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-rw-r--r--src/swanctl/command.h108
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diff --git a/src/swanctl/command.h b/src/swanctl/command.h
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+/*
+ * 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_ @}*/