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2017-05-22assert: avoid, use DEBUGASSERT instead!Daniel Stenberg
... as it does extra checks to actually work. Reported-by: jonrumsey at github Fixes #1504
2017-05-10multi: use a fixed array of timers instead of mallocDaniel Stenberg
... since the total amount is low this is faster, easier and reduces memory overhead. Also, Curl_expire_done() can now mark an expire timeout as done so that it never times out. Closes #1472
2017-05-10multi: assign IDs to all timers and make each timer singletonDaniel Stenberg
A) reduces the timeout lists drastically B) prevents a lot of superfluous loops for timers that expires "in vain" when it has actually already been extended to fire later on
2017-05-01http2: use the correct set buffer sizeDaniel Stenberg
2017-04-30http2: declare TU-local variables staticMarcel Raad
This fixes the following clang warnings: http2.c:184:27: error: no previous extern declaration for non-static variable 'Curl_handler_http2' [-Werror,-Wmissing-variable-declarations] http2.c:204:27: error: no previous extern declaration for non-static variable 'Curl_handler_http2_ssl' [-Werror,-Wmissing-variable-declarations]
2017-04-15http2: fix handle leak in error pathLarry Stefani
Add missing newhandle free call in push_promise(). Closes #1416
2017-03-30http2: silence unused parameter warningsMarcel Raad
In release mode, MinGW complains: error: unused parameter 'lib_error_code' [-Werror=unused-parameter]
2017-02-13http2: fix memory-leak when denying push streamsDaniel Stenberg
Reported-by: zelinchen@users.noreply.github.com Fixes #1229
2017-02-07http2: reset push header counter fixes crashDaniel Stenberg
When removing an easy handler from a multi before it completed its transfer, and it had pushed streams, it would segfault due to the pushed counted not being cleared. Fixed-by: zelinchen@users.noreply.github.com Fixes #1249
2017-01-15http2: disable server push if not requestedAlessandro Ghedini
Ref: https://github.com/curl/curl/pull/1160
2017-01-11http2_send: avoid unsigned integer wrap aroundDaniel Stenberg
... when checking for a too large request.
2016-11-28http2: check nghttp2_session_set_local_window_size existsJay Satiro
The function only exists since nghttp2 1.12.0. Bug: https://github.com/curl/curl/commit/a4d8888#commitcomment-19985676 Reported-by: Michael Kaufmann
2016-11-28http2: Fix crashes when parent stream gets abortedAnders Bakken
Closes #1125
2016-11-24checksrc: move open braces to comply with function declaration styleDaniel Stenberg
2016-11-24checksrc: white space edits to comply to stricter checksrcDaniel Stenberg
2016-11-16http2: Use huge HTTP/2 windowsJay Satiro
- Improve performance by using a huge HTTP/2 window size. Bug: https://github.com/curl/curl/issues/1102 Reported-by: afrind@users.noreply.github.com Assisted-by: Tatsuhiro Tsujikawa
2016-11-16http2: Fix address sanitizer memcpy warningJay Satiro
- In Curl_http2_switched don't call memcpy when src is NULL. Curl_http2_switched can be called like: Curl_http2_switched(conn, NULL, 0); .. and prior to this change memcpy was then called like: memcpy(dest, NULL, 0) .. causing address sanitizer to warn: http2.c:2057:3: runtime error: null pointer passed as argument 2, which is declared to never be null
2016-11-11realloc: use Curl_saferealloc to avoid common mistakesDaniel Stenberg
Discussed: https://curl.haxx.se/mail/lib-2016-11/0087.html
2016-11-07http2: Don't send header fields prohibited by HTTP/2 specTatsuhiro Tsujikawa
Previously, we just ignored "Connection" header field. But HTTP/2 specification actually prohibits few more header fields. This commit ignores all of them so that we don't send these bad header fields. Bug: https://curl.haxx.se/mail/archive-2016-10/0033.html Reported-by: Ricki Hirner Closes https://github.com/curl/curl/pull/1092
2016-10-31strcasecompare: all case insensitive string compares ignore locale nowDaniel Stenberg
We had some confusions on when each function was used. We should not act differently on different locales anyway.
2016-09-16http2: debug ouput sent HTTP/2 request headersDaniel Stenberg
2016-09-09http2: support > 64bit sized uploadsDaniel Stenberg
... by making sure we don't count down the "upload left" counter when the uploaded size is unknown and then it can be allowed to continue forever. Fixes #996
2016-09-05http2: return EOF when done uploading without known sizeDaniel Stenberg
Fixes #982
2016-09-05http2: skip the content-length parsing, detect unknown sizeDaniel Stenberg
2016-09-05http2: minor white space editDaniel Stenberg
2016-09-05http2: use named define instead of magic constant in read callbackDaniel Stenberg
2016-08-28http2: return CURLE_HTTP2_STREAM for unexpected stream closeDaniel Stenberg
Follow-up to c3e906e9cd0f, seems like a more appropriate error code Suggested-by: Jay Satiro
2016-08-28http2: handle closed streams when uploadingTatsuhiro Tsujikawa
Fixes #986
2016-08-28http2: make sure stream errors don't needlessly close the connectionDaniel Stenberg
With HTTP/2 each transfer is made in an indivial logical stream over the connection, making most previous errors that caused the connection to get forced-closed now instead just kill the stream and not the connection. Fixes #941
2016-08-25http2: Remove incorrect commentsJay Satiro
.. also remove same from scp
2016-08-05http2: always wait for readable socketDaniel Stenberg
Since the server can at any time send a HTTP/2 frame to us, we need to wait for the socket to be readable during all transfers so that we can act on incoming frames even when uploading etc. Reminded-by: Tatsuhiro Tsujikawa
2016-08-05CURLOPT_TCP_NODELAY: now enabled by defaultDaniel Stenberg
After a few wasted hours hunting down the reason for slowness during a TLS handshake that turned out to be because of TCP_NODELAY not being set, I think we have enough motivation to toggle the default for this option. We now enable TCP_NODELAY by default and allow applications to switch it off. This also makes --tcp-nodelay unnecessary, but --no-tcp-nodelay can be used to disable it. Thanks-to: Tim Rühsen Bug: https://curl.haxx.se/mail/lib-2016-06/0143.html
2016-08-04multi: make Curl_expire() work with 0 ms timeoutsDaniel Stenberg
Previously, passing a timeout of zero to Curl_expire() was a magic code for clearing all timeouts for the handle. That is now instead made with the new Curl_expire_clear() function and thus a 0 timeout is fine to set and will trigger a timeout ASAP. This will help removing short delays, in particular notable when doing HTTP/2.
2016-06-22typedefs: use the full structs in internal code...Daniel Stenberg
... and save the typedef'ed names for headers and external APIs.
2016-06-22internals: rename the SessionHandle struct to Curl_easyDaniel Stenberg
2016-05-19http2: use HTTP/2 in the HTTP/1.1-alike headerDaniel Stenberg
... when generating them, not "2.0" as the protocol is called just HTTP/2 and nothing else.
2016-05-12http2: Add space between colon and header valueCory Benfield
curl's representation of HTTP/2 responses involves transforming the response to a format that is similar to HTTP/1.1. Prior to this change, curl would do this by separating header names and values with only a colon, without introducing a space after the colon. While this is technically a valid way to represent a HTTP/1.1 header block, it is much more common to see a space following the colon. This change introduces that space, to ensure that incautious tools are safely able to parse the header block. This also ensures that the difference between the HTTP/1.1 and HTTP/2 response layout is as minimal as possible. Bug: https://github.com/curl/curl/issues/797 Closes #798 Fixes #797
2016-04-29lib: include curl_printf.h as one of the last headersDaniel Stenberg
curl_printf.h defines printf to curl_mprintf, etc. This can cause problems with external headers which may use __attribute__((format(printf, ...))) markers etc. To avoid that they cause problems with system includes, we include curl_printf.h after any system headers. That makes the three last headers to always be, and we keep them in this order: curl_printf.h curl_memory.h memdebug.h None of them include system headers, they all do funny #defines. Reported-by: David Benjamin Fixes #743
2016-04-12http2: Use size_t type for data drain countJay Satiro
Ref: https://github.com/curl/curl/issues/659 Ref: https://github.com/curl/curl/pull/663
2016-04-11http2: Improve header parsingJay Satiro
- Error if a header line is larger than supported. - Warn if cumulative header line length may be larger than supported. - Allow spaces when parsing the path component. - Make sure each header line ends in \r\n. This fixes an out of bounds. - Disallow header continuation lines until we decide what to do. Ref: https://github.com/curl/curl/issues/659 Ref: https://github.com/curl/curl/pull/663
2016-04-11http2: Add Curl_http2_strerror for HTTP/2 error codesJay Satiro
Ref: https://github.com/curl/curl/issues/659 Ref: https://github.com/curl/curl/pull/663
2016-04-11http2: Don't increment drain when one header field is receivedTatsuhiro Tsujikawa
Sicne we write header field in temporary location, not in the memory that upper layer provides, incrementing drain should not happen. Ref: https://github.com/curl/curl/issues/659 Ref: https://github.com/curl/curl/pull/663
2016-04-11http2: Ensure that http2_handle_stream_close is calledTatsuhiro Tsujikawa
This commit ensures that streams which was closed in on_stream_close callback gets passed to http2_handle_stream_close. Previously, this might not happen. To achieve this, we increment drain property to forcibly call recv function for that stream. To more accurately check that we have no pending event before shutting down HTTP/2 session, we sum up drain property into http_conn.drain_total. We only shutdown session if that value is 0. With this commit, when stream was closed before reading response header fields, error code CURLE_HTTP2_STREAM is returned even if HTTP/2 level error is NO_ERROR. This signals the upper layer that stream was closed by error just like TCP connection close in HTTP/1. Ref: https://github.com/curl/curl/issues/659 Ref: https://github.com/curl/curl/pull/663
2016-04-11http2: Process paused data first before tear down http2 sessionTatsuhiro Tsujikawa
This commit ensures that data from network are processed before HTTP/2 session is terminated. This is achieved by pausing nghttp2 whenever different stream than current easy handle receives data. This commit also fixes the bug that sometimes processing hangs when multiple HTTP/2 streams are multiplexed. Ref: https://github.com/curl/curl/issues/659 Ref: https://github.com/curl/curl/pull/663
2016-04-11http2: Check session closure early in http2_recvTatsuhiro Tsujikawa
Ref: https://github.com/curl/curl/issues/659 Ref: https://github.com/curl/curl/pull/663
2016-04-11http2: Add handling stream level errorTatsuhiro Tsujikawa
Previously, when a stream was closed with other than NGHTTP2_NO_ERROR by RST_STREAM, underlying TCP connection was dropped. This is undesirable since there may be other streams multiplexed and they are very much fine. This change introduce new error code CURLE_HTTP2_STREAM, which indicates stream error that only affects the relevant stream, and connection should be kept open. The existing CURLE_HTTP2 means connection error in general. Ref: https://github.com/curl/curl/issues/659 Ref: https://github.com/curl/curl/pull/663
2016-04-11http2: drain the socket better...Daniel Stenberg
... but ignore EAGAIN if the stream has ended so that we don't end up in a loop. This is a follow-up to c8ab613 in order to avoid the problem d261652 was made to fix. Reported-by: Jay Satiro Clues-provided-by: Tatsuhiro Tsujikawa Discussed in #750
2016-04-06HTTP2: Add a space character after the status codeMichael Kaufmann
The space character after the status code is mandatory, even if the reason phrase is empty (see RFC 7230 section 3.1.2) Closes #755
2016-04-05http2: fix connection reuse when PING comes after last DATADaniel Stenberg
It turns out the google GFE HTTP/2 servers send a PING frame immediately after a stream ends and its last DATA has been received by curl. So if we don't drain that from the socket, it makes the socket readable in subsequent checks and libcurl then (wrongly) assumes the connection is dead when trying to reuse the connection. Reported-by: Joonas Kuorilehto Discussed in #750
2016-04-02http2: make use of the nghttp2 error callbackDaniel Stenberg
It offers extra info from nghttp2 in certain error cases. Like for example when trying prior-knowledge http2 on a server that doesn't speak http2 at all. The error message is passed on as a verbose message to libcurl. Discussed in #722 The error callback was added in nghttp2 1.9.0
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