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/****************************************************************************
Freeciv - Copyright (C) 2005 - M.C. Kaufman
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, or (at your option)
any later version.
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.
****************************************************************************/
#ifdef HAVE_CONFIG_H
#include <fc_config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* utility */
#include "fcintl.h"
#include "log.h"
#include "md5.h"
#include "shared.h"
#include "support.h"
/* common */
#include "connection.h"
#include "packets.h"
/* server */
#include "connecthand.h"
#include "notify.h"
#include "sernet.h"
#include "srv_main.h"
/* server/scripting */
#ifdef HAVE_FCDB
#include "script_fcdb.h"
#endif /* HAVE_FCDB */
#include "fcdb.h"
/* If HAVE_FCDB is set, the freeciv database module is compiled. Else only
* some dummy functions are defiend. */
#ifdef HAVE_FCDB
enum fcdb_option_source {
AOS_DEFAULT, /* Internal default, currently not used */
AOS_FILE, /* Read from config file */
AOS_SET /* Set, currently not used */
};
struct fcdb_option {
enum fcdb_option_source source;
char *value;
};
#define SPECHASH_TAG fcdb_option
#define SPECHASH_ASTR_KEY_TYPE
#define SPECHASH_IDATA_TYPE struct fcdb_option *
#include "spechash.h"
#define fcdb_option_hash_data_iterate(phash, data) \
TYPED_HASH_DATA_ITERATE(struct fcdb_option *, phash, data)
#define fcdb_option_hash_data_iterate_end HASH_DATA_ITERATE_END
#define fcdb_option_hash_keys_iterate(phash, key) \
TYPED_HASH_KEYS_ITERATE(char *, phash, key)
#define fcdb_option_hash_keys_iterate_end HASH_KEYS_ITERATE_END
#define fcdb_option_hash_iterate(phash, key, data) \
TYPED_HASH_ITERATE(char *, struct fcdb_option *, phash, key, data)
#define fcdb_option_hash_iterate_end HASH_ITERATE_END
struct fcdb_option_hash *fcdb_config = NULL;
char *fcdb_script = NULL;
static bool fcdb_set_option(const char *key, const char *value,
enum fcdb_option_source source);
static bool fcdb_load_config(const char *filename);
/************************************************************************//**
Set one fcdb option (or delete it if value == NULL).
Replaces any previous setting.
****************************************************************************/
static bool fcdb_set_option(const char *key, const char *value,
enum fcdb_option_source source)
{
struct fcdb_option *oldopt = NULL;
bool removed;
if (value != NULL) {
struct fcdb_option *newopt = fc_malloc(sizeof(*newopt));
newopt->value = fc_strdup(value);
newopt->source = source;
removed = fcdb_option_hash_replace_full(fcdb_config, key, newopt,
NULL, &oldopt);
} else {
removed = fcdb_option_hash_remove_full(fcdb_config, key, NULL, &oldopt);
}
if (removed) {
/* Overwritten/removed an existing value */
fc_assert_ret_val(oldopt != NULL, FALSE);
FC_FREE(oldopt->value);
FC_FREE(oldopt);
}
return TRUE;
}
/************************************************************************//**
Load fcdb configuration from file.
We deliberately don't search datadirs for filename, as we don't want this
overridden by modpacks etc.
****************************************************************************/
static bool fcdb_load_config(const char *filename)
{
struct section_file *secfile;
const char *val;
fc_assert_ret_val(NULL != filename, FALSE);
if (!(secfile = secfile_load(filename, FALSE))) {
log_error(_("Cannot load fcdb config file '%s':\n%s"), filename,
secfile_error());
return FALSE;
}
val = secfile_lookup_str_default(secfile, NULL, "meta.lua");
if (val != NULL) {
fcdb_script = fc_strdup(val);
}
entry_list_iterate(section_entries(secfile_section_by_name(secfile,
"fcdb")),
pentry) {
if (entry_type_get(pentry) == ENTRY_STR) {
const char *value;
#ifndef FREECIV_NDEBUG
bool entry_str_get_success =
#endif /* FREECIV_NDEBUG */
entry_str_get(pentry, &value);
fc_assert(entry_str_get_success);
fcdb_set_option(entry_name(pentry), value, AOS_FILE);
} else {
log_error("Value for '%s' in '%s' is not of string type, ignoring",
entry_name(pentry), filename);
}
} entry_list_iterate_end;
/* FIXME: we could arrange to call secfile_check_unused() and have it
* complain about unused entries (e.g. those not in [fcdb]). */
secfile_destroy(secfile);
return TRUE;
}
/************************************************************************//**
Initialize freeciv database system
****************************************************************************/
bool fcdb_init(const char *conf_file)
{
fc_assert(fcdb_config == NULL);
fcdb_config = fcdb_option_hash_new();
if (conf_file && strcmp(conf_file, "-")) {
if (!fcdb_load_config(conf_file)) {
return FALSE;
}
} else {
log_debug("No fcdb config file.");
}
return script_fcdb_init(fcdb_script);
}
/************************************************************************//**
Return the selected fcdb config value.
****************************************************************************/
const char *fcdb_option_get(const char *type)
{
struct fcdb_option *opt;
if (fcdb_option_hash_lookup(fcdb_config, type, &opt)) {
return opt->value;
} else {
return NULL;
}
}
/************************************************************************//**
Free resources allocated by fcdb system.
****************************************************************************/
void fcdb_free(void)
{
script_fcdb_free();
fcdb_option_hash_data_iterate(fcdb_config, popt) {
FC_FREE(popt->value);
FC_FREE(popt);
} fcdb_option_hash_data_iterate_end;
fcdb_option_hash_destroy(fcdb_config);
fcdb_config = NULL;
}
#else /* HAVE_FCDB */
/************************************************************************//**
Dummy function - Initialize freeciv database system
****************************************************************************/
bool fcdb_init(const char *conf_file)
{
return TRUE;
}
/************************************************************************//**
Dummy function - Return the selected fcdb config value.
****************************************************************************/
const char *fcdb_option_get(const char *type)
{
return NULL;
}
/************************************************************************//**
Dummy function - Free resources allocated by fcdb system.
****************************************************************************/
void fcdb_free(void)
{
return;
}
#endif /* HAVE_FCDB */
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