* Adding timing-sensitive load test option in h2load.
* more checks added for parameters
* A worker thread can control its clients' warmup and main duration.
* Changed warmup to an enum variable.
* removed unnecessary call to ev_timer_stop
* assertion is done before starting main measurement phase
* phase variable is implemented only inside the Worker class
* enum to enum class
* else indentation corrected
* check added for timing-based test when duration CB is called explicitly
* New argument is introduced for timing-based benchmarking.
* styling corrections
* duration watcher initialization is pushed back into warmup timeout
* Warmup and Duration timer is moved to Worker instead of clients. Now both timers and phase belongs to the Workers.
* some client functions are modified to return if it's not main_duration phase. client is not destructed but sessions are terminated
* outputs are adjusted for thread.
* Needed to check if a session exist before terminating
* formatting
* more formatting
* formatting
Previously, the default minimum TLS version was TLSv1.1, but the
default cipher list didn't include any compatible ciphers with it.
This made handshake fail if TLSv1.1 was negotiated because there was
no shared ciphers. To make the default settings consistent, the
default minimum TLS version is now TLSv1.2.
At least we should make sure that the OCSP response is targeted to the
expected certificate. This is important because we pass the file path
to the external script, and if the file is replaced because of
renewal, and nghttpx has not reloaded its configuration, the
certificate nghttpx has loaded and the one included in the file
differ. Verifying the OCSP response detects this, and avoids to send
wrong OCSP response.
With --ocsp-startup option, nghttpx starts accepting connections after
initial attempts to get OCSP responses finish. It does not matter
some of the attempts fail. This feature is useful if OCSP responses
must be available before accepting connections.
This commit adds wildcard path matching. If path pattern given in
backend option ends with "*", it is considered as wildcard path. "*"
must match at least one character. All paths which include wildcard
path without last "*" as prefix, and are strictly longer than wildcard
path without last "*" are matched.
With this commit, SSL_TLSEXT_ERR_NOACK is returned from
servername_callback, which removes server_name extension from
ServerHello. CertLookupTree is now used even if the number of server
certificate is one. It is better to exercise it regularly.
Previously, for Via, X-Forwarded-For, and X-Forwarded-Proto header
field, nghttpx only forwarded the last header field of each. With
this commit, nghttpx forwards all of them if it is configured to do
so.
This commit adds 2 new options to handle X-Forwarded-Proto header
field. The --no-add-x-forwarded-proto option makes nghttpx not to
append X-Forwarded-Proto value. The
--no-strip-incoming-x-forwarded-proto option prevents nghttpx from
stripping the header field from client.
Previously, nghttpx always strips incoming header field, and set its
own header field. This commit preserves this behaviour, and adds
additional knobs.
With --single-process option, nghttpx will run in a single process
mode where master and worker are unified into one process. nghttpx
still spawns additional process for neverbleed. In the single process
mode, signal handling is disabled.
This commit adds 2 new options to handle X-Forwarded-Proto header
field. The --add-x-forwarded-proto option makes nghttpx append
X-Forwarded-Proto value. The --strip-incoming-x-forwarded-proto
option makes nghttpx to strip the header field from client.
Previously, nghttpx always strips incoming header field, and set its
own header field. This commit changes this behaviour. Now nghttpx
does not strip, and append X-Forwarded-Proto header field by default.
The X-Forwarded-For, and Forwarded header fields are also handled in
the same way. To recover the old behaviour, use
--add-x-forwarded-proto and --strip-incoming-x-forwarded-proto
options.
Previously, nghttpx will use only one single thread inside the worker
process if --workers=1 (this is default). If --workers=N, N > 1, we
use additional threads for accepting connections, or API request
processing, etc.
With this commit, we use the same processing model for N > 1 even if N
== 1. To restore the original single thread execution mode,
--single-worker option is added. If threading is disabled
--single-worker is always true.
This commit adds configuration revision, which is considered opaque
string, and changes after reloading configuration with SIGHUP. This
revision is returned as a response to configrevision API endpoint.
This allows external application to know whether nghttpx has finished
reloading new configuration or not. Note that this revision does not
change on backendconfig API calls.
This commit removes frontend-tls parameter, and adds
redirect-if-not-tls parameter parameter to --backend option. nghttpx
now responds to the request with 308 status code to redirect the
request to https URI if frontend connection is not TLS encrypted, and
redirect-if-no-tls parameter is used in --backend option. The port
number in Location header field is 443 by default (thus omitted), but
it can be configurable using --redirect-https-port option.
If OpenSSL supports TLSv1.3, enable it by default for all applications
under src. BoringSSL can work at the moment although it does not
unlock all the features nghttpx offers. OpenSSL's TLSv1.3 support is
still WIP at the time of writing.
This commit deprecates --tls-proto-list option, and adds 2 new
options: --tls-min-proto-version and --tls-max-proto-version to
specify minimum and maximum protocol version respectively. Versions
between the two are enabled. The deprecated --tls-proto-list has
empty default value, and acts like enabling only specific protocol
versions in the range for now.
Previously, after sending SIGUSR2 to the original master process, and
the new master process gets ready, user has to send SIGQUIT to the
original master process to shut it down gracefully. With this commit,
the new master process sends SIGQUIT to the original master process
when it is ready to serve requests, eliminating for user to send
SIGQUIT manually.
This works nicely with systemd, because now you can replace nghttpx
binary with new one by "systemctl kill -s USR2 --kill-who=main
nghttpx".
Explicit io_service::stop() will prevent running streams from
finishing their task. That means if there are already reposnes
that we have called end(std::string) on them and they have not
finished sending back their data, they will be closed with a
NGHTTP2_INTERNAL_ERROR
Instead, we can stop accepting connections and destroy all
io_service::work objects to signals end of work.
nghttpx supports multiple certificates using --subcert option.
Previously, SNI hostname is used to select certificate. With this
commit, signature algorithm presented by client is also taken into
consideration. nghttpx now accepts certificates which share the same
hostname (CN, SAN), but have different signature algorithm (e.g.,
ECDSA+SHA256, RSA+SHA256).
Currently, this feature requires OpenSSL >= 1.0.2. BoringSSL, and
LibreSSL do not work since they lack required APIs.
Write integer to log buffer directly to improve efficiency. Remove
unused function templates. Use [first, last) style arguments for
copy() function templates.
Previously, when parsing HTML links, we only take into account
overridden host. But we actually need more variables to consider. In
this commit, we take into account overridden scheme, host, and port to
parse HTML links.
--accesslog-write-early option is analogous to HAProxy's logasap. If
used, nghttpx writes access log when response header fields are
received from backend rather than when request transaction finishes.
Previously, we have dedicated read buffer for each frontend
connection. With this commit, the buffer spaces are only used when
needed, and pooled if they are not used. This reduces memory usage
for idle client connections.
Previously, ciphers option sets cipher list for both frontend and
backend TLS connections. With this commit, ciphers option only sets
cipher list for frontend connections. The new client-ciphers option
sets cipher list for backend connection.
This commit adds client-no-http2-cipher-black-list option to disable
enforcement of HTTP/2 cipher black list on backend HTTP/2 connection.
Previously, existing no-http2-cipher-black-list option disables it for
both frontend and backend connections. Now no-http2-cipher-black-list
option only disables it for frontend connection.
Previously, global accept-proxy-protocol option enables PROXY protocol
support for all frontend listeners, but this was inflexible. To fix
this issue, accept-proxy-protocol option is now deprecated, and
instead proxyproto parameter in frontend option enables PROXY protocol
support per frontend.
boringssl says:
/* It is an error to clear any bits that have already been set. (We can't try
* to get a second close_notify or send two.) */
assert((SSL_get_shutdown(ssl) & mode) == SSL_get_shutdown(ssl));
on_read may fail, but we failed to check its return value most of the
places. This is because failure means deletion of ClientHandler, but
because of architecture, we cannot delete it. Feeding read event is
better since we can move call on_read from libev callback. We can
delete ClientHandler form there.
Because of bidirectional nature of TCP, we may fail write(2), but have
still pending read in TCP buffer, which may contain response body. To
forward them, we should keep reading until get EOF from backend.
To avoid stalling HTTP/1 upload when request buffer is full, and we
have received complete response from backend, drop connection in that
case.
To debug multi threaded configuration easier, we added current PID and
thread ID to error log. Previously, we didn't add date and time if
log level is NOTICE. In this change, we always write date and time
regardless of log level.
At the moment, we use both resolvers, and if either one is not
DNS_STATUS_IDLE, the other one is also not DNS_STATUS_IDLE. This may
change if we are going to configure DNS so that either A or AAAA
lookup is done. In that case, it is better to just return
DNS_STATUS_ERROR in the diff. This is because the calling side does
not expect DNS_STATUS_IDLE in that case.
We have added "dns" parameter to backend option. If specified, name
lookup is done dynamically. If not, name lookup is done at start up,
or configuration reloading. nghttpx caches DNS result including error
case in 30 seconds in this commit. Later commit makes this
configurable.
DNS resolution is done asynchronously using c-ares library.
Normally, we don't have wait for child process to exit, since init can
take care of them. But in containerized environment, pid 0 init might
not be available, and defunct processes can be piled up. This commit
ensures that OCSP and neverbleed processes are waited for before
worker process exits.
Tatsuhiro Tsujikawa
Dmitriy Vetutnev
Soham Sinha
Soham Sinha
Matt Way
Piotr Sikora
Alexis La Goutte
Amir Pakdel
Tomasz Torcz
clemahieu
Benedikt Christoph Wolters
Bernard Spil