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socket-default: refactor socket pair opening to a function

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This commit is contained in:
Martin Willi 2013-04-11 20:19:57 +02:00
parent 6948df3220
commit a30727fe2b
1 changed files with 23 additions and 27 deletions
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50
src/libcharon/plugins/socket_default/socket_default_socket.c
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@ -614,6 +614,27 @@ static int open_socket(private_socket_default_socket_t *this,
return skt;
}
/**
* Open a socket pair (normal an NAT traversal) for a given address family
*/
static void open_socketpair(private_socket_default_socket_t *this, int family,
int *skt, int *skt_natt, char *label)
{
*skt = open_socket(this, family, &this->port);
if (*skt == -1)
{
DBG1(DBG_NET, "could not open %s socket, %s disabled", label, label);
}
else
{
*skt_natt = open_socket(this, family, &this->natt);
if (*skt_natt == -1)
{
DBG1(DBG_NET, "could not open %s NAT-T socket", label);
}
}
}
METHOD(socket_t, destroy, void,
private_socket_default_socket_t *this)
{
@ -672,33 +693,8 @@ socket_default_socket_t *socket_default_socket_create()
/* we allocate IPv6 sockets first as that will reserve randomly allocated
* ports also for IPv4 */
this->ipv6 = open_socket(this, AF_INET6, &this->port);
if (this->ipv6 == -1)
{
DBG1(DBG_NET, "could not open IPv6 socket, IPv6 disabled");
}
else
{
this->ipv6_natt = open_socket(this, AF_INET6, &this->natt);
if (this->ipv6_natt == -1)
{
DBG1(DBG_NET, "could not open IPv6 NAT-T socket");
}
}
this->ipv4 = open_socket(this, AF_INET, &this->port);
if (this->ipv4 == -1)
{
DBG1(DBG_NET, "could not open IPv4 socket, IPv4 disabled");
}
else
{
this->ipv4_natt = open_socket(this, AF_INET, &this->natt);
if (this->ipv4_natt == -1)
{
DBG1(DBG_NET, "could not open IPv4 NAT-T socket");
}
}
open_socketpair(this, AF_INET6, &this->ipv6, &this->ipv6_natt, "IPv6");
open_socketpair(this, AF_INET, &this->ipv4, &this->ipv4_natt, "IPv4");
if (this->ipv4 == -1 && this->ipv6 == -1)
{