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38e6006da1
Implement a basic state machine to represent stream lifecycle. By default a stream is idle. It is marked as open when sending or receiving the first data on a stream. Bidirectional streams has two states to represent the closing on both receive and send channels. This distinction does not exists for unidirectional streams which passed automatically from open to close state. This patch is mostly internal and has a limited visible impact. Some behaviors are slightly updated : * closed streams are garbage collected at the start of io handler * send operation is interrupted if a stream is close locally Outside of this, there is no functional change. However, some additional BUG_ON guards are implemented to ensure that we do not conduct invalid operation on a stream. This should strengthen the code safety. Also, stream states are displayed on trace which should help debugging.
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)