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gatppp: Add GAtPPP suspend API

This commit is contained in:
Guillaume Zajac 2011-05-20 11:38:14 +02:00 committed by Denis Kenzior
parent 7617c492b8
commit ab027e9e9c
2 changed files with 41 additions and 0 deletions
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40
gatchat/gatppp.c
View File

@ -46,6 +46,8 @@
#define PPP_ADDR_FIELD 0xff
#define PPP_CTRL 0x03
#define GUARD_TIMEOUTS 1500
enum ppp_phase {
PPP_PHASE_DEAD = 0, /* Link dead */
PPP_PHASE_ESTABLISHMENT, /* LCP started */
@ -79,6 +81,7 @@ struct _GAtPPP {
GAtSuspendFunc suspend_func;
gpointer suspend_data;
int fd;
guint guard_timeout_src;
gboolean suspended;
};
@ -509,6 +512,43 @@ void g_at_ppp_shutdown(GAtPPP *ppp)
pppcp_signal_close(ppp->lcp);
}
static gboolean call_suspend_cb(gpointer user_data)
{
GAtPPP *ppp = user_data;
ppp->guard_timeout_src = 0;
if (ppp->suspend_func)
ppp->suspend_func(ppp->suspend_data);
return FALSE;
}
static gboolean send_escape_sequence(gpointer user_data)
{
GAtPPP *ppp = user_data;
GAtIO *io = g_at_hdlc_get_io(ppp->hdlc);
ppp->guard_timeout_src = 0;
g_at_io_write(io, "+++", 3);
ppp->guard_timeout_src = g_timeout_add(GUARD_TIMEOUTS,
call_suspend_cb, ppp);
return FALSE;
}
void g_at_ppp_suspend(GAtPPP *ppp)
{
if (ppp == NULL)
return;
ppp->suspended = TRUE;
ppp_net_suspend_interface(ppp->net);
g_at_hdlc_suspend(ppp->hdlc);
ppp->guard_timeout_src = g_timeout_add(GUARD_TIMEOUTS,
send_escape_sequence, ppp);
}
void g_at_ppp_resume(GAtPPP *ppp)
{
if (ppp == NULL)

1
gatchat/gatppp.h
View File

@ -65,6 +65,7 @@ void g_at_ppp_set_suspend_function(GAtPPP *ppp, GAtSuspendFunc func,
gpointer user_data);
void g_at_ppp_set_debug(GAtPPP *ppp, GAtDebugFunc func, gpointer user_data);
void g_at_ppp_shutdown(GAtPPP *ppp);
void g_at_ppp_suspend(GAtPPP *ppp);
void g_at_ppp_resume(GAtPPP *ppp);
void g_at_ppp_ref(GAtPPP *ppp);
void g_at_ppp_unref(GAtPPP *ppp);