BLECharacteristicMap.cpp

/*
 * BLECharacteristicMap.cpp
 *
 *  Created on: Jun 22, 2017
 *      Author: kolban
 */
#include "soc/soc_caps.h"
#if SOC_BLE_SUPPORTED

#include "sdkconfig.h"
#if defined(CONFIG_BLUEDROID_ENABLED)
#include <sstream>
#include <iomanip>
#include "BLEService.h"
#ifdef ARDUINO_ARCH_ESP32
#include "esp32-hal-log.h"
#endif


/**
 * @brief Return the characteristic by handle.
 * @param [in] handle The handle to look up the characteristic.
 * @return The characteristic.
 */
BLECharacteristic* BLECharacteristicMap::getByHandle(uint16_t handle) {
  return m_handleMap.at(handle);
} // getByHandle


/**
 * @brief Return the characteristic by UUID.
 * @param [in] UUID The UUID to look up the characteristic.
 * @return The characteristic.
 */
BLECharacteristic* BLECharacteristicMap::getByUUID(const char* uuid) {
    return getByUUID(BLEUUID(uuid));
}


/**
 * @brief Return the characteristic by UUID.
 * @param [in] UUID The UUID to look up the characteristic.
 * @return The characteristic.
 */
BLECharacteristic* BLECharacteristicMap::getByUUID(BLEUUID uuid) {
  for (auto &myPair : m_uuidMap) {
    if (myPair.first->getUUID().equals(uuid)) {
      return myPair.first;
    }
  }
  //return m_uuidMap.at(uuid.toString());
  return nullptr;
} // getByUUID


/**
 * @brief Get the first characteristic in the map.
 * @return The first characteristic in the map.
 */
BLECharacteristic* BLECharacteristicMap::getFirst() {
  m_iterator = m_uuidMap.begin();
  if (m_iterator == m_uuidMap.end()) return nullptr;
  BLECharacteristic* pRet = m_iterator->first;
  m_iterator++;
  return pRet;
} // getFirst


/**
 * @brief Get the next characteristic in the map.
 * @return The next characteristic in the map.
 */
BLECharacteristic* BLECharacteristicMap::getNext() {
  if (m_iterator == m_uuidMap.end()) return nullptr;
  BLECharacteristic* pRet = m_iterator->first;
  m_iterator++;
  return pRet;
} // getNext


/**
 * @brief Pass the GATT server event onwards to each of the characteristics found in the mapping
 * @param [in] event
 * @param [in] gatts_if
 * @param [in] param
 */
void BLECharacteristicMap::handleGATTServerEvent(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t* param) {
  // Invoke the handler for every Service we have.
  for (auto& myPair : m_uuidMap) {
    myPair.first->handleGATTServerEvent(event, gatts_if, param);
  }
} // handleGATTServerEvent


/**
 * @brief Set the characteristic by handle.
 * @param [in] handle The handle of the characteristic.
 * @param [in] characteristic The characteristic to cache.
 * @return N/A.
 */
void BLECharacteristicMap::setByHandle(uint16_t handle, BLECharacteristic* characteristic) {
  m_handleMap.insert(std::pair<uint16_t, BLECharacteristic*>(handle, characteristic));
} // setByHandle


/**
 * @brief Set the characteristic by UUID.
 * @param [in] uuid The uuid of the characteristic.
 * @param [in] characteristic The characteristic to cache.
 * @return N/A.
 */
void BLECharacteristicMap::setByUUID(BLECharacteristic* pCharacteristic, BLEUUID uuid) {
  m_uuidMap.insert(std::pair<BLECharacteristic*, String>(pCharacteristic, uuid.toString()));
} // setByUUID


/**
 * @brief Return a string representation of the characteristic map.
 * @return A string representation of the characteristic map.
 */
String BLECharacteristicMap::toString() {
  String res;
  int count = 0;
  char hex[5];
  for (auto &myPair: m_uuidMap) {
    if (count > 0) {res += "\n";}
    snprintf(hex, sizeof(hex), "%04x", myPair.first->getHandle());
    count++;
    res += "handle: 0x";
    res += hex;
    res += ", uuid: " + myPair.first->getUUID().toString();
  }
  return res;
} // toString


#endif /* CONFIG_BLUEDROID_ENABLED */
#endif /* SOC_BLE_SUPPORTED */