X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;ds=inline;f=src%2Fphp_pqcancel.c;fp=src%2Fphp_pqcancel.c;h=326cbcd3ecab97d8732dcd2f384fc78ff6a9571e;hb=9f5cecf26bd70a92ed013f31afec59e272623ac1;hp=0000000000000000000000000000000000000000;hpb=c566b350f18fe5d2ac5a28e82948514a8798a2b6;p=m6w6%2Fext-pq diff --git a/src/php_pqcancel.c b/src/php_pqcancel.c new file mode 100644 index 0000000..326cbcd --- /dev/null +++ b/src/php_pqcancel.c @@ -0,0 +1,179 @@ +/* + +--------------------------------------------------------------------+ + | PECL :: pq | + +--------------------------------------------------------------------+ + | Redistribution and use in source and binary forms, with or without | + | modification, are permitted provided that the conditions mentioned | + | in the accompanying LICENSE file are met. | + +--------------------------------------------------------------------+ + | Copyright (c) 2013, Michael Wallner | + +--------------------------------------------------------------------+ +*/ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include + +#include + +#include "php_pq.h" +#include "php_pq_misc.h" +#include "php_pq_object.h" +#include "php_pqexc.h" +#include "php_pqcancel.h" + +zend_class_entry *php_pqcancel_class_entry; +static zend_object_handlers php_pqcancel_object_handlers; +static HashTable php_pqcancel_object_prophandlers; + +static void php_pqcancel_object_free(void *o TSRMLS_DC) +{ + php_pqcancel_object_t *obj = o; +#if DBG_GC + fprintf(stderr, "FREE cancel(#%d) %p (conn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->conn->zv.handle, obj->intern->conn); +#endif + if (obj->intern) { + PQfreeCancel(obj->intern->cancel); + php_pq_object_delref(obj->intern->conn TSRMLS_CC); + efree(obj->intern); + obj->intern = NULL; + } + zend_object_std_dtor((zend_object *) o TSRMLS_CC); + efree(obj); +} + +zend_object_value php_pqcancel_create_object_ex(zend_class_entry *ce, php_pqcancel_t *intern, php_pqcancel_object_t **ptr TSRMLS_DC) +{ + php_pqcancel_object_t *o; + + o = ecalloc(1, sizeof(*o)); + zend_object_std_init((zend_object *) o, ce TSRMLS_CC); + object_properties_init((zend_object *) o, ce); + o->prophandler = &php_pqcancel_object_prophandlers; + + if (ptr) { + *ptr = o; + } + + if (intern) { + o->intern = intern; + } + + o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqcancel_object_free, NULL TSRMLS_CC); + o->zv.handlers = &php_pqcancel_object_handlers; + + return o->zv; +} + +static zend_object_value php_pqcancel_create_object(zend_class_entry *class_type TSRMLS_DC) +{ + return php_pqcancel_create_object_ex(class_type, NULL, NULL TSRMLS_CC); +} + +static void php_pqcancel_object_read_connection(zval *object, void *o, zval *return_value TSRMLS_DC) +{ + php_pqcancel_object_t *obj = o; + + php_pq_object_to_zval(obj->intern->conn, &return_value TSRMLS_CC); +} + +ZEND_BEGIN_ARG_INFO_EX(ai_pqcancel_construct, 0, 0, 1) + ZEND_ARG_OBJ_INFO(0, connection, pq\\Connection, 0) +ZEND_END_ARG_INFO(); +static PHP_METHOD(pqcancel, __construct) { + zend_error_handling zeh; + zval *zconn; + STATUS rv; + + zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC); + rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "O", &zconn, php_pqconn_class_entry); + zend_restore_error_handling(&zeh TSRMLS_CC); + + if (SUCCESS == rv) { + php_pqconn_object_t *conn_obj = zend_object_store_get_object(zconn TSRMLS_CC); + + if (!conn_obj->intern) { + throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Connection not initialized"); + } else { + PGcancel *cancel = PQgetCancel(conn_obj->intern->conn); + + if (!cancel) { + throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to acquire cancel (%s)", PHP_PQerrorMessage(conn_obj->intern->conn)); + } else { + php_pqcancel_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC); + + obj->intern = ecalloc(1, sizeof(*obj->intern)); + obj->intern->cancel = cancel; + php_pq_object_addref(conn_obj TSRMLS_CC); + obj->intern->conn = conn_obj; + } + } + } +} + +ZEND_BEGIN_ARG_INFO_EX(ai_pqcancel_cancel, 0, 0, 0) +ZEND_END_ARG_INFO(); +static PHP_METHOD(pqcancel, cancel) { + zend_error_handling zeh; + STATUS rv; + + zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC); + rv = zend_parse_parameters_none(); + zend_restore_error_handling(&zeh TSRMLS_CC); + + if (SUCCESS == rv) { + php_pqcancel_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC); + + if (!obj->intern) { + throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Cancel not initialized"); + } else { + char err[256] = {0}; + + if (!PQcancel(obj->intern->cancel, err, sizeof(err))) { + throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to request cancellation (%s)", err); + } + } + } +} + +static zend_function_entry php_pqcancel_methods[] = { + PHP_ME(pqcancel, __construct, ai_pqcancel_construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR) + PHP_ME(pqcancel, cancel, ai_pqcancel_cancel, ZEND_ACC_PUBLIC) + {0} +}; + +PHP_MINIT_FUNCTION(pqcancel) +{ + zend_class_entry ce = {0}; + php_pq_object_prophandler_t ph = {0}; + + INIT_NS_CLASS_ENTRY(ce, "pq", "Cancel", php_pqcancel_methods); + php_pqcancel_class_entry = zend_register_internal_class_ex(&ce, NULL, NULL TSRMLS_CC); + php_pqcancel_class_entry->create_object = php_pqcancel_create_object; + + memcpy(&php_pqcancel_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers)); + php_pqcancel_object_handlers.read_property = php_pq_object_read_prop; + php_pqcancel_object_handlers.write_property = php_pq_object_write_prop; + php_pqcancel_object_handlers.clone_obj = NULL; + php_pqcancel_object_handlers.get_property_ptr_ptr = NULL; + php_pqcancel_object_handlers.get_debug_info = php_pq_object_debug_info; + + zend_hash_init(&php_pqcancel_object_prophandlers, 1, NULL, NULL, 1); + + zend_declare_property_null(php_pqcancel_class_entry, ZEND_STRL("connection"), ZEND_ACC_PUBLIC TSRMLS_CC); + ph.read = php_pqcancel_object_read_connection; + zend_hash_add(&php_pqcancel_object_prophandlers, "connection", sizeof("connection"), (void *) &ph, sizeof(ph), NULL); + + 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 + */