int main(int argc , char *argv[])
{
/*just echo the prompt and wait for a line to be enterred in
*then search the url as the key to find data
* then output
*/
bstring url = NULL ;
bstring route = NULL;
check(argc == 2 , "usage: urlor <urlfile>");
TSTree *routes = load_routes(argv[1]);
check(routes != NULL , "your route file has an errro.");
while(1){
url = read_line("URL>");
check_debug(url != NULL , "goodbye");
route = match_url(routes , url);
if(route) {
printf("match %s == %s\n" , bdata(url) , bdata(route));
} else{
printf("fail;%s \n" , bdata(url));
}
bdestroy(url);
}
destroy_routes(routes);
return 0;
error:
destroy_routes(routes);
return 1;
}
int main(int argc, char *argv[])
{
bstring url = NULL;
bstring route = NULL;
TSTree *routes = NULL;
check(argc == 2, "USAGE: urlor <urlfile>");
routes = load_routes(argv[1]);
check(routes != NULL, "Your route file has an error.");
while (1) {
url = read_line("URL> ");
check_debug(url != NULL, "goodbye.");
route = match_url(routes, url);
if (route) {
printf("MATCH: %s == %s\n", bdata(url), bdata(route));
} else {
printf("FAIL: %s\n", bdata(url));
}
bdestroy(url);
}
destroy_routes(routes);
return 0;
error:
destroy_routes(routes);
return 1;
}
int main(int argc, char **argv)
{
struct packet {
unsigned long word1;
unsigned long word2;
unsigned long word3;
unsigned long src_addr;
unsigned long dst_addr;
unsigned char rest[8172];
};
int addrlen;
int fd;
int i;
int n;
struct packet packet;
struct route *rp;
struct sockaddr_in addr;
if (argc >= 2) {
load_routes();
dump_routes();
exit(0);
}
if ((fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
halt("socket");
memset((char *) &addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = INADDR_ANY;
addr.sin_port = htons(PORT);
if (bind(fd, (struct sockaddr *) &addr, sizeof(addr)))
halt("bind");
for (n = 0; n < 60; n++) {
if (n != fd)
close(n);
}
if (fork())
exit(0);
setsid();
if (fork())
exit(0);
load_routes();
for (;;) {
addrlen = sizeof(addr);
n = recvfrom(fd, (char *) &packet, sizeof(struct packet), 0, (struct sockaddr *) &addr, &addrlen);
if (n < 20)
continue;
i = (int) (packet.src_addr & 0xff);
for (rp = Routes[i]; rp && rp->a_addr != packet.src_addr; rp = rp->next) ;
if (!rp) {
rp = (struct route *) malloc(sizeof(struct route));
if (rp) {
rp->a_addr = packet.src_addr;
rp->i_addr = 0;
rp->i_port = 0;
rp->next = Routes[i];
Routes[i] = rp;
}
}
if (rp &&
(rp->i_addr != addr.sin_addr.s_addr ||
rp->i_port != addr.sin_port)) {
rp->i_addr = addr.sin_addr.s_addr;
rp->i_port = addr.sin_port;
save_routes();
}
i = (int) (packet.dst_addr & 0xff);
for (rp = Routes[i]; rp && rp->a_addr != packet.dst_addr; rp = rp->next) ;
if (!rp)
rp = find_subnet_route(packet.dst_addr);
if (rp) {
addr.sin_addr.s_addr = rp->i_addr;
addr.sin_port = rp->i_port;
sendto(fd, (char *) &packet, n, 0, (struct sockaddr *) &addr, sizeof(addr));
}
}
}
