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055e82657e
This function is called only when probing only one packet number space (Handshake) or two times the same one (Application). So, there is no risk to prepare two times the same frame when uneeded because we wanted to probe two packet number spaces. The condition "ignore the packets which has been coalesced to another one" is not necessary. More importantly the bug is when we want to prepare a Application packet which has been coalesced to an Handshake packet. This is always the case when the first Application packet is sent. It is always coalesced to an Handshake packet with an ACK frame. So, when lost, this first application packet was never resent. It contains the HANDSHAKE_DONE frame to confirm the completion of the handshake to the client. Must be backported to 2.6 and 2.7.
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)