ot::Coap::Message::AppendObserveOption() method

Appends an Observe option.

Syntax

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Summary

Declaration

from coap_message.hpp:425

Error AppendObserveOption(uint32_t aObserve);

Arguments

Argument

Description

aObserve

Observe field value.

Return value

kErrorNone Successfully appended the option. kErrorInvalidArgs The option type is not equal or greater than the last option type. kErrorNoBufs The option length exceeds the buffer size.

References

Code

Location

Referrer

Error AppendObserveOption(uint32_t aObserve) { return AppendUintOption(kOptionObserve, aObserve & kObserveMask); }

coap_message.hpp:425

return AsCoapMessage(aMessage).AppendObserveOption(aObserve);

coap_api.cpp:90

otCoapMessageAppendObserveOption()

Call Tree

ot::Coap::Message::AppendObserveOption() is called by 1 function and calls 1 function:

otCoapMessageAppendObserveOption()

ot::Coap::Message::AppendObserveOption()

ot::Coap::Message::AppendUintOption()

Data Use

ot::Coap::Message::AppendObserveOption() reads 2 variables:

ot::Coap::OptionNumber::kOptionObserve

ot::Coap::Message::kObserveMask

ot::Coap::Message::AppendObserveOption()

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