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Diffstat (limited to 'extras/emacs/plugin-test-skel.el')
| -rw-r--r-- | extras/emacs/plugin-test-skel.el | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/extras/emacs/plugin-test-skel.el b/extras/emacs/plugin-test-skel.el new file mode 100644 index 00000000..837cbdaa --- /dev/null +++ b/extras/emacs/plugin-test-skel.el @@ -0,0 +1,212 @@ +;;; plugin-test-skel.el - vpp-api-test plug-in skeleton +;;; +;;; Copyright (c) 2016 Cisco and/or its affiliates. +;;; Licensed under the Apache License, Version 2.0 (the "License"); +;;; you may not use this file except in compliance with the License. +;;; You may obtain a copy of the License at: +;;; +;;; http://www.apache.org/licenses/LICENSE-2.0 +;;; +;;; Unless required by applicable law or agreed to in writing, software +;;; distributed under the License is distributed on an "AS IS" BASIS, +;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +;;; See the License for the specific language governing permissions and +;;; limitations under the License. + +(require 'skeleton) + +(define-skeleton skel-plugin-test +"Insert a plug-in vpp-api-test skeleton " +nil +'(if (not (boundp 'plugin-name)) + (setq plugin-name (read-string "Plugin name: "))) +'(setq PLUGIN-NAME (upcase plugin-name)) +'(setq capital-oh-en "ON") +"/* + * " plugin-name ".c - skeleton vpp-api-test plug-in + * + * Copyright (c) <current-year> <your-organization> + * Licensed under the Apache License, Version 2.0 (the \"License\"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an \"AS IS\" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include <vat/vat.h> +#include <vlibapi/api.h> +#include <vlibmemory/api.h> +#include <vlibsocket/api.h> +#include <vppinfra/error.h> + +uword unformat_sw_if_index (unformat_input_t * input, va_list * args); + +/* Declare message IDs */ +#include <" plugin-name "/" plugin-name "_msg_enum.h> + +/* define message structures */ +#define vl_typedefs +#include <" plugin-name "/" plugin-name "_all_api_h.h> +#undef vl_typedefs + +/* declare message handlers for each api */ + +#define vl_endianfun /* define message structures */ +#include <" plugin-name "/" plugin-name "_all_api_h.h> +#undef vl_endianfun + +/* instantiate all the print functions we know about */ +#define vl_print(handle, ...) +#define vl_printfun +#include <" plugin-name "/" plugin-name "_all_api_h.h> +#undef vl_printfun + +/* Get the API version number. */ +#define vl_api_version(n,v) static u32 api_version=(v); +#include <" plugin-name "/" plugin-name "_all_api_h.h> +#undef vl_api_version + + +typedef struct +{ + /* API message ID base */ + u16 msg_id_base; + vat_main_t *vat_main; +} " plugin-name "_test_main_t; + +" plugin-name "_test_main_t " plugin-name "_test_main; + +#define __plugin_msg_base " plugin-name"_test_main.msg_id_base +#include <vlibapi/vat_helper_macros.h> + +#define foreach_standard_reply_retval_handler \\ +_(" plugin-name "_enable_disable_reply) + +#define _(n) \\ + static void vl_api_##n##_t_handler \\ + (vl_api_##n##_t * mp) \\ + { \\ + vat_main_t * vam = " plugin-name "_test_main.vat_main; \\ + i32 retval = ntohl(mp->retval); \\ + if (vam->async_mode) { \\ + vam->async_errors += (retval < 0); \\ + } else { \\ + vam->retval = retval; \\ + vam->result_ready = 1; \\ + } \\ + } +foreach_standard_reply_retval_handler; +#undef _ + +/* + * Table of message reply handlers, must include boilerplate handlers + * we just generated + */ +#define foreach_vpe_api_reply_msg \\ +_(" PLUGIN-NAME "_ENABLE_DISABLE_REPLY, " plugin-name "_enable_disable_reply) + + +static int api_" plugin-name "_enable_disable (vat_main_t * vam) +{ + unformat_input_t * i = vam->input; + int enable_disable = 1; + u32 sw_if_index = ~0; + vl_api_" plugin-name "_enable_disable_t * mp; + int ret; + + /* Parse args required to build the message */ + while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT) + { + if (unformat (i, \"%U\", unformat_sw_if_index, vam, &sw_if_index)) + ; + else if (unformat (i, \"sw_if_index %d\", &sw_if_index)) + ; + else if (unformat (i, \"disable\")) + enable_disable = 0; + else + break; + } + + if (sw_if_index == ~0) + { + errmsg (\"missing interface name / explicit sw_if_index number \\n\"); + return -99; + } + + /* Construct the API message */ + M(" PLUGIN-NAME "_ENABLE_DISABLE, mp); + mp->sw_if_index = ntohl (sw_if_index); + mp->enable_disable = enable_disable; + + /* send it... */ + S(mp); + + /* Wait for a reply... */ + W (ret); + return ret; +} + +/* + * List of messages that the api test plugin sends, + * and that the data plane plugin processes + */ +#define foreach_vpe_api_msg \\ +_(" plugin-name "_enable_disable, \"<intfc> [disable]\") + +static void " plugin-name "_api_hookup (vat_main_t *vam) +{ + " plugin-name "_test_main_t * sm = &" plugin-name "_test_main; + /* Hook up handlers for replies from the data plane plug-in */ +#define _(N,n) \\ + vl_msg_api_set_handlers((VL_API_##N + sm->msg_id_base), \\ + #n, \\ + vl_api_##n##_t_handler, \\ + vl_noop_handler, \\ + vl_api_##n##_t_endian, \\ + vl_api_##n##_t_print, \\ + sizeof(vl_api_##n##_t), 1); + foreach_vpe_api_reply_msg; +#undef _ + + /* API messages we can send */ +#define _(n,h) hash_set_mem (vam->function_by_name, #n, api_##n); + foreach_vpe_api_msg; +#undef _ + + /* Help strings */ +#define _(n,h) hash_set_mem (vam->help_by_name, #n, h); + foreach_vpe_api_msg; +#undef _ +} + +clib_error_t * vat_plugin_register (vat_main_t *vam) +{ + " plugin-name "_test_main_t * sm = &" plugin-name "_test_main; + u8 * name; + + sm->vat_main = vam; + + /* Ask the vpp engine for the first assigned message-id */ + name = format (0, \"" plugin-name "_%08x%c\", api_version, 0); + sm->msg_id_base = vl_client_get_first_plugin_msg_id ((char *) name); + + if (sm->msg_id_base != (u16) ~0) + " plugin-name "_api_hookup (vam); + + vec_free(name); + + return 0; +} +/* + * fd.io coding-style-patch-verification: " capital-oh-en " + * + * Local Variables: + * eval: (c-set-style \"gnu\") + * End: + */ +") |