149 lines
3.9 KiB
C++
149 lines
3.9 KiB
C++
/*
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* BLEDescriptorMap.cpp
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*
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* Created on: Jun 22, 2017
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* Author: kolban
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*/
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#include "sdkconfig.h"
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#if defined(CONFIG_BT_ENABLED)
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#include <sstream>
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#include <iomanip>
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#include "BLECharacteristic.h"
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#include "BLEDescriptor.h"
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#include <esp_gatts_api.h> // ESP32 BLE
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#ifdef ARDUINO_ARCH_ESP32
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#include "esp32-hal-log.h"
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#endif
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/**
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* @brief Return the descriptor by UUID.
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* @param [in] UUID The UUID to look up the descriptor.
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* @return The descriptor. If not present, then nullptr is returned.
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*/
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BLEDescriptor* BLEDescriptorMap::getByUUID(const char* uuid) {
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return getByUUID(BLEUUID(uuid));
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}
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/**
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* @brief Return the descriptor by UUID.
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* @param [in] UUID The UUID to look up the descriptor.
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* @return The descriptor. If not present, then nullptr is returned.
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*/
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BLEDescriptor* BLEDescriptorMap::getByUUID(BLEUUID uuid) {
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for (auto &myPair : m_uuidMap) {
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if (myPair.first->getUUID().equals(uuid)) {
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return myPair.first;
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}
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}
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//return m_uuidMap.at(uuid.toString());
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return nullptr;
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} // getByUUID
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/**
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* @brief Return the descriptor by handle.
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* @param [in] handle The handle to look up the descriptor.
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* @return The descriptor.
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*/
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BLEDescriptor* BLEDescriptorMap::getByHandle(uint16_t handle) {
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return m_handleMap.at(handle);
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} // getByHandle
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/**
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* @brief Set the descriptor by UUID.
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* @param [in] uuid The uuid of the descriptor.
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* @param [in] characteristic The descriptor to cache.
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* @return N/A.
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*/
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void BLEDescriptorMap::setByUUID(const char* uuid, BLEDescriptor* pDescriptor){
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m_uuidMap.insert(std::pair<BLEDescriptor*, std::string>(pDescriptor, uuid));
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} // setByUUID
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/**
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* @brief Set the descriptor by UUID.
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* @param [in] uuid The uuid of the descriptor.
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* @param [in] characteristic The descriptor to cache.
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* @return N/A.
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*/
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void BLEDescriptorMap::setByUUID(BLEUUID uuid, BLEDescriptor* pDescriptor) {
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m_uuidMap.insert(std::pair<BLEDescriptor*, std::string>(pDescriptor, uuid.toString()));
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} // setByUUID
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/**
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* @brief Set the descriptor by handle.
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* @param [in] handle The handle of the descriptor.
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* @param [in] descriptor The descriptor to cache.
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* @return N/A.
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*/
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void BLEDescriptorMap::setByHandle(uint16_t handle, BLEDescriptor* pDescriptor) {
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m_handleMap.insert(std::pair<uint16_t, BLEDescriptor*>(handle, pDescriptor));
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} // setByHandle
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/**
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* @brief Return a string representation of the descriptor map.
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* @return A string representation of the descriptor map.
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*/
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std::string BLEDescriptorMap::toString() {
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std::string res;
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char hex[5];
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int count = 0;
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for (auto &myPair : m_uuidMap) {
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if (count > 0) {res += "\n";}
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snprintf(hex, sizeof(hex), "%04x", myPair.first->getHandle());
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count++;
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res += "handle: 0x";
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res += hex;
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res += ", uuid: " + myPair.first->getUUID().toString();
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}
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return res;
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} // toString
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/**
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* @breif Pass the GATT server event onwards to each of the descriptors found in the mapping
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* @param [in] event
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* @param [in] gatts_if
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* @param [in] param
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*/
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void BLEDescriptorMap::handleGATTServerEvent(
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esp_gatts_cb_event_t event,
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esp_gatt_if_t gatts_if,
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esp_ble_gatts_cb_param_t* param) {
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// Invoke the handler for every descriptor we have.
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for (auto &myPair : m_uuidMap) {
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myPair.first->handleGATTServerEvent(event, gatts_if, param);
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}
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} // handleGATTServerEvent
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/**
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* @brief Get the first descriptor in the map.
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* @return The first descriptor in the map.
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*/
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BLEDescriptor* BLEDescriptorMap::getFirst() {
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m_iterator = m_uuidMap.begin();
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if (m_iterator == m_uuidMap.end()) return nullptr;
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BLEDescriptor* pRet = m_iterator->first;
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m_iterator++;
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return pRet;
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} // getFirst
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/**
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* @brief Get the next descriptor in the map.
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* @return The next descriptor in the map.
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*/
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BLEDescriptor* BLEDescriptorMap::getNext() {
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if (m_iterator == m_uuidMap.end()) return nullptr;
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BLEDescriptor* pRet = m_iterator->first;
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m_iterator++;
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return pRet;
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} // getNext
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#endif /* CONFIG_BT_ENABLED */
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