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Diffstat (limited to 'src/swanctl/command.h')
-rw-r--r-- | src/swanctl/command.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/swanctl/command.h b/src/swanctl/command.h new file mode 100644 index 000000000..8510fa44d --- /dev/null +++ b/src/swanctl/command.h @@ -0,0 +1,108 @@ +/* + * Copyright (C) 2009 Martin Willi + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +/** + * @defgroup command command + * @{ @ingroup swanctl + */ + +#ifndef COMMAND_H_ +#define COMMAND_H_ + +#include <libvici.h> +#include <library.h> + +/** + * Maximum number of commands (+1). + */ +#define MAX_COMMANDS 16 + +/** + * Maximum number of options in a command (+3) + */ +#define MAX_OPTIONS 32 + +/** + * Maximum number of usage summary lines (+1) + */ +#define MAX_LINES 10 + +typedef struct command_t command_t; +typedef struct command_option_t command_option_t; +typedef enum command_format_options_t command_format_options_t; + +/** + * Option specification + */ +struct command_option_t { + /** long option string of the option */ + char *name; + /** short option character of the option */ + char op; + /** expected argument to option, no/req/opt_argument */ + int arg; + /** description of the option */ + char *desc; +}; + +/** + * Command specification. + */ +struct command_t { + /** Function implementing the command */ + int (*call)(vici_conn_t *conn); + /** short option character */ + char op; + /** long option string */ + char *cmd; + /** description of the command */ + char *description; + /** usage summary of the command */ + char *line[MAX_LINES]; + /** list of options the command accepts */ + command_option_t options[MAX_OPTIONS]; +}; + +/** + * Command format options +*/ +enum command_format_options_t { + COMMAND_FORMAT_NONE = 0, + COMMAND_FORMAT_RAW = (1<<0), + COMMAND_FORMAT_PRETTY = (1<<1), + COMMAND_FORMAT_PEM = (1<<2), +}; + +/** + * Get the next option, as with getopt. + */ +int command_getopt(char **arg); + +/** + * Register a command. + */ +void command_register(command_t command); + +/** + * Dispatch commands. + */ +int command_dispatch(int argc, char *argv[]); + +/** + * Show usage information of active command. + */ +int command_usage(char *error, ...); + +#endif /** COMMAND_H_ @}*/ |