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Previously, the log message callback used a generic log function, that relied on the process time cache.
Since there were no time update calls in the application processes, all log lines were printed with the
same time, usually correlated with the process start.
Now, a non-cached logging function from libunit is used.
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This makes log format used in libunit consistent with the daemon, where milliseconds are printed only in the
debug log level.
Currently a compile time switch is used, since there's no support for runtime changing of a log level for now.
But in the future this should be a runtime condition, similar to nxt_log_time_handler().
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Matching 'start' and 'end' position now adjusted to avoid false matching.
This is related to #434 issue on Github.
Thanks to 洪志道 (Hong Zhi Dao).
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The lifespan of a listening socket is longer than both router
configuration's and temporary router configuration's lifespan,
so the sockets should be stored in persistent queues. Safety
is ensured by the fact that the router processes only one new
configuration at any time.
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opcache_get_status() returns array, so square brackets
should be used to access "opcache_enabled" value.
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Now the configure script appends /server to --lib-path argument.
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The process abstraction has changed to:
setup(task, process)
start(task, process_data)
prefork(task, process, mp)
The prefork() occurs in the main process right before fork.
The file src/nxt_main_process.c is completely free of process
specific logic.
The creation of a process now supports a PROCESS_CREATED state. The
The setup() function of each process can set its state to either
created or ready. If created, a MSG_PROCESS_CREATED is sent to main
process, where external setup can be done (required for rootfs under
container).
The core processes (discovery, controller and router) doesn't need
external setup, then they all proceeds to their start() function
straight away.
In the case of applications, the load of the module happens at the
process setup() time and The module's init() function has changed
to be the start() of the process.
The module API has changed to:
setup(task, process, conf)
start(task, data)
As a direct benefit of the PROCESS_CREATED message, the clone(2) of
processes using pid namespaces now doesn't need to create a pipe
to make the child block until parent setup uid/gid mappings nor it
needs to receive the child pid.
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This aims to avoid stream id clashes after router restart.
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This is required to handle REMOVE_PID messages if router engine
initialization is incomplete.
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After a process exits, all ports linked to it from other processes
should be closed. All unsent file descriptors in port queue, marked as
"close after send", should be closed to avoid resource leakage.
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Thanks to hongzhidao.
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According to the C standard, pointer arguments passed to memcpy() calls shall
still have valid values. NULL is considered as invalid.
Found with GCC Static Analyzer.
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This fixes building with GCC 10, which is default to -fno-common.
See: https://gcc.gnu.org/gcc-10/porting_to.html
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This should resolve some static analyzers warnings.
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This allows to specify multiple subsequent targets inside PHP applications.
For example:
{
"listeners": {
"*:80": {
"pass": "routes"
}
},
"routes": [
{
"match": {
"uri": "/info"
},
"action": {
"pass": "applications/my_app/phpinfo"
}
},
{
"match": {
"uri": "/hello"
},
"action": {
"pass": "applications/my_app/hello"
}
},
{
"action": {
"pass": "applications/my_app/rest"
}
}
],
"applications": {
"my_app": {
"type": "php",
"targets": {
"phpinfo": {
"script": "phpinfo.php",
"root": "/www/data/admin",
},
"hello": {
"script": "hello.php",
"root": "/www/data/test",
},
"rest": {
"root": "/www/data/example.com",
"index": "index.php"
},
}
}
}
}
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This is useful to escape "/" in path fragments. For example, in order
to reference the application named "foo/bar":
{
"pass": "applications/foo%2Fbar"
}
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This is required due to lack of a graceful shutdown: there is a small gap
between the runtime's memory pool release and router process's exit. Thus, a
worker thread may start processing a request between these two operations,
which may result in an http fields hash access and subsequent crash.
To simplify issue reproduction, it makes sense to add a 2 sec sleep before
exit() in nxt_runtime_exit().
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