Rev 366 | Rev 369 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 364 | giacomo | 1 | /* |
| 2 | * Project: S.Ha.R.K. |
||
| 3 | * |
||
| 4 | * Coordinators: |
||
| 5 | * Giorgio Buttazzo <giorgio@sssup.it> |
||
| 6 | * Paolo Gai <pj@gandalf.sssup.it> |
||
| 7 | * |
||
| 8 | * Authors : |
||
| 9 | * Giacomo Guidi <giacomo@gandalf.sssup.it> |
||
| 10 | * (see the web pages for full authors list) |
||
| 11 | * |
||
| 12 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
||
| 13 | * |
||
| 14 | * http://www.sssup.it |
||
| 15 | * http://retis.sssup.it |
||
| 16 | * http://shark.sssup.it |
||
| 17 | */ |
||
| 18 | |||
| 19 | /* |
||
| 20 | * Copyright (C) 2002 Paolo Gai |
||
| 21 | * |
||
| 22 | * This program is free software; you can redistribute it and/or modify |
||
| 23 | * it under the terms of the GNU General Public License as published by |
||
| 24 | * the Free Software Foundation; either version 2 of the License, or |
||
| 25 | * (at your option) any later version. |
||
| 26 | * |
||
| 27 | * This program is distributed in the hope that it will be useful, |
||
| 28 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
| 29 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||
| 30 | * GNU General Public License for more details. |
||
| 31 | * |
||
| 32 | * You should have received a copy of the GNU General Public License |
||
| 33 | * along with this program; if not, write to the Free Software |
||
| 34 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
||
| 35 | * |
||
| 36 | */ |
||
| 37 | |||
| 38 | #include <ll/sys/types.h> |
||
| 39 | #include <stdlib.h> |
||
| 365 | giacomo | 40 | #include <tracer.h> |
| 364 | giacomo | 41 | |
| 365 | giacomo | 42 | #include <drivers/udpip.h> |
| 43 | |||
| 364 | giacomo | 44 | #define UDP_MAXSIZE 1400 |
| 365 | giacomo | 45 | #define TRACER_PORT 100 |
| 364 | giacomo | 46 | |
| 365 | giacomo | 47 | int TracerUDPInit = 0; |
| 48 | UDP_ADDR target,local; |
||
| 49 | int socket; |
||
| 50 | |||
| 51 | extern int TracerOutputType; |
||
| 52 | |||
| 364 | giacomo | 53 | struct tracer_udp_header { |
| 54 | char id[12]; |
||
| 55 | unsigned int pkt_number; |
||
| 56 | unsigned int number_of_events; |
||
| 57 | unsigned int total_size; |
||
| 58 | }; |
||
| 59 | |||
| 366 | giacomo | 60 | int init_udp_tracer(char *local_ip, char *target_ip) { |
| 365 | giacomo | 61 | |
| 62 | SYS_FLAGS f; |
||
| 366 | giacomo | 63 | |
| 64 | struct net_model m = net_base; |
||
| 365 | giacomo | 65 | |
| 66 | f = ll_fsave(); |
||
| 67 | |||
| 366 | giacomo | 68 | net_setmode(m, TXTASK); |
| 69 | net_setudpip(m, local_ip, "255.255.255.255"); |
||
| 70 | |||
| 367 | giacomo | 71 | if (net_init(&m) != 1) |
| 366 | giacomo | 72 | return -1; |
| 73 | |||
| 365 | giacomo | 74 | ip_str2addr(local_ip,&(local.s_addr)); |
| 75 | local.s_port = TRACER_PORT; |
||
| 76 | socket = udp_bind(&local, NULL); |
||
| 77 | |||
| 78 | ip_str2addr(target_ip,&(target.s_addr)); |
||
| 79 | target.s_port = TRACER_PORT; |
||
| 80 | |||
| 81 | TracerOutputType = TRACER_UDP_OUTPUT; |
||
| 82 | TracerUDPInit = 1; |
||
| 83 | |||
| 84 | ll_frestore(f); |
||
| 85 | |||
| 86 | return 0; |
||
| 87 | |||
| 88 | } |
||
| 89 | |||
| 364 | giacomo | 90 | int send_udp_event(void *p, int size) { |
| 91 | |||
| 92 | static BYTE pkt[UDP_MAXSIZE]; |
||
| 93 | static BYTE *current = pkt; |
||
| 94 | static int total_pkt_size = 0; |
||
| 95 | static int events_number = 0; |
||
| 96 | static int packet_number = 0; |
||
| 97 | |||
| 98 | struct tracer_udp_header head = {"TRACER-V1.0",0,0,0}; |
||
| 99 | struct tracer_udp_header *phead = (struct tracer_udp_header *)(pkt); |
||
| 100 | |||
| 101 | if (total_pkt_size + size < UDP_MAXSIZE) { |
||
| 102 | |||
| 103 | if (total_pkt_size == 0) { |
||
| 104 | |||
| 105 | memcpy(pkt,&head,sizeof(struct tracer_udp_header)); |
||
| 106 | |||
| 107 | current = pkt; |
||
| 108 | current += sizeof(struct tracer_udp_header); |
||
| 109 | |||
| 110 | total_pkt_size += sizeof(struct tracer_udp_header); |
||
| 111 | phead->total_size = total_pkt_size; |
||
| 112 | |||
| 113 | packet_number++; |
||
| 114 | phead->pkt_number = packet_number; |
||
| 115 | |||
| 116 | } |
||
| 117 | |||
| 118 | events_number++; |
||
| 119 | phead->number_of_events = events_number; |
||
| 120 | |||
| 121 | total_pkt_size += size; |
||
| 122 | phead->total_size = total_pkt_size; |
||
| 123 | |||
| 124 | //Copy the event |
||
| 125 | memcpy(current,p,size); |
||
| 126 | current += size; |
||
| 127 | |||
| 128 | return 0; |
||
| 129 | |||
| 130 | } else { |
||
| 131 | |||
| 365 | giacomo | 132 | udp_sendto(socket, pkt, total_pkt_size, &target); |
| 364 | giacomo | 133 | |
| 134 | events_number = 0; |
||
| 135 | total_pkt_size = 0; |
||
| 136 | current = pkt; |
||
| 137 | |||
| 138 | send_udp_event(p,size); |
||
| 139 | |||
| 365 | giacomo | 140 | return 0; |
| 364 | giacomo | 141 | |
| 142 | } |
||
| 143 | |||
| 144 | return -1; |
||
| 145 | |||
| 146 | } |