---
 Makefile.am                |    2 +
 drivers/atmodem/sim-poll.c |  319 ++++++++++++++++++++++++++++++++++++++++++++
 drivers/atmodem/sim-poll.h |   22 +++
 plugins/atgen.c            |    8 +-
 plugins/phonesim.c         |    5 +-
 5 files changed, 350 insertions(+), 5 deletions(-)
 create mode 100644 drivers/atmodem/sim-poll.c
 create mode 100644 drivers/atmodem/sim-poll.h

diff --git a/Makefile.am b/Makefile.am
index a506dba..1279b0a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -125,6 +125,8 @@ builtin_sources += $(gatchat_sources) \
                                drivers/atmodem/network-registration.c \
                                drivers/atmodem/sim.c \
                                drivers/atmodem/stk.c \
+                               drivers/atmodem/sim-poll.c \
+                               drivers/atmodem/sim-poll.h \
                                drivers/atmodem/ussd.c \
                                drivers/atmodem/voicecall.c \
                                drivers/atmodem/call-barring.c \
diff --git a/drivers/atmodem/sim-poll.c b/drivers/atmodem/sim-poll.c
new file mode 100644
index 0000000..0fca4e7
--- /dev/null
+++ b/drivers/atmodem/sim-poll.c
@@ -0,0 +1,319 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2010  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#define _GNU_SOURCE
+#include <stdio.h>
+
+#include <glib.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/sim.h>
+#include <ofono/stk.h>
+
+#include "gatchat.h"
+#include "gatresult.h"
+#include "ofono.h"
+
+#include "atmodem.h"
+#include "sim-poll.h"
+
+struct sim_poll_data {
+       GAtChat *chat;
+       struct ofono_modem *modem;
+       struct ofono_sim *sim;
+       struct ofono_stk *stk;
+       unsigned int sim_watch;
+       unsigned int stk_watch;
+       unsigned int sim_state_watch;
+       gboolean inserted;
+       int idle_poll_interval;
+       gint status_timeout;
+       gint poll_timeout;
+       guint status_cmd;
+};
+
+static const char *csim_prefix[] = { "+CSIM:", NULL };
+
+static gboolean sim_status_poll(gpointer user_data);
+static void sim_fetch_command(struct sim_poll_data *spd, int length);
+
+static void at_csim_fetch_cb(gboolean ok, GAtResult *result,
+               gpointer user_data)
+{
+       struct sim_poll_data *spd = user_data;
+       GAtResultIter iter;
+       const guint8 *response;
+       gint rlen, len;
+
+       if (!ok)
+               return;
+
+       g_at_result_iter_init(&iter, result);
+
+       if (!g_at_result_iter_next(&iter, "+CSIM:"))
+               return;
+
+       if (!g_at_result_iter_next_number(&iter, &rlen))
+               return;
+
+       if (!g_at_result_iter_next_hexstring(&iter, &response, &len))
+               return;
+
+       if (rlen != len * 2 || len < 2)
+               return;
+
+       /* Check that SW1 indicates success */
+       if (response[len - 2] != 0x90 && response[len - 2] != 0x91)
+               return;
+
+       if (response[len - 2] == 0x90 && response[len - 1] != 0)
+               return;
+
+       DBG("csim_fetch_cb: %i", len);
+
+       ofono_stk_proactive_command_notify(spd->stk, len - 2, response);
+
+       /* Can this happen? */
+       if (response[len - 2] == 0x91)
+               sim_fetch_command(spd, response[len - 1]);
+}
+
+static void sim_fetch_command(struct sim_poll_data *spd, int length)
+{
+       char buf[64];
+
+       snprintf(buf, sizeof(buf), "AT+CSIM=10,A0120000%02hhX", length);
+
+       g_at_chat_send(spd->chat, buf, csim_prefix,
+                       at_csim_fetch_cb, spd, NULL);
+}
+
+static void sim_status_poll_schedule(struct sim_poll_data *spd)
+{
+       /* TODO: Decide on the interval based on whether any call is active */
+       /* TODO: On idle, possibly only schedule if proactive commands enabled
+        * as indicated by EFphase + EFsst (51.011: 11.6.1) */
+       int interval = spd->idle_poll_interval;
+
+       /* When a SIM is inserted, the SIM might have requested a different
+        * interval.  */
+       if (spd->inserted)
+               interval = ofono_modem_get_integer(spd->modem,
+                               "status-poll-interval");
+
+       spd->poll_timeout = g_timeout_add_seconds(interval,
+                       sim_status_poll, spd);
+}
+
+static gboolean sim_status_timeout(gpointer user_data)
+{
+       struct sim_poll_data *spd = user_data;
+
+       spd->status_timeout = 0;
+
+       g_at_chat_cancel(spd->chat, spd->status_cmd);
+       spd->status_cmd = 0;
+
+       if (spd->inserted == TRUE) {
+               spd->inserted = FALSE;
+               ofono_sim_inserted_notify(spd->sim, FALSE);
+       }
+
+       sim_status_poll_schedule(spd);
+
+       return FALSE;
+}
+
+static void at_csim_status_cb(gboolean ok, GAtResult *result,
+               gpointer user_data)
+{
+       struct sim_poll_data *spd = user_data;
+       GAtResultIter iter;
+       const guint8 *response;
+       gint rlen, len;
+
+       spd->status_cmd = 0;
+
+       if (!spd->status_timeout)
+               /* The STATUS already timed out */
+               return;
+
+       /* Card responded on time */
+
+       g_source_remove(spd->status_timeout);
+       spd->status_timeout = 0;
+
+       if (spd->inserted != TRUE) {
+               spd->inserted = TRUE;
+               ofono_sim_inserted_notify(spd->sim, TRUE);
+       }
+
+       sim_status_poll_schedule(spd);
+
+       /* Check if we have a proactive command */
+
+       if (!ok)
+               return;
+
+       g_at_result_iter_init(&iter, result);
+
+       if (!g_at_result_iter_next(&iter, "+CSIM:"))
+               return;
+
+       if (!g_at_result_iter_next_number(&iter, &rlen))
+               return;
+
+       if (!g_at_result_iter_next_hexstring(&iter, &response, &len))
+               return;
+
+       if (rlen != len * 2 || len < 2)
+               return;
+
+       if (response[len - 2] != 0x91)
+               return;
+
+       /* We have a proactive command pending, FETCH it */
+       sim_fetch_command(spd, response[len - 1]);
+}
+
+static gboolean sim_status_poll(gpointer user_data)
+{
+       struct sim_poll_data *spd = user_data;
+
+       spd->poll_timeout = 0;
+
+       /* The SIM must respond in a given time frame which is of at
+        * least 5 seconds in TS 11.11.  */
+       spd->status_timeout = g_timeout_add_seconds(5,
+                       sim_status_timeout, spd);
+
+       /* Send STATUS */
+       spd->status_cmd = g_at_chat_send(spd->chat, "AT+CSIM=8,A0F200C0",
+                       csim_prefix, at_csim_status_cb, spd, NULL);
+       if (spd->status_cmd == 0)
+               at_csim_status_cb(FALSE, NULL, spd);
+
+       return FALSE;
+}
+
+static void sim_state_watch(void *user, enum ofono_sim_state new_state)
+{
+       struct sim_poll_data *spd = user;
+
+       spd->inserted = new_state != OFONO_SIM_STATE_NOT_PRESENT;
+
+       if (!spd->inserted)
+               ofono_modem_set_integer(spd->modem,
+                               "status-poll-interval", 30);
+}
+
+static void sim_watch(struct ofono_atom *atom,
+               enum ofono_atom_watch_condition cond, void *data)
+{
+       struct sim_poll_data *spd = data;
+
+       if (cond == OFONO_ATOM_WATCH_CONDITION_REGISTERED) {
+               spd->sim = __ofono_atom_get_data(atom);
+
+               spd->sim_state_watch = ofono_sim_add_state_watch(spd->sim,
+                               sim_state_watch, spd, NULL);
+               sim_state_watch(spd, ofono_sim_get_state(spd->sim));
+
+               sim_status_poll(spd);
+
+               return;
+       }
+
+       if (cond != OFONO_ATOM_WATCH_CONDITION_UNREGISTERED)
+               return;
+
+       spd->inserted = FALSE;
+
+       spd->sim_state_watch = 0;
+
+       if (spd->sim_watch) {
+               __ofono_modem_remove_atom_watch(spd->modem, spd->sim_watch);
+               spd->sim_watch = 0;
+       }
+
+       if (spd->stk_watch) {
+               __ofono_modem_remove_atom_watch(spd->modem, spd->stk_watch);
+               spd->stk_watch = 0;
+       }
+
+       if (spd->status_timeout) {
+               g_source_remove(spd->status_timeout);
+               spd->status_timeout = 0;
+       }
+
+       if (spd->poll_timeout) {
+               g_source_remove(spd->poll_timeout);
+               spd->poll_timeout = 0;
+       }
+
+       g_free(spd);
+}
+
+static void stk_watch(struct ofono_atom *atom,
+               enum ofono_atom_watch_condition cond, void *data)
+{
+       struct sim_poll_data *spd = data;
+
+       if (cond == OFONO_ATOM_WATCH_CONDITION_REGISTERED)
+               spd->stk = __ofono_atom_get_data(atom);
+       else if (cond == OFONO_ATOM_WATCH_CONDITION_UNREGISTERED)
+               spd->stk = NULL;
+}
+
+void ofono_atmodem_poll_enable(struct ofono_modem *modem, GAtChat *chat)
+{
+       struct ofono_atom *sim_atom;
+       struct ofono_atom *stk_atom;
+       struct sim_poll_data *spd;
+
+       sim_atom = __ofono_modem_find_atom(modem, OFONO_ATOM_TYPE_SIM);
+       stk_atom = __ofono_modem_find_atom(modem, OFONO_ATOM_TYPE_STK);
+
+       if (!sim_atom)
+               return;
+
+       spd = g_new0(struct sim_poll_data, 1);
+       spd->chat = chat;
+       spd->modem = modem;
+       spd->idle_poll_interval = 30;
+
+       spd->stk_watch = __ofono_modem_add_atom_watch(spd->modem,
+                       OFONO_ATOM_TYPE_STK, stk_watch, spd, NULL);
+       if (stk_atom && __ofono_atom_get_registered(stk_atom))
+               stk_watch(stk_atom,
+                               OFONO_ATOM_WATCH_CONDITION_REGISTERED, spd);
+
+       spd->sim_watch = __ofono_modem_add_atom_watch(spd->modem,
+                       OFONO_ATOM_TYPE_SIM, sim_watch, spd, NULL);
+       if (__ofono_atom_get_registered(sim_atom))
+               sim_watch(sim_atom,
+                               OFONO_ATOM_WATCH_CONDITION_REGISTERED, spd);
+}
diff --git a/drivers/atmodem/sim-poll.h b/drivers/atmodem/sim-poll.h
new file mode 100644
index 0000000..595c2f5
--- /dev/null
+++ b/drivers/atmodem/sim-poll.h
@@ -0,0 +1,22 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2010  Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+void ofono_atmodem_poll_enable(struct ofono_modem *modem, GAtChat *chat);
diff --git a/plugins/atgen.c b/plugins/atgen.c
index 262d32f..4a0e315 100644
--- a/plugins/atgen.c
+++ b/plugins/atgen.c
@@ -49,6 +49,8 @@
 #include <ofono/ussd.h>
 #include <ofono/voicecall.h>
 
+#include <drivers/atmodem/sim-poll.h>
+
 static const char *tty_opts[] = {
        "Baud",
        "Read",
@@ -157,17 +159,15 @@ static int atgen_disable(struct ofono_modem *modem)
 static void atgen_pre_sim(struct ofono_modem *modem)
 {
        GAtChat *chat = ofono_modem_get_data(modem);
-       struct ofono_sim *sim;
 
        DBG("%p", modem);
 
        ofono_devinfo_create(modem, 0, "atmodem", chat);
-       sim = ofono_sim_create(modem, 0, "atmodem", chat);
+       ofono_sim_create(modem, 0, "atmodem", chat);
        ofono_voicecall_create(modem, 0, "atmodem", chat);
        ofono_stk_create(modem, 0, "atmodem", chat);
 
-       if (sim)
-               ofono_sim_inserted_notify(sim, TRUE);
+       ofono_atmodem_poll_enable(modem, chat);
 }
 
 static void atgen_post_sim(struct ofono_modem *modem)
diff --git a/plugins/phonesim.c b/plugins/phonesim.c
index 9153e1b..5685820 100644
--- a/plugins/phonesim.c
+++ b/plugins/phonesim.c
@@ -59,6 +59,7 @@
 #include <ofono/gprs-context.h>
 
 #include <drivers/atmodem/vendor.h>
+#include <drivers/atmodem/sim-poll.h>
 
 struct phonesim_data {
        GAtMux *mux;
@@ -292,7 +293,9 @@ static void phonesim_pre_sim(struct ofono_modem *modem)
 
        ofono_stk_create(modem, 0, "atmodem", data->chat);
 
-       if (sim)
+       if (!data->calypso)
+               ofono_atmodem_poll_enable(modem, data->chat);
+       else if (sim)
                ofono_sim_inserted_notify(sim, TRUE);
 }
 
-- 
1.6.1

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