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core: initial implementation of modem states

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Needs more work for GSM, but should be reasonably complete for CDMA.
This commit is contained in:
Dan Williams
2009-10-27 15:01:00 -07:00
parent 4e74953b91
commit 9bbc6ab53b
7 changed files with 186 additions and 10 deletions
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65
src/mm-modem.c
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@@ -19,6 +19,7 @@
#include "mm-modem.h"
#include "mm-errors.h"
#include "mm-callback-info.h"
#include "mm-marshal.h"
static void impl_modem_enable (MMModem *modem, gboolean enable, DBusGMethodInvocation *context);
static void impl_modem_connect (MMModem *modem, const char *number, DBusGMethodInvocation *context);
@@ -57,9 +58,18 @@ mm_modem_enable (MMModem *self,
MMModemFn callback,
gpointer user_data)
{
MMModemState state;
g_return_if_fail (MM_IS_MODEM (self));
g_return_if_fail (callback != NULL);
state = mm_modem_get_state (self);
if (state >= MM_MODEM_STATE_ENABLED) {
/* Already enabled */
callback (self, NULL, user_data);
return;
}
if (MM_MODEM_GET_INTERFACE (self)->enable)
MM_MODEM_GET_INTERFACE (self)->enable (self, callback, user_data);
else
@@ -71,9 +81,18 @@ mm_modem_disable (MMModem *self,
MMModemFn callback,
gpointer user_data)
{
MMModemState state;
g_return_if_fail (MM_IS_MODEM (self));
g_return_if_fail (callback != NULL);
state = mm_modem_get_state (self);
if (state <= MM_MODEM_STATE_DISABLED) {
/* Already disabled */
callback (self, NULL, user_data);
return;
}
if (MM_MODEM_GET_INTERFACE (self)->disable)
MM_MODEM_GET_INTERFACE (self)->disable (self, callback, user_data);
else
@@ -381,11 +400,37 @@ mm_modem_get_device (MMModem *self)
return device;
}
MMModemState
mm_modem_get_state (MMModem *self)
{
MMModemState state = MM_MODEM_STATE_UNKNOWN;
g_object_get (G_OBJECT (self), MM_MODEM_STATE, &state, NULL);
return state;
}
void
mm_modem_set_state (MMModem *self,
MMModemState new_state,
MMModemStateReason reason)
{
MMModemState old_state = MM_MODEM_STATE_UNKNOWN;
g_object_get (G_OBJECT (self), MM_MODEM_STATE, &old_state, NULL);
if (new_state != old_state) {
g_object_set (G_OBJECT (self), MM_MODEM_STATE, new_state, NULL);
g_signal_emit_by_name (G_OBJECT (self), "state-changed", new_state, old_state, reason);
g_message ("%s: state %d -> %d", __func__, old_state, new_state);
}
}
/*****************************************************************************/
static void
mm_modem_init (gpointer g_iface)
{
GType iface_type = G_TYPE_FROM_INTERFACE (g_iface);
static gboolean initialized = FALSE;
if (initialized)
@@ -450,6 +495,26 @@ mm_modem_init (gpointer g_iface)
FALSE,
G_PARAM_READABLE));
g_object_interface_install_property
(g_iface,
g_param_spec_uint (MM_MODEM_STATE,
"State",
"State",
MM_MODEM_STATE_UNKNOWN,
MM_MODEM_STATE_LAST,
MM_MODEM_STATE_UNKNOWN,
G_PARAM_READWRITE));
/* Signals */
g_signal_new ("state-changed",
iface_type,
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (MMModem, state_changed),
NULL, NULL,
mm_marshal_VOID__UINT_UINT_UINT,
G_TYPE_NONE, 3,
G_TYPE_UINT, G_TYPE_UINT, G_TYPE_UINT);
initialized = TRUE;
}