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#11 routing between clients implemented. clients need to poll more often to get reasonable packetloss due to no queue

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This commit is contained in:
Erik Ekman 2007-02-11 16:39:09 +00:00
parent 3341f3c268
commit 76ec4ab895
1 changed files with 15 additions and 1 deletions
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16
src/iodined.c
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@ -129,12 +129,14 @@ tunnel_dns(int tun_fd, int dns_fd)
{ {
struct in_addr tempip; struct in_addr tempip;
struct user dummy; struct user dummy;
struct ip *hdr;
unsigned long outlen; unsigned long outlen;
char logindata[16]; char logindata[16];
char out[64*1024]; char out[64*1024];
char in[64*1024]; char in[64*1024];
char *tmp[2]; char *tmp[2];
int userid; int userid;
int touser;
int version; int version;
int read; int read;
int code; int code;
@ -248,8 +250,20 @@ tunnel_dns(int tun_fd, int dns_fd)
uncompress((uint8_t*)out, &outlen, uncompress((uint8_t*)out, &outlen,
(uint8_t*)users[userid].inpacket.data, users[userid].inpacket.len); (uint8_t*)users[userid].inpacket.data, users[userid].inpacket.len);
write_tun(tun_fd, out, outlen); hdr = (struct ip*) (out + 4);
touser = find_user_by_ip(hdr->ip_dst.s_addr);
if (touser == -1) {
/* send the uncompressed packet to tun device */
write_tun(tun_fd, out, outlen);
} else {
/* send the compressed packet to other client
* if another packet is queued, throw away this one. TODO build queue */
if (users[touser].outpacket.len == 0) {
memcpy(users[touser].outpacket.data, users[userid].inpacket.data, users[userid].inpacket.len);
users[touser].outpacket.len = users[userid].inpacket.len;
}
}
users[userid].inpacket.len = users[userid].inpacket.offset = 0; users[userid].inpacket.len = users[userid].inpacket.offset = 0;
} }
} }