ermyth/src/packet.C

/*
 * packet.C: IRC packet handling.
 * Rights to this code are documented in doc/pod/license.pod.
 *
 * Copyright © 2005-2007 Atheme Project (http://www.atheme.org)
 */

static char const rcsid[] = "$Id: packet.C,v 1.5 2007-08-30 19:56:26 pippijn Exp $";

#include "atheme.h"
#include "uplink.h"
#include "datastream.h"
#include "connection.h"

static void on_connected (connection_t *cptr);

/* bursting timer */
#if HAVE_GETTIMEOFDAY
struct timeval burstime;
#endif

static void
irc_recvq_handler (connection_t *cptr)
{
  bool wasnonl;
  char parsebuf[BUFSIZE + 1];
  int count;

  wasnonl = cptr->flags & CF_NONEWLINE ? true : false;
  count = recvq_getline (cptr, parsebuf, sizeof parsebuf - 1);
  if (count <= 0)
    return;
  cnt.bin += count;
  /* ignore the excessive part of a too long line */
  if (wasnonl)
    return;
  me.uplinkpong = NOW;
  if (parsebuf[count - 1] == '\n')
    count--;
  if (count > 0 && parsebuf[count - 1] == '\r')
    count--;
  parsebuf[count] = '\0';
  parse (parsebuf);
}

static void
ping_uplink (void *arg)
{
  unsigned int diff;

  if (me.connected)
    {
      phandler->ping_sts ();

      diff = NOW - me.uplinkpong;

      if (diff >= 600)
        {
          slog (LG_INFO, "ping_uplink(): uplink appears to be dead, disconnecting");
          sts ("ERROR :Closing Link: 127.0.0.1 (Ping timeout: %d seconds)", diff);
          sendq_flush (curr_uplink->conn);
          if (me.connected)
            {
              errno = 0;
              curr_uplink->conn->close ();
            }
        }
    }

  if (!me.connected)
    event_delete (ping_uplink, NULL);
}

static void
on_connected (connection_t *cptr)
{
  /* add our server */

  if (cptr == curr_uplink->conn)
    {
      cptr->flags = CF_UPLINK;
      cptr->recvq_handler = irc_recvq_handler;
      me.connected = true;
      /* no SERVER message received */
      me.recvsvr = false;

      slog (LG_INFO, "irc_handle_connect(): connection to uplink established");

      phandler->server_login ();

#ifdef HAVE_GETTIMEOFDAY
      /* start our burst timer */
      s_time (&burstime);
#endif

      /* done bursting by this time... */
      phandler->ping_sts ();

      /* ping our uplink every 5 minutes */
      event_delete (ping_uplink, NULL);
      event_add ("ping_uplink", ping_uplink, NULL, 300);
      me.uplinkpong = NOW;
    }
}

void
init_ircpacket (void)
{
  connection_t::callback.connected.attach (on_connected);
}
Revision:	1.6
Committed:	Wed Sep 5 11:23:15 2007 UTC (16 years, 9 months ago) by pippijn
Content type:	text/plain
Branch:	MAIN
Changes since 1.5:	+3 -3 lines
Log Message:	removed GPLed code and put license back to BSD
#	User	Rev	Content
1	pippijn	1.1	/*
2			* packet.C: IRC packet handling.
3	pippijn	1.2	* Rights to this code are documented in doc/pod/license.pod.
4	pippijn	1.1	*
5	pippijn	1.4	* Copyright © 2005-2007 Atheme Project (http://www.atheme.org)
6	pippijn	1.1	*/
7
8	pippijn	1.6	static char const rcsid[] = "$Id: packet.C,v 1.5 2007-08-30 19:56:26 pippijn Exp $";
9	pippijn	1.1
10			#include "atheme.h"
11			#include "uplink.h"
12			#include "datastream.h"
13	pippijn	1.5	#include "connection.h"
14	pippijn	1.1
15	pippijn	1.4	static void on_connected (connection_t *cptr);
16
17	pippijn	1.1	/* bursting timer */
18			#if HAVE_GETTIMEOFDAY
19			struct timeval burstime;
20			#endif
21
22			static void
23			irc_recvq_handler (connection_t *cptr)
24			{
25			bool wasnonl;
26			char parsebuf[BUFSIZE + 1];
27			int count;
28
29	pippijn	1.6	wasnonl = cptr->flags & CF_NONEWLINE ? true : false;
30	pippijn	1.1	count = recvq_getline (cptr, parsebuf, sizeof parsebuf - 1);
31			if (count <= 0)
32			return;
33			cnt.bin += count;
34			/* ignore the excessive part of a too long line */
35			if (wasnonl)
36			return;
37			me.uplinkpong = NOW;
38			if (parsebuf[count - 1] == '\n')
39			count--;
40			if (count > 0 && parsebuf[count - 1] == '\r')
41			count--;
42			parsebuf[count] = '\0';
43			parse (parsebuf);
44			}
45
46			static void
47			ping_uplink (void *arg)
48			{
49			unsigned int diff;
50
51			if (me.connected)
52			{
53	pippijn	1.4	phandler->ping_sts ();
54	pippijn	1.1
55			diff = NOW - me.uplinkpong;
56
57			if (diff >= 600)
58			{
59			slog (LG_INFO, "ping_uplink(): uplink appears to be dead, disconnecting");
60			sts ("ERROR :Closing Link: 127.0.0.1 (Ping timeout: %d seconds)", diff);
61			sendq_flush (curr_uplink->conn);
62			if (me.connected)
63			{
64			errno = 0;
65	pippijn	1.5	curr_uplink->conn->close ();
66	pippijn	1.1	}
67			}
68			}
69
70			if (!me.connected)
71			event_delete (ping_uplink, NULL);
72			}
73
74			static void
75	pippijn	1.4	on_connected (connection_t *cptr)
76	pippijn	1.1	{
77			/* add our server */
78
79			if (cptr == curr_uplink->conn)
80			{
81	pippijn	1.6	cptr->flags = CF_UPLINK;
82	pippijn	1.1	cptr->recvq_handler = irc_recvq_handler;
83			me.connected = true;
84			/* no SERVER message received */
85			me.recvsvr = false;
86
87			slog (LG_INFO, "irc_handle_connect(): connection to uplink established");
88
89	pippijn	1.4	phandler->server_login ();
90	pippijn	1.1
91			#ifdef HAVE_GETTIMEOFDAY
92			/* start our burst timer */
93			s_time (&burstime);
94			#endif
95
96			/* done bursting by this time... */
97	pippijn	1.4	phandler->ping_sts ();
98	pippijn	1.1
99			/* ping our uplink every 5 minutes */
100			event_delete (ping_uplink, NULL);
101			event_add ("ping_uplink", ping_uplink, NULL, 300);
102	pippijn	1.4	me.uplinkpong = NOW;
103	pippijn	1.1	}
104			}
105
106			void
107			init_ircpacket (void)
108			{
109	pippijn	1.4	connection_t::callback.connected.attach (on_connected);
110	pippijn	1.1	}