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2024-01-29api: provide api definition over apiOle Troan1-2/+28
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>
2023-02-03vppapigen: fix incorrect comments in jsonOndrej Fabry1-1/+2
Type: fix Signed-off-by: Ondrej Fabry <ofabry@cisco.com> Change-Id: I241cefbbce98cf6fef83f36bd87ae2c1f4b067f0
2023-01-18vppapigen: include comments in jsonOle Troan1-0/+1
Type: feature Signed-off-by: Ole Troan <ot@cisco.com> Change-Id: Ibd796adea734b64d9209c5e18c5b9800cbaf62c6 Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2022-08-05vppapigen: make json in parallelNathan Skrzypczak1-1/+1
Type: improvement This patches makes the make json-api-files run in parallel in the same python runtime. Default number of workers is 8, and run time goes from ~20s to ~2s on average. Change-Id: Id8cff013889db2671f6b6b4af9a019460c656f81 Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>
2022-05-10tests: replace pycodestyle with blackKlement Sekera1-30/+29
Drop pycodestyle for code style checking in favor of black. Black is much faster, stable PEP8 compliant code style checker offering also automatic formatting. It aims to be very stable and produce smallest diffs. It's used by many small and big projects. Running checkstyle with black takes a few seconds with a terse output. Thus, test-checkstyle-diff is no longer necessary. Expand scope of checkstyle to all python files in the repo, replacing test-checkstyle with checkstyle-python. Also, fixstyle-python is now available for automatic style formatting. Note: python virtualenv has been consolidated in test/Makefile, test/requirements*.txt which will eventually be moved to a central location. This is required to simply the automated generation of docker executor images in the CI. Type: improvement Change-Id: I022a326603485f58585e879ac0f697fceefbc9c8 Signed-off-by: Klement Sekera <klement.sekera@gmail.com> Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2021-03-05vppapigen: expose the values of per-message "options" in the api.json filesAndrew Yourtchenko1-0/+1
Also fix the vapi parser's assumption about what the container with CRC is supposed to look like.. Change-Id: I3a23ef6c1502232742c03d227eb3654fb757709c Type: improvement Signed-off-by: Andrew Yourtchenko <ayourtch@gmail.com>
2020-12-04vppapigen: add parser support for enumflagsPaul Vinciguerra1-0/+2
Type: improvement Change-Id: I0f15862cc8399a4f7c8a81fe44ba8b27d8772278 Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com> Signed-off-by: Ole Troan <ot@cisco.com> (cherry picked from commit e15523297bb3905f2e0eef4272fc69a8a92463cc)
2020-11-21vppapigen: move import processing logic to individual pluginsPaul Vinciguerra1-0/+2
Vppapigen currently embeds the import following control logic in the runner. This change delegates the control to the plugins. Type: refactor Change-Id: Iad20341bc9d652bedb71ca7037d3957fe60c7a0d Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
2020-10-13stats: counters data modelOle Troan1-0/+16
This adds a new data model for counters. Specifying the errors severity and unit. A later patch will update vpp_get_stats to take advantage of this. Only the map plugin is updates as an example. New .api language: A new "counters" keyword to define counter sets. counters map { none { severity info; type counter64; units "packets"; description "valid MAP packets"; }; bad_protocol { severity error; type counter64; units "packets"; description "bad protocol"; }; }; Each counter has 4 keywords. severity, which is one of error, info or warn. A type, which is one of counter64 or gauge64. units, which is a text field using units from YANG. paths { "/err/ip4-map" "map"; "/err/ip6-map" "map"; "/err/ip4-t-map" "map"; "/err/ip6-t-map" "map"; }; A new paths keyword that maps the counter-set to a path in the stats segment KV store. Updated VPP CLI to include severity so user can see error counter severity. DBGvpp# show errors Count Node Reason Severity 13 ethernet-input no error error Type: feature Signed-off-by: Ole Troan <ot@cisco.com> Change-Id: Ib2177543f49d4c3aef4d7fa72476cff2068f7771 Signed-off-by: Ole Troan <ot@cisco.com>
2020-05-25api: add new stream message conventionOle Troan1-0/+2
Instead of having to wrap dump/detail calls in control ping, send details messages in between a normal reply / request pair. As expressed in the below service statement. Example: service { rpc map_domains_gets returns map_domains_get_reply stream map_domain_details; }; define map_domains_get { u32 client_index; u32 context; u32 cursor; }; define map_domains_get_reply { u32 context; i32 retval; u32 cursor; }; To avoid blocking the main thread for too long, the replies are now sent in client message queue size chunks. The reply message returns VNET_API_ERROR_EAGAIN when there is more to read. The API handler must also include a "cursor" that is used to the next call to the get function. API handler example: REPLY_AND_DETAILS_MACRO (VL_API_MAP_DOMAINS_GET_REPLY, mm->domains, ({ send_domain_details (cursor, rp, mp->context); })); The macro starts from cursor and iterates through the pool until vl_api_process_may_suspend() returns true or the iteration reaches the end of the list. Client Example: cursor = 0 d = [] while True: rv, details = map_domains_get(cursor=cursor) d += details if rv.retval == 0 or rv.retval != -165: break cursor = rv.cursor or the convenience iterator: for x in vpp.details_iter(vpp.api.map_domains_get): pass or list(details_iter(map_domains_get)) Change-Id: Iad9f6b41b0ef886adb584c97708dd91cf552749e Type: feature Signed-off-by: Ole Troan <ot@cisco.com>
2020-02-26vppapigen: list imports in JSONOndrej Fabry1-0/+7
Type: fix Change-Id: If50477f2487d8c13f91c119a1492370e6e937904 Signed-off-by: Ondrej Fabry <ofabry@cisco.com>
2019-09-25api: split api generated filesOle Troan1-1/+1
Split generation of API message enum and the typedefs into separate files, so that the type file can be included from elsewhere. Generate a C file for VPP that contains the API registration, this was previously done via X macros by the C pre- processor. This allows deleting lots of skeleton/copy paste code for each feature. plugins/flowprobe plugins/map examples/sample-plugin vnet/ipip used as Guinea pigs. Generate a C Test file for VAT, that does the same for VAT plugins. Also add support for a per-message CLI option, that is currently limited to VAT help text. option vat_help = "<help text>"; Type: refactor Change-Id: I245e3104bb76f7e1fb69a59ab20cc7c8dfcdd460 Signed-off-by: Ole Troan <ot@cisco.com>
2019-09-19api: split vl_api_prefix into twoOle Troan1-2/+1
One type for address with prefix and one type for prefix. Type: fix Signed-off-by: Ole Troan <ot@cisco.com> Change-Id: Icfec51d9b7d5cde1d69fbecdd97498688ab7b295 Signed-off-by: Ole Troan <ot@cisco.com> Signed-off-by: Klement Sekera <ksekera@cisco.com> Signed-off-by: Ole Troan <ot@cisco.com>
2019-09-16api: autogenerate api trace print/endianOle Troan1-6/+12
In addition to the external vppapitrace tool, VPP itself supports dumping of API trace files. In two formats, "custom-dump" and "dump". "dump" gives a human friendly list, and "custom-dump" is meant to give a list of commands that can be fed to VAT. This patch only deals with "dump". Prior to this fix, auto-generation was only done for the basic types. This fix adds support for any type, including lists, and supports pretty-printing of enums, strings, IP addresses, MAC addresses and so on. Usage: api trace dump <api-trace-file> For example Change-Id: I4e485680e6dcfce7489299ae6cf31d835071ac40 ---------- trace 48 ----------- vl_api_sw_interface_set_flags_t: _vl_msg_id: 75 client_index: 0 context: 10 sw_if_index: 1 flags: IF_STATUS_API_FLAG_ADMIN_UP ---------- trace 49 ----------- vl_api_sw_interface_add_del_address_t: _vl_msg_id: 88 client_index: 0 context: 11 sw_if_index: 1 is_add: 1 del_all: 0 prefix: 172.16.1.1/24 ---------- trace 51 ----------- vl_api_cli_inband_t: _vl_msg_id: 819 client_index: 0 context: 13 cmd: packet-generator capture pg0 pcap /tmp/vpp-unittest-TestMAP-YhcmDX/pg0_out.pcap disable ---------- trace 58 ----------- vl_api_ip_neighbor_add_del_t: _vl_msg_id: 199 client_index: 0 context: 20 is_add: 1 neighbor: sw_if_index: 2 flags: IP_API_NEIGHBOR_FLAG_NONE mac_address: 0202.0000.ff02 ip_address: fd01:2::2 Signed-off-by: Ole Troan <ot@cisco.com> Change-Id: I5556d06008de2762e7c2d35a8b0963ae670b3db1 Type: fix Signed-off-by: Ole Troan <ot@cisco.com> Signed-off-by: Ole Troan <ot@cisco.com> Signed-off-by: Ole Troan <ot@cisco.com> Signed-off-by: Ole Troan <ot@cisco.com> Signed-off-by: Ole Troan <ot@cisco.com> Signed-off-by: Ole Troan <ot@cisco.com> Signed-off-by: Ole Troan <ot@cisco.com> Signed-off-by: Ole Troan <ot@cisco.com>
2019-06-07vppapigen: Fold up CRC from dependent types.Ole Troan1-5/+5
Change-Id: Id51f26f225cd567ca19efc2301e94fa88840ae8f Signed-off-by: Ole Troan <ot@cisco.com> Type: fix Signed-off-by: Ole Troan <ot@cisco.com>
2019-04-29API: Add support for limits to language.Ole Troan1-1/+4
string name [limit = 64]; Meta-data to do argument validation. Change-Id: I1f3e0f09b2d5285224399413d25206f77bd3f4b1 Signed-off-by: Ole Troan <ot@cisco.com>
2019-02-26vppapigen: Expose "option version" in generated JSON file.Ole Troan1-0/+1
Change-Id: Iaa78ee181589584885b0f377eafb89e603718bd4 Signed-off-by: Ole Troan <ot@cisco.com>
2018-12-13API: Use string type instead of u8.Ole Troan1-6/+5
The new string type is modelled after string in proto3. It is always variable length. Change-Id: I64884067e28a80072c8dac31b7c7c82d6e306051 Signed-off-by: Ole Troan <ot@cisco.com> Signed-off-by: Michal Cmarada <mcmarada@cisco.com> Signed-off-by: Ole Troan <ot@cisco.com>
2018-11-29API: Add support for type aliasesOle Troan1-0/+1
Previously all types are compound. This adds support for aliases, so one can do things like: typedef u32 interface_index; or typedef u8 ip4_address[4]; Change-Id: I0455cad0123fc88acb491d2a3ea2725426bdb246 Signed-off-by: Ole Troan <ot@cisco.com> Signed-off-by: Klement Sekera <ksekera@cisco.com>
2018-09-13Fix: vppapigen make build fails on fresh installPaul Vinciguerra1-0/+69
Steps to reproduce: vagrant@localhost:/vagrant$ build-root/vagrant/build.sh ... @@@@ Building vpp in /vagrant/build-root/build-vpp-native/vpp @@@@ [51/1169] Generating API header /vagrant/build-root/build-vpp-native/vpp/vlibmemory/memclnt.api.json FAILED: cd /vagrant/build-root/build-vpp-native/vpp/vlibmemory && mkdir -p /vagrant/build-root/build-vpp-native/vpp/vlibmemory && /vagrant/src/tools/vppapigen/vppapigen --includedir /vagrant/src --input /vagrant/src/vlibmemory/memclnt.api JSON --output /vagrant/build-root/build-vpp-native/vpp/vlibmemory/memclnt.api.json AttributeError: 'module' object has no attribute 'dumps' This seems to be due to JSON.py namespace colliding with the standard lib json.py Change-Id: If389e4e05ef0c166b0c2b3bef7ec0185298679a8 Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>