system/main/bte_conf.cc

/******************************************************************************
 *
 *  Copyright 2009-2012 Broadcom Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at:
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 ******************************************************************************/

#define LOG_TAG "bt_bte_conf"

#include <cstdint>
#include <cstdio>
#include <memory>

#include "bta/include/bta_api.h"
#include "include/check.h"
#include "os/log.h"
#include "osi/include/compat.h"  // strlcpy
#include "osi/include/config.h"

// Parses the specified Device ID configuration file and registers the
// Device ID records with SDP.
void bte_load_did_conf(const char* p_path) {
  CHECK(p_path != NULL);

  std::unique_ptr<config_t> config = config_new(p_path);
  if (!config) {
    LOG_ERROR("%s unable to load DID config '%s'.", __func__, p_path);
    return;
  }

  for (int i = 1; i <= BTA_DI_NUM_MAX; ++i) {
    char section_name[16] = {0};
    snprintf(section_name, sizeof(section_name), "DID%d", i);

    if (!config_has_section(*config, section_name)) {
      LOG_INFO("%s no section named %s.", __func__, section_name);
      break;
    }

    tSDP_DI_RECORD record;
    record.vendor =
        config_get_int(*config, section_name, "vendorId", LMP_COMPID_GOOGLE);
    record.vendor_id_source = config_get_int(
        *config, section_name, "vendorIdSource", DI_VENDOR_ID_SOURCE_BTSIG);
    record.product = config_get_int(*config, section_name, "productId", 0);
    record.version = config_get_int(*config, section_name, "version", 0);
    record.primary_record =
        config_get_bool(*config, section_name, "primaryRecord", false);
    std::string empty = "";
    strlcpy(
        record.client_executable_url,
        config_get_string(*config, section_name, "clientExecutableURL", &empty)
            ->c_str(),
        sizeof(record.client_executable_url));
    strlcpy(
        record.service_description,
        config_get_string(*config, section_name, "serviceDescription", &empty)
            ->c_str(),
        sizeof(record.service_description));
    strlcpy(record.documentation_url,
            config_get_string(*config, section_name, "documentationURL", &empty)
                ->c_str(),
            sizeof(record.documentation_url));

    if (record.vendor_id_source != DI_VENDOR_ID_SOURCE_BTSIG &&
        record.vendor_id_source != DI_VENDOR_ID_SOURCE_USBIF) {
      LOG_ERROR("%s invalid vendor id source %d; ignoring DID record %d.",
                __func__, record.vendor_id_source, i);
      continue;
    }

    LOG_INFO("Device ID record %d : %s", i,
             (record.primary_record ? "primary" : "not primary"));
    LOG_INFO("  vendorId            = %04x", record.vendor);
    LOG_INFO("  vendorIdSource      = %04x", record.vendor_id_source);
    LOG_INFO("  product             = %04x", record.product);
    LOG_INFO("  version             = %04x", record.version);
    LOG_INFO("  clientExecutableURL = %s", record.client_executable_url);
    LOG_INFO("  serviceDescription  = %s", record.service_description);
    LOG_INFO("  documentationURL    = %s", record.documentation_url);

    uint32_t record_handle;
    tBTA_STATUS status = BTA_DmSetLocalDiRecord(&record, &record_handle);
    if (status != BTA_SUCCESS) {
      LOG_ERROR("%s unable to set device ID record %d: error %d.", __func__, i,
                status);
    }
  }
}