[Backport 2.x] Adding support for handling multiple transport protocols (#12967)

[VachaShah]

Description

Backport #12967 to 2.x

Related Issues

Resolves #[Issue number to be closed when this PR is merged]

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Failing checks are inspected and point to the corresponding known issue(s) (See: Troubleshooting Failing Builds)
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)
• Public documentation issue/PR created

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For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

Compatibility status:

Checks if related components are compatible with change 99c23d8

Incompatible components

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/custom-codecs.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/flow-framework.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/performance-analyzer.git]

[github-actions]

❌ Gradle check result for 5580bbf: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for 99c23d8: null

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❕ Gradle check result for 99c23d8: UNSTABLE

• TEST FAILURES:

      1 org.opensearch.backwards.MixedClusterClientYamlTestSuiteIT.test {p0=indices.get_field_mapping/20_missing_field/Return empty object if field doesn't exist, but index does}

Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Attention: Patch coverage is 87.84195% with 40 lines in your changes are missing coverage. Please review.

Project coverage is 71.13%. Comparing base (0dd892c) to head (99c23d8).
Report is 119 commits behind head on 2.x.

Files	Patch %	Lines
...org/opensearch/transport/NativeMessageHandler.java	89.32%	11 Missing and 8 partials ⚠️
...port/nativeprotocol/NativeInboundBytesHandler.java	88.73%	0 Missing and 8 partials ⚠️
...java/org/opensearch/transport/InboundPipeline.java	66.66%	1 Missing and 3 partials ⚠️
...transport/nativeprotocol/NativeInboundMessage.java	90.90%	2 Missing and 2 partials ⚠️
.../java/org/opensearch/transport/InboundHandler.java	66.66%	1 Missing and 1 partial ⚠️
...in/java/org/opensearch/transport/TcpTransport.java	0.00%	2 Missing ⚠️
...java/org/opensearch/transport/TransportLogger.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x   #13125      +/-   ##
============================================
- Coverage     71.28%   71.13%   -0.16%     
- Complexity    60145    60502     +357     
============================================
  Files          4957     5000      +43     
  Lines        282799   285004    +2205     
  Branches      41409    41644     +235     
============================================
+ Hits         201591   202732    +1141     
- Misses        64189    65147     +958     
- Partials      17019    17125     +106     

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[VachaShah]

@reta Can you please approve this again? Somehow the minimum approval count check is not recognizing the approval. Thank you!!