vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2016-03-28	event logger skeletons, improve debug CLI	Dave Barach	1	-0/+28

/* * Copyright (c) 2015 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. */ /* * cli.h: command line interface * * Copyright (c) 2008 Eliot Dresselhaus * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef included_vlib_cli_h #define included_vlib_cli_h #include <vppinfra/format.h> struct vlib_cli_command_t; typedef struct { u32 min_char; /* Indexed by name[position] - min_char. */ uword **bitmaps; } vlib_cli_parse_position_t; typedef struct { u8 *name; u32 index; } vlib_cli_sub_command_t; typedef struct { u8 *name; u32 rule_index; u32 command_index; } vlib_cli_sub_rule_t; typedef struct { char *name; char *short_help; char *long_help; /* Number of bytes in parsed data. Zero for vector. */ uword data_size; unformat_function_t *unformat_function; /* Opaque for unformat function. */ uword unformat_function_arg[2]; } vlib_cli_parse_rule_t; /* CLI command callback function. */ typedef clib_error_t *(vlib_cli_command_function_t) (struct vlib_main_t * vm, unformat_input_t * input, struct vlib_cli_command_t * cmd); typedef struct vlib_cli_command_t { /* Command path (e.g. "show something"). Spaces delimit elements of path. */ char *path; /* Short/long help strings. */ char *short_help; char *long_help; /* Callback function. */ vlib_cli_command_function_t *function; /* Opaque. */ uword function_arg; /* Known MP-safe? */ uword is_mp_safe; /* Sub commands for this command. */ vlib_cli_sub_command_t *sub_commands; /* Hash table mapping name (e.g. last path element) to sub command index. */ uword *sub_command_index_by_name; /* bitmap[p][c][i] says whether sub-command i has character c in position p. */ vlib_cli_parse_position_t *sub_command_positions; /* Hash table mapping name (e.g. last path element) to sub rule index. */ uword *sub_rule_index_by_name; /* Vector of possible parse rules for this path. */ vlib_cli_sub_rule_t *sub_rules; /* List of CLI commands, built by constructors */ struct vlib_cli_command_t *next_cli_command; /* Hit counter */ u32 hit_counter; } vlib_cli_command_t; typedef void (vlib_cli_output_function_t) (uword arg, u8 * buffer, uword buffer_bytes); typedef struct { /* Vector of all known commands. */ vlib_cli_command_t *commands; /* Hash table mapping normalized path to index into all_commands. */ uword *command_index_by_path; /* registration list added by constructors */ vlib_cli_command_t *cli_command_registrations; /* index vector, to sort commands, etc. */ u32 *sort_vector; } vlib_cli_main_t; #ifndef CLIB_MARCH_VARIANT #define VLIB_CLI_COMMAND(x,...) \ __VA_ARGS__ vlib_cli_command_t x; \ static void __vlib_cli_command_registration_##x (void) \ __attribute__((__constructor__)) ; \ static void __vlib_cli_command_registration_##x (void) \ { \ vlib_main_t * vm = vlib_get_main(); \ vlib_cli_main_t *cm = &vm->cli_main; \ x.next_cli_command = cm->cli_command_registrations; \ cm->cli_command_registrations = &x; \ } \ static void __vlib_cli_command_unregistration_##x (void) \ __attribute__((__destructor__)) ; \ static void __vlib_cli_command_unregistration_##x (void) \ { \ vlib_main_t * vm = vlib_get_main(); \ vlib_cli_main_t *cm = &vm->cli_main; \ VLIB_REMOVE_FROM_LINKED_LIST (cm->cli_command_registrations, &x, \ next_cli_command); \ } \ __VA_ARGS__ vlib_cli_command_t x #else /* create unused pointer to silence compiler warnings and get whole function optimized out */ #define VLIB_CLI_COMMAND(x,...) \ static __clib_unused vlib_cli_command_t __clib_unused_##x #endif #define VLIB_CLI_PARSE_RULE(x) \ vlib_cli_parse_rule_t x /* Output to current CLI connection. */ void vlib_cli_output (struct vlib_main_t *vm, char *fmt, ...); /* Process CLI input. */ int vlib_cli_input (struct vlib_main_t *vm, unformat_input_t * input, vlib_cli_output_function_t * function, uword function_arg); clib_error_t *vlib_cli_register (struct vlib_main_t *vm, vlib_cli_command_t * c); clib_error_t *vlib_cli_register_parse_rule (struct vlib_main_t *vm, vlib_cli_parse_rule_t * c); uword unformat_vlib_cli_sub_input (unformat_input_t * i, va_list * args); /* Return an vector of strings consisting of possible auto-completions * for a given input string */ u8 **vlib_cli_get_possible_completions (u8 * input_str); #endif /* included_vlib_cli_h */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */