[PATCH_v5] android/hal-health: Add HDP .register_application method

[Ravi kumar Veeramally <ravikumar.veeramally@linux.intel.com>]

---
v5: Fixed Johan's comment.
v4: Added utility to copy null termiated strings to hal_string.
---
 android/hal-health.c | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 79 insertions(+), 1 deletion(-)

diff --git a/android/hal-health.c b/android/hal-health.c
index e6fe65a..02358fd 100644
--- a/android/hal-health.c
+++ b/android/hal-health.c
@@ -28,6 +28,27 @@
 
 static const bthl_callbacks_t *cbacks = NULL;
 
+static bool string_to_hal(const char *str, struct hal_string *hstr,
+								ssize_t *len)
+{
+	if (!hstr || !len)
+		return false;
+
+	if (!str) {
+		hstr->len = 0;
+		return true;
+	}
+
+	if ((*len + strlen(str) + 1) > IPC_MTU)
+		return false;
+
+	hstr->len = strlen(str) + 1;
+	*len += hstr->len;
+	memcpy(hstr->data, str, hstr->len);
+
+	return true;
+}
+
 static bool interface_ready(void)
 {
 	return cbacks != NULL;
@@ -38,6 +59,63 @@ static bool interface_ready(void)
 static const struct hal_ipc_handler ev_handlers[] = {
 };
 
+static bt_status_t register_application(bthl_reg_param_t *reg, int *app_id)
+{
+	char buf[IPC_MTU];
+	struct hal_cmd_health_reg_app *cmd = (void *) buf;
+	struct hal_rsp_health_reg_app rsp;
+	size_t len = sizeof(rsp);
+	bt_status_t status;
+	ssize_t cmd_len;
+	uint8_t i;
+
+	DBG("");
+
+	if (!interface_ready())
+		return BT_STATUS_NOT_READY;
+
+	if (!reg || !app_id)
+		return BT_STATUS_PARM_INVALID;
+
+	cmd_len = sizeof(*cmd);
+
+	if (!string_to_hal(reg->application_name, &cmd->app_name, &cmd_len))
+		return BT_STATUS_PARM_INVALID;
+
+	if (!string_to_hal(reg->provider_name, &cmd->provider_name, &cmd_len))
+		return BT_STATUS_PARM_INVALID;
+
+	if (!string_to_hal(reg->srv_name, &cmd->service_name, &cmd_len))
+		return BT_STATUS_PARM_INVALID;
+
+	if (!string_to_hal(reg->srv_desp, &cmd->service_descr, &cmd_len))
+		return BT_STATUS_PARM_INVALID;
+
+	cmd->num_of_mdep = reg->number_of_mdeps;
+
+	for (i = 0; i < reg->number_of_mdeps; i++) {
+		cmd_len += sizeof(cmd->mdep_cfg);
+		if (cmd_len > IPC_MTU)
+			return BT_STATUS_PARM_INVALID;
+
+		cmd->mdep_cfg[i].role = reg->mdep_cfg[i].mdep_role;
+		cmd->mdep_cfg[i].data_type = reg->mdep_cfg[i].data_type;
+		cmd->mdep_cfg[i].channel_type = reg->mdep_cfg[i].channel_type;
+
+		if (!string_to_hal(reg->mdep_cfg[i].mdep_description,
+					&cmd->mdep_cfg[i].descr, &cmd_len))
+			return BT_STATUS_PARM_INVALID;
+	}
+
+	status = hal_ipc_cmd(HAL_SERVICE_ID_HEALTH, HAL_OP_HEALTH_REG_APP,
+						cmd_len, cmd, &len, &rsp, NULL);
+
+	if (status == HAL_STATUS_SUCCESS)
+		*app_id = rsp.app_id;
+
+	return status;
+}
+
 static bt_status_t unregister_application(int app_id)
 {
 	struct hal_cmd_health_unreg_app cmd;
@@ -149,7 +227,7 @@ static void cleanup(void)
 static bthl_interface_t health_if = {
 	.size = sizeof(health_if),
 	.init = init,
-	.register_application = NULL,
+	.register_application = register_application,
 	.unregister_application = unregister_application,
 	.connect_channel = connect_channel,
 	.destroy_channel = destroy_channel,
-- 
1.8.3.2