Add isimodem gprs driver

1 files changed, 315 insertions, 0 deletions

diff --git a/drivers/isimodem/gprs.c b/drivers/isimodem/gprs.c
new file mode 100644
index 00000000..623ba3c3
--- /dev/null
+++ b/drivers/isimodem/gprs.c
@@ -0,0 +1,315 @@
+/*
+ * This file is part of oFono - Open Source Telephony
+ *
+ * Copyright (C) 2010  Nokia Corporation and/or its subsidary(-ies).
+ *
+ * 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 <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <inttypes.h>
+
+#include <glib.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/gprs.h>
+#include <gisi/client.h>
+
+#include "isimodem.h"
+#include "isiutil.h"
+#include "gpds.h"
+#include "debug.h"
+
+struct gprs_data {
+	GIsiClient *client;
+};
+
+static void detach_ind_cb(GIsiClient *client, const void *restrict data,
+				size_t len, uint16_t object, void *opaque)
+{
+	/*struct ofono_gprs *gprs = opaque;*/
+	const unsigned char *msg = data;
+
+	if (!msg || len < 3 || msg[0] != GPDS_DETACH_IND)
+		return;
+
+	DBG("detached: %s (0x%02"PRIx8")",
+		gpds_isi_cause_name(msg[1]), msg[1]);
+
+	/* TODO: Don't report this to core, it won't ever reattach */
+	/*ofono_gprs_detached_notify(gprs);*/
+}
+
+static gboolean isi_gprs_register(gpointer user)
+{
+	struct ofono_gprs *gprs = user;
+	struct gprs_data *gd = ofono_gprs_get_data(gprs);
+
+	const char *debug = getenv("OFONO_ISI_DEBUG");
+
+	if (debug && (strcmp(debug, "all") == 0 || strcmp(debug, "gpds") == 0))
+		g_isi_client_set_debug(gd->client, gpds_debug, NULL);
+
+	g_isi_subscribe(gd->client, GPDS_DETACH_IND, detach_ind_cb, gprs);
+
+	ofono_gprs_register(user);
+
+	return FALSE;
+}
+
+static void gpds_reachable_cb(GIsiClient *client, bool alive, uint16_t object,
+				void *opaque)
+{
+	struct ofono_gprs *gprs = opaque;
+
+	if (!alive) {
+		DBG("unable to bootsrap gprs driver");
+		return;
+	}
+
+	DBG("%s (v%03d.%03d)",
+		pn_resource_name(g_isi_client_resource(client)),
+		g_isi_version_major(client),
+		g_isi_version_minor(client));
+
+	g_idle_add(isi_gprs_register, gprs);
+}
+
+static int isi_gprs_probe(struct ofono_gprs *gprs,
+				unsigned int vendor, void *user)
+{
+	GIsiModem *idx = user;
+	struct gprs_data *gd = g_try_new0(struct gprs_data, 1);
+
+	if (!gd)
+		return -ENOMEM;
+
+	gd->client = g_isi_client_create(idx, PN_GPDS);
+	if (!gd->client) {
+		g_free(gd);
+		return -ENOMEM;
+	}
+
+	ofono_gprs_set_data(gprs, gd);
+
+	ofono_gprs_set_cid_range(gprs, 1, GPDS_MAX_CONTEXT_COUNT + 1);
+
+	g_isi_verify(gd->client, gpds_reachable_cb, gprs);
+
+	return 0;
+}
+
+static void isi_gprs_remove(struct ofono_gprs *gprs)
+{
+	struct gprs_data *gd = ofono_gprs_get_data(gprs);
+
+	ofono_gprs_set_data(gprs, NULL);
+
+	if (gd->client)
+		g_isi_client_destroy(gd->client);
+
+	g_free(gd);
+}
+
+static bool attach_resp_cb(GIsiClient *client, const void *restrict data,
+				size_t len, uint16_t object, void *opaque)
+{
+	const unsigned char *msg = data;
+	struct isi_cb_data *cbd = opaque;
+	ofono_gprs_cb_t cb = cbd->cb;
+
+	if(!msg) {
+		DBG("ISI client error: %d", g_isi_client_error(client));
+		goto error;
+	}
+
+	if (len != 4 || msg[0] != GPDS_ATTACH_RESP)
+		return false;
+
+	if (msg[1] != GPDS_OK) {
+		DBG("attach failed: %s", gpds_status_name(msg[1]));
+		goto error;
+	}
+
+	CALLBACK_WITH_SUCCESS(cb, cbd->data);
+	goto out;
+
+error:
+	CALLBACK_WITH_FAILURE(cb, cbd->data);
+
+out:
+	g_free(cbd);
+	return true;
+}
+
+static bool detach_resp_cb(GIsiClient *client, const void *restrict data,
+				size_t len, uint16_t object, void *opaque)
+{
+	const unsigned char *msg = data;
+	struct isi_cb_data *cbd = opaque;
+	ofono_gprs_cb_t cb = cbd->cb;
+
+	if(!msg) {
+		DBG("ISI client error: %d", g_isi_client_error(client));
+		goto error;
+	}
+
+	if (len != 3 || msg[0] != GPDS_DETACH_RESP)
+		return false;
+
+	if (msg[1] != GPDS_OK) {
+		DBG("detach failed: %s", gpds_status_name(msg[1]));
+		goto error;
+	}
+
+	CALLBACK_WITH_SUCCESS(cb, cbd->data);
+	goto out;
+
+error:
+	CALLBACK_WITH_FAILURE(cb, cbd->data);
+
+out:
+	g_free(cbd);
+	return true;
+}
+
+static GIsiRequest *attach_request_make(GIsiClient *client, void *data)
+{
+	const unsigned char msg[] = {
+		GPDS_ATTACH_REQ,
+		GPDS_FOLLOW_OFF
+	};
+
+	return g_isi_request_make(client, msg, sizeof(msg), GPDS_TIMEOUT,
+					attach_resp_cb, data);
+}
+
+static GIsiRequest *detach_request_make(GIsiClient *client, void *data)
+{
+	const unsigned char msg[] = {
+		GPDS_DETACH_REQ,
+		0x00, /* filler */
+		0x00  /* sub-blocks */
+	};
+
+	return g_isi_request_make(client, msg, sizeof(msg), GPDS_TIMEOUT,
+					detach_resp_cb, data);
+}
+
+static void isi_gprs_set_attached(struct ofono_gprs *gprs, int attached,
+					ofono_gprs_cb_t cb, void *data)
+{
+	struct gprs_data *gd = ofono_gprs_get_data(gprs);
+	struct isi_cb_data *cbd = isi_cb_data_new(NULL, cb, data);
+
+	GIsiRequest *req;
+
+	if (!cbd)
+		goto error;
+
+	if (attached)
+		req = attach_request_make(gd->client, cbd);
+	else
+		req = detach_request_make(gd->client, cbd);
+
+	if (req)
+		return;
+
+error:
+	CALLBACK_WITH_FAILURE(cb, data);
+	g_free(cbd);
+}
+
+static bool status_resp_cb(GIsiClient *client, const void *restrict data,
+			   size_t len, uint16_t object, void *opaque)
+{
+	const unsigned char *msg = data;
+	struct isi_cb_data *cbd = opaque;
+	ofono_gprs_status_cb_t cb = cbd->cb;
+
+	if(!msg) {
+		DBG("ISI client error: %d", g_isi_client_error(client));
+		goto error;
+	}
+
+	if (len < 2 || msg[0] != GPDS_STATUS_RESP)
+		return false;
+
+	/* FIXME: the core still expects reg status, and not a boolean
+	 * attached status here.*/
+
+	/* CALLBACK_WITH_SUCCESS(cb, msg[1] == GPDS_ATTACHED, cbd->data); */
+	CALLBACK_WITH_SUCCESS(cb, 1, cbd->data);
+
+	goto out;
+
+error:
+	CALLBACK_WITH_FAILURE(cb, -1, cbd->data);
+
+out:
+	g_free(cbd);
+	return true;
+}
+
+static void isi_gprs_attached_status(struct ofono_gprs *gprs,
+						ofono_gprs_status_cb_t cb,
+						void *data)
+{
+	struct gprs_data *gd = ofono_gprs_get_data(gprs);
+	struct isi_cb_data *cbd = isi_cb_data_new(NULL, cb, data);
+
+	const unsigned char msg[] = {
+		GPDS_STATUS_REQ,
+	};
+
+	if (!cbd)
+		goto error;
+
+	if (g_isi_request_make(gd->client, msg, sizeof(msg), GPDS_TIMEOUT,
+			       status_resp_cb, cbd))
+	    return;
+
+error:
+	CALLBACK_WITH_FAILURE(cb, -1, data);
+	g_free(cbd);
+
+}
+
+static struct ofono_gprs_driver driver = {
+	.name			= "isimodem",
+	.probe			= isi_gprs_probe,
+	.remove			= isi_gprs_remove,
+	.set_attached		= isi_gprs_set_attached,
+	.attached_status	= isi_gprs_attached_status,
+};
+
+void isi_gprs_init(void)
+{
+	ofono_gprs_driver_register(&driver);
+}
+
+void isi_gprs_exit(void)
+{
+	ofono_gprs_driver_unregister(&driver);
+}