NET_PRES_SocketWriteIsReady Function

C

uint16_t NET_PRES_SocketWriteIsReady(NET_PRES_SKT_HANDLE_T handle, uint16_t reqSize, uint16_t minSize);

Returns

The number of bytes available in the TX buffer:

  • >= reqSize - If the requested space is available in the output buffer

  • >= minSize - I there's at least this minimum space (minSize != 0)

  • 0 - Requested (minimum) space cannot be granted

Description

This function calls the transport or the encryption layer's WriteIsReady, if it exists.

Preconditions

A socket needs to have been opened by NET_PRES_SocketOpen.

Parameters

ParametersDescription
handlePresentation layer socket handle.
reqSizeWrite size to check for.
minSizeMinimum size that could be guaranteed. Could be '0' if not needed.