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kernel-pfkey: Add option to set receive buffer size of event socket

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If many requests are sent to the kernel the events generated by these
requests may fill the receive buffer before the daemon is able to read
these messages.

Fixes #783.
This commit is contained in:
Tobias Brunner
2015-03-06 16:45:22 +01:00
parent 3fcb59b62a
commit 96e6130537
3 changed files with 21 additions and 0 deletions
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src/libhydra/plugins/kernel_pfkey/kernel_pfkey_ipsec.c
+13
View File
@@ -2988,6 +2988,7 @@ kernel_pfkey_ipsec_t *kernel_pfkey_ipsec_create()
{
private_kernel_pfkey_ipsec_t *this;
bool register_for_events = TRUE;
int rcv_buffer;
INIT(this,
.public = {
@@ -3044,6 +3045,18 @@ kernel_pfkey_ipsec_t *kernel_pfkey_ipsec_create()
return NULL;
}
rcv_buffer = lib->settings->get_int(lib->settings,
"%s.plugins.kernel-pfkey.events_buffer_size", 0, lib->ns);
if (rcv_buffer > 0)
{
if (setsockopt(this->socket_events, SOL_SOCKET, SO_RCVBUF,
&rcv_buffer, sizeof(rcv_buffer)) == -1)
{
DBG1(DBG_KNL, "unable to set receive buffer size on PF_KEY "
"event socket: %s", strerror(errno));
}
}
/* register the event socket */
if (register_pfkey_socket(this, SADB_SATYPE_ESP) != SUCCESS ||
register_pfkey_socket(this, SADB_SATYPE_AH) != SUCCESS)