From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
Add helper to ease opening channel and sending commands.
---
android/Android.mk | 1 +
android/hal_msg_client.c | 112 ++++++++++++++++++++++++++++++++++++++++++++++
android/hal_msg_client.h | 25 +++++++++++
3 files changed, 138 insertions(+)
create mode 100644 android/hal_msg_client.c
create mode 100644 android/hal_msg_client.h
diff --git a/android/Android.mk b/android/Android.mk
index d16c3f5..4446b2f 100644
--- a/android/Android.mk
+++ b/android/Android.mk
@@ -46,6 +46,7 @@ LOCAL_SRC_FILES := \
hal_bluetooth.c \
hal_cb_thread.c \
hal_bt_sock.c \
+ hal_msg_client.c \
LOCAL_SHARED_LIBRARIES := \
libcutils \
diff --git a/android/hal_msg_client.c b/android/hal_msg_client.c
new file mode 100644
index 0000000..87880fe
--- /dev/null
+++ b/android/hal_msg_client.c
@@ -0,0 +1,112 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2013 Intel Corporation. All rights reserved.
+ *
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdbool.h>
+
+#include <hardware/bluetooth.h>
+#include <cutils/sockets.h>
+#include <cutils/properties.h>
+
+#define LOG_TAG "BlueZ"
+#include <cutils/log.h>
+
+#include "hal_msg.h"
+#include "hal_msg_client.h"
+
+#define BLUEZ_SOCKET "bluez_hal"
+
+int open_hal_chan(void)
+{
+ int tries = 10;
+ int sock;
+
+ while (tries-- > 0) {
+ sock = socket_local_client(BLUEZ_SOCKET,
+ ANDROID_SOCKET_NAMESPACE_RESERVED,
+ SOCK_STREAM);
+ if (sock < 0)
+ ALOGE("%s: Cannot open chan: %s", __func__,
+ strerror(errno));
+ else
+ return sock;
+
+ usleep(100000);
+ }
+
+ return sock;
+}
+
+static int hal_send(int sock, struct hal_msg_hdr *msg)
+{
+ struct hal_msg_rsp rsp;
+ int len, size;
+
+ if (sock < 0) {
+ ALOGE("%s: socket not ready", __func__);
+ return BT_STATUS_NOT_READY;
+ }
+
+ size = sizeof(*msg) + msg->len;
+ len = send(sock, msg, size, 0);
+ if (len != size) {
+ ALOGE("%s: send(): %s", __func__, strerror(errno));
+ close(sock);
+ return BT_STATUS_FAIL;
+ }
+
+ ALOGD("%s: Sent %d bytes", __func__, len);
+
+ len = recv(sock, &rsp, sizeof(rsp), 0);
+ if (len != sizeof(rsp)) {
+ ALOGE("%s: recv(): read %d bytes", __func__, len);
+ return BT_STATUS_FAIL;
+ }
+
+ return rsp.status;
+}
+
+int hal_register_module(int sock, uint8_t service_id)
+{
+ struct hal_msg_hdr *hdr;
+ struct hal_msg_cp_register_module *msg;
+ int err;
+
+ hdr = malloc(sizeof(*hdr) + sizeof(*msg));
+ if (hdr == NULL)
+ return BT_STATUS_NOMEM;
+
+ hdr->service_id = 0;
+ hdr->opcode = HAL_MSG_OP_REGISTER_MODULE;
+ hdr->len = sizeof(*msg);
+
+ msg = (struct hal_msg_cp_register_module *) hdr->payload;
+ msg->service_id = service_id;
+
+ err = hal_send(sock, hdr);
+
+ free(hdr);
+ return err;
+}
diff --git a/android/hal_msg_client.h b/android/hal_msg_client.h
new file mode 100644
index 0000000..c620dea
--- /dev/null
+++ b/android/hal_msg_client.h
@@ -0,0 +1,25 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2013 Intel Corporation. All rights reserved.
+ *
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+int hal_register_module(int sock, uint8_t service_id);
+int open_hal_chan(void);
--
1.7.10.4
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