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Thrift API

These APIs should be used by the clients connecting to the server to store and get results.

Any new client should only interact with the database through these APIs.

Table of Contents

Available APIs

Report server API

The report server API should be used by any client to view or store analysis results.

Authentication system API

The authentication layer is used for supporting privileged-access only access and permission management.

Product management system API

The product management layer is responsible for handling requests about the different products and their configuration.

API versioning

CodeChecker supports some backward compatibility between API versions.

The API version is automatically encoded into the POST request URLs made by Thrift in the following format:

http://example.com:8001/[product-name]/<API-version>/<API-service>

For example:

https://example.com:8001/Default/v6.0/CodeCheckerService

Executing make thrift in the web folder of CodeChecker will automatically build each API version to the build/ dir.

How to add new API versions

Minor API improvements

For minor changes, these changes should go into the existing API files, with appropriate Thrift-based versioning for structs where necessary.

Minor version changes should not change the behaviour and the invocation of already existing functions, only extend the API:

  1. After implementing the changes to the existing API files and handlers, you need to increase the SUPPORTED_VERSIONS tag in codechecker_web/shared/version.py. This dict stores for each major version, which is the highest supported minor version. In this case, simply increase the number by 1.
  2. Change the web/server/www/scripts/version.js file to represent the newest version, e.g. 6.1.

Major API changes

For major changes, a new API must be defined. Start by creating a full copy of the previous version's API to a new folder, e.g. v7.

NOTE! Make sure the Authentication service API contains the checkAPIVersion function. Each client is expected to call this function to test if the server accepts its version.

  1. The new API definition (thrift) files must have the namespace tag appropriately suffixed, e.g. _v7.
  2. Register a new major version in the SUPPORTED_VERSIONS dict in codechecker_web/shared/version.py, but do NOT change the previous major version's setting. The first minor version for every major version is 0, i.e. 7.0.
  3. Change the server/www/scripts/version.js to use the newest API, 7.0 in this case.
  4. Change the imports used in server/www/scripts/<site>/<site>.js (<site> is codecheckerviewer or productlist) to load the API client from the new version. Do the same with the Python code everywhere (including the tests) where API clients are used (client/codechecker_client).
  5. Implement requesting actions via the new API in the command-line and the Web client.
  6. In the server, implement the API handlers for the new version as separate Python modules.
  7. import these new API handlers to the server module, and in the do_POST method of the server, set up that API requests through major version 7 are routed to be handled by these new handlers. (Keep the formatting of imported names akin to those already in the file.)

How to delete API versions

Only major API versions can be deleted.

  1. Remove the thrift API definition's folder from under api.
  2. Delete the API handler code from the server's files, and the routing declarations in the do_POST method.
  3. In the version.py, remove this major version's entry from the SUPPORTED_VERSIONS table.