--- /dev/null
+/*
+ * 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;
+
+} 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;
+
+ /* Vector of all known parse rules. */
+ vlib_cli_parse_rule_t *parse_rules;
+
+ /* Hash table mapping parse rule name to index into parse_rule vector. */
+ uword *parse_rule_index_by_name;
+
+ /* Data parsed for rules. */
+ void **parse_rule_data;
+
+ /* registration list added by constructors */
+ vlib_cli_command_t *cli_command_registrations;
+} vlib_cli_main_t;
+
+#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; \
+} \
+__VA_ARGS__ vlib_cli_command_t x
+#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. */
+void 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);
+
+#endif /* included_vlib_cli_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff