iceramodem: Add special GPRS context driver

3 files changed, 491 insertions, 0 deletions

diff --git a/drivers/iceramodem/gprs-context.c b/drivers/iceramodem/gprs-context.c
new file mode 100644
index 00000000..ba65920f
--- /dev/null
+++ b/drivers/iceramodem/gprs-context.c
@@ -0,0 +1,417 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2011  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 <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <sys/stat.h>
+
+#include <glib.h>
+
+#include <ofono/log.h>
+#include <ofono/modem.h>
+#include <ofono/gprs-context.h>
+
+#include "gatchat.h"
+#include "gatresult.h"
+#include "gattty.h"
+
+#include "iceramodem.h"
+
+#define ICERA_DISCONNECTED	0
+#define ICERA_CONNECTED		1
+#define ICERA_CONNECTING	2
+#define ICERA_FAILED		3
+
+#define AUTH_BUF_LENGTH OFONO_GPRS_MAX_USERNAME_LENGTH + \
+			OFONO_GPRS_MAX_PASSWORD_LENGTH + 128
+
+#define STATIC_IP_NETMASK "255.255.255.255"
+
+static const char *none_prefix[] = { NULL };
+static const char *ipdpaddr_prefix[] = { "%IPDPADDR", NULL };
+
+enum state {
+	STATE_NONE,
+	STATE_ENABLING,
+	STATE_DISABLING,
+};
+
+struct gprs_context_data {
+	GAtChat *chat;
+	unsigned int active_context;
+	char username[OFONO_GPRS_MAX_USERNAME_LENGTH + 1];
+	char password[OFONO_GPRS_MAX_PASSWORD_LENGTH + 1];
+	enum state state;
+	ofono_gprs_context_cb_t cb;
+	void *cb_data;
+};
+
+static void ipdpaddr_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct ofono_gprs_context *gc = user_data;
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+	GAtResultIter iter;
+	int cid;
+	const char *ip = NULL;
+	const char *gateway = NULL;
+	const char *dns1 = NULL;
+	const char *dns2 = NULL;
+	const char *dns[3];
+	struct ofono_modem *modem;
+	const char *interface;
+
+	if (!ok)
+		return;
+
+	g_at_result_iter_init(&iter, result);
+
+	if (g_at_result_iter_next(&iter, "%IPDPADDR:") == FALSE)
+		return;
+
+	g_at_result_iter_next_number(&iter, &cid);
+	g_at_result_iter_next_unquoted_string(&iter, &ip);
+	g_at_result_iter_next_unquoted_string(&iter, &gateway);
+	g_at_result_iter_next_unquoted_string(&iter, &dns1);
+	g_at_result_iter_next_unquoted_string(&iter, &dns2);
+
+	if (ip && ip[0] == ' ')
+		ip += 1;
+
+	if (gateway && gateway[0] == ' ')
+		gateway += 1;
+
+	if (dns1 && dns1[0] == ' ')
+		dns1 += 1;
+
+	if (dns2 && dns2[0] == ' ')
+		dns2 += 1;
+
+	/* Don't bother reporting the same DNS twice */
+	if (g_str_equal(dns1, dns2))
+		dns2 = NULL;
+
+	dns[0] = dns1;
+	dns[1] = dns2;
+	dns[2] = 0;
+
+	modem = ofono_gprs_context_get_modem(gc);
+	interface = ofono_modem_get_string(modem, "NetworkInterface");
+
+	ofono_info("Got the following parameters for context: %d", cid);
+	ofono_info("IP: %s, Gateway: %s", ip, gateway);
+	ofono_info("DNS: %s, %s", dns1, dns2);
+
+	ofono_gprs_context_set_interface(gc, interface);
+	ofono_gprs_context_set_ipv4_address(gc, ip, TRUE);
+	ofono_gprs_context_set_ipv4_netmask(gc, STATIC_IP_NETMASK);
+	ofono_gprs_context_set_ipv4_gateway(gc, gateway);
+	ofono_gprs_context_set_ipv4_dns_servers(gc, dns);
+
+	CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
+
+	gcd->state = STATE_NONE;
+	gcd->cb = NULL;
+	gcd->cb_data = NULL;
+}
+
+static void ipdpact_notifier(GAtResult *result, gpointer user_data)
+{
+	struct ofono_gprs_context *gc = user_data;
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+	GAtResultIter iter;
+	int cid, state;
+
+	if (gcd->active_context == 0)
+		return;
+
+	g_at_result_iter_init(&iter, result);
+
+	if (g_at_result_iter_next(&iter, "%IPDPACT:") == FALSE)
+		return;
+
+	g_at_result_iter_next_number(&iter, &cid);
+	g_at_result_iter_next_number(&iter, &state);
+
+	DBG("cid %d state %d", cid, state);
+
+	if (gcd->active_context != (unsigned int) cid)
+		return;
+
+	switch (state) {
+	case ICERA_DISCONNECTED:
+		if (gcd->state == STATE_DISABLING) {
+			CALLBACK_WITH_SUCCESS(gcd->cb, gcd->cb_data);
+			gcd->state = STATE_NONE;
+			gcd->cb = NULL;
+			gcd->cb_data = NULL;
+		} else
+			ofono_gprs_context_deactivated(gc, gcd->active_context);
+
+		gcd->active_context = 0;
+		break;
+
+	case ICERA_CONNECTED:
+		if (gcd->state == STATE_ENABLING) {
+			char buf[128];
+
+			snprintf(buf, sizeof(buf), "AT%%IPDPADDR=%u",
+							gcd->active_context);
+
+			g_at_chat_send(gcd->chat, buf, ipdpaddr_prefix,
+							ipdpaddr_cb, gc, NULL);
+		}
+		break;
+
+	case ICERA_CONNECTING:
+		break;
+
+	case ICERA_FAILED:
+		if (gcd->state == STATE_ENABLING) {
+			CALLBACK_WITH_FAILURE(gcd->cb, gcd->cb_data);
+			gcd->state = STATE_NONE;
+			gcd->cb = NULL;
+			gcd->cb_data = NULL;
+		}
+
+		gcd->active_context = 0;
+		break;
+	}
+}
+
+static void ipdpact_down_cb(gboolean ok, GAtResult *result,
+						gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_gprs_context_cb_t cb = cbd->cb;
+	struct ofono_gprs_context *gc = cbd->user;
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+	struct ofono_error error;
+
+	DBG("ok %d", ok);
+
+	if (ok) {
+		gcd->state = STATE_DISABLING;
+		gcd->cb = cb;
+		gcd->cb_data = cbd->data;
+		return;
+	}
+
+	decode_at_error(&error, g_at_result_final_response(result));
+	cb(&error, cbd->data);
+}
+
+static void ipdpact_up_cb(gboolean ok, GAtResult *result,
+						gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_gprs_context_cb_t cb = cbd->cb;
+	struct ofono_gprs_context *gc = cbd->user;
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+	struct ofono_error error;
+
+	DBG("ok %d", ok);
+
+	if (ok) {
+		gcd->state = STATE_ENABLING;
+		gcd->cb = cb;
+		gcd->cb_data = cbd->data;
+		return;
+	}
+
+	gcd->active_context = 0;
+
+	decode_at_error(&error, g_at_result_final_response(result));
+	cb(&error, cbd->data);
+}
+
+static void at_cgdcont_cb(gboolean ok, GAtResult *result, gpointer user_data)
+{
+	struct cb_data *cbd = user_data;
+	ofono_gprs_context_cb_t cb = cbd->cb;
+	struct ofono_gprs_context *gc = cbd->user;
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+	struct cb_data *ncbd;
+	char buf[AUTH_BUF_LENGTH];
+
+	DBG("ok %d", ok);
+
+	if (!ok) {
+		struct ofono_error error;
+
+		gcd->active_context = 0;
+
+		decode_at_error(&error, g_at_result_final_response(result));
+		cb(&error, cbd->data);
+		return;
+	}
+
+	if (gcd->username[0] && gcd->password[0])
+		sprintf(buf, "AT%%IPDPCFG=%u,0,1,\"%s\",\"%s\"",
+			gcd->active_context, gcd->username, gcd->password);
+	else
+		sprintf(buf, "AT%%IPDPCFG=%u,0,0,\"\",\"\"",
+						gcd->active_context);
+
+	if (g_at_chat_send(gcd->chat, buf, none_prefix, NULL, NULL, NULL) == 0)
+		goto error;
+
+	ncbd = g_memdup(cbd, sizeof(struct cb_data));
+
+	snprintf(buf, sizeof(buf), "AT%%IPDPACT=%u,1", gcd->active_context);
+
+	if (g_at_chat_send(gcd->chat, buf, none_prefix,
+				ipdpact_up_cb, ncbd, g_free) > 0)
+		return;
+
+	g_free(ncbd);
+
+error:
+	gcd->active_context = 0;
+
+	CALLBACK_WITH_FAILURE(cb, cbd->data);
+}
+
+static void icera_gprs_activate_primary(struct ofono_gprs_context *gc,
+				const struct ofono_gprs_primary_context *ctx,
+				ofono_gprs_context_cb_t cb, void *data)
+{
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+	struct cb_data *cbd = cb_data_new(cb, data);
+	char buf[OFONO_GPRS_MAX_APN_LENGTH + 128];
+	int len = 0;
+
+	DBG("cid %u", ctx->cid);
+
+	gcd->active_context = ctx->cid;
+	memcpy(gcd->username, ctx->username, sizeof(ctx->username));
+	memcpy(gcd->password, ctx->password, sizeof(ctx->password));
+
+	cbd->user = gc;
+
+	switch (ctx->proto) {
+	case OFONO_GPRS_PROTO_IP:
+		len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IP\"",
+								ctx->cid);
+		break;
+	case OFONO_GPRS_PROTO_IPV6:
+		len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IPV6\"",
+								ctx->cid);
+		break;
+	case OFONO_GPRS_PROTO_IPV4V6:
+		len = snprintf(buf, sizeof(buf), "AT+CGDCONT=%u,\"IPV4V6\"",
+								ctx->cid);
+		break;
+	}
+
+	if (ctx->apn)
+		snprintf(buf + len, sizeof(buf) - len - 3,
+					",\"%s\"", ctx->apn);
+
+	if (g_at_chat_send(gcd->chat, buf, none_prefix,
+				at_cgdcont_cb, cbd, g_free) > 0)
+		return;
+
+	g_free(cbd);
+
+	CALLBACK_WITH_FAILURE(cb, data);
+}
+
+static void icera_gprs_deactivate_primary(struct ofono_gprs_context *gc,
+					unsigned int cid,
+					ofono_gprs_context_cb_t cb, void *data)
+{
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+	struct cb_data *cbd = cb_data_new(cb, data);
+	char buf[128];
+
+	DBG("cid %u", cid);
+
+	cbd->user = gc;
+
+	snprintf(buf, sizeof(buf), "AT%%IPDPACT=%u,0", cid);
+
+	if (g_at_chat_send(gcd->chat, buf, none_prefix,
+				ipdpact_down_cb, cbd, g_free) > 0)
+		return;
+
+	g_free(cbd);
+
+	CALLBACK_WITH_FAILURE(cb, data);
+}
+
+static int icera_gprs_context_probe(struct ofono_gprs_context *gc,
+					unsigned int vendor, void *data)
+{
+	GAtChat *chat = data;
+	struct gprs_context_data *gcd;
+
+	DBG("");
+
+	gcd = g_try_new0(struct gprs_context_data, 1);
+	if (gcd == NULL)
+		return -ENOMEM;
+
+	gcd->chat = g_at_chat_clone(chat);
+
+	ofono_gprs_context_set_data(gc, gcd);
+
+	g_at_chat_register(gcd->chat, "%IPDPACT:", ipdpact_notifier,
+							FALSE, gc, NULL);
+
+	return 0;
+}
+
+static void icera_gprs_context_remove(struct ofono_gprs_context *gc)
+{
+	struct gprs_context_data *gcd = ofono_gprs_context_get_data(gc);
+
+	DBG("");
+
+	ofono_gprs_context_set_data(gc, NULL);
+
+	g_at_chat_unref(gcd->chat);
+	g_free(gcd);
+}
+
+static struct ofono_gprs_context_driver driver = {
+	.name			= "iceramodem",
+	.probe			= icera_gprs_context_probe,
+	.remove			= icera_gprs_context_remove,
+	.activate_primary	= icera_gprs_activate_primary,
+	.deactivate_primary	= icera_gprs_deactivate_primary,
+};
+
+void icera_gprs_context_init(void)
+{
+	ofono_gprs_context_driver_register(&driver);
+}
+
+void icera_gprs_context_exit(void)
+{
+	ofono_gprs_context_driver_unregister(&driver);
+}
diff --git a/drivers/iceramodem/iceramodem.c b/drivers/iceramodem/iceramodem.c
new file mode 100644
index 00000000..0e43a4cb
--- /dev/null
+++ b/drivers/iceramodem/iceramodem.c
@@ -0,0 +1,49 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2011  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
+
+#include <glib.h>
+#include <gatchat.h>
+
+#define OFONO_API_SUBJECT_TO_CHANGE
+#include <ofono/plugin.h>
+#include <ofono/types.h>
+
+#include "iceramodem.h"
+
+static int iceramodem_init(void)
+{
+	icera_gprs_context_init();
+
+	return 0;
+}
+
+static void iceramodem_exit(void)
+{
+	icera_gprs_context_exit();
+}
+
+OFONO_PLUGIN_DEFINE(iceramodem, "Icera modem driver", VERSION,
+			OFONO_PLUGIN_PRIORITY_DEFAULT,
+			iceramodem_init, iceramodem_exit)
diff --git a/drivers/iceramodem/iceramodem.h b/drivers/iceramodem/iceramodem.h
new file mode 100644
index 00000000..71f710f4
--- /dev/null
+++ b/drivers/iceramodem/iceramodem.h
@@ -0,0 +1,25 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2011  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
+ *
+ */
+
+#include <drivers/atmodem/atutil.h>
+
+extern void icera_gprs_context_init(void);
+extern void icera_gprs_context_exit(void);