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api: provide api definition over api

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This patch allows a client to bootstrap itself by downloading the
JSON API definitions over the API itself.

This patch enables it for Python (probably need a dynamic language).
Call VPPApiClient with the new bootstrapapi=True parameter.

Example (Python):

from vpp_papi import VPPApiClient
vpp = VPPApiClient(bootstrapapi=True)
rv = vpp.connect("foobar")
assert rv == 0
print(f'SHOW VERSION: {vpp.api.show_version()}')
vpp.disconnect()

Type: feature
Change-Id: Id903fdccc82b2e22aa1994331d2c150253f2ccae
Signed-off-by: Ole Troan <otroan@employees.org>
This commit is contained in:
Ole Troan
2024-01-23 18:56:23 +01:00
committed by Andrew Yourtchenko
parent f34b6800de
commit ac0babd412
10 changed files with 968 additions and 29 deletions
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2
src/cmake/api.cmake
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@ -64,7 +64,7 @@ function(vpp_generate_api_json_header file dir component)
add_custom_command (OUTPUT ${output_name}
COMMAND mkdir -p ${output_dir}
COMMAND ${PYENV} ${VPP_APIGEN}
ARGS ${includedir} --includedir ${CMAKE_SOURCE_DIR} --input ${CMAKE_CURRENT_SOURCE_DIR}/${file} JSON --output ${output_name}
ARGS ${includedir} --includedir ${CMAKE_SOURCE_DIR} --input ${CMAKE_CURRENT_SOURCE_DIR}/${file} JSON --outputdir ${output_dir} --output ${output_name}
DEPENDS ${VPP_APIGEN} ${CMAKE_CURRENT_SOURCE_DIR}/${file}
COMMENT "Generating API header ${output_name}"
)