main.c File Reference

Main robot implementation. More...

#include <errno.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <fcntl.h>
#include <getopt.h>
#include <sys/wait.h>
#include <unistd.h>
#include "common.h"
#include <tidybuffio.h>
#include "config.h"
#include "dlpo.h"
#include "hash.h"
#include "html.h"
#include "numeraria.h"
#include "utils.h"
#include "wikt.h"

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Data Structures
struct	config
	machinatrix-specific configuration. More...
struct	mtrix_cmd
	Structure that associates a mtrix_cmd_f to a command. More...
struct	stats
	Accumulates lookup statistics. More...

Macros
#define	DICT_FILE   "/usr/share/dict/words"
	Dictionary file used for commands that require a list of words.

Typedefs
typedef bool	mtrix_cmd_f(const struct config *, const char *const *)
	Function that handles a command.

Enumerations
enum	{ MAX_PATH = MTRIX_MAX_PATH , MAX_UNIX_PATH = MTRIX_MAX_UNIX_PATH , STATS_WIKT = 0 , STATS_DLPO = 1 }

Functions
int	main (int argc, const char *const *argv)
	Program entry point.
static bool	parse_args (int argc, char *const **argv, struct config *config)
	Parses command-line arguments and fills config.
static void	usage (FILE *f)
	Prints a usage message.
static void	config_init (struct config *config)
	Initializes values in config.
static bool	config_init_numeraria (struct config *config)
	Initializes values in config.
static bool	config_destroy (struct config *config)
	Destructs config.
static bool	config_record_command (const struct config *config, const char *const *argv)
	Records that a command will be executed, along with its arguments.
static bool	handle_cmd (const struct config *config, const char *const *argv)
	Handles a command passed via the command line.
static bool	handle_file (const struct config *config, FILE *f)
	Handles commands read as lines from a file.
static bool	str_to_args (char *str, size_t max_args, char **argv)
	Breaks string into space-separated parts.
static bool	cmd_help (const struct config *config, const char *const *argv)
	Implements the help command.
static bool	cmd_ping (const struct config *config, const char *const *argv)
	Implements the ping command.
static bool	cmd_word (const struct config *config, const char *const *argv)
	Implements the word command.
static bool	cmd_abbr (const struct config *config, const char *const *argv)
	Implements the abbr command.
static bool	cmd_damn (const struct config *config, const char *const *argv)
	Implements the damn command.
static bool	cmd_parl (const struct config *config, const char *const *argv)
	Implements the parl command.
static bool	cmd_bard (const struct config *config, const char *const *argv)
	Implements the bard command.
static bool	cmd_dlpo (const struct config *config, const char *const *argv)
	Implements the dlpo command.
static bool	cmd_wikt (const struct config *config, const char *const *argv)
	Implements the wikt command.
static bool	cmd_tr (const struct config *config, const char *const *argv)
	Implements the tr command.
static bool	cmd_stats (const struct config *config, const char *const *argv)
	Implements the stats command.
static bool	stats_increment (const struct config *config, uint8_t opt)
	Increments the count on wikt and dlpo lookups.
static bool	stats_file (const struct config *config)
	Print stats from local file.
static bool	stats_numeraria (const struct config *config)
	Print stats from numeraria.

Variables
const char *	PROG_NAME = NULL
	To be filled by argv[0] later, for logging.
const char *	CMD_NAME = NULL
	Set while processing a command.
struct mtrix_cmd	COMMANDS []
	Maps a command name to the function that handles it.

Detailed Description

Main robot implementation.

Macro Definition Documentation

DICT_FILE

#define DICT_FILE   "/usr/share/dict/words"

Dictionary file used for commands that require a list of words.

Typedef Documentation

mtrix_cmd_f

typedef bool mtrix_cmd_f(const struct config *, const char *const *)

Function that handles a command.

Function Documentation

cmd_abbr()

bool cmd_abbr ( const struct config * config, const char *const * argv )

static

Implements the abbr command.

cmd_bard()

bool cmd_bard ( const struct config * config, const char *const * argv )

static

Implements the bard command.

cmd_damn()

bool cmd_damn ( const struct config * config, const char *const * argv )

static

Implements the damn command.

cmd_dlpo()

bool cmd_dlpo ( const struct config * config, const char *const * argv )

static

Implements the dlpo command.

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cmd_help()

bool cmd_help ( const struct config * config, const char *const * argv )

static

Implements the help command.

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cmd_parl()

bool cmd_parl ( const struct config * config, const char *const * argv )

static

Implements the parl command.

cmd_ping()

bool cmd_ping ( const struct config * config, const char *const * argv )

static

Implements the ping command.

cmd_stats()

bool cmd_stats ( const struct config * config, const char *const * argv )

static

Implements the stats command.

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cmd_tr()

bool cmd_tr ( const struct config * config, const char *const * argv )

static

Implements the tr command.

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cmd_wikt()

bool cmd_wikt ( const struct config * config, const char *const * argv )

static

Implements the wikt command.

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cmd_word()

bool cmd_word ( const struct config * config, const char *const * argv )

static

Implements the word command.

config_destroy()

bool config_destroy ( struct config * config )

static

Destructs config.

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config_init()

void config_init ( struct config * config )

static

Initializes values in config.

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config_init_numeraria()

bool config_init_numeraria ( struct config * config )

static

Initializes values in config.

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config_record_command()

bool config_record_command ( const struct config * config, const char *const * argv )

static

Records that a command will be executed, along with its arguments.

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handle_cmd()

bool handle_cmd ( const struct config * config, const char *const * argv )

static

Handles a command passed via the command line.

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handle_file()

bool handle_file ( const struct config * config, FILE * f )

static

Handles commands read as lines from a file.

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main()

int main	(	int	argc,
		const char *const *	argv )

Program entry point.

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parse_args()

bool parse_args ( int argc, char *const ** argv, struct config * config )

static

Parses command-line arguments and fills config.

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stats_file()

bool stats_file ( const struct config * config )

static

Print stats from local file.

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stats_increment()

bool stats_increment ( const struct config * config, uint8_t opt )

static

Increments the count on wikt and dlpo lookups.

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stats_numeraria()

bool stats_numeraria ( const struct config * config )

static

Print stats from numeraria.

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str_to_args()

bool str_to_args ( char * str, size_t max_args, char ** argv )

static

Breaks string into space-separated parts.

Parameters

str	Input string, modified to include null terminators.
max_args	Maximum length for argv, including the null terminator.
argv	Populated with pointers to the null-terminated strings in str.

Returns

false if str contains more than max_args

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usage()

void usage ( FILE * f )

static

Prints a usage message.

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Variable Documentation

CMD_NAME

const char* CMD_NAME = NULL

Set while processing a command.

Command name, used as a second prefix for log messages if non-NULL.

COMMANDS

struct mtrix_cmd COMMANDS[]

Initial value:

= {
    {0x00005979ab, "tr",    cmd_tr},
    {0x017c93ee3c, "abbr",  cmd_abbr},
    {0x017c94785e, "bard",  cmd_bard},
    {0x017c959085, "damn",  cmd_damn},
    {0x017c95bfb4, "dlpo",  cmd_dlpo},
    {0x017c97d2ee, "help",  cmd_help},
    {0x017c9c25b4, "parl",  cmd_parl},
    {0x017c9c4733, "ping",  cmd_ping},
    {0x017ca01d84, "wikt",  cmd_wikt},
    {0x017ca037e1, "word",  cmd_word},
    {0x3110614a14, "stats", cmd_stats},
    {0},
}

Maps a command name to the function that handles it.

Terminated by a {NULL, NULL} entry.

PROG_NAME

const char* PROG_NAME = NULL

To be filled by argv[0] later, for logging.

Program name, used as a prefix for log messages if non-NULL.