118 lines
2.2 KiB
C
118 lines
2.2 KiB
C
/*
|
|
* Copyright (C) 2015 Tobias Brunner
|
|
* HSR 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.
|
|
*/
|
|
|
|
#include <errno.h>
|
|
|
|
#include <library.h>
|
|
#include <utils/debug.h>
|
|
|
|
#include "files_fetcher.h"
|
|
|
|
typedef struct private_files_fetcher_t private_files_fetcher_t;
|
|
|
|
/**
|
|
* private data of a files_fetcher_t object.
|
|
*/
|
|
struct private_files_fetcher_t {
|
|
|
|
/**
|
|
* Public data
|
|
*/
|
|
files_fetcher_t public;
|
|
|
|
/**
|
|
* Callback function
|
|
*/
|
|
fetcher_callback_t cb;
|
|
};
|
|
|
|
METHOD(fetcher_t, fetch, status_t,
|
|
private_files_fetcher_t *this, char *uri, void *userdata)
|
|
{
|
|
chunk_t *data;
|
|
status_t status = FAILED;
|
|
|
|
if (this->cb == fetcher_default_callback)
|
|
{
|
|
*(chunk_t*)userdata = chunk_empty;
|
|
}
|
|
if (!strpfx(uri, "file://"))
|
|
{
|
|
return NOT_SUPPORTED;
|
|
}
|
|
uri = uri + strlen("file://");
|
|
data = chunk_map(uri, FALSE);
|
|
if (!data)
|
|
{
|
|
DBG1(DBG_LIB, " opening '%s' failed: %s", uri, strerror(errno));
|
|
return FAILED;
|
|
}
|
|
if (this->cb(userdata, *data))
|
|
{
|
|
status = SUCCESS;
|
|
}
|
|
chunk_unmap(data);
|
|
return status;
|
|
}
|
|
|
|
METHOD(fetcher_t, set_option, bool,
|
|
private_files_fetcher_t *this, fetcher_option_t option, ...)
|
|
{
|
|
bool supported = TRUE;
|
|
va_list args;
|
|
|
|
va_start(args, option);
|
|
switch (option)
|
|
{
|
|
case FETCH_CALLBACK:
|
|
{
|
|
this->cb = va_arg(args, fetcher_callback_t);
|
|
break;
|
|
}
|
|
default:
|
|
supported = FALSE;
|
|
break;
|
|
}
|
|
va_end(args);
|
|
return supported;
|
|
}
|
|
|
|
METHOD(fetcher_t, destroy, void,
|
|
private_files_fetcher_t *this)
|
|
{
|
|
free(this);
|
|
}
|
|
|
|
/*
|
|
* Described in header.
|
|
*/
|
|
files_fetcher_t *files_fetcher_create()
|
|
{
|
|
private_files_fetcher_t *this;
|
|
|
|
INIT(this,
|
|
.public = {
|
|
.interface = {
|
|
.fetch = _fetch,
|
|
.set_option = _set_option,
|
|
.destroy = _destroy,
|
|
},
|
|
},
|
|
.cb = fetcher_default_callback,
|
|
);
|
|
|
|
return &this->public;
|
|
}
|