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| Rev | Author | Line No. | Line |
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| 364 | giacomo | 1 | /* |
| 2 | * Project: S.Ha.R.K. |
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| 3 | * |
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| 4 | * Coordinators: |
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| 5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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| 6 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 7 | * |
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| 8 | * Authors : |
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| 9 | * Giacomo Guidi <giacomo@gandalf.sssup.it> |
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| 10 | * (see the web pages for full authors list) |
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| 11 | * |
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| 12 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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| 13 | * |
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| 14 | * http://www.sssup.it |
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| 15 | * http://retis.sssup.it |
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| 16 | * http://shark.sssup.it |
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| 17 | */ |
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| 18 | |||
| 19 | /* |
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| 20 | * Copyright (C) 2002 Paolo Gai |
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| 21 | * |
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| 22 | * This program is free software; you can redistribute it and/or modify |
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| 23 | * it under the terms of the GNU General Public License as published by |
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| 24 | * the Free Software Foundation; either version 2 of the License, or |
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| 25 | * (at your option) any later version. |
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| 26 | * |
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| 27 | * This program is distributed in the hope that it will be useful, |
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| 28 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 29 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 30 | * GNU General Public License for more details. |
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| 31 | * |
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| 32 | * You should have received a copy of the GNU General Public License |
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| 33 | * along with this program; if not, write to the Free Software |
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| 34 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 35 | * |
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| 36 | */ |
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| 37 | |||
| 38 | #include <ll/sys/types.h> |
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| 39 | #include <stdlib.h> |
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| 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; |
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| 49 | int socket; |
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| 50 | |||
| 51 | extern int TracerOutputType; |
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| 52 | |||
| 364 | giacomo | 53 | struct tracer_udp_header { |
| 54 | char id[12]; |
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| 55 | unsigned int pkt_number; |
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| 56 | unsigned int number_of_events; |
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| 57 | unsigned int total_size; |
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| 58 | }; |
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| 59 | |||
| 366 | giacomo | 60 | int init_udp_tracer(char *local_ip, char *target_ip) { |
| 365 | giacomo | 61 | |
| 62 | SYS_FLAGS f; |
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| 366 | giacomo | 63 | |
| 64 | struct net_model m = net_base; |
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| 365 | giacomo | 65 | |
| 66 | f = ll_fsave(); |
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| 67 | |||
| 366 | giacomo | 68 | net_setmode(m, TXTASK); |
| 69 | net_setudpip(m, local_ip, "255.255.255.255"); |
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| 70 | |||
| 71 | if (net_init(&m) == 1) { |
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| 72 | return 0; |
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| 73 | } else { |
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| 74 | return -1; |
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| 75 | } |
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| 76 | |||
| 365 | giacomo | 77 | ip_str2addr(local_ip,&(local.s_addr)); |
| 78 | local.s_port = TRACER_PORT; |
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| 79 | socket = udp_bind(&local, NULL); |
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| 80 | |||
| 81 | ip_str2addr(target_ip,&(target.s_addr)); |
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| 82 | target.s_port = TRACER_PORT; |
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| 83 | |||
| 84 | TracerOutputType = TRACER_UDP_OUTPUT; |
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| 85 | TracerUDPInit = 1; |
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| 86 | |||
| 87 | ll_frestore(f); |
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| 88 | |||
| 89 | return 0; |
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| 90 | |||
| 91 | } |
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| 92 | |||
| 364 | giacomo | 93 | int send_udp_event(void *p, int size) { |
| 94 | |||
| 95 | static BYTE pkt[UDP_MAXSIZE]; |
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| 96 | static BYTE *current = pkt; |
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| 97 | static int total_pkt_size = 0; |
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| 98 | static int events_number = 0; |
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| 99 | static int packet_number = 0; |
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| 100 | |||
| 101 | struct tracer_udp_header head = {"TRACER-V1.0",0,0,0}; |
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| 102 | struct tracer_udp_header *phead = (struct tracer_udp_header *)(pkt); |
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| 103 | |||
| 104 | if (total_pkt_size + size < UDP_MAXSIZE) { |
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| 105 | |||
| 106 | if (total_pkt_size == 0) { |
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| 107 | |||
| 108 | memcpy(pkt,&head,sizeof(struct tracer_udp_header)); |
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| 109 | |||
| 110 | current = pkt; |
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| 111 | current += sizeof(struct tracer_udp_header); |
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| 112 | |||
| 113 | total_pkt_size += sizeof(struct tracer_udp_header); |
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| 114 | phead->total_size = total_pkt_size; |
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| 115 | |||
| 116 | packet_number++; |
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| 117 | phead->pkt_number = packet_number; |
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| 118 | |||
| 119 | } |
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| 120 | |||
| 121 | events_number++; |
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| 122 | phead->number_of_events = events_number; |
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| 123 | |||
| 124 | total_pkt_size += size; |
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| 125 | phead->total_size = total_pkt_size; |
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| 126 | |||
| 127 | //Copy the event |
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| 128 | memcpy(current,p,size); |
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| 129 | current += size; |
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| 130 | |||
| 131 | return 0; |
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| 132 | |||
| 133 | } else { |
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| 134 | |||
| 365 | giacomo | 135 | udp_sendto(socket, pkt, total_pkt_size, &target); |
| 364 | giacomo | 136 | |
| 137 | events_number = 0; |
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| 138 | total_pkt_size = 0; |
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| 139 | current = pkt; |
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| 140 | |||
| 141 | send_udp_event(p,size); |
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| 142 | |||
| 365 | giacomo | 143 | return 0; |
| 364 | giacomo | 144 | |
| 145 | } |
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| 146 | |||
| 147 | return -1; |
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| 148 | |||
| 149 | } |