--- android/handsfree-client.c | 173 ++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 172 insertions(+), 1 deletion(-) diff --git a/android/handsfree-client.c b/android/handsfree-client.c index aa3912b..4914baf 100644 --- a/android/handsfree-client.c +++ b/android/handsfree-client.c @@ -36,6 +36,8 @@ #include "lib/sdp_lib.h" #include "src/sdp-client.h" #include "src/shared/queue.h" +#include "src/shared/util.h" +#include "btio/btio.h" #include "ipc.h" #include "ipc-common.h" #include "src/log.h" @@ -64,6 +66,11 @@ HFP_HF_FEAT_RVC | HFP_HF_FEAT_ECS |\ HFP_HF_FEAT_ECC) +struct device { + bdaddr_t bdaddr; + uint8_t state; +}; + static bdaddr_t adapter_addr; static struct ipc *hal_ipc = NULL; @@ -71,6 +78,55 @@ static struct ipc *hal_ipc = NULL; static uint32_t hfp_hf_features = 0; static uint32_t hfp_hf_record_id = 0; static struct queue *devices = NULL; +static GIOChannel *hfp_hf_server = NULL; + +static bool match_by_bdaddr(const void *data, const void *user_data) +{ + const bdaddr_t *addr1 = data; + const bdaddr_t *addr2 = user_data; + + return !bacmp(addr1, addr2); +} + +static struct device *find_device(const bdaddr_t *addr) +{ + return queue_find(devices, match_by_bdaddr, addr); +} + +static struct device *device_create(const bdaddr_t *bdaddr) +{ + struct device *dev; + + dev = new0(struct device, 1); + if (!dev) + return NULL; + + if (!queue_push_tail(devices, dev)) { + error("hf-client: Could not push dev on the list"); + free(dev); + return NULL; + } + + bacpy(&dev->bdaddr, bdaddr); + dev->state = HAL_HF_CLIENT_CONN_STATE_DISCONNECTED; + + return dev; +} + +static struct device *get_device(const bdaddr_t *addr) +{ + struct device *dev; + + dev = find_device(addr); + if (dev) + return dev; + + /* We do support only one device as for now */ + if (queue_isempty(devices)) + return device_create(addr); + + return NULL; +} static void handle_connect(const void *buf, uint16_t len) { @@ -192,6 +248,102 @@ static void handle_get_last_vc_tag_num(const void *buf, uint16_t len) HAL_STATUS_UNSUPPORTED); } +static void device_set_state(struct device *dev, uint8_t state) +{ + struct hal_ev_hf_client_conn_state ev; + char address[18]; + + if (dev->state == state) + return; + + memset(&ev, 0, sizeof(ev)); + + dev->state = state; + + ba2str(&dev->bdaddr, address); + DBG("device %s state %u", address, state); + + bdaddr2android(&dev->bdaddr, ev.bdaddr); + ev.state = state; + + ipc_send_notif(hal_ipc, HAL_SERVICE_ID_HANDSFREE_CLIENT, + HAL_EV_HF_CLIENT_CONN_STATE, sizeof(ev), &ev); +} + +static void device_destroy(struct device *dev) +{ + device_set_state(dev, HAL_HF_CLIENT_CONN_STATE_DISCONNECTED); + queue_remove(devices, dev); + free(dev); +} + +static void connect_cb(GIOChannel *chan, GError *err, gpointer user_data) +{ + struct device *dev = user_data; + + DBG(""); + + if (err) { + error("hf-client: connect failed (%s)", err->message); + goto failed; + } + + g_io_channel_set_close_on_unref(chan, FALSE); + + /* TODO Create SLC here. For now do nothing, link will be dropped */ + + return; + +failed: + g_io_channel_shutdown(chan, TRUE, NULL); + device_destroy(dev); +} + +static void confirm_cb(GIOChannel *chan, gpointer data) +{ + struct device *dev; + char address[18]; + bdaddr_t bdaddr; + GError *err = NULL; + + bt_io_get(chan, &err, + BT_IO_OPT_DEST, address, + BT_IO_OPT_DEST_BDADDR, &bdaddr, + BT_IO_OPT_INVALID); + if (err) { + error("hf-client: confirm failed (%s)", err->message); + g_error_free(err); + goto drop; + } + + DBG("Incoming connection from %s", address); + + dev = get_device(&bdaddr); + if (!dev) { + error("hf-client: There is other AG connected"); + goto drop; + } + + if (dev->state != HAL_HF_CLIENT_CONN_STATE_DISCONNECTED) { + /* TODO: Handle colision */ + error("hf-client: Connections is up or ongoing ?"); + goto drop; + } + + device_set_state(dev, HAL_HF_CLIENT_CONN_STATE_CONNECTING); + + if (!bt_io_accept(chan, connect_cb, dev, NULL, NULL)) { + error("hf-client: failed to accept connection"); + device_destroy(dev); + goto drop; + } + + return; + +drop: + g_io_channel_shutdown(chan, TRUE, NULL); +} + static const struct ipc_handler cmd_handlers[] = { /* HAL_OP_HF_CLIENT_CONNECT */ { handle_connect, false, @@ -304,6 +456,19 @@ static sdp_record_t *hfp_hf_record(void) static bool enable_hf_client(void) { sdp_record_t *rec; + GError *err = NULL; + + hfp_hf_server = bt_io_listen(NULL, confirm_cb, NULL, NULL, &err, + BT_IO_OPT_SOURCE_BDADDR, &adapter_addr, + BT_IO_OPT_CHANNEL, HFP_HF_CHANNEL, + BT_IO_OPT_SEC_LEVEL, BT_IO_SEC_MEDIUM, + BT_IO_OPT_INVALID); + if (!hfp_hf_server) { + error("hf-client: Failed to listen on Handsfree rfcomm: %s", + err->message); + g_error_free(err); + return false; + } hfp_hf_features = HFP_HF_FEATURES; @@ -326,6 +491,12 @@ static bool enable_hf_client(void) static void cleanup_hfp_hf(void) { + if (hfp_hf_server) { + g_io_channel_shutdown(hfp_hf_server, TRUE, NULL); + g_io_channel_unref(hfp_hf_server); + hfp_hf_server = NULL; + } + if (hfp_hf_record_id > 0) { bt_adapter_remove_record(hfp_hf_record_id); hfp_hf_record_id = 0; @@ -366,7 +537,7 @@ void bt_hf_client_unregister(void) cleanup_hfp_hf(); - queue_destroy(devices, free); + queue_destroy(devices, (void *) device_destroy); devices = NULL; ipc_unregister(hal_ipc, HAL_SERVICE_ID_HANDSFREE); -- 1.8.4 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html