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ot::Coap::TxParameters class
Represents the CoAP transmission parameters.
Syntax
class TxParameters : public otCoapTxParameters
{
friend class CoapBase;
friend class ResponsesQueue;
public:
static const TxParameters &From(const otCoapTxParameters *aTxParameters)
{
return aTxParameters ? *static_cast<const TxParameters *>(aTxParameters) : GetDefault();
}
bool IsValid(void) const;
static const TxParameters &GetDefault(void) { return static_cast<const TxParameters &>(kDefaultTxParameters); }
private:
static constexpr uint32_t kDefaultAckTimeout = 2000;
static constexpr uint8_t kDefaultAckRandomFactorNumerator = 3;
static constexpr uint8_t kDefaultAckRandomFactorDenominator = 2;
static constexpr uint8_t kDefaultMaxRetransmit = 4;
static constexpr uint32_t kDefaultMaxLatency = 100000;
uint32_t CalculateInitialRetransmissionTimeout(void) const;
uint32_t CalculateExchangeLifetime(void) const;
uint32_t CalculateMaxTransmitWait(void) const;
uint32_t CalculateSpan(uint8_t aMaxRetx) const;
static const otCoapTxParameters kDefaultTxParameters;
};
Fields
Related Functions
Found 2 other functions taking a TxParameters
argument:
Function
Description
Sends a CoAP message with custom transmission parameters. If a response for a request is expected, respective function and context information should be provided. If no response is expected, these arguments should be `nullptr` pointers. If Message ID was not set in the header (equal to 0), this method will assign unique Message ID to the message.
Adds a given response to the cache. If matching response (the same Message ID, source endpoint address and port) exists in the cache given response is not added. The CoAP response is copied before it is added to the cache.
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