spread knowledge about how to contact us (get HELLO from peerinfo), and remember HELLOs of other peers we have an interest in More...

#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_statistics_service.h"
#include "gnunet_peerinfo_service.h"
#include "cadet_protocol.h"
#include "gnunet-service-cadet.h"
#include "gnunet-service-cadet_dht.h"
#include "gnunet-service-cadet_hello.h"
#include "gnunet-service-cadet_peer.h"

Include dependency graph for gnunet-service-cadet_hello.c:

Macros
#define	LOG(level, ...) GNUNET_log_from (level, "cadet-hll", __VA_ARGS__)

Functions
static void	got_hello (void cls, const struct GNUNET_PeerIdentity id, const struct GNUNET_HELLO_Message hello, const char err_msg)
	Process each hello message received from peerinfo. More...

void	GCH_init (const struct GNUNET_CONFIGURATION_Handle *c)
	Initialize the hello subsystem. More...

void	GCH_shutdown ()
	Shut down the hello subsystem. More...

const struct GNUNET_HELLO_Message *	GCH_get_mine (void)
	Get own hello message. More...

Variables
static struct GNUNET_HELLO_Message *	mine
	Hello message of local peer. More...

static struct GNUNET_PEERINFO_Handle *	peerinfo
	Handle to peerinfo service. More...

static struct GNUNET_PEERINFO_NotifyContext *	nc
	Iterator context. More...

Detailed Description

spread knowledge about how to contact us (get HELLO from peerinfo), and remember HELLOs of other peers we have an interest in

Author: Bartlomiej Polot; Christian Grothoff

Definition in file gnunet-service-cadet_hello.c.

Macro Definition Documentation

◆ LOG

#define LOG	(	level,
		...
	)	GNUNET_log_from (level, "cadet-hll", __VA_ARGS__)

Definition at line 38 of file gnunet-service-cadet_hello.c.

Function Documentation

◆ got_hello()

static void got_hello	(	void *	cls,
		const struct GNUNET_PeerIdentity *	id,
		const struct GNUNET_HELLO_Message *	hello,
		const char *	err_msg
	)

static

Process each hello message received from peerinfo.

Parameters

cls	Closure (unused).
id	Identity of the peer.
hello	Hello of the peer.
err_msg	Error message.

Definition at line 65 of file gnunet-service-cadet_hello.c.

 {
   struct CadetPeer *peer;
  
   if ((NULL == id) ||
       (NULL == hello))
     return;
   if (0 == GNUNET_memcmp (id,
                           &my_full_id))
   {
     GNUNET_free (mine);
     mine = (struct GNUNET_HELLO_Message *) GNUNET_copy_message (&hello->header);
     GCD_hello_update ();
     return;
   }
  
   LOG (GNUNET_ERROR_TYPE_DEBUG,
        "Hello for %s (%d bytes), expires on %s\n",
        GNUNET_i2s (id),
        GNUNET_HELLO_size (hello),
        GNUNET_STRINGS_absolute_time_to_string (
          GNUNET_HELLO_get_last_expiration (hello)));
   peer = GCP_get (id,
                   GNUNET_YES);
   GCP_set_hello (peer,
                  hello);
 }

References GCD_hello_update(), GCP_get(), GCP_set_hello(), GNUNET_copy_message(), GNUNET_ERROR_TYPE_DEBUG, GNUNET_free, GNUNET_HELLO_get_last_expiration(), GNUNET_HELLO_size(), GNUNET_i2s(), GNUNET_memcmp, GNUNET_STRINGS_absolute_time_to_string(), GNUNET_YES, GNUNET_HELLO_Message::header, CadetPeer::hello, LOG, mine, my_full_id, and peer.

Referenced by GCH_init().

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◆ GCH_init()

void GCH_init ( const struct GNUNET_CONFIGURATION_Handle * c )

Initialize the hello subsystem.

Parameters

c	Configuration.

Definition at line 103 of file gnunet-service-cadet_hello.c.

 {
   GNUNET_assert (NULL == nc);
   peerinfo = GNUNET_PEERINFO_connect (c);
   nc = GNUNET_PEERINFO_notify (c,
                                GNUNET_NO,
                                &got_hello,
                                NULL);
 }

References GNUNET_assert, GNUNET_NO, GNUNET_PEERINFO_connect(), GNUNET_PEERINFO_notify(), got_hello(), nc, and peerinfo.

Referenced by run().

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◆ GCH_shutdown()

void GCH_shutdown ( void )

Shut down the hello subsystem.

Definition at line 118 of file gnunet-service-cadet_hello.c.

 {
   if (NULL != nc)
   {
     GNUNET_PEERINFO_notify_cancel (nc);
     nc = NULL;
   }
   if (NULL != peerinfo)
   {
     GNUNET_PEERINFO_disconnect (peerinfo);
     peerinfo = NULL;
   }
   if (NULL != mine)
   {
     GNUNET_free (mine);
     mine = NULL;
   }
 }