PL::MdnsClient class

class MdnsClient : public PL::Lockable

mDNS client class

Public Functions

inline MdnsClient()

Creates an mDNS client.

virtual esp_err_t Lock(TickType_t timeout = portMAX_DELAY) override

Locks the object.

Parameters:

timeout – timeout in FreeRTOS ticks

Returns:

error code

virtual esp_err_t Unlock() override

Unlocks the object.

Returns:

error code

esp_err_t DnsSdQuery(const std::string &type, const std::string &protocol, size_t maxNumberOfInstances, const std::string &instanceName, std::vector<MdnsServiceInstanceInfo> &serviceInstancesInfo)

Discovers services using a DNS-SD query.

Parameters:

  • type – service type (_http, _ftp, etc)

  • protocol – service protocol (_tcp, _udp)

  • maxNumberOfInstances – maximum number of service instances to discover

  • instanceName – if not empty - only the services that contain this string in the name are returned

  • timeout – query timeout in FreeRTOS ticks

  • serviceInstancesInfo – discovered services

Returns:

error code

TickType_t GetReadTimeout()

Gets the read operation timeout.

Returns:

timeout in FreeRTOS ticks

esp_err_t SetReadTimeout(TickType_t timeout)

Sets the read operation timeout.

Parameters:

timeout – timeout in FreeRTOS ticks

Returns:

error code

Public Static Attributes

static const TickType_t defaultReadTimeout = 300 / portTICK_PERIOD_MS

Default read operation timeout in FreeRTOS ticks.