package mnet
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sha256=92b1cfec8487423090ed7abedee824ca20db86f1a7af7e308b4118bc0f774e03
sha512=ce7685c363581121c7d8ae0c33d7dff30ee2dd9dcd29d56f451ac3261b84a91d35a2fa65b31f1f321ddc4b5984e21840459c63614e81ee814f47ac24376bf018
doc/mnet.ipv4/IPv4/Writer/index.html
Module IPv4.WriterSource
Efficient IPv4 payload composition.
A t value represents a payload to be sent in an IPv4 packet. Three constructors are provided depending on whether the data is already in memory as a string, as multiple strings, or should be written directly into the outgoing buffer. The writer handles fragmentation transparently when the payload exceeds the path MTU.
of_string ipv4 str creates a writer that sends str as the payload.
of_strings ipv4 strs creates a writer that sends the concatenation of strs as the payload. This avoids copying the strings into a single buffer.
into ipv4 ~len fn creates a writer that fills the payload by calling fn buf, where buf is a buffer of size len positioned after the IPv4 header. This is the zero-copy path for upper-layer protocols (like UDP's UDP.sendfn) that can write directly into the outgoing frame.