[This introduces some new API functions.]
* Adds new flag to the connection context indicating SO_REUSEADDR
should be set.
* Adds max number of retries constant for when connect() hits
EADDRNOTAVAIL.
* Adds new function, redisAsyncConnectBindWithReuse(), letting
clients enable this functionality.
[Removed trailing whitespace in new header lines.]
Closes#264
OK, perhaps the second time is a charm. I forgot that I had
hiredis forked from a long time ago, so the initial pull
request was hosed. :)
* Pulled in sdscatfmt() from Redis, and modified it to accept a
size_t (%T) style format specifier.
* Pulled in sdsll2str() and sdsull2str() from Redis (needed by
sdscatfmt).
* Added a new method, redisFormatSdsCommandArgv() which takes
and sds* as the target, rather than char* (and uses sdscatfmt
instead of sprintf for the construction).
I get roughly the following improvement:
Old: 1.044806
New: 0.481620
The benchmark code itself can be found here:
https://gist.github.com/michael-grunder/c92ef31bb632b3d0ad81Closes#260
Some environments require binding to specific source addresses instead
of letting the system determine which IP a connection should originate
from.
Closes#233
The struct timeval argument in redisConnectWithTimeout(),
redisConnectUnixWithTimeout(), redisSetTimeout(),
redisContextSetTimeout(), redisContextConnectTcp()
and redisContextConnectUnix() is never modified and can
therefore be marked as const.
Signed-off-by: Noah Williamsson <noah.williamsson@gmail.com>
Hiredis can handle multi bulk replies with a fixed (hardcoded) level of
nesting. This should be changed in the future in order to avoid
hardcoded limits. As a quick fix this commit moves the max nesting from 2
to 7, so that there are no problems when processing replies from the SLOWLOG
command, from Redis Sentinel, or generated by Redis Lua Scripts (that are
allowed to generate replies with any level of nesting).
Hiredis used to free unused redisReader buffers bigger than 16k. Now
this limit is configurable (see the documentation updated by this commit)
in order to allow working with big payloads without incurring to speed
penalty.
This reverts commit 77540aa316. The change
in buffer strategy is too large to put in a minor release. It is put in
a separate branch in the meantime, so it can be refined and released
together with a minor version bump.
This is done by only truncating the read buffer once a full reply has
been read. The buffer is no longer truncated halfway through reading a
reply. In addition: pass offset/length of protocol and content via the
read tasks.
To make sure that these functions can also be called from functions
other than command callbacks, the flag IN_CALLBACK is introduced that
holds whether the context is currently executing a callback. If so,
redisAsyncFree() and redisAsyncDisconnect() should delegate their task
to the reply processor to avoid segfaults.
When no reply object functions are defined, the reply type integer is
returned from redisGetReply(). This sets the *reply argument to the
consumed reply, where 0 means that it was not possible to consume a full
reply. With REDIS_REPLY_ERROR having the same value, there is no way to
tell the difference between an error reply and not consuming a reply.
When there is an I/O error, errno should be used to find out what is
wrong. In other cases, errno cannot be used. So, use an explicit type in
Hiredis to define the different error scenarios that can occur.
This allows users of the API to format a command without the need to
have all the sds functions included, only for free'ing the returned
wire-level command.
This removes the need to wrap an event_base pointer in the redisContext
struct and allows multiple connections to be used in a single
event_base. Also, use the *privdata argument to the provided callbacks
to curry the redisEvent struct around.
Rather, use the return value REDIS_OK and REDIS_ERR to designate if
calling a function has a successful outcome. When there was an error in
performing the call the error field will be set inside the reader or the
context.
The context supports both blocking and non-blocking connections. All
read and write events are not handled by hiredis, but hiredis exposes an
API for buffered reading/writing to Redis.
Allows libraries to wrap the reply parsing code and build the reply in a
streaming fashion. Reply objects can immediately be initialized to the
required type without having to convert an intermediary format.
