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HAProxy - Load balancer
5053e89142
HTTP/2 demux must be handled with care for active reverse connection. Until accept has been completed, it should be forbidden to handle HEADERS frame as session is not yet ready to handle streams. To implement this, use the flag H2_CF_DEM_TOOMANY which blocks demux process. This flag is automatically set just after conn_reverse() invocation. The flag is removed on rev_accept_conn() callback via a new H2 ctl enum. H2 tasklet is woken up to restart demux process. As a side-effect, reporting in H2 mux may be blocked as demux functions are used to convert error status at the connection level with CO_FL_ERROR. To ensure error is reported for a reverse connection, check h2c_is_dead() specifically for this case in h2_wake(). This change also has its own side-effect : h2c_is_dead() conditions have been adjusted to always exclude !h2c->conn->owner condition which is always true for reverse connection or else H2 mux may kill them unexpectedly. |
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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)