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2017-11-17Initialize trace patterns only onceLoïc Hoguin
They are global for the node for all future call trace flags, so it's not necessary to set them repeatedly with every request. Doing it once at startup also ensures we can't have race conditions when the user wants to change which trace patterns should be used (because requests are concurrent and patterns end up overwriting themselves repeatedly), and makes this changing of trace patterns much more straightforward: the user can just define the ones they want. The default function traces everything. In addition I have also added the tracer_flags option to make the trace flags configurable, excluding the tracer pid.
2017-11-15Add preliminary support for trailers in responsesLoïc Hoguin
This depends on changes in Cowlib that are only available on master.
2017-11-10Keep the state returned by the tracer callbackLoïc Hoguin
It was mistakenly discarded.
2017-11-03Add a terminate event to the tracer and more testsLoïc Hoguin
2017-11-01Fix stream_handler_SUITE test failuresLoïc Hoguin
2017-11-01Don't crash when cowboy_clock is not runningLoïc Hoguin
This can happen normally when Cowboy is restarted, for example. Instead of failing requests when that happens, we degrade gracefully and do a little more work to provide the current date header.
2017-11-01Add {switch_handler, Module} return value to cowboy_restLoïc Hoguin
Also {switch_handler, Module, Opts}. Allows switching to a different handler type. This is particularly useful for processing most of the request with cowboy_rest and then streaming the response body using cowboy_loop.
2017-11-01Fix two edge cases for cowboy_req:stream_bodyLoïc Hoguin
Sending data of size 0 with the fin flag set resulted in nothing being sent to the client and still considering the response to be finished for HTTP/1.1. For both HTTP/1.1 and HTTP/2, the final chunk of body that is sent automatically by Cowboy at the end of a response that the user did not properly terminate was not passing through stream handlers. This resulted in issues like compression being incorrect. Some tests still fail under 20.1.3. They are due to recent zlib changes and should be fixed in a future patch release. Unfortunately it does not seem to be any 20.1 version that is safe to use for Cowboy, although some will work better than others.
2017-10-31Add some todosLoïc Hoguin
2017-10-31Fix a unused warningLoïc Hoguin
2017-10-31Fix broken tests in loop_handler_SUITELoïc Hoguin
2017-10-31Fix the static_handler test suiteLoïc Hoguin
Bad requests correctly return 400, not 500.
2017-10-31Add informational responses to metricsLoïc Hoguin
2017-10-30Handle expect: 100-continue request headersLoïc Hoguin
The 100 continue response will only be sent if the client has not sent the body yet (at all), if the connection is HTTP/1.1 or above and if the user has not sent it yet. The 100 continue response is sent when the user calls read_body and it is cowboy_stream_h's responsibility to send it. This means projects that don't use the cowboy_stream_h stream handler will need to handle the expect header themselves (but that's okay because they might have different considerations than normal Cowboy).
2017-10-29Add cowboy_req:inform/2,3Loïc Hoguin
User code can now send as many 1xx responses as necessary.
2017-10-27Add cowboy_tracer_h stream handlerLoïc Hoguin
Another experimental stream handler. It enables tracing for the connection process and any children processes based on the matching of the request. It can be used to do ad-hoc tracing by sending a specific header, path, method or other. It is meant to be used both for tests and production. Some configuration scenarios are NOT safe for production, beware. It's important to understand that, at this time, tracing is enabled on the scale of the entire connection including any future request processes. Keep this in mind when trying to use it in production. The only way to stop tracing is by having the callback function exit (by calling exit/1 explicitly). This can be done after a certain number of events for example. Tracing can generate a lot of events, so it's a good idea to stop after a small number of events (between 1000 and 10000 should be good) and to avoid tracing the whole world. Documentation will follow at a later time.
2017-10-25Introduce cowboy_req:sock/1 and cowboy_req:cert/1Loïc Hoguin
To obtain the local socket ip/port and the client TLS certificate, respectively.
2017-10-23Fix a bug in HTTP/2 where connection gets closed prematurelyLoïc Hoguin
When the user code was sending a response fully without reading the request body, the connection could get closed when receiving DATA frames for that body. We now ask the client to stop sending data via a NO_ERROR RST_STREAM, and linger any stream that has been reset so that we can skip any pending frames from that stream. This fixes a number of intermittent failures in req_SUITE, which now passes reliably. In addition a small number of rfc7540_SUITE test cases have been corrected as they were incorrect.
2017-10-22Add a metrics test for switching to WebsocketLoïc Hoguin
2017-10-22Ensure stream terminate is called when switching protocolsLoïc Hoguin
2017-10-21Add a test for stream_reply metricsLoïc Hoguin
2017-10-21Add a test for early_error metricsLoïc Hoguin
2017-10-21Add a metrics test when the handler didn't send anythingLoïc Hoguin
Also fix a test group to use h2 instead of HTTP/1.1.
2017-10-20Add a test for metrics with a request bodyLoïc Hoguin
2017-10-20Add experimental metrics stream handlerLoïc Hoguin
It collects metrics and passes them to a configurable callback once the stream terminates. It will be documented in a future release. More tests incoming.
2017-10-20Fix HTTP/1.1 stopping streams too earlyLoïc Hoguin
It is possible in some cases to move on to the next request without waiting, but that can be done as an optimization later on if necessary.
2017-10-03Make sure a path parsing error in the router gives a 400Loïc Hoguin
2017-10-02Fix cowboy:set_env when the env value is missingLoïc Hoguin
2017-10-02Fix infinite loop on incomplete multipart bodyJeffrey Griffin
I have amended a lot of changes from the original commit to make it behave as expected, including returning a 400 error. LH
2017-09-27Fix error response when constraint validation failsLoïc Hoguin
2017-09-27Ensure the behavior on stream handler crash is consistentLoïc Hoguin
Also corrects the lack of error response when HTTP/1.1 is used.
2017-09-14Improve how we detect request errorsLoïc Hoguin
When the request process exits with a {request_error, Reason, Human} exit reason, Cowboy will return a 400 status code instead of 500. Cowboy may also return a more specific status code depending on the error. Currently it may also return 408 or 413. This should prove to be more solid that looking inside the stack trace.
2017-09-05Add tests for direct Req accessLoïc Hoguin
2017-09-04Accept sendfile tuple with 0 length in cowboy_reqLoïc Hoguin
This will result in no data being sent. It's simply easier to do this than to have to handle 0 size cases in user code.
2017-09-04Add a static handler test with an empty fileLoïc Hoguin
2017-09-04Alphabetical order some testsLoïc Hoguin
2017-08-14Add tests for the streams shutdown mechanismLoïc Hoguin
2017-07-14Fix the remaining http_SUITE test casesLoïc Hoguin
2017-07-13Fix more of the older testsLoïc Hoguin
The Cowboy behavior has changed a little and gives more accurate error responses now. And in some cases, successes.
2017-07-12Fix a few of the older testsLoïc Hoguin
2017-07-12Remove tests for set_resp_body with a stream funLoïc Hoguin
2017-07-12Remove any mention of the waiting_stream hackLoïc Hoguin
2017-07-12Remove the onresponse tests from http_SUITELoïc Hoguin
2017-06-28Remove outdated multipart testsLoïc Hoguin
They have equivalents in req_SUITE.
2017-06-09Make cowboy_req:read_part return multipart headers as mapLoïc Hoguin
2017-06-07Remove NumAcceptors argument from start_clear/tlsLoïc Hoguin
They are now cowboy:start_clear/3 and cowboy:start_tls/3. The NumAcceptors argument can be specified via the num_acceptor transport option. Ranch has been updated to 1.4.0 to that effect.
2017-06-02Fix terminate not being called on connection close in HTTP/1.1Loïc Hoguin
Introduces the new stream_handler_SUITE test suite. More cases will be added later on.
2017-05-28Introduce the req_filter Websocket optionLoïc Hoguin
This option allows customizing the compacting of the Req object when using Websocket. By default it will keep most public fields excluding headers of course, since those can be large.
2017-05-23Fix a harmless warning in testsLoïc Hoguin
2017-05-23Add many tests for RFC7540 5.1 and 5.1.1 and related fixesLoïc Hoguin