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2019-08-08api: vppapitrace JSON/API trace converterOle Troan1-5/+5
usage: vppapitrace.py [-h] [--debug] [--apidir APIDIR] {convert,replay} ... optional arguments: -h, --help show this help message and exit --debug enable debug mode --apidir APIDIR Location of JSON API definitions subcommands: valid subcommands {convert,replay} additional help convert Convert API trace to JSON or Python and back replay Replay messages to running VPP instance To convert an API trace file to JSON: vppapitrace convert /tmp/api.trace trace.json To convert an (edited) JSON file back to API trace for replay: vppapitrace convert trace.json api-edited.trace To generate a Python file that can be replayed: vppapitrace convert /tmp/api.trace trace.py vppapitrace convert trace.json trace.py Replay it to a running VPP instance: vppapitrace replay --socket /tmp/api.trace In VPP that file can be replayed with: vpp# api trace replay api-edited.trace This patch also modifies the API binary trace format, to include the message id to message name table. Change-Id: Ie6441efb53c1c93c9f778f6ae9c1758bccc8dd87 Type: refactor Signed-off-by: Ole Troan <ot@cisco.com>
2019-08-08api: api socket respect unix runtime directoryOle Troan1-19/+8
socksvr {} should respect the unix runtime directory. Default is now /run/vpp/api.sock The 'default' keyword is deprecated. The user is responsible for creating directories outside of the unix runtime directory. Not yet done: Exit VPP when socket cannot be opened. (currently only process exits). Type: fix Signed-off-by: Ole Troan <ot@cisco.com> Change-Id: I6dd66ed58a3d7e02674dfa16d72c1d7bba07b79e
2019-07-03api: remove garbage from sockclnt_create replyVratko Polak1-2/+3
The fix uses memset to zero after alloc, as sizing of source string is not obvious. Function vl_msg_api_alloc_zero is added (and used), so similar bugs can be fixed easily. Type: fix Ticket: VPP-1716 Change-Id: I3b20040d0de4222686c58779f2c0af78c5543504 Signed-off-by: Vratko Polak <vrpolak@cisco.com>
2019-05-16init / exit function orderingDave Barach1-5/+2
The vlib init function subsystem now supports a mix of procedural and formally-specified ordering constraints. We should eliminate procedural knowledge wherever possible. The following schemes are *roughly* equivalent: static clib_error_t *init_runs_first (vlib_main_t *vm) { clib_error_t *error; ... do some stuff... if ((error = vlib_call_init_function (init_runs_next))) return error; ... } VLIB_INIT_FUNCTION (init_runs_first); and static clib_error_t *init_runs_first (vlib_main_t *vm) { ... do some stuff... } VLIB_INIT_FUNCTION (init_runs_first) = { .runs_before = VLIB_INITS("init_runs_next"), }; The first form will [most likely] call "init_runs_next" on the spot. The second form means that "init_runs_first" runs before "init_runs_next," possibly much earlier in the sequence. Please DO NOT construct sets of init functions where A before B actually means A *right before* B. It's not necessary - simply combine A and B - and it leads to hugely annoying debugging exercises when trying to switch from ad-hoc procedural ordering constraints to formal ordering constraints. Change-Id: I5e4353503bf43b4acb11a45fb33c79a5ade8426c Signed-off-by: Dave Barach <dave@barachs.net>
2019-05-09bapi: separate init shm reply from fd exchangeFlorin Coras1-1/+17
Wait for init shm reply to be consumed before sending fd over the socket. Change-Id: I5cd0246d8debcc3c8a163b7e2dd400ca0050a2fb Signed-off-by: Florin Coras <fcoras@cisco.com>
2019-04-23API: Python and Unix domain socket improvementOle Troan1-2/+1
Handle the case where buffer overflows. Then SOCK_SEQPACKET assumption that multiple API messages are not returned by recv() is broken. Use SOCK_STREAM for API exchanges instead. Add support for running tests over sockets. make test SOCKET=1 Change-Id: Ibe5fd69b1bf617de4c7ba6cce0a7c2b3f97a2821 Signed-off-by: Ole Troan <ot@cisco.com>
2019-01-05socket API: Use pool index instead of handle in sock_delete handlerOle Troan1-1/+1
The socket API used the socket index handle directly in the sock_delete handler, resulting in "unknown client id" warnings, and a failure in return for socket clients. Change-Id: Ia69f740ce0f834cd9b62b7157243a1f42bcad765 Signed-off-by: Ole Troan <ot@cisco.com>
2018-11-14Remove c-11 memcpy checks from perf-critical codeDave Barach1-3/+3
Change-Id: Id4f37f5d4a03160572954a416efa1ef9b3d79ad1 Signed-off-by: Dave Barach <dave@barachs.net>
2018-10-23c11 safe string handling supportDave Barach1-5/+5
Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab Signed-off-by: Dave Barach <dave@barachs.net>
2018-10-03sock api: fix registrations and client readsFlorin Coras1-5/+27
- When clients connect, instead of returing registration indicies return handles. By convention socket registrations will have the MSB set to 1. This makes it easy to distinguish them from shm registrations. - Fix client reads to allow for messages larger than 4kB (needed for the creat reply wherein the message table is provided). Change-Id: I7bc0a072d066dffbf2e3ad9ba3ed50291231af9d Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-10-02PAPI: Use UNIX domain sockets instead of shared memoryOle Troan1-29/+72
Adds support for running the API purely across Unix domain sockets. Usage: vpp = VPP(use_socket=True) Change-Id: Iafc1301e03dd3edc3f4d702dd6c0b98d3b50b69e Signed-off-by: Ole Troan <ot@cisco.com>
2018-09-19socket api: do not delay sending of messagesFlorin Coras1-58/+35
Instead of relying on main epoll loop to send messages, try to send as soon as possible. Change-Id: I27c0b4076f3599ad6e968df4746881a6717d4299 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-08-10vcl: support for eventfd mq signalingFlorin Coras1-2/+2
- support eventfd based mq signaling. Based on configuration, vcl epoll/select can use either condvars or epoll on mq eventfds. - add vcl support for memfd segments - vpp explicitly registers cut-through segments with apps/vcl - if using eventfd, make ldp allow one call to libc_epoll_create. Needed for the message queue epfd - update svm_queue_t to allow blocking calls with eventfd signaling. Change-Id: I064151ac370bbe29bb16c968bf4e3659c8286bea Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-08-04socket api: multiple fds in one msgFlorin Coras1-7/+7
Change-Id: I77a6e092a42290eed7201ad4a62e0d00ef997d2b Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-05-10Remove the historical memfd api segment bootstrapDave Barach1-66/+25
Clean up default and vpp_api_test custom private api segment allocator ring configurations. Change-Id: I145b6d64ba0a6315b5ccb07909c8256eeb772146 Signed-off-by: Dave Barach <dave@barachs.net>
2018-01-25session: add support for memfd segmentsFlorin Coras1-20/+22
- update segment manager and session api to work with both flavors of ssvm segments - added generic ssvm slave/master init and del functions - cleanup/refactor tcp_echo - fixed uses of svm fifo pool as vector Change-Id: Ieee8b163faa407da6e77e657a2322de213a9d2a0 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-01-15svm: refactor memfd and remove ssvm_ethFlorin Coras1-9/+9
Change-Id: Icde296e956eb89ea3a17d547f04a833916ec6440 Signed-off-by: Florin Coras <fcoras@cisco.com>
2018-01-09api: refactor vlibmemoryFlorin Coras1-0/+804
- separate client/server code for both memory and socket apis - separate memory api code from generic vlib api code - move unix_shared_memory_fifo to svm and rename to svm_fifo_t - overall declutter Change-Id: I90cdd98ff74d0787d58825b914b0f1eafcfa4dc2 Signed-off-by: Florin Coras <fcoras@cisco.com>