From 0eb707fdcf1b87e71bb3a9eaa8472d0b05799a3d Mon Sep 17 00:00:00 2001 From: Terry Dawson VK2KTJ Date: Wed, 12 Sep 2001 13:18:43 +0000 Subject: updated libtool, uniformly indented source, corrected small ax25mond Makefile bug --- ax25ipd/routing.c | 164 ++++++++++++++++++++++++++---------------------------- 1 file changed, 80 insertions(+), 84 deletions(-) (limited to 'ax25ipd/routing.c') diff --git a/ax25ipd/routing.c b/ax25ipd/routing.c index 3f771b3..b3af836 100644 --- a/ax25ipd/routing.c +++ b/ax25ipd/routing.c @@ -15,31 +15,30 @@ /* The routing table structure is not visible outside this module. */ struct route_table_entry { - unsigned char callsign[7]; /* the callsign and ssid */ - unsigned char padcall; /* always set to zero */ - unsigned char ip_addr[4]; /* the IP address */ - unsigned short udp_port; /* the port number if udp */ + unsigned char callsign[7]; /* the callsign and ssid */ + unsigned char padcall; /* always set to zero */ + unsigned char ip_addr[4]; /* the IP address */ + unsigned short udp_port; /* the port number if udp */ unsigned char pad1; unsigned char pad2; - unsigned int flags; /* route flags */ - struct route_table_entry* next; + unsigned int flags; /* route flags */ + struct route_table_entry *next; }; -struct route_table_entry* route_tbl; -struct route_table_entry* default_route; +struct route_table_entry *route_tbl; +struct route_table_entry *default_route; /* The Broadcast address structure is not visible outside this module either */ struct bcast_table_entry { - unsigned char callsign[7]; /* The broadcast address */ - struct bcast_table_entry* next; + unsigned char callsign[7]; /* The broadcast address */ + struct bcast_table_entry *next; }; -struct bcast_table_entry* bcast_tbl; +struct bcast_table_entry *bcast_tbl; /* Initialize the routing module */ -void -route_init() +void route_init() { route_tbl = NULL; default_route = NULL; @@ -47,8 +46,7 @@ route_init() } /* Add a new route entry */ -void -route_add(ip, call, udpport, flags) +void route_add(ip, call, udpport, flags) unsigned char *ip; unsigned char *call; int udpport; @@ -58,23 +56,24 @@ unsigned int flags; int i; /* Check we have an IP address */ - if (ip==NULL) + if (ip == NULL) return; /* Check we have a callsign */ - if (call==NULL) + if (call == NULL) return; /* Find the last entry in the list */ - rl=route_tbl; + rl = route_tbl; if (route_tbl) while (rl->next) - rl=rl->next; + rl = rl->next; - rn=(struct route_table_entry*)malloc(sizeof(struct route_table_entry)); + rn = (struct route_table_entry *) + malloc(sizeof(struct route_table_entry)); /* Build this entry ... */ - for (i=0; i<6; i++) + for (i = 0; i < 6; i++) rn->callsign[i] = call[i] & 0xfe; rn->callsign[6] = (call[6] & 0x1e) | 0x60; rn->padcall = 0; @@ -83,58 +82,57 @@ unsigned int flags; rn->pad1 = 0; rn->pad2 = 0; rn->flags = flags; - rn->next=NULL; + rn->next = NULL; /* Update the default_route pointer if this is a default route */ if (flags & AXRT_DEFAULT) - default_route=rn; + default_route = rn; - if (rl) /* ... the list is already started add the new route */ - rl->next=rn; - else /* ... start the list off */ - route_tbl=rn; + if (rl) /* ... the list is already started add the new route */ + rl->next = rn; + else /* ... start the list off */ + route_tbl = rn; /* Log this entry ... */ LOGL4("added route: %s\t%s\t%s\t%d\t%d\n", - call_to_a(rn->callsign), - (char *)inet_ntoa(*(struct in_addr *)rn->ip_addr), - rn->udp_port ? "udp" : "ip", - ntohs(rn->udp_port), flags); + call_to_a(rn->callsign), + (char *) inet_ntoa(*(struct in_addr *) rn->ip_addr), + rn->udp_port ? "udp" : "ip", ntohs(rn->udp_port), flags); return; } /* Add a new broadcast address entry */ -void -bcast_add(call) -unsigned char* call; +void bcast_add(call) +unsigned char *call; { struct bcast_table_entry *bl, *bn; int i; /* Check we have a callsign */ - if (call==NULL) + if (call == NULL) return; /* Find the last entry in the list */ - bl=bcast_tbl; + bl = bcast_tbl; if (bcast_tbl) while (bl->next) - bl=bl->next; + bl = bl->next; - bn=(struct bcast_table_entry*)malloc(sizeof(struct bcast_table_entry)); + bn = (struct bcast_table_entry *) + malloc(sizeof(struct bcast_table_entry)); /* Build this entry ... */ - for (i=0; i<6; i++) + for (i = 0; i < 6; i++) bn->callsign[i] = call[i] & 0xfe; bn->callsign[6] = (call[6] & 0x1e) | 0x60; - bn->next=NULL; + bn->next = NULL; - if (bl) /* ... the list is already started add the new route */ - bl->next=bn; - else /* ... start the list off */ - bcast_tbl=bn; + if (bl) /* ... the list is already started add the new route */ + bl->next = bn; + else /* ... start the list off */ + bcast_tbl = bn; /* Log this entry ... */ LOGL4("added broadcast address: %s\n", call_to_a(bn->callsign)); @@ -146,32 +144,32 @@ unsigned char* call; * immediately following the IP address. (UGLY coding; to be fixed later!) */ -unsigned char * -call_to_ip(call) +unsigned char *call_to_ip(call) unsigned char *call; { - struct route_table_entry* rp; + struct route_table_entry *rp; unsigned char mycall[7]; int i; - if(call==NULL) + if (call == NULL) return NULL; - for(i=0; i<6; i++) + for (i = 0; i < 6; i++) mycall[i] = call[i] & 0xfe; mycall[6] = (call[6] & 0x1e) | 0x60; - LOGL4("lookup call %s ",call_to_a(mycall)); + LOGL4("lookup call %s ", call_to_a(mycall)); - rp=route_tbl; + rp = route_tbl; while (rp) { - if (addrmatch(mycall,rp->callsign)) { + if (addrmatch(mycall, rp->callsign)) { LOGL4("found ip addr %s\n", - (char *)inet_ntoa(*(struct in_addr *)rp->ip_addr)); + (char *) inet_ntoa(*(struct in_addr *) + rp->ip_addr)); return rp->ip_addr; } - rp=rp->next; + rp = rp->next; } /* @@ -180,7 +178,8 @@ unsigned char *call; */ if (default_route) { LOGL4("failed, using default ip addr %s\n", - (char *)inet_ntoa(*(struct in_addr *)default_route->ip_addr)); + (char *) inet_ntoa(*(struct in_addr *) + default_route->ip_addr)); return default_route->ip_addr; } @@ -192,73 +191,70 @@ unsigned char *call; * Accept a callsign and return true if it is a broadcast address, or false * if it is not found on the list */ -int -is_call_bcast(call) +int is_call_bcast(call) unsigned char *call; { - struct bcast_table_entry* bp; + struct bcast_table_entry *bp; unsigned char bccall[7]; int i; - if(call==NULL) - return(FALSE); + if (call == NULL) + return (FALSE); - for(i=0; i<6; i++) + for (i = 0; i < 6; i++) bccall[i] = call[i] & 0xfe; bccall[6] = (call[6] & 0x1e) | 0x60; - LOGL4("lookup broadcast %s ",call_to_a(bccall)); + LOGL4("lookup broadcast %s ", call_to_a(bccall)); - bp=bcast_tbl; + bp = bcast_tbl; while (bp) { - if (addrmatch(bccall,bp->callsign)) { - LOGL4("found broadcast %s\n", call_to_a(bp->callsign)); - return(TRUE); + if (addrmatch(bccall, bp->callsign)) { + LOGL4("found broadcast %s\n", + call_to_a(bp->callsign)); + return (TRUE); } - bp=bp->next; + bp = bp->next; } - return(FALSE); + return (FALSE); } /* Traverse the routing table, transmitting the packet to each bcast route */ -void -send_broadcast(buf, l) +void send_broadcast(buf, l) unsigned char *buf; int l; { struct route_table_entry *rp; - rp=route_tbl; + rp = route_tbl; while (rp) { if (rp->flags & AXRT_BCAST) { send_ip(buf, l, rp->ip_addr); } - rp=rp->next; + rp = rp->next; } } /* print out the list of routes */ -void -dump_routes() +void dump_routes() { - struct route_table_entry* rp; + struct route_table_entry *rp; int i; - for (rp=route_tbl, i=0; rp; rp=rp->next) + for (rp = route_tbl, i = 0; rp; rp = rp->next) i++; - LOGL1("\n%d active routes.\n",i); + LOGL1("\n%d active routes.\n", i); - rp=route_tbl; + rp = route_tbl; while (rp) { LOGL1(" %s\t%s\t%s\t%d\t%d\n", - call_to_a(rp->callsign), - (char *)inet_ntoa(*(struct in_addr *)rp->ip_addr), - rp->udp_port ? "udp" : "ip", - ntohs(rp->udp_port), rp->flags); - rp=rp->next; + call_to_a(rp->callsign), + (char *) inet_ntoa(*(struct in_addr *) rp->ip_addr), + rp->udp_port ? "udp" : "ip", + ntohs(rp->udp_port), rp->flags); + rp = rp->next; } fflush(stdout); } - -- cgit v1.2.3