 | } |
|---|
| 634 | |
|---|
| 635 | run_trace(trace); |
|---|
| 636 | |
|---|
| 637 | if (trace_is_err(trace)) { |
|---|
| 638 | trace_perror(trace,"Reading packets"); |
|---|
| 639 | } |
|---|
| 640 | |
|---|
| 641 | trace_destroy(trace); |
|---|
| 642 | } |
|---|
| 643 | |
|---|
| 644 | endwin(); |
|---|
| 645 | endprotoent(); |
|---|
| 646 | |
|---|
| 647 | return 0; |
|---|
| 648 | } |
|---|
