diff options
| -rw-r--r-- | CHANGELOG.md | 293 | ||||
| -rw-r--r-- | ROADMAP.md | 22 |
2 files changed, 154 insertions, 161 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md index c568d2e..2f4fc12 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -4,29 +4,28 @@ CHANGELOG next ---- -* This release drops R14 compatibility + * This release drops R14 compatibility -* Add CONTRIBUTING.md file + * Add CONTRIBUTING.md file -* Use Ranch for connection handling + * Use Ranch for connection handling To start listeners you can now use cowboy:start_http/4 for HTTP, and cowboy:start_https/4 for HTTPS. The proper transport and protocol modules will be used. -* Add a dependency on crypto + * Add a dependency on crypto -* Remove implicit dependency on inets + * Remove implicit dependency on inets -* Shorten the name of many modules + * Shorten the name of many modules + * cowboy_http_protocol becomes cowboy_protocol + * cowboy_http_req becomes cowboy_req + * cowboy_http_rest becomes cowboy_rest + * cowboy_http_static becomes cowboy_static + * cowboy_http_websocket becomes cowboy_websocket - * cowboy_http_protocol becomes cowboy_protocol. - * cowboy_http_req becomes cowboy_req. - * cowboy_http_rest becomes cowboy_rest. - * cowboy_http_static becomes cowboy_static. - * cowboy_http_websocket becomes cowboy_websocket. - -* Introduce the cowboy_req:req() opaque type + * Introduce the cowboy_req:req() opaque type The include/http.hrl file was removed. Users are expected to use the cowboy_req API to access or modify the Req object. @@ -34,101 +33,95 @@ next This required a lot of changes so cleanup and optimization were performed where possible. -* Add many cowboy_req functions - - * cowboy_req:delete_resp_header/2 deletes a previously set resp header. - * cowboy_req:set_meta/3 sets metadata in the Req object. - * cowboy_req:to_list/1 converts the Req object to a list of key/values. - * cowboy_req:fragment/1 returns the request URL fragment. - * cowboy_req:host_url/1 returns the request URL without the path or qs. - * cowboy_req:url/1 returns the full request URL. - -* Rename or drop many cowboy_req functions - - * Replace cowboy_req:host/1 with cowboy_req:raw_host/1. - * Replace cowboy_req:path/1 with cowboy_req:raw_path/1. - * cowboy_req:raw_qs/1 becomes cowboy_req:qs/1. - -* Change the signature of many cowboy_req functions - - * parse_header now returns {ok, any(), Req} instead of {any(), Req}. - * body_qs now returns {ok, QsVals, Req} instead of {QsVals, Req}. - * multipart_data now returns {headers, Headers, Req} instead of + * Add many cowboy_req functions + * cowboy_req:delete_resp_header/2 deletes a previously set resp header + * cowboy_req:set_meta/3 sets metadata in the Req object + * cowboy_req:to_list/1 converts the Req object to a list of key/values + * cowboy_req:fragment/1 returns the request URL fragment + * cowboy_req:host_url/1 returns the request URL without the path or qs + * cowboy_req:url/1 returns the full request URL + + * Rename or drop many cowboy_req functions + * Replace cowboy_req:host/1 with cowboy_req:raw_host/1 + * Replace cowboy_req:path/1 with cowboy_req:raw_path/1 + * cowboy_req:raw_qs/1 becomes cowboy_req:qs/1 + + * Change the signature of many cowboy_req functions + * parse_header now returns {ok, any(), Req} instead of {any(), Req} + * body_qs now returns {ok, QsVals, Req} instead of {QsVals, Req} + * multipart_data now returns {headers, Headers, Req} instead of {{headers, Headers}, Req} and {body, Body, Req} instead of - {{body, Body}, Req}. - * set_resp_* functions now return Req instead of {ok, Req}. - -* Fix consistency issues caused by erlang:decode_packet/3 - - * The method is now always a case sensitive binary string. - * Note that standard method names are uppercase (e.g. <<"GET">>). - * Header names are now always lowercase binary string. - -* The max_line_length cowboy_protocol option was replaced by 3 new options: + {{body, Body}, Req} + * set_resp_* functions now return Req instead of {ok, Req} - * max_request_line_length, defaults to 4096 bytes - * max_header_name_length, defaults to 64 bytes - * max_header_value_length, defaults to 4096 bytes + * Fix consistency issues caused by erlang:decode_packet/3 + * The method is now always a case sensitive binary string + * Note that standard method names are uppercase (e.g. <<"GET">>) + * Header names are now always lowercase binary string -* Add max_headers option, limiting the number of headers; defaults to 100 + * The max_line_length cowboy_protocol option was replaced by 3 new options: + * max_request_line_length, defaults to 4096 bytes + * max_header_name_length, defaults to 64 bytes + * max_header_value_length, defaults to 4096 bytes -* Enhance the websocket API + * Add max_headers option, limiting the number of headers; defaults to 100 - * Change a websocket error from {error, protocol} to {error, badframe} - * Allow websocket handlers to reply more than one frame - * Check for errors when calling Transport:send/2 to avoid crashes - * Add close, {close, Payload}, ping, pong frame types for replies + * Enhance the websocket API + * Change a websocket error from {error, protocol} to {error, badframe} + * Allow websocket handlers to reply more than one frame + * Check for errors when calling Transport:send/2 to avoid crashes + * Add close, {close, Payload}, ping, pong frame types for replies -* Use -callback in behaviours + * Use -callback in behaviours -* Add cowboy_protocol:onrequest_fun/0 and :onresponse_fun/0 types + * Add cowboy_protocol:onrequest_fun/0 and :onresponse_fun/0 types -* Add the body data to onresponse_fun/0 callback + * Add the body data to onresponse_fun/0 callback -* Remove the urldecode cowboy_protocol option + * Remove the urldecode cowboy_protocol option -* Isolate multipart from body reading to fix an issue + * Isolate multipart from body reading to fix an issue -* Avoid a duplicate HTTP reply in cowboy_websocket:upgrade_error/1 + * Avoid a duplicate HTTP reply in cowboy_websocket:upgrade_error/1 -* Fix use of the Vary header, was named Variances in the previous code + * Fix use of the Vary header, was named Variances in the previous code -* Improve returned status code for HTTP and REST + * Improve returned status code for HTTP and REST -* Fix charsets_provided return value + * Fix charsets_provided return value -* Allow passing {M, F} for the mimetype function to cowboy_static + * Allow passing {M, F} for the mimetype function to cowboy_static -* Can now upgrade protocols with {upgrade, protocol, P, Req, Opts} + * Can now upgrade protocols with {upgrade, protocol, P, Req, Opts} -* Cowboy now only expects universal time, never local time + * Cowboy now only expects universal time, never local time -* Many, many optimizations for the most critical code path + * Many, many optimizations for the most critical code path 0.6.1 ----- -* Add hello_world, rest_hello_world, chunked_hello_world, + * Add hello_world, rest_hello_world, chunked_hello_world, echo_get, echo_post and static examples. -* Add support for the "Expect: 100-continue" header. + * Add support for the "Expect: 100-continue" header. -* Keep the original 'Host' header value instead of modifying it. + * Keep the original 'Host' header value instead of modifying it. -* Fix use of parsed headers cache. + * Fix use of parsed headers cache. -* REST: fix the matching of charsets. + * REST: fix the matching of charsets. -* REST: allow <<"type/subtype">> format for content_types_accepted. + * REST: allow <<"type/subtype">> format for content_types_accepted. -* Improve typespecs. + * Improve typespecs. 0.6.0 ----- -* Add multipart support + * Add multipart support -* Add chunked transfer decoding support + * Add chunked transfer decoding support Done by reworking the body reading API. Now all the body reading goes through the cowboy_http_req:stream_body/1 @@ -136,14 +129,14 @@ next Transfer-Encoding and the Content-Encoding, returning properly decoded data ready for consumption. -* Add fragmented websocket messages support + * Add fragmented websocket messages support Properly tested by the addition of the Autobahn websocket test suite to our toolbox. All tests pass except a few related to UTF-8 handling, as Cowboy does no checks on that end at this point. -* Add 'onrequest' and 'onresponse' hooks + * Add 'onrequest' and 'onresponse' hooks The first can be used for all the special cases you may have that can't be dealt with otherwise. It's also pretty good for @@ -152,76 +145,76 @@ next The second can be used for logging errors or replacing error pages, amongst others. -* Add cowboy:get_protocol_options/1 and cowboy:set_protocol_options/2 + * Add cowboy:get_protocol_options/1 and cowboy:set_protocol_options/2 These functions allow for retrieving a listener's protocol options, and for modifying them while the listener is running. This is most useful to upgrade the dispatch list. The upgrade applies to all the future connections. -* Add the sockname/1 function to TCP and SSL transports + * Add the sockname/1 function to TCP and SSL transports -* Improve SSL transport support + * Improve SSL transport support Add support for specifying the ciphers. Add CA support. Make specifying the password optional. -* Add new HTTP status codes from RFC 6585 + * Add new HTTP status codes from RFC 6585 -* Add a 'file' option to cowboy_http_static + * Add a 'file' option to cowboy_http_static This allows for mapping /folder/ paths to a /folder/index.html file. -* Add the '*' catch all Content-Type for REST + * Add the '*' catch all Content-Type for REST -* Add {halt, Req, State} as a possible return value for REST + * Add {halt, Req, State} as a possible return value for REST -* Add absolute URI support for requests + * Add absolute URI support for requests -* Add cowboy_http:x_www_form_urlencoded/2 + * Add cowboy_http:x_www_form_urlencoded/2 -* Various REST bug fixes + * Various REST bug fixes -* Do not send chunked replies for HTTP/1.0 connections + * Do not send chunked replies for HTTP/1.0 connections -* Fix a DST bug in the cookies code + * Fix a DST bug in the cookies code -* Fix a bug with setting cookie values containing slashes + * Fix a bug with setting cookie values containing slashes -* Fix a small timer leak when using loop/websocket timeouts + * Fix a small timer leak when using loop/websocket timeouts -* Make charset and media type parsing more relaxed + * Make charset and media type parsing more relaxed This is to accomodate some widely used broken clients. -* Make error messages more readable + * Make error messages more readable -* Fix and improve type specifications + * Fix and improve type specifications -* Fix a bug preventing documentation from being generated + * Fix a bug preventing documentation from being generated -* Small improvements to the documentation + * Small improvements to the documentation -* Rework the HTTP test suite + * Rework the HTTP test suite The suite now uses an integrated Cowboy HTTP client. The client is currently experimental and shouldn't be used. -* Add many many tests. + * Add many many tests. 0.4.0 ----- -* Set the cowboy_listener process priority to high + * Set the cowboy_listener process priority to high As it is the central process used by all incoming requests we need to set its priority to high to avoid timeouts that would happen otherwise when reaching a huge number of concurrent requests. -* Add cowboy:child_spec/6 for embedding in other applications + * Add cowboy:child_spec/6 for embedding in other applications -* Add cowboy_http_rest, an experimental REST protocol support + * Add cowboy_http_rest, an experimental REST protocol support Based on the Webmachine diagram and documentation. It is a new implementation, not a port, therefore a few changes have @@ -232,7 +225,7 @@ next resource documentation and the comments found in cowboy_http_rest, which itself should be fairly easy to read and understand. -* Add cowboy_http_static, an experimental static file handler + * Add cowboy_http_static, an experimental static file handler Makes use of the aforementioned REST protocol support to deliver files with proper content type and cache headers. @@ -241,22 +234,22 @@ next appropriate, which currently requires the VM to be started with the +A option defined, else errors may randomly appear. -* Add cowboy_bstr module for binary strings related functions + * Add cowboy_bstr module for binary strings related functions -* Add cowboy_http module for HTTP parsing functions + * Add cowboy_http module for HTTP parsing functions This module so far contains various functions for HTTP header parsing along with URL encoding and decoding. -* Remove quoted from the default dependencies + * Remove quoted from the default dependencies This should make Cowboy much easier to compile and use by default. It is of course still possible to use quoted as your URL decoding library in Cowboy thanks to the newly added urldecode option. -* Fix supervisor spec for non dynamic modules to allow upgrades to complete + * Fix supervisor spec for non dynamic modules to allow upgrades to complete -* Add cowboy:accept_ack/1 for a cleaner handling of the shoot message + * Add cowboy:accept_ack/1 for a cleaner handling of the shoot message Before, when the listener accepted a connection, the newly created process was waiting for a message containing the atom 'shoot' before @@ -266,81 +259,81 @@ next contents of the message have changed (and could change again in the distant future). -* Update binary parsing expressions to avoid hype crashes + * Update binary parsing expressions to avoid hype crashes More specifically, /bits was replaced by /binary. -* Rename the type cowboy_dispatcher:path_tokens/0 to tokens/0 + * Rename the type cowboy_dispatcher:path_tokens/0 to tokens/0 -* Remove the cowboy_clock:date/0, time/0 and datetime/0 types + * Remove the cowboy_clock:date/0, time/0 and datetime/0 types The calendar module exports those same types properly since R14B04. -* Add cacertfile configuration option to cowboy_ssl_transport + * Add cacertfile configuration option to cowboy_ssl_transport -* Add cowboy_protocol behaviour + * Add cowboy_protocol behaviour -* Remove -Wbehaviours dialyzer option unavailable in R15B + * Remove -Wbehaviours dialyzer option unavailable in R15B -* Many tests and specs improvements + * Many tests and specs improvements ### cowboy_http_req -* Fix a crash when reading the request body + * Fix a crash when reading the request body -* Add parse_header/2 and parse_header/3 + * Add parse_header/2 and parse_header/3 The following headers can now be semantically parsed: Connection, Accept, Accept-Charset, Accept-Encoding, Accept-Language, Content-Length, Content-Type, If-Match, If-None-Match, If-Modified-Since, If-Unmodified-Since, Upgrade -* Add set_resp_header/3, set_resp_cookie/4 and set_resp_body/2 + * Add set_resp_header/3, set_resp_cookie/4 and set_resp_body/2 These functions allow handlers to set response headers and body without having to reply directly. -* Add set_resp_body_fun/3 + * Add set_resp_body_fun/3 This function allows handlers to stream the body of the response using the given fun. The size of the response must be known beforehand. -* Add transport/1 to obtain the transport and socket for the request + * Add transport/1 to obtain the transport and socket for the request This allows handlers to have low-level socket access in those cases where they do need it, like when streaming a response body with set_resp_body_fun/3. -* Add peer_addr/1 + * Add peer_addr/1 This function tries to guess the real peer IP based on the HTTP headers received. -* Add meta/2 and meta/3 to save useful protocol information + * Add meta/2 and meta/3 to save useful protocol information Currently used to save the Websocket protocol version currently used, and to save request information in the REST protocol handler. -* Add reply/2 and reply/3 aliases to reply/4 + * Add reply/2 and reply/3 aliases to reply/4 -* Add upgrade_reply/3 for protocol upgrades + * Add upgrade_reply/3 for protocol upgrades ### cowboy_http_protocol -* Add the {urldecode, fun urldecode/2} option + * Add the {urldecode, fun urldecode/2} option Added when quoted was removed from the default build. Can be used to tell Cowboy to use quoted or any other URL decoding routine. -* Add the max_keepalive option + * Add the max_keepalive option -* Add the max_line_length option + * Add the max_line_length option -* Allow HTTP handlers to stop during init/3 + * Allow HTTP handlers to stop during init/3 To do so they can return {shutdown, Req, State}. -* Add loops support in HTTP handlers for proper long-polling support + * Add loops support in HTTP handlers for proper long-polling support A loop can be entered by returning either of {loop, Req, State}, {loop, Req, State, hibernate}, {loop, Req, State, Timeout} or @@ -362,60 +355,60 @@ next Like in OTP, you do need to set timeout and hibernate again when returning from info/3 to enable them until the next call. -* Fix the sending of 500 errors when handlers crash + * Fix the sending of 500 errors when handlers crash Now we send an error response when no response has been sent, and do nothing more than close the connection if anything did get sent. -* Fix a crash when the server is sent HTTP responses + * Fix a crash when the server is sent HTTP responses -* Fix HTTP timeouts handling when the Request-Line wasn't received + * Fix HTTP timeouts handling when the Request-Line wasn't received -* Fix the handling of the max number of empty lines between requests + * Fix the handling of the max number of empty lines between requests -* Fix the handling of HEAD requests + * Fix the handling of HEAD requests -* Fix HTTP/1.0 Host header handling + * Fix HTTP/1.0 Host header handling -* Reply status 400 if we receive an unexpected value or error for headers + * Reply status 400 if we receive an unexpected value or error for headers -* Properly close when the application sends "Connection: close" header + * Properly close when the application sends "Connection: close" header -* Close HTTP connections on all errors + * Close HTTP connections on all errors -* Improve the error message for HTTP handlers + * Improve the error message for HTTP handlers ### cowboy_http_websocket -* Add websocket support for all versions up to RFC 6455 + * Add websocket support for all versions up to RFC 6455 Support isn't perfect yet according to the specifications, but is working against all currently known client implementations. -* Allow websocket_init/3 to return with the hibernate option set + * Allow websocket_init/3 to return with the hibernate option set -* Add {shutdown, Req} return value to websocket_init/3 to fail an upgrade + * Add {shutdown, Req} return value to websocket_init/3 to fail an upgrade -* Fix websocket timeout handling + * Fix websocket timeout handling -* Fix error messages: wrong callback name was reported on error + * Fix error messages: wrong callback name was reported on error -* Fix byte-by-byte websocket handling + * Fix byte-by-byte websocket handling -* Fix an issue when using hixie-76 with certain proxies + * Fix an issue when using hixie-76 with certain proxies -* Fix a crash in the hixie-76 handshake + * Fix a crash in the hixie-76 handshake -* Fix the handshake when SSL is used on port 443 + * Fix the handshake when SSL is used on port 443 -* Fix a crash in the handshake when cowboy_http_req:compact/1 is used + * Fix a crash in the handshake when cowboy_http_req:compact/1 is used -* Fix handshake when a query string is present + * Fix handshake when a query string is present -* Fix a crash when the Upgrade header contains more than one token + * Fix a crash when the Upgrade header contains more than one token 0.2.0 ----- -* Initial release. + * Initial release. @@ -6,7 +6,7 @@ list of planned changes and work to be done on the Cowboy server. It is non-exhaustive and subject to change. Items are not ordered. -* Write more, better examples. + * Write more, better examples. The first step would be to port misultin's examples to Cowboy. Then these examples could be completed with @@ -20,12 +20,12 @@ are not ordered. Examples should be commented. They may or may not be used for writing the user guides. -* Write user guides. + * Write user guides. We currently have good API documentation, but no step by step user guides. -* Write more, better tests. + * Write more, better tests. Amongst the areas less tested there is protocol upgrades and the REST handler. @@ -37,7 +37,7 @@ are not ordered. While eunit and ct tests are fine, some parts of the code could benefit from PropEr tests. -* Continuous performance testing. + * Continuous performance testing. Initially dubbed the Horse project, Cowboy could benefit from a continuous performance testing tool that would @@ -49,37 +49,37 @@ are not ordered. Cowboy to other servers and eventually take ideas from the servers that outperform Cowboy for the task being tested. -* Improve HTTP/1.0 support. + * Improve HTTP/1.0 support. Most of the work on Cowboy has been done with HTTP/1.1 in mind. But there is still a need for HTTP/1.0 code in Cowboy. The server code should be reviewed and tested to ensure compatibility with remaining HTTP/1.0 products. -* Complete the work on Websockets. + * Complete the work on Websockets. Now that the Autobahn test suite is available (make inttests), we have a definite way to know whether Cowboy's implementation of Websockets is right. The work can thus be completed. The remaining task is proper UTF8 handling. -* SPDY support. + * SPDY support. While SPDY probably won't be added directly to Cowboy, work has been started on making Cowboy use SPDY. -* Transport upgrades. + * Transport upgrades. Some protocols allow an upgrade from TCP to SSL without closing the connection. This is currently not possible through the Cowboy API. -* Resizing the acceptor pool. + * Resizing the acceptor pool. We should be able to add more acceptors to a pool but also to remove some of them as needed. -* Simplified dispatch list. + * Simplified dispatch list. For convenience purposes, the dispatch list should allow lists instead of binaries. The lists can be converted to @@ -88,7 +88,7 @@ are not ordered. There has also been discussion on allowing the dispatch list to be hierarchical. -* Add Transport:secure/0. + * Add Transport:secure/0. Currently Cowboy checks if a connection is secure by checking if its name is 'ssl'. This isn't a very modular |