peer.c File Reference

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Detailed Description

CDiameterPeer Peer related functionality.

Author:

Dragos Vingarzan vingarzan -at- fokus dot fraunhofer dot de

Definition in file peer.c.

#include <time.h>
#include "peer.h"
#include "diameter.h"

Go to the source code of this file.

Functions
peer *	new_peer (str fqdn, str realm, int port)
	Create a new peer.
void	free_peer (peer *x, int locked)
	Frees the memory taken by a peer structure.
void	touch_peer (peer *p)
	"Touches" the peer by updating the last activity time to the current time.

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Function Documentation

peer* new_peer	(	str	fqdn,
		str	realm,
		int	port
	)

Create a new peer.

• All the memory from parameters is duplicated.

  Parameters:

  	fqdn	- FQDN of the peer
  	realm	- Realm of the peer
  	port	- port of the peer to connect to

  Returns:

  the new peer* if ok, NULL on error

Definition at line 68 of file peer.c.

References _peer_t::activity, Closed, _peer_t::fqdn, _peer_t::I_sock, _peer_t::lock, LOG_NO_MEM, _peer_t::next, _peer_t::port, _peer_t::prev, _peer_t::R_sock, _peer_t::realm, shm_str_dup, and _peer_t::state.

Referenced by get_peer_from_fqdn(), and peer_manager_init().

{
    peer *x;
    x = shm_malloc(sizeof(peer));
    if (!x){
        LOG_NO_MEM("shm",sizeof(peer));
        goto error;
    }
    memset(x,0,sizeof(peer));
    shm_str_dup(x->fqdn,fqdn);
    if (!x->fqdn.s) goto error; 
    shm_str_dup(x->realm,realm);
    if (!x->realm.s) goto error;    
    x->port = port;
    x->lock = lock_alloc();
    x->lock = lock_init(x->lock);
        
    x->state = Closed;

    x->I_sock = -1;
    x->R_sock = -1;

    x->activity = time(0)-500;  
    
    x->next = 0;
    x->prev = 0;
    
    return x;
error:
    return 0;
}

void free_peer	(	peer *	x,
		int	locked
	)

Frees the memory taken by a peer structure.

Parameters:

	x	- the peer to free
	locked	- if the caller of this function already acquired the lock on this peer

Definition at line 105 of file peer.c.

References _peer_t::fqdn, _peer_t::lock, and _peer_t::realm.

Referenced by peer_manager_destroy(), and peer_timer().

{
    if (!x) return;
    if (!locked) lock_get(x->lock);
    if (x->fqdn.s) shm_free(x->fqdn.s);
    if (x->realm.s) shm_free(x->realm.s);   
    lock_destroy(x->lock);
    lock_dealloc((void*)x->lock);
    shm_free(x);
}

void touch_peer

(

peer *

p

)

[inline]

"Touches" the peer by updating the last activity time to the current time.

Parameters:

p

- which peer to touch

Definition at line 120 of file peer.c.

References _peer_t::activity.

Referenced by get_peer_from_fqdn(), peer_timer(), R_Accept(), receive_message(), and Snd_Message().

{
    p->activity = time(0);
}

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