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2023-12-15Add timeout to cowboy_loopjdamanalo
LH: I have added a test that does both hibernate and timeout and fixed a related issue. I also tweaked the docs and tests.
2023-12-12Handle socket errors in HTTP/1.1 and HTTP/2Loïc Hoguin
Doing so will let us notice when the connection is gone instead of waiting for timeouts, at least in the cases where the remote socket was closed properly. Timeouts are still needed in case of TCP half-open problems. This change means that the order of stream handler commands is more important than before because socket errors may occur during the processing of commands.
2023-12-07Fix position of rate_limited/2 callback in REST workflow guideLoïc Hoguin
2023-12-07Fix Websocket subprotocol exampleLoïc Hoguin
2023-12-06Fix typos in documentationKian-Meng, Ang
2023-12-06Add 'max_cancel_stream_rate' config for the rapid reset attackViktor Söderqvist
Co-authored-by: Björn Svensson <[email protected]>
2023-05-02Fix Ranch link in user guideLoïc Hoguin
2023-04-28Cowboy 2.10.02.10.0Loïc Hoguin
2021-05-12Cowboy 2.9.02.9.0Loïc Hoguin
2021-04-24Two more HTTP specsLoïc Hoguin
2020-11-27AcceptCallback may now return created/see_other tuples for POSTMartin Björklund
They replace and deprecate the {true,URI} return value.
2020-11-27Graceful shutdownViktor Söderqvist
Note: This commit makes cowboy depend on cowlib master. Graceful shutdown for HTTP/2: 1. A GOAWAY frame with the last stream id set to 2^31-1 is sent and a timer is started (goaway_initial_timeout, default 1000ms), to wait for any in-flight requests sent by the client, and the status is set to 'closing_initiated'. If the client responds with GOAWAY and closes the connection, we're done. 2. A second GOAWAY frame is sent with the actual last stream id and the status is set to 'closing'. If no streams exist, the connection terminates. Otherwise a second timer (goaway_complete_timeout, default 3000ms) is started, to wait for the streams to complete. New streams are not accepted when status is 'closing'. 3. If all streams haven't completed after the second timeout, the connection is forcefully terminated. Graceful shutdown for HTTP/1.x: 1. If a request is currently being handled, it is waited for and the response is sent back to the client with the header "Connection: close". Then, the connection is closed. 2. If the current request handler is not finished within the time configured in transport option 'shutdown' (default 5000ms), the connection process is killed by its supervisor (ranch). Implemented for HTTP/1.x and HTTP/2 in the following scenarios: * When receiving exit signal 'shutdown' from the supervisor (e.g. when cowboy:stop_listener/3 is called). * When a connection process is requested to terminate using sys:terminate/2,3. LH: Edited tests a bit and added todos for useful tests to add.
2020-08-19Minor grammar correctionsThomas Sciaroni
Verb agreement error "The request process executes middlewares which, by default, including the router and then the execution of handlers." -> "The request process executes middlewares. By default, the request process executes the router and then the handlers." Adverbial clause at beginning of sentence needs comma "By default Cowboy comes..." -> "By default, Cowboy comes..."
2020-07-01Tweak a sentence in the guideLoïc Hoguin
Thanks Tamir Halperin for pointing this out. [skip ci]
2020-05-28Fix the cowboy_req:inform/3 example in the manualLoïc Hoguin
2020-05-21Cowboy 2.8.0Loïc Hoguin
2020-05-20Increase the default max_keepalive HTTP option to 1000Loïc Hoguin
100 is very low for current deployments. 1000 is more appropriate as a default value.
2020-05-20Clarify the routing algorithmLoïc Hoguin
2020-04-08Document the HTTP/2 linger_timeout optionLoïc Hoguin
2020-04-08Clarify that protocol opts may be defined by stream handlersLoïc Hoguin
2020-03-30Add more headers to cowboy_req:parse_header/2,3Loïc Hoguin
2020-03-29Increase the default max_received_frame_rateLoïc Hoguin
Allow 10000 frames every 10 seconds instead of just 1000, as the limit was too quickly reached in some deployments.
2020-03-29Add more specificationsLoïc Hoguin
2020-02-08Add Trace Context to the list of specsLoïc Hoguin
2020-02-08Clarify modifying/adding to the Req objectLoïc Hoguin
2020-01-06Fix cowboy_req:parse_header manual for unknown headersLoïc Hoguin
2020-01-06Add a skeleton performance chapter to the guideLoïc Hoguin
2020-01-06Use active,NLoïc Hoguin
This reduces the number of times we need to ask for more packets, and as a result we get a fairly large boost in performance, especially with HTTP/1.1. Unfortunately this makes Cowboy require at least Erlang/OTP 21.3+ because the ssl application did not have active,N. For simplicity the version required will be Erlang/OTP 22+. In addition this change improves hibernate handling in cowboy_websocket. Hibernate will now work for HTTP/2 transport as well, and stray or unrelated messages will no longer cancel hibernate (the process will handle the message and go back into hibernation). Thanks go to Stressgrid for benchmarking an early version of this commit: https://stressgrid.com/blog/cowboy_performance_part_2/
2019-12-31No longer use erlang:get_stacktrace/0Loïc Hoguin
It has been deprecated in OTP and the new way is available on all supported OTP versions.
2019-12-31Add new RFCs to the listLoïc Hoguin
2019-10-10Cowboy 2.7.0Loïc Hoguin
2019-10-10Fix a number of low hanging todosLoïc Hoguin
2019-10-10Add shutdown_reason Websocket commandLoïc Hoguin
This allows changing the normal exit reason of Websocket processes, providing a way to signal other processes of why the exit occurred.
2019-10-09Implement flow control for HTTP/1.1Loïc Hoguin
We now stop reading from the socket unless asked to, when we reach the request body. The option initial_stream_flow_size controls how much data we read without being asked, as an optimization. We may also have received additional data along with the request headers. This commit also reworks the timeout handling for HTTP/1.1 because the stray timeout message was easily reproducible after implementing the flow control. The issue should be gone for good this time.
2019-10-07Add migration guide for Cowboy 2.7Loïc Hoguin
2019-10-07Add new stream handlers to the guideLoïc Hoguin
Also link from the guide to manual pages.
2019-10-07Document no date/server headers from response/headers commandsLoïc Hoguin
2019-10-07Add cowboy_req:cast/2Loïc Hoguin
Better than sending messages manually.
2019-10-07Document the set_options stream handler commandLoïc Hoguin
2019-10-07Document the log stream handler commandLoïc Hoguin
2019-10-07Document the logger optionLoïc Hoguin
2019-10-07Document cowboy_tracer_hLoïc Hoguin
2019-10-07Document cowboy_metrics_hLoïc Hoguin
2019-10-06Document the commands based Websocket interfaceLoïc Hoguin
The old interface with ok|reply|stop tuples is deprecated.
2019-10-06Fix PUT when resource doesn't exist in flowchartLoïc Hoguin
This required moving around a lot of things so hopefully I did not add errors while doing so. Only time will tell. Also add the 415 that can result from content_types_accepted.
2019-10-06Document how to recover from cookie parsing errorsLoïc Hoguin
2019-10-05Add Websocket option validate_utf8Loïc Hoguin
This allows disabling the UTF-8 validation check for text and close frames.
2019-10-05Fix REST flowchart around 201 response for PUTLoïc Hoguin
When the method is PUT we do not check the location header.
2019-10-05Add cowboy_req:filter_cookies/2Loïc Hoguin
2019-10-03Document media type wildcard in content_types_acceptedLoïc Hoguin
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