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8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
15 * $Source: /cvs/cvsroot/d2x/arch/linux_net.c,v $
18 * $Date: 2001-01-29 13:35:09 $
22 * $Log: not supported by cvs2svn $
32 #include <sys/types.h>
34 #include <netinet/in.h> /* for htons & co. */
44 //added 05/17/99 Matt Mueller - needed to redefine FD_* so that no asm is used
45 //#include "checker.h"
47 #define MAX_IPX_DATA 576
50 ipx_socket_t ipx_socket_data;
51 ubyte ipx_installed=0;
52 ushort ipx_socket = 0;
54 ubyte ipx_MyAddress[10];
55 int ipx_packetnum = 0; /* Sequence number */
56 //int ipx_packettotal=0,ipx_lastspeed=0;
58 /* User defined routing stuff */
59 typedef struct user_address {
65 int Ipx_num_users = 0;
66 user_address Ipx_users[MAX_USERS];
68 #define MAX_NETWORKS 64
69 int Ipx_num_networks = 0;
70 uint Ipx_networks[MAX_NETWORKS];
74 int ipx_general_PacketReady(ipx_socket_t *s) {
80 tv.tv_sec = tv.tv_usec = 0;
81 if (select(s->fd + 1, &set, NULL, NULL, &tv) > 0)
87 struct ipx_driver *driver = &ipx_bsd;
89 ubyte * ipx_get_my_server_address()
91 return (ubyte *)&ipx_network;
94 ubyte * ipx_get_my_local_address()
96 return (ubyte *)(ipx_MyAddress + 4);
99 //---------------------------------------------------------------
100 // Initializes all IPX internals.
101 // If socket_number==0, then opens next available socket.
102 // Returns: 0 if successful.
103 // -1 if socket already open.
104 // -2 if socket table full.
105 // -3 if IPX not installed.
106 // -4 if couldn't allocate low dos memory
107 // -5 if error with getting internetwork address
108 int ipx_init( int socket_number, int show_address )
112 /* DPH: killed kali for now
113 if (FindArg("-kali")) {
114 printf("Using Kali for network games\n");
116 //added on 12/20/98 by Jan Kratochvil for direct TCP/IP games
117 } else*/ if (FindArg("-udp")) {
118 printf("Using native TCP/IP (UDP) for network games\n");
120 //end this section addition - JK
122 printf("Using real IPX for network games\n");
125 if ((i = FindArg("-ipxnetwork")) && Args[i + 1]) {
126 unsigned long n = strtol(Args[i + 1], NULL, 16);
127 ipx_MyAddress[0] = n >> 24; ipx_MyAddress[1] = (n >> 16) & 255;
128 ipx_MyAddress[2] = (n >> 8) & 255; ipx_MyAddress[3] = n & 255;
129 printf("IPX: Using network %08x\n", (unsigned int)n);
131 if (driver->OpenSocket(&ipx_socket_data, socket_number)) {
134 driver->GetMyAddress();
135 memcpy(&ipx_network, ipx_MyAddress, 4);
136 Ipx_num_networks = 0;
137 memcpy( &Ipx_networks[Ipx_num_networks++], &ipx_network, 4 );
146 driver->CloseSocket(&ipx_socket_data);
150 int ipx_get_packet_data( ubyte * data )
152 struct ipx_recv_data rd;
153 char buf[MAX_IPX_DATA];
154 //killed 6-15-99 to get rid of compile warnings - OE
160 //edited 04/12/99 Matt Mueller - duh, we don't want to throw all that data away!
161 //--killed-- Like the original, only take latest packet, throw away rest
162 //do _NOT_ throw them away!
163 while (driver->PacketReady(&ipx_socket_data)) {
165 driver->ReceivePacket(&ipx_socket_data, buf,
166 sizeof(buf), &rd)) > 4) {
167 if (!memcmp(rd.src_network, ipx_MyAddress, 10))
168 continue; /* don't get own pkts */
169 //--killed-- pkt_num = *(uint *)buf;
170 //--killed-- if (pkt_num >= best_id) {
171 memcpy(data, buf + 4, size - 4);
173 //--killed-- best_id = pkt_num;
174 //--killed-- best_size = size - 4;
182 void ipx_send_packet_data( ubyte * data, int datasize, ubyte *network, ubyte *address, ubyte *immediate_address )
184 u_char buf[MAX_IPX_DATA];
185 IPXPacket_t ipx_header;
187 memcpy(ipx_header.Destination.Network, network, 4);
188 memcpy(ipx_header.Destination.Node, immediate_address, 6);
189 *(u_short *)ipx_header.Destination.Socket = htons(ipx_socket_data.socket);
190 ipx_header.PacketType = 4; /* Packet Exchange */
191 *(uint *)buf = ipx_packetnum++;
192 //ipx_packettotal+=datasize+4;
193 //if (f2i(Players[Player_num].time_level) && (f2i(Players[Player_num].time_level)%10!=ipx_lastspeed))
195 // ipx_lastspeed=f2i(Players[Player_num].time_level)%10;
196 // printf("tot=%i,t2=%i,time=%i,avg=%i,a2=%i\n",ipx_packetnum,ipx_packettotal,(int)f2i(Players[Player_num].time_level),
197 // ipx_packetnum/(int)f2i(Players[Player_num].time_level),
198 // ipx_packettotal/(int)f2i(Players[Player_num].time_level));
200 memcpy(buf + 4, data, datasize);
201 driver->SendPacket(&ipx_socket_data, &ipx_header, buf, datasize + 4);
204 void ipx_get_local_target( ubyte * server, ubyte * node, ubyte * local_target )
206 // let's hope Linux knows how to route it
207 memcpy( local_target, node, 6 );
210 void ipx_send_broadcast_packet_data( ubyte * data, int datasize )
213 ubyte broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
214 ubyte local_address[6];
216 // Set to all networks besides mine
217 for (i=0; i<Ipx_num_networks; i++ ) {
218 if ( memcmp( &Ipx_networks[i], &ipx_network, 4 ) ) {
219 ipx_get_local_target( (ubyte *)&Ipx_networks[i], broadcast, local_address );
220 ipx_send_packet_data( data, datasize, (ubyte *)&Ipx_networks[i], broadcast, local_address );
222 ipx_send_packet_data( data, datasize, (ubyte *)&Ipx_networks[i], broadcast, broadcast );
226 //OLDipx_send_packet_data( data, datasize, (ubyte *)&ipx_network, broadcast, broadcast );
228 // Send directly to all users not on my network or in the network list.
229 for (i=0; i<Ipx_num_users; i++ ) {
230 if ( memcmp( Ipx_users[i].network, &ipx_network, 4 ) ) {
231 for (j=0; j<Ipx_num_networks; j++ ) {
232 if (!memcmp( Ipx_users[i].network, &Ipx_networks[j], 4 ))
235 ipx_send_packet_data( data, datasize, Ipx_users[i].network, Ipx_users[i].node, Ipx_users[i].address );
242 // Sends a non-localized packet... needs 4 byte server, 6 byte address
243 void ipx_send_internetwork_packet_data( ubyte * data, int datasize, ubyte * server, ubyte *address )
245 ubyte local_address[6];
247 if ( (*(uint *)server) != 0 ) {
248 ipx_get_local_target( server, address, local_address );
249 ipx_send_packet_data( data, datasize, server, address, local_address );
251 // Old method, no server info.
252 ipx_send_packet_data( data, datasize, server, address, address );
256 int ipx_change_default_socket( ushort socket_number )
258 if ( !ipx_installed ) return -3;
260 driver->CloseSocket(&ipx_socket_data);
261 if (driver->OpenSocket(&ipx_socket_data, socket_number)) {
267 void ipx_read_user_file(char * filename)
271 char temp_line[132], *p1;
274 if (!filename) return;
278 fp = fopen( filename, "rt" );
281 printf( "Broadcast Users:\n" );
283 while (fgets(temp_line, 132, fp)) {
285 p1 = strchr(temp_line,'\n'); if (p1) *p1 = '\0';
286 p1 = strchr(temp_line,';'); if (p1) *p1 = '\0';
287 #if 1 // adb: replaced sscanf(..., "%2x...", (char *)...) with better, but longer code
288 if (strlen(temp_line) >= 21 && temp_line[8] == '/') {
289 for (n = 0; n < 4; n++) {
290 if (sscanf(temp_line + n * 2, "%2x", &x) != 1)
296 for (n = 0; n < 6; n++) {
297 if (sscanf(temp_line + 9 + n * 2, "%2x", &x) != 1)
306 n = sscanf( temp_line, "%2x%2x%2x%2x/%2x%2x%2x%2x%2x%2x", &tmp.network[0], &tmp.network[1], &tmp.network[2], &tmp.network[3], &tmp.node[0], &tmp.node[1], &tmp.node[2],&tmp.node[3], &tmp.node[4], &tmp.node[5] );
307 if ( n != 10 ) continue;
309 if ( Ipx_num_users < MAX_USERS ) {
310 ubyte * ipx_real_buffer = (ubyte *)&tmp;
311 ipx_get_local_target( tmp.network, tmp.node, tmp.address );
312 Ipx_users[Ipx_num_users++] = tmp;
313 printf( "%02X%02X%02X%02X/", ipx_real_buffer[0],ipx_real_buffer[1],ipx_real_buffer[2],ipx_real_buffer[3] );
314 printf( "%02X%02X%02X%02X%02X%02X\n", ipx_real_buffer[4],ipx_real_buffer[5],ipx_real_buffer[6],ipx_real_buffer[7],ipx_real_buffer[8],ipx_real_buffer[9] );
316 printf( "Too many addresses in %s! (Limit of %d)\n", filename, MAX_USERS );
325 void ipx_read_network_file(char * filename)
329 char temp_line[132], *p1;
332 if (!filename) return;
334 fp = fopen( filename, "rt" );
337 printf( "Using Networks:\n" );
338 for (i=0; i<Ipx_num_networks; i++ ) {
339 ubyte * n1 = (ubyte *)&Ipx_networks[i];
340 printf("* %02x%02x%02x%02x\n", n1[0], n1[1], n1[2], n1[3] );
343 while (fgets(temp_line, 132, fp)) {
345 p1 = strchr(temp_line,'\n'); if (p1) *p1 = '\0';
346 p1 = strchr(temp_line,';'); if (p1) *p1 = '\0';
347 #if 1 // adb: replaced sscanf(..., "%2x...", (char *)...) with better, but longer code
348 if (strlen(temp_line) >= 8) {
349 for (n = 0; n < 4; n++) {
350 if (sscanf(temp_line + n * 2, "%2x", &x) != 1)
359 n = sscanf( temp_line, "%2x%2x%2x%2x", &tmp.network[0], &tmp.network[1], &tmp.network[2], &tmp.network[3] );
360 if ( n != 4 ) continue;
362 if ( Ipx_num_networks < MAX_NETWORKS ) {
364 for (j=0; j<Ipx_num_networks; j++ )
365 if ( !memcmp( &Ipx_networks[j], tmp.network, 4 ) )
367 if ( j >= Ipx_num_networks ) {
368 memcpy( &Ipx_networks[Ipx_num_networks++], tmp.network, 4 );
369 printf(" %02x%02x%02x%02x\n", tmp.network[0], tmp.network[1], tmp.network[2], tmp.network[3] );
372 printf( "Too many networks in %s! (Limit of %d)\n", filename, MAX_NETWORKS );