Add initial plugin for Ericsson MBM devices

1 files changed, 165 insertions, 0 deletions

diff --git a/plugins/chat.c b/plugins/chat.c
new file mode 100644
index 00000000..251ba5c8
--- /dev/null
+++ b/plugins/chat.c
@@ -0,0 +1,165 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2008-2009  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 <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <termios.h>
+
+#include <glib.h>
+#include <gatchat.h>
+#include <gatsyntax.h>
+
+#include <ofono/log.h>
+
+#include "chat.h"
+
+struct chat_data {
+	GIOChannel *io;
+	guint timeout;
+
+	chat_callback_t callback;
+	gpointer user_data;
+};
+
+static gboolean connect_callback(GIOChannel *io,
+				GIOCondition cond, gpointer user_data)
+{
+	struct chat_data *data = user_data;
+	GAtChat *chat;
+	GAtSyntax *syntax;
+
+	if (cond & G_IO_NVAL)
+		return FALSE;
+
+	if (cond & (G_IO_HUP | G_IO_ERR))
+		return FALSE;
+
+	syntax = g_at_syntax_new_gsmv1();
+	chat = g_at_chat_new(io, syntax);
+	g_at_syntax_unref(syntax);
+
+	if (!chat)
+		return FALSE;
+
+	data->callback(chat, data->user_data);
+
+	g_at_chat_unref(chat);
+
+	return FALSE;
+}
+
+static gboolean connect_timeout(gpointer user_data)
+{
+	struct chat_data *data = user_data;
+
+	data->timeout = 0;
+
+	g_io_channel_close(data->io);
+
+	data->callback(NULL, data->user_data);
+
+	return FALSE;
+}
+
+static void connect_destroy(gpointer user_data)
+{
+	struct chat_data *data = user_data;
+
+	if (data->timeout > 0) {
+		g_source_remove(data->timeout);
+		data->timeout = 0;
+	}
+
+	data->io = NULL;
+}
+
+int chat_connect(const char *device, chat_callback_t callback,
+						gpointer user_data)
+{
+	struct chat_data *data;
+	struct termios newtio;
+	int fd;
+
+	data = g_try_new0(struct chat_data, 1);
+	if (!data)
+		return -ENOMEM;
+
+	fd = open(device, O_RDWR | O_NOCTTY);
+	if (fd < 0) {
+		ofono_error("Can't open TTY %s: %s (%d)",
+					device, strerror(errno), errno);
+		g_free(data);
+		return -EIO;
+	}
+
+	newtio.c_cflag = B115200 | CRTSCTS | CLOCAL | CREAD;
+	newtio.c_iflag = IGNPAR;
+	newtio.c_oflag = 0;
+	newtio.c_lflag = 0;
+
+	newtio.c_cc[VTIME] = 1;
+	newtio.c_cc[VMIN] = 5;
+
+	tcflush(fd, TCIFLUSH);
+
+	if (tcsetattr(fd, TCSANOW, &newtio) < 0) {
+		ofono_error("Can't change TTY termios: %s (%d)",
+						strerror(errno), errno);
+		close(fd);
+		g_free(data);
+		return -EIO;
+	}
+
+	data->io = g_io_channel_unix_new(fd);
+
+	g_io_channel_set_close_on_unref(data->io, TRUE);
+
+	if (g_io_channel_set_flags(data->io, G_IO_FLAG_NONBLOCK,
+						NULL) != G_IO_STATUS_NORMAL) {
+		g_io_channel_unref(data->io);
+		g_free(data);
+		return -EIO;
+	}
+
+	data->callback = callback;
+	data->user_data = user_data;
+
+	data->timeout = g_timeout_add_seconds(10, connect_timeout, data);
+
+	g_io_add_watch_full(data->io, G_PRIORITY_DEFAULT,
+				G_IO_OUT | G_IO_ERR | G_IO_HUP | G_IO_NVAL,
+				connect_callback, data, connect_destroy);
+
+	g_io_channel_unref(data->io);
+
+	return 0;
+}
+
+void chat_disconnect(GAtChat *chat)
+{
+}