| /* |
| * |
| * BlueZ - Bluetooth protocol stack for Linux |
| * |
| * Copyright (C) 2004-2007 Marcel Holtmann <marcel@holtmann.org> |
| * |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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 <stdlib.h> |
| #include <signal.h> |
| #include <string.h> |
| #include <getopt.h> |
| #include <sys/ioctl.h> |
| #include <sys/socket.h> |
| #include <assert.h> |
| |
| #include <bluetooth/bluetooth.h> |
| #include <bluetooth/hci.h> |
| #include <bluetooth/hci_lib.h> |
| #include <bluetooth/sco.h> |
| #include <bluetooth/rfcomm.h> |
| #include <bluetooth/sdp.h> |
| #include <bluetooth/sdp_lib.h> |
| |
| #include <glib.h> |
| |
| #include <dbus/dbus.h> |
| |
| #include "dbus.h" |
| #include "dbus-helper.h" |
| #include "logging.h" |
| #include "manager.h" |
| #include "headset.h" |
| |
| #define DEFAULT_HS_AG_CHANNEL 12 |
| |
| #define RING_INTERVAL 3000 |
| |
| typedef enum { |
| HEADSET_EVENT_KEYPRESS, |
| HEADSET_EVENT_GAIN, |
| HEADSET_EVENT_UNKNOWN, |
| HEADSET_EVENT_INVALID |
| } headset_event_t; |
| |
| typedef enum { |
| HEADSET_STATE_UNAUTHORIZED, |
| HEADSET_STATE_DISCONNECTED, |
| HEADSET_STATE_CONNECT_IN_PROGRESS, |
| HEADSET_STATE_CONNECTED, |
| HEADSET_STATE_PLAY_IN_PROGRESS, |
| HEADSET_STATE_PLAYING, |
| } headset_state_t; |
| |
| struct pending_connect { |
| int ch; |
| DBusMessage *msg; |
| GIOChannel *io; |
| }; |
| |
| struct headset { |
| char object_path[128]; |
| bdaddr_t bda; |
| |
| GIOChannel *rfcomm; |
| GIOChannel *sco; |
| |
| char *input; |
| GIOChannel *audio_input; |
| char *output; |
| GIOChannel *audio_output; |
| |
| guint ring_timer; |
| |
| char buf[BUF_SIZE]; |
| int data_start; |
| int data_length; |
| |
| headset_state_t state; |
| struct pending_connect *pending_connect; |
| }; |
| |
| static DBusHandlerResult hs_disconnect(DBusConnection *conn, DBusMessage *msg, |
| void *data); |
| |
| static GIOChannel *hs_server = NULL; |
| |
| static uint32_t hs_record_id = 0; |
| |
| static GSList *headsets = NULL; |
| |
| static DBusConnection *connection = NULL; |
| |
| static void pending_connect_free(struct pending_connect *c) |
| { |
| if (c->io) |
| g_io_channel_unref(c->io); |
| if (c->msg) |
| dbus_message_unref(c->msg); |
| g_free(c); |
| } |
| |
| static DBusHandlerResult error_reply(DBusConnection *conn, DBusMessage *msg, |
| const char *name, const char *descr) |
| { |
| DBusMessage *derr; |
| |
| if (!conn || !msg) |
| return DBUS_HANDLER_RESULT_HANDLED; |
| |
| derr = dbus_message_new_error(msg, name, descr); |
| if (!derr) { |
| error("Unable to allocate new error return"); |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| } |
| |
| return send_message_and_unref(conn, derr); |
| } |
| |
| static DBusHandlerResult err_already_connected(DBusConnection *conn, DBusMessage *msg) |
| { |
| return error_reply(conn, msg, "org.bluez.audio.Error.AlreadyConnected", |
| "Already connected to a device"); |
| } |
| |
| static DBusHandlerResult err_not_connected(DBusConnection *conn, DBusMessage *msg) |
| { |
| return error_reply(conn, msg, "org.bluez.audio.Error.NotConnected", |
| "Not connected to any device"); |
| } |
| |
| static DBusHandlerResult err_not_supported(DBusConnection *conn, DBusMessage *msg) |
| { |
| return error_reply(conn, msg, "org.bluez.audio.Error.NotSupported", |
| "The service is not supported by the remote device"); |
| } |
| |
| static DBusHandlerResult err_connect_failed(DBusConnection *conn, DBusMessage *msg, int err) |
| { |
| return error_reply(conn, msg, "org.bluez.audio.Error.ConnectFailed", |
| strerror(err)); |
| } |
| |
| static DBusHandlerResult err_failed(DBusConnection *conn, DBusMessage *msg) |
| { |
| return error_reply(conn, msg, "org.bluez.audio.Error.Failed", "Failed"); |
| } |
| |
| static gint headset_bda_cmp(gconstpointer headset, gconstpointer bda) |
| { |
| const struct headset *hs = headset; |
| |
| return bacmp(&hs->bda, bda); |
| } |
| |
| static gboolean headset_close_output(struct headset *hs) |
| { |
| assert(hs != NULL); |
| |
| if (hs->audio_output == NULL) |
| return FALSE; |
| |
| g_io_channel_close(hs->audio_output); |
| g_io_channel_unref(hs->audio_output); |
| hs->audio_output = NULL; |
| |
| return TRUE; |
| } |
| |
| /* FIXME: in the furture, that would be great to provide user space alsa driver (not plugin) */ |
| static gboolean headset_open_output(struct headset *hs, const char *output) |
| { |
| int out; |
| |
| assert(hs != NULL && output != NULL); |
| |
| headset_close_output(hs); |
| if (output && hs->output) { |
| g_free(hs->output); |
| hs->output = g_strdup(output); |
| } |
| |
| assert(hs->output); |
| |
| out = open(hs->output, O_WRONLY | O_SYNC | O_CREAT); |
| |
| if (out < 0) { |
| error("open(%s): %s %d", hs->output, strerror(errno), errno); |
| return FALSE; |
| } |
| |
| hs->audio_output = g_io_channel_unix_new(out); |
| if (!hs->audio_output) { |
| error("Allocating new channel for audio output!"); |
| return FALSE; |
| } |
| |
| g_io_channel_set_close_on_unref(hs->audio_output, TRUE); |
| |
| return TRUE; |
| } |
| |
| static gboolean headset_close_input(struct headset *hs) |
| { |
| assert(hs != NULL); |
| |
| if (hs->audio_input == NULL) |
| return FALSE; |
| |
| g_io_channel_close(hs->audio_input); |
| g_io_channel_unref(hs->audio_input); |
| hs->audio_input = NULL; |
| |
| return TRUE; |
| } |
| |
| #if 0 |
| static gboolean headset_open_input(struct headset *hs, const char *input) |
| { |
| int in; |
| |
| assert(hs != NULL); |
| |
| /* we keep the input name, and NULL can be use to reopen */ |
| if (input && hs->input) { |
| g_free(hs->input); |
| hs->input = g_strdup(input); |
| } |
| |
| assert(hs->input); |
| |
| in = open(hs->input, O_RDONLY | O_NOCTTY); |
| |
| if (in < 0) { |
| error("open(%s): %s %d", hs->input, strerror(errno), errno); |
| return FALSE; |
| } |
| |
| hs->audio_input = g_io_channel_unix_new(in); |
| if (!hs->audio_input) { |
| error("Allocating new channel for audio input!"); |
| return FALSE; |
| } |
| |
| return TRUE; |
| } |
| #endif |
| |
| static void hs_signal_gain_setting(struct headset *hs, const char *buf) |
| { |
| const char *name; |
| dbus_uint16_t gain; |
| |
| if (strlen(buf) < 6) { |
| error("Too short string for Gain setting"); |
| return; |
| } |
| |
| switch (buf[3]) { |
| case 'S': |
| name = "SpeakerGainChanged"; |
| break; |
| case 'M': |
| name = "MicrophoneGainChanged"; |
| break; |
| default: |
| error("Unknown gain setting"); |
| return; |
| } |
| |
| gain = (dbus_uint16_t) strtol(&buf[5], NULL, 10); |
| |
| dbus_connection_emit_signal(connection, hs->object_path, |
| AUDIO_HEADSET_INTERFACE, name, |
| DBUS_TYPE_UINT16, &gain, |
| DBUS_TYPE_INVALID); |
| } |
| |
| static headset_event_t parse_headset_event(const char *buf, char *rsp, int rsp_len) |
| { |
| printf("Received: %s\n", buf); |
| |
| /* Return an error if this is not a proper AT command */ |
| if (strncmp(buf, "AT", 2)) { |
| snprintf(rsp, rsp_len, "\r\nERROR\r\n"); |
| return HEADSET_EVENT_INVALID; |
| } |
| |
| buf += 2; |
| |
| snprintf(rsp, rsp_len, "\r\nOK\r\n"); |
| |
| if (!strncmp(buf, "+CKPD", 5)) |
| return HEADSET_EVENT_KEYPRESS; |
| else if (!strncmp(buf, "+VG", 3)) |
| return HEADSET_EVENT_GAIN; |
| else |
| return HEADSET_EVENT_UNKNOWN; |
| } |
| |
| static void close_sco(struct headset *hs) |
| { |
| g_io_channel_close(hs->sco); |
| g_io_channel_unref(hs->sco); |
| hs->sco = NULL; |
| if (hs->audio_output) { |
| g_io_channel_unref(hs->audio_output); |
| hs->audio_output = NULL; |
| } |
| if (hs->audio_input) |
| headset_close_input(hs); |
| assert(hs->rfcomm); |
| hs->state = HEADSET_STATE_CONNECTED; |
| dbus_connection_emit_signal(connection, hs->object_path, |
| AUDIO_HEADSET_INTERFACE, "Stopped", |
| DBUS_TYPE_INVALID); |
| } |
| |
| |
| static gboolean rfcomm_io_cb(GIOChannel *chan, GIOCondition cond, |
| struct headset *hs) |
| { |
| unsigned char buf[BUF_SIZE]; |
| char *cr, rsp[BUF_SIZE]; |
| gsize bytes_read = 0; |
| gsize free_space, count, bytes_written, total_bytes_written; |
| GIOError err; |
| off_t cmd_len; |
| |
| if (cond & G_IO_NVAL) |
| return FALSE; |
| |
| if (cond & (G_IO_ERR | G_IO_HUP)) |
| goto failed; |
| |
| err = g_io_channel_read(chan, (gchar *) buf, sizeof(buf) - 1, &bytes_read); |
| if (err != G_IO_ERROR_NONE) |
| goto failed; |
| |
| free_space = sizeof(hs->buf) - hs->data_start - hs->data_length - 1; |
| |
| if (free_space < bytes_read) { |
| /* Very likely that the HS is sending us garbage so |
| * just ignore the data and disconnect */ |
| error("Too much data to fit incomming buffer"); |
| goto failed; |
| } |
| |
| memcpy(&hs->buf[hs->data_start], buf, bytes_read); |
| hs->data_length += bytes_read; |
| |
| /* Make sure the data is null terminated so we can use string |
| * functions */ |
| hs->buf[hs->data_start + hs->data_length] = '\0'; |
| |
| cr = strchr(&hs->buf[hs->data_start], '\r'); |
| if (!cr) |
| return TRUE; |
| |
| cmd_len = 1 + (off_t) cr - (off_t) &hs->buf[hs->data_start]; |
| *cr = '\0'; |
| |
| memset(rsp, 0, sizeof(rsp)); |
| |
| switch (parse_headset_event(&hs->buf[hs->data_start], rsp, sizeof(rsp))) { |
| case HEADSET_EVENT_GAIN: |
| hs_signal_gain_setting(hs, &hs->buf[hs->data_start] + 2); |
| break; |
| |
| case HEADSET_EVENT_KEYPRESS: |
| if (hs->ring_timer) { |
| g_source_remove(hs->ring_timer); |
| hs->ring_timer = 0; |
| } |
| |
| dbus_connection_emit_signal(connection, hs->object_path, |
| AUDIO_HEADSET_INTERFACE, |
| "AnswerRequested", |
| DBUS_TYPE_INVALID); |
| break; |
| |
| case HEADSET_EVENT_INVALID: |
| case HEADSET_EVENT_UNKNOWN: |
| default: |
| debug("Unknown headset event"); |
| break; |
| } |
| |
| count = strlen(rsp); |
| total_bytes_written = bytes_written = 0; |
| err = G_IO_ERROR_NONE; |
| |
| while (err == G_IO_ERROR_NONE && total_bytes_written < count) { |
| /* FIXME: make it async */ |
| err = g_io_channel_write(hs->rfcomm, rsp + total_bytes_written, |
| count - total_bytes_written, &bytes_written); |
| if (err != G_IO_ERROR_NONE) |
| error("Error while writting to the audio output channel"); |
| total_bytes_written += bytes_written; |
| }; |
| |
| hs->data_start += cmd_len; |
| hs->data_length -= cmd_len; |
| |
| if (!hs->data_length) |
| hs->data_start = 0; |
| |
| return TRUE; |
| |
| failed: |
| if (hs->sco) |
| close_sco(hs); |
| hs_disconnect(NULL, NULL, hs); |
| |
| return FALSE; |
| } |
| |
| static void send_cancel_auth(struct headset *hs) |
| { |
| DBusMessage *cancel; |
| char addr[18], *address = addr; |
| const char *uuid = ""; |
| |
| cancel = dbus_message_new_method_call("org.bluez", "/org/bluez", |
| "org.bluez.Database", |
| "CancelAuthorizationRequest"); |
| if (!cancel) { |
| error("Unable to allocate new method call"); |
| return; |
| } |
| |
| ba2str(&hs->bda, addr); |
| |
| dbus_message_append_args(cancel, DBUS_TYPE_STRING, &address, |
| DBUS_TYPE_STRING, &uuid, DBUS_TYPE_INVALID); |
| |
| send_message_and_unref(connection, cancel); |
| } |
| |
| static void auth_callback(DBusPendingCall *call, void *data) |
| { |
| struct headset *hs = data; |
| DBusMessage *reply = dbus_pending_call_steal_reply(call); |
| DBusError err; |
| |
| dbus_error_init(&err); |
| if (dbus_set_error_from_message(&err, reply)) { |
| error("Access denied: %s", err.message); |
| if (dbus_error_has_name(&err, DBUS_ERROR_NO_REPLY)) { |
| debug("Canceling authorization request"); |
| send_cancel_auth(hs); |
| } |
| dbus_error_free(&err); |
| g_io_channel_close(hs->rfcomm); |
| g_io_channel_unref(hs->rfcomm); |
| hs->rfcomm = NULL; |
| } else { |
| char hs_address[18]; |
| |
| g_io_add_watch(hs->rfcomm, G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL, |
| (GIOFunc) rfcomm_io_cb, hs); |
| |
| ba2str(&hs->bda, hs_address); |
| |
| debug("Accepted connection from %s for %s", hs_address, hs->object_path); |
| |
| hs->state = HEADSET_STATE_CONNECTED; |
| dbus_connection_emit_signal(connection, hs->object_path, |
| AUDIO_HEADSET_INTERFACE, |
| "Connected", |
| DBUS_TYPE_INVALID); |
| } |
| |
| dbus_message_unref(reply); |
| } |
| |
| static gboolean audio_input_to_sco_cb(GIOChannel *chan, GIOCondition cond, gpointer data) |
| { |
| struct headset *hs = data; |
| char buf[1024]; |
| gsize bytes_read; |
| gsize bytes_written, total_bytes_written; |
| GIOError err; |
| |
| if (cond & G_IO_NVAL) |
| return FALSE; |
| |
| if (cond & (G_IO_HUP | G_IO_ERR)) |
| goto failed; |
| |
| err = g_io_channel_read(chan, buf, sizeof(buf), &bytes_read); |
| if (err != G_IO_ERROR_NONE) |
| goto failed; |
| |
| total_bytes_written = bytes_written = 0; |
| err = G_IO_ERROR_NONE; |
| |
| while (err == G_IO_ERROR_NONE && total_bytes_written < bytes_read) { |
| /* FIXME: make it async */ |
| err = g_io_channel_write(hs->sco, buf + total_bytes_written, |
| bytes_read - total_bytes_written, &bytes_written); |
| if (err != G_IO_ERROR_NONE) |
| error("Error while writting to the audio output channel"); |
| total_bytes_written += bytes_written; |
| }; |
| |
| return TRUE; |
| |
| failed: |
| headset_close_input(hs); |
| return FALSE; |
| } |
| |
| static gboolean sco_input_to_audio_output_cb(GIOChannel *chan, GIOCondition cond, gpointer data) |
| { |
| struct headset *hs = data; |
| char buf[1024]; |
| gsize bytes_read; |
| gsize bytes_written, total_bytes_written; |
| GIOError err; |
| |
| if (cond & G_IO_NVAL) |
| return FALSE; |
| |
| if (cond & (G_IO_HUP | G_IO_ERR)) |
| goto disconn; |
| |
| if (!hs->audio_output && hs->output) |
| headset_open_output(hs, hs->output); |
| |
| err = g_io_channel_read(chan, buf, sizeof(buf), &bytes_read); |
| |
| if (err != G_IO_ERROR_NONE) |
| goto disconn; |
| |
| if (!hs->audio_output) { |
| error("got %d bytes audio but have nowhere to write it", bytes_read); |
| return TRUE; |
| } |
| |
| total_bytes_written = bytes_written = 0; |
| err = G_IO_ERROR_NONE; |
| |
| while (err == G_IO_ERROR_NONE && total_bytes_written < bytes_read) { |
| /* FIXME: make it async */ |
| err = g_io_channel_write(hs->audio_output, buf + total_bytes_written, |
| bytes_read - total_bytes_written, &bytes_written); |
| if (err != G_IO_ERROR_NONE) { |
| error("Error while writting to the audio output channel"); |
| } |
| total_bytes_written += bytes_written; |
| }; |
| |
| return TRUE; |
| |
| disconn: |
| error("Audio connection got disconnected"); |
| if (hs->sco) |
| close_sco(hs); |
| return FALSE; |
| } |
| |
| static gboolean sco_connect_cb(GIOChannel *chan, GIOCondition cond, |
| struct headset *hs) |
| { |
| int ret, sk, err, flags; |
| socklen_t len; |
| |
| if (cond & G_IO_NVAL) |
| return FALSE; |
| |
| assert(hs != NULL && hs->pending_connect != NULL && |
| hs->sco == NULL && hs->state == HEADSET_STATE_PLAY_IN_PROGRESS); |
| |
| sk = g_io_channel_unix_get_fd(chan); |
| |
| len = sizeof(ret); |
| if (getsockopt(sk, SOL_SOCKET, SO_ERROR, &ret, &len) < 0) { |
| err = errno; |
| error("getsockopt(SO_ERROR): %s (%d)", strerror(err), err); |
| goto failed; |
| } |
| |
| if (ret != 0) { |
| err = ret; |
| error("connect(): %s (%d)", strerror(ret), ret); |
| goto failed; |
| } |
| |
| debug("SCO socket opened for headset %s", hs->object_path); |
| |
| hs->sco = chan; |
| hs->pending_connect->io = NULL; |
| |
| flags = G_IO_ERR | G_IO_HUP | G_IO_NVAL; |
| if (hs->audio_output) |
| flags |= G_IO_IN; |
| |
| g_io_add_watch(hs->sco, flags, sco_input_to_audio_output_cb, hs); |
| |
| if (hs->pending_connect->msg) { |
| DBusMessage *reply; |
| |
| reply = dbus_message_new_method_return(hs->pending_connect->msg); |
| if (reply) |
| send_message_and_unref(connection, reply); |
| } |
| |
| /* FIXME: do we allow both? pull & push model at the same time on sco && audio_input? */ |
| if (hs->audio_input) |
| g_io_add_watch(hs->audio_input, G_IO_IN, audio_input_to_sco_cb, hs); |
| |
| pending_connect_free(hs->pending_connect); |
| hs->pending_connect = NULL; |
| |
| hs->state = HEADSET_STATE_PLAYING; |
| dbus_connection_emit_signal(connection, hs->object_path, |
| AUDIO_HEADSET_INTERFACE, |
| "Playing", DBUS_TYPE_INVALID); |
| |
| return FALSE; |
| |
| failed: |
| if (hs->pending_connect) { |
| err_connect_failed(connection, hs->pending_connect->msg, err); |
| if (hs->pending_connect->io) |
| g_io_channel_close(hs->pending_connect->io); |
| pending_connect_free(hs->pending_connect); |
| hs->pending_connect = NULL; |
| } |
| |
| assert(hs->rfcomm); |
| hs->state = HEADSET_STATE_CONNECTED; |
| |
| return FALSE; |
| } |
| |
| static gboolean rfcomm_connect_cb(GIOChannel *chan, GIOCondition cond, struct headset *hs) |
| { |
| char hs_address[18]; |
| int sk, ret, err; |
| socklen_t len; |
| |
| if (cond & G_IO_NVAL) |
| return FALSE; |
| |
| assert(hs != NULL && hs->pending_connect != NULL && |
| hs->rfcomm == NULL && |
| hs->state == HEADSET_STATE_CONNECT_IN_PROGRESS); |
| |
| sk = g_io_channel_unix_get_fd(chan); |
| |
| len = sizeof(ret); |
| if (getsockopt(sk, SOL_SOCKET, SO_ERROR, &ret, &len) < 0) { |
| err = errno; |
| error("getsockopt(SO_ERROR): %s (%d)", strerror(err), err); |
| goto failed; |
| } |
| |
| if (ret != 0) { |
| err = ret; |
| error("connect(): %s (%d)", strerror(ret), ret); |
| goto failed; |
| } |
| |
| ba2str(&hs->bda, hs_address); |
| hs->rfcomm = chan; |
| hs->pending_connect->io = NULL; |
| |
| hs->state = HEADSET_STATE_CONNECTED; |
| dbus_connection_emit_signal(connection, hs->object_path, |
| AUDIO_HEADSET_INTERFACE, |
| "Connected", DBUS_TYPE_INVALID); |
| |
| debug("Connected to %s", hs_address); |
| |
| g_io_add_watch(chan, G_IO_IN | G_IO_ERR | G_IO_HUP| G_IO_NVAL, |
| (GIOFunc) rfcomm_io_cb, hs); |
| |
| if (hs->pending_connect) { |
| if (hs->pending_connect->msg) { |
| DBusMessage *reply; |
| |
| reply = dbus_message_new_method_return(hs->pending_connect->msg); |
| if (reply) |
| send_message_and_unref(connection, reply); |
| } |
| |
| pending_connect_free(hs->pending_connect); |
| hs->pending_connect = NULL; |
| } |
| |
| return FALSE; |
| |
| failed: |
| if (hs->pending_connect) { |
| err_connect_failed(connection, hs->pending_connect->msg, err); |
| if (hs->pending_connect->io) |
| g_io_channel_close(hs->pending_connect->io); |
| pending_connect_free(hs->pending_connect); |
| hs->pending_connect = NULL; |
| } |
| |
| hs->state = HEADSET_STATE_DISCONNECTED; |
| |
| return FALSE; |
| } |
| |
| static int rfcomm_connect(struct headset *hs, int *err) |
| { |
| struct sockaddr_rc addr; |
| char address[18]; |
| int sk; |
| |
| assert(hs != NULL && hs->pending_connect != NULL && |
| hs->state == HEADSET_STATE_CONNECT_IN_PROGRESS); |
| |
| ba2str(&hs->bda, address); |
| |
| debug("Connecting to %s channel %d", address, hs->pending_connect->ch); |
| |
| sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM); |
| if (sk < 0) { |
| if (err) |
| *err = errno; |
| error("socket: %s (%d)", strerror(errno), errno); |
| goto failed; |
| } |
| |
| memset(&addr, 0, sizeof(addr)); |
| addr.rc_family = AF_BLUETOOTH; |
| bacpy(&addr.rc_bdaddr, BDADDR_ANY); |
| addr.rc_channel = 0; |
| |
| if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) { |
| if (err) |
| *err = errno; |
| error("bind: %s (%d)", strerror(errno), errno); |
| goto failed; |
| } |
| |
| if (set_nonblocking(sk) < 0) { |
| *err = errno; |
| goto failed; |
| } |
| |
| memset(&addr, 0, sizeof(addr)); |
| addr.rc_family = AF_BLUETOOTH; |
| bacpy(&addr.rc_bdaddr, &hs->bda); |
| addr.rc_channel = hs->pending_connect->ch; |
| |
| hs->pending_connect->io = g_io_channel_unix_new(sk); |
| if (!hs->pending_connect->io) { |
| error("channel_unix_new failed in rfcomm connect"); |
| goto failed; |
| } |
| |
| if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) { |
| if (!(errno == EAGAIN || errno == EINPROGRESS)) { |
| if (err) |
| *err = errno; |
| error("connect() failed: %s (%d)", strerror(errno), errno); |
| goto failed; |
| } |
| |
| debug("Connect in progress"); |
| |
| g_io_add_watch(hs->pending_connect->io, G_IO_OUT, (GIOFunc) rfcomm_connect_cb, hs); |
| } else { |
| debug("Connect succeeded with first try"); |
| rfcomm_connect_cb(hs->pending_connect->io, G_IO_OUT, hs); |
| } |
| |
| return 0; |
| |
| failed: |
| if (!hs->pending_connect->io && sk >= 0) |
| close(sk); |
| |
| return -1; |
| } |
| |
| static int create_ag_record(sdp_buf_t *buf, uint8_t ch) |
| { |
| sdp_list_t *svclass_id, *pfseq, *apseq, *root; |
| uuid_t root_uuid, svclass_uuid, ga_svclass_uuid, l2cap_uuid, rfcomm_uuid; |
| sdp_profile_desc_t profile; |
| sdp_list_t *aproto, *proto[2]; |
| sdp_record_t record; |
| sdp_data_t *channel; |
| int ret; |
| |
| memset(&record, 0, sizeof(sdp_record_t)); |
| |
| sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP); |
| root = sdp_list_append(0, &root_uuid); |
| sdp_set_browse_groups(&record, root); |
| |
| sdp_uuid16_create(&svclass_uuid, HEADSET_AGW_SVCLASS_ID); |
| svclass_id = sdp_list_append(0, &svclass_uuid); |
| sdp_uuid16_create(&ga_svclass_uuid, GENERIC_AUDIO_SVCLASS_ID); |
| svclass_id = sdp_list_append(svclass_id, &ga_svclass_uuid); |
| sdp_set_service_classes(&record, svclass_id); |
| |
| sdp_uuid16_create(&profile.uuid, HEADSET_PROFILE_ID); |
| profile.version = 0x0100; |
| pfseq = sdp_list_append(0, &profile); |
| sdp_set_profile_descs(&record, pfseq); |
| |
| sdp_uuid16_create(&l2cap_uuid, L2CAP_UUID); |
| proto[0] = sdp_list_append(0, &l2cap_uuid); |
| apseq = sdp_list_append(0, proto[0]); |
| |
| sdp_uuid16_create(&rfcomm_uuid, RFCOMM_UUID); |
| proto[1] = sdp_list_append(0, &rfcomm_uuid); |
| channel = sdp_data_alloc(SDP_UINT8, &ch); |
| proto[1] = sdp_list_append(proto[1], channel); |
| apseq = sdp_list_append(apseq, proto[1]); |
| |
| aproto = sdp_list_append(0, apseq); |
| sdp_set_access_protos(&record, aproto); |
| |
| sdp_set_info_attr(&record, "Headset", 0, 0); |
| |
| if (sdp_gen_record_pdu(&record, buf) < 0) |
| ret = -1; |
| else |
| ret = 0; |
| |
| sdp_data_free(channel); |
| sdp_list_free(proto[0], 0); |
| sdp_list_free(proto[1], 0); |
| sdp_list_free(apseq, 0); |
| sdp_list_free(pfseq, 0); |
| sdp_list_free(aproto, 0); |
| sdp_list_free(root, 0); |
| sdp_list_free(svclass_id, 0); |
| sdp_list_free(record.attrlist, (sdp_free_func_t) sdp_data_free); |
| sdp_list_free(record.pattern, free); |
| |
| return ret; |
| } |
| |
| static uint32_t headset_add_ag_record(uint8_t channel) |
| { |
| DBusMessage *msg, *reply; |
| DBusError derr; |
| dbus_uint32_t rec_id; |
| sdp_buf_t buf; |
| |
| msg = dbus_message_new_method_call("org.bluez", "/org/bluez", |
| "org.bluez.Database", "AddServiceRecord"); |
| if (!msg) { |
| error("Can't allocate new method call"); |
| return 0; |
| } |
| |
| if (create_ag_record(&buf, channel) < 0) { |
| error("Unable to allocate new service record"); |
| dbus_message_unref(msg); |
| return 0; |
| } |
| |
| dbus_message_append_args(msg, DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, |
| &buf.data, buf.data_size, DBUS_TYPE_INVALID); |
| |
| dbus_error_init(&derr); |
| reply = dbus_connection_send_with_reply_and_block(connection, msg, |
| -1, &derr); |
| |
| free(buf.data); |
| dbus_message_unref(msg); |
| |
| if (dbus_error_is_set(&derr) || dbus_set_error_from_message(&derr, reply)) { |
| error("Adding service record failed: %s", derr.message); |
| dbus_error_free(&derr); |
| return 0; |
| } |
| |
| dbus_message_get_args(reply, &derr, DBUS_TYPE_UINT32, &rec_id, |
| DBUS_TYPE_INVALID); |
| |
| if (dbus_error_is_set(&derr)) { |
| error("Invalid arguments to AddServiceRecord reply: %s", derr.message); |
| dbus_message_unref(reply); |
| dbus_error_free(&derr); |
| return 0; |
| } |
| |
| dbus_message_unref(reply); |
| |
| debug("add_ag_record: got record id 0x%x", rec_id); |
| |
| return rec_id; |
| } |
| |
| int headset_remove_ag_record(uint32_t rec_id) |
| { |
| DBusMessage *msg, *reply; |
| DBusError derr; |
| |
| msg = dbus_message_new_method_call("org.bluez", "/org/bluez", |
| "org.bluez.Database", "RemoveServiceRecord"); |
| if (!msg) { |
| error("Can't allocate new method call"); |
| return 0; |
| } |
| |
| dbus_message_append_args(msg, DBUS_TYPE_UINT32, &rec_id, |
| DBUS_TYPE_INVALID); |
| |
| dbus_error_init(&derr); |
| reply = dbus_connection_send_with_reply_and_block(connection, msg, |
| -1, &derr); |
| |
| dbus_message_unref(msg); |
| |
| if (dbus_error_is_set(&derr)) { |
| error("Removing service record 0x%x failed: %s", rec_id, derr.message); |
| dbus_error_free(&derr); |
| return 0; |
| } |
| |
| dbus_message_unref(reply); |
| |
| return 0; |
| } |
| |
| static void finish_sdp_transaction(bdaddr_t *dba) |
| { |
| char address[18], *addr_ptr = address; |
| DBusMessage *msg, *reply; |
| DBusError derr; |
| |
| ba2str(dba, address); |
| |
| msg = dbus_message_new_method_call("org.bluez", "/org/bluez/hci0", |
| "org.bluez.Adapter", |
| "FinishRemoteServiceTransaction"); |
| if (!msg) { |
| error("Unable to allocate new method call"); |
| return; |
| } |
| |
| dbus_message_append_args(msg, DBUS_TYPE_STRING, &addr_ptr, |
| DBUS_TYPE_INVALID); |
| |
| dbus_error_init(&derr); |
| reply = dbus_connection_send_with_reply_and_block(connection, msg, |
| -1, &derr); |
| |
| dbus_message_unref(msg); |
| |
| if (dbus_error_is_set(&derr) || dbus_set_error_from_message(&derr, reply)) { |
| error("FinishRemoteServiceTransaction(%s) failed: %s", |
| address, derr.message); |
| dbus_error_free(&derr); |
| return; |
| } |
| |
| dbus_message_unref(reply); |
| } |
| |
| static void get_record_reply(DBusPendingCall *call, void *data) |
| { |
| DBusMessage *reply; |
| DBusError derr; |
| uint8_t *array; |
| int array_len, record_len, err = EIO; |
| sdp_record_t *record = NULL; |
| sdp_list_t *protos, *classes = NULL; |
| uuid_t uuid; |
| struct headset *hs = data; |
| struct pending_connect *c; |
| |
| assert(hs != NULL && hs->pending_connect && !hs->rfcomm); |
| c = hs->pending_connect; |
| |
| reply = dbus_pending_call_steal_reply(call); |
| |
| dbus_error_init(&derr); |
| if (dbus_set_error_from_message(&derr, reply)) { |
| error("GetRemoteServiceRecord failed: %s", derr.message); |
| dbus_error_free(&derr); |
| goto failed_not_supported; |
| } |
| |
| if (!dbus_message_get_args(reply, NULL, |
| DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &array, &array_len, |
| DBUS_TYPE_INVALID)) { |
| error("Unable to get args from GetRecordReply"); |
| goto failed_not_supported; |
| } |
| |
| if (!array) { |
| error("Unable to get handle array from reply"); |
| goto failed_not_supported; |
| } |
| |
| record = sdp_extract_pdu(array, &record_len); |
| if (!record) { |
| error("Unable to extract service record from reply"); |
| goto failed_not_supported; |
| } |
| |
| if (record_len != array_len) |
| debug("warning: array len (%d) != record len (%d)", |
| array_len, record_len); |
| |
| if (sdp_get_service_classes(record, &classes) < 0) { |
| error("Unable to get service classes from record"); |
| goto failed_not_supported; |
| } |
| |
| memcpy(&uuid, classes->data, sizeof(uuid)); |
| |
| if (!sdp_uuid128_to_uuid(&uuid)) { |
| error("Not a 16 bit UUID"); |
| goto failed_not_supported; |
| } |
| |
| if ((uuid.type == SDP_UUID32 && uuid.value.uuid32 != HEADSET_SVCLASS_ID) || |
| (uuid.type == SDP_UUID16 && uuid.value.uuid16 != HEADSET_SVCLASS_ID)) { |
| error("Service classes did not contain the expected UUID"); |
| goto failed_not_supported; |
| } |
| |
| if (!sdp_get_access_protos(record, &protos)) { |
| c->ch = sdp_get_proto_port(protos, RFCOMM_UUID); |
| sdp_list_foreach(protos, (sdp_list_func_t) sdp_list_free, NULL); |
| sdp_list_free(protos, NULL); |
| protos = NULL; |
| } |
| |
| if (c->ch == -1) { |
| error("Unable to extract RFCOMM channel from service record"); |
| goto failed_not_supported; |
| } |
| |
| if (rfcomm_connect(hs, &err) < 0) { |
| error("Unable to connect"); |
| if (c->msg) |
| err_connect_failed(connection, c->msg, err); |
| goto failed; |
| } |
| |
| sdp_list_free(classes, free); |
| sdp_record_free(record); |
| dbus_message_unref(reply); |
| |
| finish_sdp_transaction(&hs->bda); |
| |
| return; |
| |
| failed_not_supported: |
| if (c->msg) |
| err_not_supported(connection, c->msg); |
| failed: |
| if (classes) |
| sdp_list_free(classes, free); |
| if (record) |
| sdp_record_free(record); |
| if (reply) |
| dbus_message_unref(reply); |
| pending_connect_free(hs->pending_connect); |
| hs->pending_connect = NULL; |
| hs->state = HEADSET_STATE_DISCONNECTED; |
| finish_sdp_transaction(&hs->bda); |
| } |
| |
| static DBusHandlerResult hs_stop(DBusConnection *conn, DBusMessage *msg, |
| void *data) |
| { |
| struct headset *hs = data; |
| DBusMessage *reply = NULL; |
| |
| if (!hs || !hs->sco) |
| return err_not_connected(connection, msg); |
| |
| if (msg) { |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| } |
| |
| if (hs->state == HEADSET_STATE_PLAY_IN_PROGRESS && hs->pending_connect) { |
| g_io_channel_close(hs->pending_connect->io); |
| if (hs->pending_connect->msg) |
| err_connect_failed(connection, hs->pending_connect->msg, |
| EINTR); |
| pending_connect_free(hs->pending_connect); |
| hs->pending_connect = NULL; |
| hs->state = HEADSET_STATE_CONNECTED; |
| } |
| |
| close_sco(hs); |
| |
| if (reply) |
| send_message_and_unref(connection, reply); |
| |
| return DBUS_HANDLER_RESULT_HANDLED; |
| } |
| |
| static DBusHandlerResult hs_is_playing(DBusConnection *conn, DBusMessage *msg, |
| void *data) |
| { |
| struct headset *hs = data; |
| DBusMessage *reply; |
| dbus_bool_t playing; |
| |
| assert(hs); |
| |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| |
| if (hs->state == HEADSET_STATE_PLAYING) |
| playing = TRUE; |
| else |
| playing = FALSE; |
| |
| dbus_message_append_args(reply, DBUS_TYPE_BOOLEAN, &playing, |
| DBUS_TYPE_INVALID); |
| |
| send_message_and_unref(connection, reply); |
| |
| return DBUS_HANDLER_RESULT_HANDLED; |
| } |
| |
| static DBusHandlerResult hs_disconnect(DBusConnection *conn, DBusMessage *msg, |
| void *data) |
| { |
| struct headset *hs = data; |
| DBusMessage *reply = NULL; |
| char hs_address[18]; |
| |
| assert(hs); |
| |
| if (msg) { |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| } |
| |
| if (hs->state > HEADSET_STATE_CONNECTED) |
| hs_stop(NULL, NULL, hs); |
| |
| if (hs->rfcomm) { |
| g_io_channel_close(hs->rfcomm); |
| g_io_channel_unref(hs->rfcomm); |
| hs->rfcomm = NULL; |
| } |
| |
| if (hs->pending_connect) { |
| if (hs->pending_connect->io) |
| g_io_channel_close(hs->pending_connect->io); |
| if (hs->pending_connect->msg) |
| err_connect_failed(connection, hs->pending_connect->msg, |
| EINTR); |
| pending_connect_free(hs->pending_connect); |
| hs->pending_connect = NULL; |
| } |
| |
| hs->state = HEADSET_STATE_DISCONNECTED; |
| |
| ba2str(&hs->bda, hs_address); |
| info("Disconnected from %s, %s", &hs_address, hs->object_path); |
| |
| dbus_connection_emit_signal(connection, hs->object_path, |
| AUDIO_HEADSET_INTERFACE, |
| "Disconnected", DBUS_TYPE_INVALID); |
| |
| hs->data_start = 0; |
| hs->data_length = 0; |
| |
| if (reply) |
| send_message_and_unref(connection, reply); |
| |
| return DBUS_HANDLER_RESULT_HANDLED; |
| } |
| |
| static DBusHandlerResult hs_is_connected(DBusConnection *conn, DBusMessage *msg, |
| void *data) |
| { |
| struct headset *hs = data; |
| DBusMessage *reply; |
| dbus_bool_t connected; |
| |
| assert(hs); |
| |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| |
| if (hs->state >= HEADSET_STATE_CONNECTED) |
| connected = TRUE; |
| else |
| connected = FALSE; |
| |
| dbus_message_append_args(reply, DBUS_TYPE_BOOLEAN, &connected, |
| DBUS_TYPE_INVALID); |
| |
| send_message_and_unref(connection, reply); |
| |
| return DBUS_HANDLER_RESULT_HANDLED; |
| } |
| |
| static void get_handles_reply(DBusPendingCall *call, void *data) |
| { |
| DBusMessage *msg = NULL, *reply; |
| DBusPendingCall *pending; |
| DBusError derr; |
| struct headset *hs = data; |
| struct pending_connect *c; |
| char address[18], *addr_ptr = address; |
| dbus_uint32_t *array = NULL; |
| dbus_uint32_t handle; |
| int array_len; |
| |
| assert(hs != NULL && hs->pending_connect); |
| c = hs->pending_connect; |
| |
| reply = dbus_pending_call_steal_reply(call); |
| |
| dbus_error_init(&derr); |
| if (dbus_set_error_from_message(&derr, reply)) { |
| error("GetRemoteServiceHandles failed: %s", derr.message); |
| if (c->msg) { |
| if (dbus_error_has_name(&derr, "org.bluez.Error.ConnectionAttemptFailed")) |
| err_connect_failed(connection, c->msg, EHOSTDOWN); |
| else |
| err_not_supported(connection, c->msg); |
| } |
| dbus_error_free(&derr); |
| goto failed; |
| } |
| |
| if (!dbus_message_get_args(reply, NULL, |
| DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32, &array, &array_len, |
| DBUS_TYPE_INVALID)) { |
| |
| error("Unable to get args from reply"); |
| if (c->msg) |
| err_not_supported(connection, c->msg); |
| goto failed; |
| } |
| |
| if (!array) { |
| error("Unable to get handle array from reply"); |
| if (c->msg) |
| err_not_supported(connection, c->msg); |
| goto failed; |
| } |
| |
| if (array_len < 1) { |
| debug("No record handles found"); |
| if (c->msg) |
| err_not_supported(connection, c->msg); |
| goto failed; |
| } |
| |
| if (array_len > 1) |
| debug("Multiple records found. Using the first one."); |
| |
| msg = dbus_message_new_method_call("org.bluez", "/org/bluez/hci0", |
| "org.bluez.Adapter", |
| "GetRemoteServiceRecord"); |
| if (!msg) { |
| error("Unable to allocate new method call"); |
| if (c->msg) |
| err_connect_failed(connection, c->msg, ENOMEM); |
| goto failed; |
| } |
| |
| ba2str(&hs->bda, address); |
| |
| handle = array[0]; |
| |
| dbus_message_append_args(msg, DBUS_TYPE_STRING, &addr_ptr, |
| DBUS_TYPE_UINT32, &handle, |
| DBUS_TYPE_INVALID); |
| |
| if (!dbus_connection_send_with_reply(connection, msg, &pending, -1)) { |
| error("Sending GetRemoteServiceRecord failed"); |
| if (c->msg) |
| err_connect_failed(connection, c->msg, EIO); |
| goto failed; |
| } |
| |
| dbus_pending_call_set_notify(pending, get_record_reply, hs, NULL); |
| dbus_pending_call_unref(pending); |
| dbus_message_unref(msg); |
| dbus_message_unref(reply); |
| |
| return; |
| |
| failed: |
| if (msg) |
| dbus_message_unref(msg); |
| dbus_message_unref(reply); |
| hs_disconnect(NULL, NULL, hs); |
| } |
| |
| static DBusHandlerResult hs_connect(DBusConnection *conn, DBusMessage *msg, |
| void *data) |
| { |
| DBusPendingCall *pending; |
| struct headset *hs = data; |
| const char *hs_svc = "hsp"; |
| const char *addr_ptr; |
| char hs_address[18]; |
| |
| assert(hs != NULL); |
| |
| if (hs->state > HEADSET_STATE_DISCONNECTED || hs->pending_connect) |
| return err_already_connected(connection, msg); |
| |
| hs->pending_connect = g_try_new0(struct pending_connect, 1); |
| if (!hs->pending_connect) { |
| error("Out of memory when allocating new struct pending_connect"); |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| } |
| |
| hs->state = HEADSET_STATE_CONNECT_IN_PROGRESS; |
| |
| hs->pending_connect->msg = msg ? dbus_message_ref(msg) : NULL; |
| |
| msg = dbus_message_new_method_call("org.bluez", "/org/bluez/hci0", |
| "org.bluez.Adapter", |
| "GetRemoteServiceHandles"); |
| if (!msg) { |
| error("Could not create a new dbus message"); |
| pending_connect_free(hs->pending_connect); |
| hs->pending_connect = NULL; |
| hs->state = HEADSET_STATE_DISCONNECTED; |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| } |
| |
| ba2str(&hs->bda, hs_address); |
| addr_ptr = hs_address; |
| dbus_message_append_args(msg, DBUS_TYPE_STRING, &addr_ptr, |
| DBUS_TYPE_STRING, &hs_svc, |
| DBUS_TYPE_INVALID); |
| |
| if (!dbus_connection_send_with_reply(connection, msg, &pending, -1)) { |
| error("Sending GetRemoteServiceHandles failed"); |
| pending_connect_free(hs->pending_connect); |
| hs->pending_connect = NULL; |
| hs->state = HEADSET_STATE_DISCONNECTED; |
| dbus_message_unref(msg); |
| return err_connect_failed(connection, msg, EIO); |
| } |
| |
| dbus_pending_call_set_notify(pending, get_handles_reply, hs, NULL); |
| dbus_pending_call_unref(pending); |
| dbus_message_unref(msg); |
| |
| return DBUS_HANDLER_RESULT_HANDLED;; |
| } |
| |
| static GIOError headset_send_ring(struct headset *hs) |
| { |
| const char *ring_str = "\r\nRING\r\n"; |
| GIOError err; |
| gsize total_written, written, count; |
| |
| assert(hs != NULL); |
| if (hs->state < HEADSET_STATE_CONNECTED || !hs->rfcomm) { |
| error("the headset %s is not connected", hs->object_path); |
| return G_IO_ERROR_UNKNOWN; |
| } |
| |
| count = strlen(ring_str); |
| written = total_written = 0; |
| |
| while (total_written < count) { |
| err = g_io_channel_write(hs->rfcomm, ring_str + total_written, |
| count - total_written, &written); |
| if (err != G_IO_ERROR_NONE) |
| return err; |
| total_written += written; |
| } |
| |
| return G_IO_ERROR_NONE; |
| } |
| |
| static gboolean ring_timer_cb(gpointer data) |
| { |
| struct headset *hs = data; |
| |
| assert(hs != NULL); |
| |
| if (headset_send_ring(hs) != G_IO_ERROR_NONE) |
| error("Sending RING failed"); |
| |
| return TRUE; |
| } |
| |
| static DBusHandlerResult hs_ring(DBusConnection *conn, DBusMessage *msg, |
| void *data) |
| { |
| struct headset *hs = data; |
| DBusMessage *reply = NULL; |
| |
| assert(hs != NULL); |
| |
| if (hs->state < HEADSET_STATE_CONNECTED) |
| return err_not_connected(connection, msg); |
| |
| if (msg) { |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| } |
| |
| if (hs->ring_timer) { |
| debug("Got Ring method call while ringing already in progress"); |
| goto done; |
| } |
| |
| if (headset_send_ring(hs) != G_IO_ERROR_NONE) { |
| dbus_message_unref(reply); |
| return err_failed(connection, msg); |
| } |
| |
| hs->ring_timer = g_timeout_add(RING_INTERVAL, ring_timer_cb, hs); |
| |
| done: |
| if (reply) |
| send_message_and_unref(connection, reply); |
| |
| return DBUS_HANDLER_RESULT_HANDLED; |
| } |
| |
| static DBusHandlerResult hs_cancel_ringing(DBusConnection *conn, DBusMessage *msg, |
| void *data) |
| { |
| struct headset *hs = data; |
| DBusMessage *reply = NULL; |
| |
| if (hs->state < HEADSET_STATE_CONNECTED) |
| return err_not_connected(connection, msg); |
| |
| if (msg) { |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| } |
| |
| if (!hs->ring_timer) { |
| debug("Got CancelRinging method call but ringing is not in progress"); |
| goto done; |
| } |
| |
| g_source_remove(hs->ring_timer); |
| hs->ring_timer = 0; |
| |
| done: |
| if (reply) |
| send_message_and_unref(connection, reply); |
| |
| return DBUS_HANDLER_RESULT_HANDLED; |
| } |
| |
| static DBusHandlerResult hs_play(DBusConnection *conn, DBusMessage *msg, |
| void *data) |
| { |
| struct headset *hs = data; |
| struct sockaddr_sco addr; |
| struct pending_connect *c; |
| int sk, err; |
| |
| if (hs->state < HEADSET_STATE_CONNECTED) |
| return err_not_connected(connection, msg); /* FIXME: in progress error? */ |
| |
| if (hs->state >= HEADSET_STATE_PLAY_IN_PROGRESS || hs->pending_connect) |
| return err_already_connected(connection, msg); |
| |
| if (hs->sco) |
| return err_already_connected(connection, msg); |
| |
| c = g_try_new0(struct pending_connect, 1); |
| if (!c) |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| |
| hs->state = HEADSET_STATE_PLAY_IN_PROGRESS; |
| |
| c->msg = msg ? dbus_message_ref(msg) : NULL; |
| |
| sk = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_SCO); |
| if (sk < 0) { |
| err = errno; |
| error("socket(BTPROTO_SCO): %s (%d)", strerror(err), err); |
| err_connect_failed(connection, msg, err); |
| goto failed; |
| } |
| |
| c->io = g_io_channel_unix_new(sk); |
| if (!c->io) { |
| close(sk); |
| pending_connect_free(c); |
| return DBUS_HANDLER_RESULT_NEED_MEMORY; |
| } |
| |
| memset(&addr, 0, sizeof(addr)); |
| addr.sco_family = AF_BLUETOOTH; |
| bacpy(&addr.sco_bdaddr, BDADDR_ANY); |
| |
| if (bind(sk, (struct sockaddr *)&addr, sizeof(addr)) < 0) { |
| err = errno; |
| error("socket(BTPROTO_SCO): %s (%d)", strerror(err), err); |
| err_connect_failed(connection, msg, err); |
| goto failed; |
| } |
| |
| if (set_nonblocking(sk) < 0) { |
| err = errno; |
| err_connect_failed(connection, msg, err); |
| goto failed; |
| } |
| |
| memset(&addr, 0, sizeof(addr)); |
| addr.sco_family = AF_BLUETOOTH; |
| bacpy(&addr.sco_bdaddr, &hs->bda); |
| |
| if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) { |
| if (!(errno == EAGAIN || errno == EINPROGRESS)) { |
| err = errno; |
| error("connect: %s (%d)", strerror(errno), errno); |
| goto failed; |
| } |
| |
| debug("Connect in progress"); |
| |
| g_io_add_watch(c->io, G_IO_OUT, (GIOFunc) sco_connect_cb, hs); |
| } else { |
| debug("Connect succeeded with first try"); |
| sco_connect_cb(c->io, G_IO_OUT, hs); |
| } |
| |
| hs->pending_connect = c; |
| |
| return 0; |
| |
| failed: |
| if (c) |
| pending_connect_free(c); |
| |
| return DBUS_HANDLER_RESULT_HANDLED; |
| } |
| |
| static DBusMethodVTable headset_methods[] = { |
| { "Connect", hs_connect, "", "" }, |
| { "Disconnect", hs_disconnect, "", "" }, |
| { "IsConnected", hs_is_connected, "", "b" }, |
| { "IndicateCall", hs_ring, "", "" }, |
| { "CancelCall", hs_cancel_ringing, "", "" }, |
| { "Play", hs_play, "", "" }, |
| { "Stop", hs_stop, "", "" }, |
| { "IsPlaying", hs_is_playing, "", "b" }, |
| { NULL, NULL, NULL, NULL } |
| }; |
| |
| static DBusSignalVTable headset_signals[] = { |
| { "Connected", "" }, |
| { "Disconnected", "" }, |
| { "AnswerRequested", "" }, |
| { "Stopped", "" }, |
| { "Playing", "" }, |
| { "SpeakerGainChanged", "q" }, |
| { "MicrophoneGainChanged", "q" }, |
| { NULL, NULL } |
| }; |
| |
| static struct headset *headset_add_internal(const bdaddr_t *bda) |
| { |
| static int headset_uid = 0; |
| struct headset *hs; |
| GSList *match; |
| |
| match = g_slist_find_custom(headsets, bda, headset_bda_cmp); |
| if (match) |
| return match->data; |
| |
| hs = g_try_new0(struct headset, 1); |
| if (!hs) { |
| error("Allocating new hs connection struct failed!"); |
| return NULL; |
| } |
| |
| snprintf(hs->object_path, sizeof(hs->object_path), |
| HEADSET_PATH_BASE "%d", headset_uid++); |
| |
| if (!dbus_connection_create_object_path(connection, hs->object_path, |
| hs, NULL)) { |
| error("D-Bus failed to register %s path", hs->object_path); |
| g_free(hs); |
| return NULL; |
| } |
| |
| if (!dbus_connection_register_interface(connection, hs->object_path, |
| AUDIO_HEADSET_INTERFACE, |
| headset_methods, |
| headset_signals, NULL)) { |
| error("Failed to register %s interface to %s", |
| AUDIO_HEADSET_INTERFACE, hs->object_path); |
| dbus_connection_destroy_object_path(connection, |
| hs->object_path); |
| g_free(hs); |
| return NULL; |
| } |
| |
| bacpy(&hs->bda, bda); |
| |
| headsets = g_slist_append(headsets, hs); |
| |
| return hs; |
| } |
| |
| const char *headset_add(const bdaddr_t *bda) |
| { |
| struct headset *hs; |
| |
| hs = headset_add_internal(bda); |
| if (!hs) |
| return NULL; |
| |
| return hs->object_path; |
| } |
| |
| const char *headset_get(const bdaddr_t *bda) |
| { |
| GSList *match; |
| struct headset *hs; |
| |
| match = g_slist_find_custom(headsets, bda, headset_bda_cmp); |
| if (!match) |
| return NULL; |
| |
| hs = match->data; |
| |
| return hs->object_path; |
| } |
| |
| void headset_remove(const char *path) |
| { |
| struct headset *hs; |
| |
| if (!dbus_connection_get_object_user_data(connection, path, |
| (void *) &hs)) |
| return; |
| |
| if (hs->state > HEADSET_STATE_DISCONNECTED) |
| hs_disconnect(NULL, NULL, hs); |
| |
| if (!dbus_connection_destroy_object_path(connection, path)) |
| error("D-Bus failed to unregister %s path", path); |
| |
| headsets = g_slist_remove(headsets, hs); |
| |
| g_free(hs); |
| } |
| |
| static gboolean headset_server_io_cb(GIOChannel *chan, GIOCondition cond, void *data) |
| { |
| int srv_sk, cli_sk; |
| struct sockaddr_rc addr; |
| socklen_t size; |
| char hs_address[18], *address = hs_address; |
| const char *uuid = ""; |
| struct headset *hs = NULL; |
| DBusMessage *auth; |
| DBusPendingCall *pending; |
| GSList *match; |
| |
| if (cond & G_IO_NVAL) |
| return FALSE; |
| |
| if (cond & (G_IO_HUP | G_IO_ERR)) { |
| error("Hangup or error on rfcomm server socket"); |
| g_io_channel_close(chan); |
| raise(SIGTERM); |
| return FALSE; |
| } |
| |
| srv_sk = g_io_channel_unix_get_fd(chan); |
| |
| size = sizeof(struct sockaddr_rc); |
| cli_sk = accept(srv_sk, (struct sockaddr *) &addr, &size); |
| if (cli_sk < 0) { |
| error("accept: %s (%d)", strerror(errno), errno); |
| return TRUE; |
| } |
| |
| match = g_slist_find_custom(headsets, &addr.rc_bdaddr, headset_bda_cmp); |
| if (!match) { |
| hs = headset_add_internal(&addr.rc_bdaddr); |
| if (!hs) { |
| error("Unable to create a new headset object"); |
| close(cli_sk); |
| return TRUE; |
| } |
| |
| manager_add_headset(hs->object_path); |
| } |
| else |
| hs = match->data; |
| |
| if (hs->state > HEADSET_STATE_DISCONNECTED || hs->rfcomm) { |
| debug("Refusing new connection since one already exists"); |
| close(cli_sk); |
| return TRUE; |
| } |
| |
| hs->rfcomm = g_io_channel_unix_new(cli_sk); |
| if (!hs->rfcomm) { |
| error("Allocating new GIOChannel failed!"); |
| close(cli_sk); |
| return TRUE; |
| } |
| |
| auth = dbus_message_new_method_call("org.bluez", "/org/bluez", "org.bluez.Database", |
| "RequestAuthorization"); |
| if (!auth) { |
| error("Unable to allocat new RequestAuthorization method call"); |
| goto failed; |
| } |
| |
| ba2str(&hs->bda, hs_address); |
| |
| dbus_message_append_args(auth, DBUS_TYPE_STRING, &address, |
| DBUS_TYPE_STRING, &uuid, DBUS_TYPE_INVALID); |
| |
| if (dbus_connection_send_with_reply(connection, auth, &pending, -1) == FALSE) { |
| error("Sending of authorization request failed"); |
| goto failed; |
| } |
| |
| dbus_pending_call_set_notify(pending, auth_callback, hs, NULL); |
| dbus_pending_call_unref(pending); |
| dbus_message_unref(auth); |
| |
| return TRUE; |
| |
| failed: |
| if (hs->rfcomm) { |
| g_io_channel_close(hs->rfcomm); |
| g_io_channel_unref(hs->rfcomm); |
| hs->rfcomm = NULL; |
| } |
| |
| return TRUE; |
| } |
| |
| static GIOChannel *server_socket(uint8_t *channel) |
| { |
| int sock, lm; |
| struct sockaddr_rc addr; |
| socklen_t sa_len; |
| GIOChannel *io; |
| |
| sock = socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM); |
| if (sock < 0) { |
| error("server socket: %s (%d)", strerror(errno), errno); |
| return NULL; |
| } |
| |
| lm = RFCOMM_LM_SECURE; |
| if (setsockopt(sock, SOL_RFCOMM, RFCOMM_LM, &lm, sizeof(lm)) < 0) { |
| error("server setsockopt: %s (%d)", strerror(errno), errno); |
| close(sock); |
| return NULL; |
| } |
| |
| memset(&addr, 0, sizeof(addr)); |
| addr.rc_family = AF_BLUETOOTH; |
| bacpy(&addr.rc_bdaddr, BDADDR_ANY); |
| addr.rc_channel = 0; |
| |
| if (bind(sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) { |
| error("server bind: %s", strerror(errno), errno); |
| close(sock); |
| return NULL; |
| } |
| |
| if (listen(sock, 1) < 0) { |
| error("server listen: %s", strerror(errno), errno); |
| close(sock); |
| return NULL; |
| } |
| |
| sa_len = sizeof(struct sockaddr_rc); |
| getsockname(sock, (struct sockaddr *) &addr, &sa_len); |
| *channel = addr.rc_channel; |
| |
| io = g_io_channel_unix_new(sock); |
| if (!io) { |
| error("Unable to allocate new io channel"); |
| close(sock); |
| return NULL; |
| } |
| |
| return io; |
| } |
| |
| int headset_init(DBusConnection *conn) |
| { |
| uint8_t chan = DEFAULT_HS_AG_CHANNEL; |
| |
| connection = dbus_connection_ref(conn); |
| |
| hs_server = server_socket(&chan); |
| if (!hs_server) |
| return -1; |
| |
| if (!hs_record_id) |
| hs_record_id = headset_add_ag_record(chan); |
| |
| if (!hs_record_id) { |
| error("Unable to register service record"); |
| g_io_channel_unref(hs_server); |
| hs_server = NULL; |
| return -1; |
| } |
| |
| g_io_add_watch(hs_server, G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL, |
| (GIOFunc) headset_server_io_cb, NULL); |
| |
| return 0; |
| } |
| |
| void headset_exit(void) |
| { |
| if (hs_record_id) { |
| headset_remove_ag_record(hs_record_id); |
| hs_record_id = 0; |
| } |
| |
| if (hs_server) { |
| g_io_channel_unref(hs_server); |
| hs_server = NULL; |
| } |
| |
| dbus_connection_unref(connection); |
| connection = NULL; |
| } |