diff options
| -rw-r--r-- | audio/headset.c | 127 |
1 files changed, 119 insertions, 8 deletions
diff --git a/audio/headset.c b/audio/headset.c index f26fcfed..350f5973 100644 --- a/audio/headset.c +++ b/audio/headset.c @@ -50,6 +50,8 @@ #include "logging.h" #include "glib-ectomy.c" +#define BUF_SIZE 1024 + #define RING_INTERVAL 3000 #define HEADSET_PATH "/org/bluez/headset" @@ -65,9 +67,15 @@ struct pending_connect { struct hs_connection { char address[18]; + GIOChannel *rfcomm; GIOChannel *sco; + guint ring_timer; + + char buf[BUF_SIZE]; + int data_start; + int data_length; }; static gboolean connect_in_progress = FALSE; @@ -188,12 +196,49 @@ static DBusHandlerResult err_failed(DBusConnection *conn, DBusMessage *msg) return error_reply(conn, msg, "org.bluez.Error.Failed", "Failed"); } +static void send_gain_setting(const char *buf) +{ +} + +static void send_button_press(void) +{ + DBusMessage *signal; + + signal = dbus_message_new_signal(HEADSET_PATH, "org.bluez.Headset", + "AnswerRequested"); + if (!signal) { + error("Unable to allocate new AnswerRequested signal"); + return; + } + + dbus_connection_send(connection, signal, NULL); + dbus_message_unref(signal); +} + +static void 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; + } + + buf += 2; + + if (!strncmp(buf, "+CKPD", 5)) + send_button_press(); + else if (!strncmp(buf, "+VG", 3)) + send_gain_setting(buf); + + snprintf(rsp, rsp_len, "\r\nOK\r\n"); +} + static gboolean rfcomm_io_cb(GIOChannel *chan, GIOCondition cond, struct hs_connection *hs) { int sk, ret; - unsigned char buf[1024]; - - debug("rfcomm_io_cb"); + unsigned char buf[BUF_SIZE]; if (cond & G_IO_NVAL) { g_io_channel_unref(chan); @@ -207,8 +252,59 @@ static gboolean rfcomm_io_cb(GIOChannel *chan, GIOCondition cond, struct hs_conn ret = read(sk, buf, sizeof(buf) - 1); if (ret > 0) { - buf[ret] = '\0'; - printf("%s\n", buf); + int free_space = sizeof(connected_hs->buf) - + connected_hs->data_start - + connected_hs->data_length - 1; + char *cr; + + if (free_space < ret) { + error("Too much data to fit incomming buffer"); + goto failed; + } + + memcpy(&connected_hs->buf[connected_hs->data_start], buf, ret); + connected_hs->data_length += ret; + + /* Make sure the data is null terminated so we can use string + * functions */ + connected_hs->buf[connected_hs->data_length] = '\0'; + + cr = strchr(&connected_hs->buf[connected_hs->data_start], '\r'); + if (cr) { + char rsp[BUF_SIZE]; + int len, written = 0; + off_t cmd_len = 1 + (off_t) cr - + (off_t) &connected_hs->buf[connected_hs->data_start]; + + *cr = '\0'; + + memset(rsp, 0, sizeof(rsp)); + + parse_headset_event(&connected_hs->buf[connected_hs->data_start], + rsp, sizeof(rsp)); + + len = strlen(rsp); + + while (written < len) { + int ret; + + ret = write(sk, &rsp[written], len - written); + if (ret < 0) { + error("write: %s (%d)", errno, strerror(errno)); + break; + } + + written += ret; + } + + connected_hs->data_start += cmd_len; + connected_hs->data_length -= cmd_len; + + if (!connected_hs->data_length) + connected_hs->data_start = 0; + + } + } if (connected_hs->ring_timer) { @@ -281,7 +377,7 @@ static gboolean server_io_cb(GIOChannel *chan, GIOCondition cond, void *data) ba2str(&addr.rc_bdaddr, connected_hs->address); - debug("rfcomm_connect_cb: connected to %s", connected_hs->address); + debug("Accepted connection from %s", connected_hs->address); g_io_add_watch(connected_hs->rfcomm, G_IO_IN, (GIOFunc) rfcomm_io_cb, connected_hs); @@ -327,10 +423,20 @@ static gboolean rfcomm_connect_cb(GIOChannel *chan, GIOCondition cond, struct pe ba2str(&c->bda, connected_hs->address); connected_hs->rfcomm = chan; - debug("rfcomm_connect_cb: connected to %s", connected_hs->address); + debug("Connected to %s", connected_hs->address); g_io_add_watch(chan, G_IO_IN, (GIOFunc) rfcomm_io_cb, connected_hs); + if (c->msg) { + DBusMessage *reply; + + reply = dbus_message_new_method_return(c->msg); + if (reply) { + dbus_connection_send(c->conn, reply, NULL); + dbus_message_unref(reply); + } + } + pending_connect_free(c, FALSE); return FALSE; @@ -1002,6 +1108,8 @@ static DBusHandlerResult hs_disconnect(DBusConnection *conn, DBusMessage *msg) if (connected_hs->rfcomm) g_io_channel_close(connected_hs->rfcomm); + info("Disconnected from %s", connected_hs->address); + free(connected_hs); connected_hs = NULL; @@ -1050,6 +1158,9 @@ static DBusHandlerResult hs_connect(DBusConnection *conn, DBusMessage *msg, str2ba(address, &c->bda); + c->conn = dbus_connection_ref(conn); + c->msg = dbus_message_ref(msg); + msg = dbus_message_new_method_call("org.bluez", "/org/bluez/hci0", "org.bluez.Adapter", "GetRemoteServiceHandles"); @@ -1063,7 +1174,7 @@ static DBusHandlerResult hs_connect(DBusConnection *conn, DBusMessage *msg, DBUS_TYPE_INVALID); - if (!dbus_connection_send_with_reply(connection, msg, &pending, -1)) { + if (!dbus_connection_send_with_reply(conn, msg, &pending, -1)) { error("Sending GetRemoteServiceHandles failed"); pending_connect_free(c, TRUE); dbus_message_unref(msg); 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