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[FIXED] MicroServices: Wrong marshaling of average_processing_time#892

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fix_890
Jul 23, 2025
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[FIXED] MicroServices: Wrong marshaling of average_processing_time#892
kozlovic merged 1 commit into
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fix_890

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The field was incorrectly marshaled as a string duration instead of a number (nano seconds). Also, the computation of the average time would not take into account the possibility of having zero number of requests, which would produced a NaN and an invalid number during marshal.

Added test to check statistics before any request and that the field is a proper number (not a string). Also verified that it now works well with the NATS CLI.

Resolves #890

Signed-off-by: Ivan Kozlovic ivan@synadia.com

The field was incorrectly marshaled as a string duration instead
of a number (nano seconds). Also, the computation of the average
time would not take into account the possibility of having zero
number of requests, which would produced a NaN and an invalid
number during marshal.

Added test to check statistics before any request and that the
field is a proper number (not a string). Also verified that it
now works well with the NATS CLI.

Resolves #890

Signed-off-by: Ivan Kozlovic <ivan@synadia.com>
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kozlovic requested a review from derekcollison July 23, 2025 15:51

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LGTM

@kozlovic
kozlovic merged commit d4a07ff into main Jul 23, 2025
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@kozlovic
kozlovic deleted the fix_890 branch July 23, 2025 17:49
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codecov Bot commented Jul 23, 2025

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Codecov Report

Attention: Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 70.10%. Comparing base (b89b44d) to head (10e55d4).
Report is 3 commits behind head on main.

Files with missing lines Patch % Lines
src/micro.c 75.00% 0 Missing and 1 partial ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main     #892      +/-   ##
==========================================
- Coverage   70.28%   70.10%   -0.19%     
==========================================
  Files          47       47              
  Lines       15576    15578       +2     
  Branches     3209     3210       +1     
==========================================
- Hits        10948    10921      -27     
- Misses       1541     1571      +30     
+ Partials     3087     3086       -1     

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github-actions Bot pushed a commit that referenced this pull request Jul 23, 2025
kozlovic added a commit that referenced this pull request Sep 26, 2025
Release notes will be:

This release contains some breaking changes. See the "Changed" section below.

* Build
  * Disable NATS Streaming by default by @mtmk in #770
  * TLS
    * Require OpenSSL 1.1.1+ to compile. Removed the `NATS_BUILD_TLS_USE_OPENSSL_1_1_API` CMake variable by @kozlovic in #905
    * The option `natsOptions_SetSSLVerificationCallback` signature was changed to replace the use of `SSL_verify_cb` (which required OpenSSL dependency in the `nats.h` file), to the new callback `natsSSLVerifyCb`. See documentation of `natsSSLVerifyCb` to see the cast needed to compile with this new header file by @kozlovic in #908
* Modification of a `natsOptions` object if it has TLS/SSL configuration and is actively used by connections will now return a `NATS_ILLEGAL_STATE` by @kozlovic in #912

* Options
  * Ability to load the trusted CA certificates from a directory using the new option `natsOptions_LoadCATrustedCertificatesPath` by @kerbert101 in #862
  * Ability to connect via HTTP proxy for instance by adding a proxy connection handler using the new option `natsOptions_SetProxyConnHandler` by @wolfkor in #871 and @kozlovic in #897
  * Ability to load the certificate chain and key from a file on every connection attempt using the new option `natsOptions_LoadCertificatesChainDynamic` by @Matus-p in #901
  * Ability to perform concurrent TLS handshakes that may improve time it takes for concurrent connections to be established using the new option `natsOptions_AllowConcurrentTLSHandshakes ` by @kozlovic in #914. Issue was reported by @yanyongcheng in #899
* JetStream
  * Per-message TTL support (a NATS Server v2.11 feature) by @levb in #863
  * Pull consumer priority groups (a NATS Server v2.11 feature) by @levb in #869
* ObjectStore support by @kozlovic in #902. Thanks to @jfflynn41 and @alex1891 for the feedback in #876

* JetStream
  * Handling of publish asynchronous timeouts by @kozlovic in #886. Issue reported by @yanyongcheng in #880
* Timer insertion by @kozlovic in #883. Issue reported by @yanyongcheng in #881

* EventLoop:
  * Handling of possible failure on initial attach by @kozlovic in #918
  * LibEvent: `natsConnection_Close()` not closing the TCP connection by @kozlovic in #882. Issue was reported by @yanyongcheng in #879
  * Libuv: Possible crash if connection is destroyed while receiving data by @kozlovic in #889. Issue was reported by @yanyongcheng in #888
* KeyValue
  * Keys, History or watcher's next may incorrectly return `NATS_TIMEOUT` by @kozlovic in #917/ Issue was reported by @ArashPartow in #916
* MicroServices:
  * Wrong marshaling of `average_processing_time` by @kozlovic in #892. Issue was reported by @Archie3d in #890
  * Statistics error was always incremented by @kozlovic in #894. Issue was reported by @Archie3d in #893
* TLS
  * Unknown type name `SSL_verify_cb` by @kozlovic in #878. Issue was reported by @philipfoulkes in #877
  * Initialization and cleanup code related to OpenSSL was removed since it was deprecated for versions post OpenSSL 1.1. A cleanup function pertinent to 1.1+ code was possibly causing a problem. By @kozlovic in #905. Issue was reported by @vdeters in #904
  * Possible hang during handshake by @kozlovic in #907. Issue was reported by @etrochim in #906
  * Protect calls to `SSL_read` and `SSL_write` with a mutex. Since the same `SSL` object is shared between different threads, the OpenSSL library requires a mutex to be used by @kozlovic in #913
* Memory allocation check by @wooffie in #868
* Add missing status text string by @oldnick85 in #872 and @kozlovic in #874 (the issue was not present in any published release and was introduced in #869)
* Parsing of message headers with `NULL` or all-whitespace values by @habbbe in #873
* Removed some unused code related to handling of responses and added custom inbox with very long prefix test by @kozlovic in #885. Issue was reported by @yanyongcheng in #884
* Connection drain could cause missed reply and/or a 100ms delay by @kozlovic in #915. Issue was reported by @T-Maxxx in #911

* Build
  * Deprecated Ubuntu 20.04 in GitHub actions by @levb in #864
  * Removed the older compiler jobs by @levb in #865
  * Fixed Windows build to use the NATS Server main branch by @levb in #866

* @kerbert101 made their first contribution in #862
* @habbbe made their first contribution in #873
* @wolfkor made their first contribution in #871
* @Matus-p made their first contribution in #901

Signed-off-by: Ivan Kozlovic <ivan@synadia.com>
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Micro service stats marshalls duration as a string instead of a number

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