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yar_packager.c
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yar_packager.c
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/*
+----------------------------------------------------------------------+
| Yar - Light, concurrent RPC framework |
+----------------------------------------------------------------------+
| Copyright (c) 2012-2013 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Xinchen Hui <laruence@php.net> |
| Zhenyu Zhang <zhangzhenyu@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_yar.h"
#include "yar_packager.h"
struct _yar_packagers_list {
unsigned int size;
unsigned int num;
yar_packager_t **packagers;
} yar_packagers_list;
PHP_YAR_API yar_packager_t * php_yar_packager_get(char *name, int nlen) /* {{{ */ {
int i = 0;
for (;i<yar_packagers_list.num;i++) {
if (strncasecmp(yar_packagers_list.packagers[i]->name, name, nlen) == 0) {
return yar_packagers_list.packagers[i];
}
}
return NULL;
} /* }}} */
PHP_YAR_API int php_yar_packager_register(yar_packager_t *packager) /* {{{ */ {
if (!yar_packagers_list.size) {
yar_packagers_list.size = 5;
yar_packagers_list.packagers = (yar_packager_t **)malloc(sizeof(yar_packager_t *) * yar_packagers_list.size);
} else if (yar_packagers_list.num == yar_packagers_list.size) {
yar_packagers_list.size += 5;
yar_packagers_list.packagers = (yar_packager_t **)realloc(yar_packagers_list.packagers, sizeof(yar_packager_t *) * yar_packagers_list.size);
}
yar_packagers_list.packagers[yar_packagers_list.num] = packager;
return yar_packagers_list.num++;
} /* }}} */
zend_string *php_yar_packager_pack(char *packager_name, zval *pzval, char **msg) /* {{{ */ {
char header[8];
smart_str buf = {0};
yar_packager_t *packager = packager_name ?
php_yar_packager_get(packager_name, strlen(packager_name)) : YAR_G(packager);
if (!packager) {
php_error_docref(NULL, E_ERROR, "unsupported packager %s", packager_name);
return 0;
}
memcpy(header, packager->name, 8);
smart_str_alloc(&buf, YAR_PACKAGER_BUFFER_SIZE /* 1M */, 0);
smart_str_appendl(&buf, header, 8);
packager->pack(packager, pzval, &buf, msg);
if (buf.s) {
smart_str_0(&buf);
return buf.s;
}
smart_str_free(&buf);
return NULL;
} /* }}} */
zval * php_yar_packager_unpack(char *content, size_t len, char **msg, zval *rret) /* {{{ */ {
char *pack_info = content; /* 4 bytes, last byte is version */
yar_packager_t *packager;
content = content + 8;
len -= 8;
*(pack_info + 7) = '\0';
packager = php_yar_packager_get(pack_info, strlen(pack_info));
if (!packager) {
spprintf(msg, 0, "unsupported packager '%s'", pack_info);
return NULL;
}
return packager->unpack(packager, content, len, msg, rret);
} /* }}} */
YAR_STARTUP_FUNCTION(packager) /* {{{ */ {
#ifdef ENABLE_MSGPACK
php_yar_packager_register(&yar_packager_msgpack);
#endif
php_yar_packager_register(&yar_packager_php);
php_yar_packager_register(&yar_packager_json);
REGISTER_STRINGL_CONSTANT("YAR_PACKAGER_PHP", YAR_PACKAGER_PHP, sizeof(YAR_PACKAGER_PHP)-1, CONST_CS|CONST_PERSISTENT);
REGISTER_STRINGL_CONSTANT("YAR_PACKAGER_JSON", YAR_PACKAGER_JSON, sizeof(YAR_PACKAGER_JSON)-1, CONST_CS|CONST_PERSISTENT);
#ifdef ENABLE_MSGPACK
REGISTER_STRINGL_CONSTANT("YAR_PACKAGER_MSGPACK", YAR_PACKAGER_MSGPACK, sizeof(YAR_PACKAGER_MSGPACK)-1, CONST_CS|CONST_PERSISTENT);
#endif
return SUCCESS;
} /* }}} */
YAR_ACTIVATE_FUNCTION(packager) /* {{{ */ {
yar_packager_t *packager = php_yar_packager_get(YAR_G(default_packager), strlen(YAR_G(default_packager)));
if (packager) {
YAR_G(packager) = packager;
return SUCCESS;
}
YAR_G(packager) = &yar_packager_php;
php_error(E_WARNING, "unable to find package '%s', use php instead", YAR_G(default_packager));
return SUCCESS;
} /* }}} */
YAR_SHUTDOWN_FUNCTION(packager) /* {{{ */ {
if (yar_packagers_list.size) {
free(yar_packagers_list.packagers);
}
return SUCCESS;
} /* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/