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path: root/test/http_SUITE_data/http_stream_body.erl
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2014-09-26Unify the init and terminate callbacksLoïc Hoguin
This set of changes is the first step to simplify the writing of handlers, by removing some extraneous callbacks and making others optional. init/3 is now init/2, its first argument being removed. rest_init/2 and rest_terminate/2 have been removed. websocket_init/3 and websocket_terminate/3 have been removed. terminate/3 is now optional. It is called regardless of the type of handler, including rest and websocket. The return value of init/2 changed. It now returns {Mod, Req, Opts} with Mod being either one of the four handler type or a custom module. It can also return extra timeout and hibernate options. The signature for sub protocols has changed, they now receive these extra timeout and hibernate options. Loop handlers are now implemented in cowboy_long_polling, and will be renamed throughout the project in a future commit.
2014-09-23Breaking update of the cowboy_req interfaceLoïc Hoguin
Simplify the interface for most cowboy_req functions. They all return a single value except the four body reading functions. The reply functions now only return a Req value. Access functions do not return a Req anymore. Functions that used to cache results do not have a cache anymore. The interface for accessing query string and cookies has therefore been changed. There are now three query string functions: qs/1 provides access to the raw query string value; parse_qs/1 returns the query string as a list of key/values; match_qs/2 returns a map containing the values requested in the second argument, after applying constraints and default value. Similarly, there are two cookie functions: parse_cookies/1 and match_cookies/2. More match functions will be added in future commits. None of the functions return an error tuple anymore. It either works or crashes. Cowboy will attempt to provide an appropriate status code in the response of crashed handlers. As a result, the content decode function has its return value changed to a simple binary, and the body reading functions only return on success.
2013-04-26Add chunked response body funJames Fish
Adds a new type of streaming response fun. It can be set in a similar way to a streaming body fun with known length: Req2 = cowboy_req:set_resp_body_fun(chunked, StreamFun, Req) The fun, StreamFun, should accept a fun as its single argument. This fun, ChunkFun, is used to send chunks of iodata: ok = ChunkFun(IoData) ChunkFun should not be called with an empty binary or iolist as this will cause HTTP 1.1 clients to believe the stream is over. The final (0 length) chunk will be sent automatically - even if it has already been sent - assuming no exception is raised. Also note that the connection will close after the last chunk for HTTP 1.0 clients.
2013-04-24Reorganize the http test suiteLoïc Hoguin