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exceptions.c
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/**
* Copyright (c) 2016 - 2017 Gregor Kralik <g.kralik (at) gmail.com>
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* Author: Gregor Kralik <g.kralik (at) gmail.com>
*/
#include "php.h"
#include "Zend/zend_exceptions.h"
#include "ext/spl/spl_exceptions.h"
#include "exceptions.h"
#include "string_helper.h"
#include "sapnwrfc.h"
typedef struct _sapnwrfc_exception_object {
zend_object *zobj;
} sapnwrfc_exception_object;
typedef struct _sapnwrfc_connection_exception_object {
zend_object zobj;
} sapnwrfc_connection_exception_object;
typedef struct _sapnwrfc_function_exception_object {
zend_object zobj;
} sapnwrfc_functioncall_exception_object;
#if PHP_VERSION_ID >= 70200
ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO(arginfo_Exception_getErrorInfo, IS_ARRAY, 1)
#else
ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO(arginfo_Exception_getErrorInfo, IS_ARRAY, NULL, 1)
#endif
ZEND_END_ARG_INFO()
static zend_function_entry sapnwrfc_exception_class_functions[] = {
PHP_ME(Exception, getErrorInfo, arginfo_Exception_getErrorInfo, ZEND_ACC_PUBLIC)
PHP_FE_END
};
void sapnwrfc_throw_connection_exception(RFC_ERROR_INFO error_info, char *msg, ...)
{
va_list args;
zend_string *message;
zval info;
zval ex;
va_start(args, msg);
message = vstrpprintf(0, msg, args);
va_end(args);
array_init(&info);
zend_replace_error_handling(EH_THROW, sapnwrfc_connection_exception_ce, NULL);
object_init_ex(&ex, sapnwrfc_connection_exception_ce);
zend_update_property_string(sapnwrfc_connection_exception_ce, &ex, "message", sizeof("message") - 1, ZSTR_VAL(message));
zend_update_property_long(sapnwrfc_connection_exception_ce, &ex, "code", sizeof("code") - 1, error_info.code);
// populate errorInfo array
add_assoc_long(&info, "code", error_info.code);
add_assoc_str(&info, "key", sapuc_to_zend_string(error_info.key));
add_assoc_str(&info, "message", sapuc_to_zend_string(error_info.message));
switch(error_info.group) {
case LOGON_FAILURE: // Error message raised when logon fails
case COMMUNICATION_FAILURE: // Problems with the network connection (or backend broke down and killed the connection)
case EXTERNAL_RUNTIME_FAILURE: // Problems in the RFC runtime of the external program (i.e "this" library)
// no additional properties, just the generic one's from above
break;
case ABAP_APPLICATION_FAILURE: // ABAP Exception raised in ABAP function modules
case ABAP_RUNTIME_FAILURE: // ABAP Message raised in ABAP function modules or in ABAP runtime of the backend (e.g Kernel)
case EXTERNAL_APPLICATION_FAILURE: // Problems in the external program (e.g in the external server implementation)
#ifdef HAVE_RFC_ERROR_GROUP_EXTERNAL_AUTHORIZATION_FAILURE
case EXTERNAL_AUTHORIZATION_FAILURE: // Problems raised in the authorization check handler provided by the external server implementation
#endif
add_assoc_str(&info, "abapMsgClass", sapuc_to_zend_string(error_info.abapMsgClass));
add_assoc_str(&info, "abapMsgType", sapuc_to_zend_string(error_info.abapMsgType));
add_assoc_str(&info, "abapMsgNumber", sapuc_to_zend_string(error_info.abapMsgNumber));
add_assoc_str(&info, "abapMsgV1", sapuc_to_zend_string(error_info.abapMsgV1));
add_assoc_str(&info, "abapMsgV2", sapuc_to_zend_string(error_info.abapMsgV2));
add_assoc_str(&info, "abapMsgV3", sapuc_to_zend_string(error_info.abapMsgV3));
add_assoc_str(&info, "abapMsgV4", sapuc_to_zend_string(error_info.abapMsgV4));
break;
case RFC_OK: // LCOV_EXCL_START
zend_error(E_ERROR, "Internal error: exception handler called for RFC_OK");
zend_replace_error_handling(EH_NORMAL, NULL, NULL);
zend_string_release(message);
return;
// LCOV_EXCL_STOP
default:
zend_error(E_ERROR, "Internal error: unknown error group");
zend_replace_error_handling(EH_NORMAL, NULL, NULL);
zend_string_release(message);
return;
}
zend_update_property(sapnwrfc_connection_exception_ce, &ex, "errorInfo", sizeof("errorInfo") - 1, &info);
zval_ptr_dtor(&info);
zend_string_release(message);
zend_throw_exception_object(&ex);
zend_replace_error_handling(EH_NORMAL, NULL, NULL);
}
void sapnwrfc_throw_function_exception(RFC_ERROR_INFO error_info, char *msg, ...)
{
va_list args;
zend_string *message;
zval info;
zval ex;
va_start(args, msg);
message = vstrpprintf(0, msg, args);
va_end(args);
array_init(&info);
zend_replace_error_handling(EH_THROW, sapnwrfc_function_exception_ce, NULL);
object_init_ex(&ex, sapnwrfc_function_exception_ce);
zend_update_property_string(sapnwrfc_function_exception_ce, &ex, "message", sizeof("message") - 1, ZSTR_VAL(message));
zend_update_property_long(sapnwrfc_function_exception_ce, &ex, "code", sizeof("code") - 1, error_info.code);
// populate errorInfo array
add_assoc_long(&info, "code", error_info.code);
add_assoc_str(&info, "key", sapuc_to_zend_string(error_info.key));
add_assoc_str(&info, "message", sapuc_to_zend_string(error_info.message));
switch(error_info.group) {
case LOGON_FAILURE: // Error message raised when logon fails
case COMMUNICATION_FAILURE: // Problems with the network connection (or backend broke down and killed the connection)
case EXTERNAL_RUNTIME_FAILURE: // Problems in the RFC runtime of the external program (i.e "this" library)
// no additional properties, just the generic one's from above
break;
case ABAP_APPLICATION_FAILURE: // ABAP Exception raised in ABAP function modules
case ABAP_RUNTIME_FAILURE: // ABAP Message raised in ABAP function modules or in ABAP runtime of the backend (e.g Kernel)
case EXTERNAL_APPLICATION_FAILURE: // Problems in the external program (e.g in the external server implementation)
#ifdef HAVE_RFC_ERROR_GROUP_EXTERNAL_AUTHORIZATION_FAILURE
case EXTERNAL_AUTHORIZATION_FAILURE: // Problems raised in the authorization check handler provided by the external server implementation
#endif
add_assoc_str(&info, "abapMsgClass", sapuc_to_zend_string(error_info.abapMsgClass));
add_assoc_str(&info, "abapMsgType", sapuc_to_zend_string(error_info.abapMsgType));
add_assoc_str(&info, "abapMsgNumber", sapuc_to_zend_string(error_info.abapMsgNumber));
add_assoc_str(&info, "abapMsgV1", sapuc_to_zend_string(error_info.abapMsgV1));
add_assoc_str(&info, "abapMsgV2", sapuc_to_zend_string(error_info.abapMsgV2));
add_assoc_str(&info, "abapMsgV3", sapuc_to_zend_string(error_info.abapMsgV3));
add_assoc_str(&info, "abapMsgV4", sapuc_to_zend_string(error_info.abapMsgV4));
break;
case RFC_OK: // LCOV_EXCL_START
zend_error(E_ERROR, "Internal error: exception handler called for RFC_OK");
zend_replace_error_handling(EH_NORMAL, NULL, NULL);
zend_string_release(message);
return;
// LCOV_EXCL_STOP
default:
zend_error(E_ERROR, "Internal error: unknown error group");
zend_replace_error_handling(EH_NORMAL, NULL, NULL);
zend_string_release(message);
return;
}
zend_update_property(sapnwrfc_function_exception_ce, &ex, "errorInfo", sizeof("errorInfo") - 1, &info);
zval_ptr_dtor(&info);
zend_string_release(message);
zend_throw_exception_object(&ex);
zend_replace_error_handling(EH_NORMAL, NULL, NULL);
}
PHP_METHOD(Exception, getErrorInfo)
{
zval tmp;
zval *error_info;
zend_parse_parameters_none();
error_info = zend_read_property(sapnwrfc_exception_ce, getThis(), "errorInfo", sizeof("errorInfo") - 1, 0, &tmp);
RETURN_ZVAL(error_info, 1, 0);
}
void sapnwrfc_register_exceptions()
{
zend_class_entry ce;
INIT_CLASS_ENTRY(ce, "SAPNWRFC\\Exception", sapnwrfc_exception_class_functions);
sapnwrfc_exception_ce = zend_register_internal_class_ex(&ce, spl_ce_RuntimeException);
zend_declare_property_null(sapnwrfc_exception_ce, "errorInfo", sizeof("errorInfo") - 1, ZEND_ACC_PROTECTED);
INIT_CLASS_ENTRY(ce, "SAPNWRFC\\ConnectionException", NULL);
sapnwrfc_connection_exception_ce = zend_register_internal_class_ex(&ce, sapnwrfc_exception_ce);
sapnwrfc_connection_exception_ce->ce_flags |= ZEND_ACC_FINAL;
INIT_CLASS_ENTRY(ce, "SAPNWRFC\\FunctionCallException", NULL);
sapnwrfc_function_exception_ce = zend_register_internal_class_ex(&ce, sapnwrfc_exception_ce);
sapnwrfc_function_exception_ce->ce_flags |= ZEND_ACC_FINAL;
}