--- /dev/null
+/*
+ +--------------------------------------------------------------------+
+ | 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 <mike@php.net> |
+ +--------------------------------------------------------------------+
+*/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <libpq-events.h>
+#include <libpq/libpq-fs.h>
+#include <php.h>
+
+#include "php_pq.h"
+#include "php_pq_misc.h"
+#include "php_pq_object.h"
+#include "php_pqexc.h"
+#include "php_pqlob.h"
+
+zend_class_entry *php_pqlob_class_entry;
+static zend_object_handlers php_pqlob_object_handlers;
+static HashTable php_pqlob_object_prophandlers;
+
+static void php_pqlob_object_free(void *o TSRMLS_DC)
+{
+ php_pqlob_object_t *obj = o;
+#if DBG_GC
+ fprintf(stderr, "FREE lob(#%d) %p (txn(#%d): %p)\n", obj->zv.handle, obj, obj->intern->txn->zv.handle, obj->intern->txn);
+#endif
+ if (obj->intern) {
+ if (obj->intern->lofd) {
+ lo_close(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd);
+ }
+ /* invalidate the stream */
+ if (obj->intern->stream) {
+ zend_list_delete(obj->intern->stream);
+ obj->intern->stream = 0;
+ }
+ php_pq_object_delref(obj->intern->txn TSRMLS_CC);
+ efree(obj->intern);
+ obj->intern = NULL;
+ }
+ zend_object_std_dtor((zend_object *) o TSRMLS_CC);
+ efree(obj);
+}
+
+zend_object_value php_pqlob_create_object_ex(zend_class_entry *ce, php_pqlob_t *intern, php_pqlob_object_t **ptr TSRMLS_DC)
+{
+ php_pqlob_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_pqlob_object_prophandlers;
+
+ if (ptr) {
+ *ptr = o;
+ }
+
+ if (intern) {
+ o->intern = intern;
+ }
+
+ o->zv.handle = zend_objects_store_put((zend_object *) o, NULL, php_pqlob_object_free, NULL TSRMLS_CC);
+ o->zv.handlers = &php_pqlob_object_handlers;
+
+ return o->zv;
+}
+
+static zend_object_value php_pqlob_create_object(zend_class_entry *class_type TSRMLS_DC)
+{
+ return php_pqlob_create_object_ex(class_type, NULL, NULL TSRMLS_CC);
+}
+
+static void php_pqlob_object_read_transaction(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+ php_pqlob_object_t *obj = o;
+
+ php_pq_object_to_zval(obj->intern->txn, &return_value TSRMLS_CC);
+}
+
+static void php_pqlob_object_read_oid(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+ php_pqlob_object_t *obj = o;
+
+ RETVAL_LONG(obj->intern->loid);
+}
+
+static void php_pqlob_object_update_stream(zval *this_ptr, php_pqlob_object_t *obj, zval **zstream TSRMLS_DC);
+
+static void php_pqlob_object_read_stream(zval *object, void *o, zval *return_value TSRMLS_DC)
+{
+ php_pqlob_object_t *obj = o;
+
+ if (!obj->intern->stream) {
+ zval *zstream;
+
+ php_pqlob_object_update_stream(object, obj, &zstream TSRMLS_CC);
+ RETVAL_ZVAL(zstream, 1, 1);
+ } else {
+ RETVAL_RESOURCE(obj->intern->stream);
+ zend_list_addref(obj->intern->stream);
+ }
+}
+
+static size_t php_pqlob_stream_write(php_stream *stream, const char *buffer, size_t length TSRMLS_DC)
+{
+ php_pqlob_object_t *obj = stream->abstract;
+ int written = 0;
+
+ if (obj) {
+ written = lo_write(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd, buffer, length);
+
+ if (written < 0) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to write to LOB with oid=%u (%s)", obj->intern->loid, PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
+ }
+
+ php_pqconn_notify_listeners(obj->intern->txn->intern->conn TSRMLS_CC);
+ }
+
+ return written;
+}
+
+static size_t php_pqlob_stream_read(php_stream *stream, char *buffer, size_t length TSRMLS_DC)
+{
+ php_pqlob_object_t *obj = stream->abstract;
+ int read = 0;
+
+ if (obj) {
+
+ if (!buffer && !length) {
+ if (lo_tell(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd) == lo_lseek(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd, 0, SEEK_CUR)) {
+ return EOF;
+ }
+ } else {
+ read = lo_read(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd, buffer, length);
+
+ if (read < 0) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to read from LOB with oid=%d (%s)", obj->intern->loid, PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
+ }
+ }
+
+ php_pqconn_notify_listeners(obj->intern->txn->intern->conn TSRMLS_CC);
+ }
+
+ return read;
+}
+
+static STATUS php_pqlob_stream_close(php_stream *stream, int close_handle TSRMLS_DC)
+{
+ return SUCCESS;
+}
+
+static int php_pqlob_stream_flush(php_stream *stream TSRMLS_DC)
+{
+ return SUCCESS;
+}
+
+static STATUS php_pqlob_stream_seek(php_stream *stream, off_t offset, int whence, off_t *newoffset TSRMLS_DC)
+{
+ STATUS rv = FAILURE;
+ php_pqlob_object_t *obj = stream->abstract;
+
+ if (obj) {
+ int position = lo_lseek(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd, offset, whence);
+
+ if (position < 0) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to seek offset in LOB with oid=%d (%s)", obj->intern->loid, PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
+ rv = FAILURE;
+ } else {
+ *newoffset = position;
+ rv = SUCCESS;
+ }
+
+ php_pqconn_notify_listeners(obj->intern->txn->intern->conn TSRMLS_CC);
+ }
+
+ return rv;
+}
+
+static php_stream_ops php_pqlob_stream_ops = {
+ /* stdio like functions - these are mandatory! */
+ php_pqlob_stream_write,
+ php_pqlob_stream_read,
+ php_pqlob_stream_close,
+ php_pqlob_stream_flush,
+
+ "pq\\LOB stream",
+
+ /* these are optional */
+ php_pqlob_stream_seek,
+ NULL, /* cast */
+ NULL, /* stat */
+ NULL, /* set_option */
+};
+
+static void php_pqlob_object_update_stream(zval *this_ptr, php_pqlob_object_t *obj, zval **zstream_ptr TSRMLS_DC)
+{
+ zval *zstream, zmember;
+ php_stream *stream;
+
+ INIT_PZVAL(&zmember);
+ ZVAL_STRINGL(&zmember, "stream", sizeof("stream")-1, 0);
+
+ MAKE_STD_ZVAL(zstream);
+ if (!obj) {
+ obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+ }
+ stream = php_stream_alloc(&php_pqlob_stream_ops, obj, NULL, "r+b");
+ stream->flags |= PHP_STREAM_FLAG_NO_FCLOSE;
+ zend_list_addref(obj->intern->stream = stream->rsrc_id);
+ php_stream_to_zval(stream, zstream);
+
+ zend_get_std_object_handlers()->write_property(getThis(), &zmember, zstream, NULL TSRMLS_CC);
+
+ if (zstream_ptr) {
+ *zstream_ptr = zstream;
+ } else {
+ zval_ptr_dtor(&zstream);
+ }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqlob_construct, 0, 0, 1)
+ ZEND_ARG_OBJ_INFO(0, transaction, pq\\Transaction, 0)
+ ZEND_ARG_INFO(0, oid)
+ ZEND_ARG_INFO(0, mode)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqlob, __construct) {
+ zend_error_handling zeh;
+ zval *ztxn;
+ long mode = INV_WRITE|INV_READ, loid = InvalidOid;
+ 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|ll", &ztxn, php_pqtxn_class_entry, &loid, &mode);
+ zend_restore_error_handling(&zeh TSRMLS_CC);
+
+ if (SUCCESS == rv) {
+ php_pqtxn_object_t *txn_obj = zend_object_store_get_object(ztxn TSRMLS_CC);
+
+ if (!txn_obj->intern) {
+ throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\Transaction not initialized");
+ } else if (!txn_obj->intern->open) {
+ throw_exce(EX_RUNTIME TSRMLS_CC, "pq\\Transation already closed");
+ } else {
+ if (loid == InvalidOid) {
+ loid = lo_creat(txn_obj->intern->conn->intern->conn, mode);
+ }
+
+ if (loid == InvalidOid) {
+ throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to create large object with mode '%s' (%s)", strmode(mode), PHP_PQerrorMessage(txn_obj->intern->conn->intern->conn));
+ } else {
+ int lofd = lo_open(txn_obj->intern->conn->intern->conn, loid, mode);
+
+ if (lofd < 0) {
+ throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to open large object with oid=%u with mode '%s' (%s)", loid, strmode(mode), PHP_PQerrorMessage(txn_obj->intern->conn->intern->conn));
+ } else {
+ php_pqlob_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+ obj->intern = ecalloc(1, sizeof(*obj->intern));
+ obj->intern->lofd = lofd;
+ obj->intern->loid = loid;
+ php_pq_object_addref(txn_obj TSRMLS_CC);
+ obj->intern->txn = txn_obj;
+ }
+ }
+
+ php_pqconn_notify_listeners(txn_obj->intern->conn TSRMLS_CC);
+ }
+ }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqlob_write, 0, 0, 1)
+ ZEND_ARG_INFO(0, data)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqlob, write) {
+ zend_error_handling zeh;
+ char *data_str;
+ int data_len;
+ STATUS rv;
+
+ zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+ rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &data_str, &data_len);
+ zend_restore_error_handling(&zeh TSRMLS_CC);
+
+ if (SUCCESS == rv) {
+ php_pqlob_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+ if (!obj->intern) {
+ throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\LOB not initialized");
+ } else {
+ int written = lo_write(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd, data_str, data_len);
+
+ if (written < 0) {
+ throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to write to LOB with oid=%u (%s)", obj->intern->loid, PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
+ } else {
+ RETVAL_LONG(written);
+ }
+
+ php_pqconn_notify_listeners(obj->intern->txn->intern->conn TSRMLS_CC);
+ }
+ }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqlob_read, 0, 0, 0)
+ ZEND_ARG_INFO(0, length)
+ ZEND_ARG_INFO(1, read)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqlob, read) {
+ zend_error_handling zeh;
+ long length = 0x1000;
+ zval *zread = NULL;
+ STATUS rv;
+
+ zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+ rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|lz!", &length, &zread);
+ zend_restore_error_handling(&zeh TSRMLS_CC);
+
+ if (SUCCESS == rv) {
+ php_pqlob_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+ if (!obj->intern) {
+ throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\LOB not initialized");
+ } else {
+ char *buffer = emalloc(length + 1);
+ int read = lo_read(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd, buffer, length);
+
+ if (read < 0) {
+ efree(buffer);
+ throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to read from LOB with oid=%d (%s)", obj->intern->loid, PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
+ } else {
+ if (zread) {
+ zval_dtor(zread);
+ ZVAL_LONG(zread, read);
+ }
+ buffer[read] = '\0';
+ RETVAL_STRINGL(buffer, read, 0);
+ }
+
+ php_pqconn_notify_listeners(obj->intern->txn->intern->conn TSRMLS_CC);
+ }
+ }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqlob_seek, 0, 0, 1)
+ ZEND_ARG_INFO(0, offset)
+ ZEND_ARG_INFO(0, whence)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqlob, seek) {
+ zend_error_handling zeh;
+ long offset, whence = SEEK_SET;
+ STATUS rv;
+
+ zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+ rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l|l", &offset, &whence);
+ zend_restore_error_handling(&zeh TSRMLS_CC);
+
+ if (SUCCESS == rv) {
+ php_pqlob_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+ if (!obj->intern) {
+ throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\LOB not initialized");
+ } else {
+ int position = lo_lseek(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd, offset, whence);
+
+ if (position < 0) {
+ throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to seek offset in LOB with oid=%d (%s)", obj->intern->loid, PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
+ } else {
+ RETVAL_LONG(position);
+ }
+
+ php_pqconn_notify_listeners(obj->intern->txn->intern->conn TSRMLS_CC);
+ }
+ }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqlob_tell, 0, 0, 0)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqlob, tell) {
+ 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_pqlob_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+ if (!obj->intern) {
+ throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\LOB not initialized");
+ } else {
+ int position = lo_tell(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd);
+
+ if (position < 0) {
+ throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to tell offset in LOB with oid=%d (%s)", obj->intern->loid, PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
+ } else {
+ RETVAL_LONG(position);
+ }
+
+ php_pqconn_notify_listeners(obj->intern->txn->intern->conn TSRMLS_CC);
+ }
+ }
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_pqlob_truncate, 0, 0, 0)
+ ZEND_ARG_INFO(0, length)
+ZEND_END_ARG_INFO();
+static PHP_METHOD(pqlob, truncate) {
+ zend_error_handling zeh;
+ long length = 0;
+ STATUS rv;
+
+ zend_replace_error_handling(EH_THROW, exce(EX_INVALID_ARGUMENT), &zeh TSRMLS_CC);
+ rv = zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &length);
+ zend_restore_error_handling(&zeh TSRMLS_CC);
+
+ if (SUCCESS == rv) {
+ php_pqlob_object_t *obj = zend_object_store_get_object(getThis() TSRMLS_CC);
+
+ if (!obj->intern) {
+ throw_exce(EX_UNINITIALIZED TSRMLS_CC, "pq\\LOB not initialized");
+ } else {
+ int rc = lo_truncate(obj->intern->txn->intern->conn->intern->conn, obj->intern->lofd, length);
+
+ if (rc != 0) {
+ throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to truncate LOB with oid=%d (%s)", obj->intern->loid, PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
+ }
+
+ php_pqconn_notify_listeners(obj->intern->txn->intern->conn TSRMLS_CC);
+ }
+ }
+}
+
+static zend_function_entry php_pqlob_methods[] = {
+ PHP_ME(pqlob, __construct, ai_pqlob_construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
+ PHP_ME(pqlob, write, ai_pqlob_write, ZEND_ACC_PUBLIC)
+ PHP_ME(pqlob, read, ai_pqlob_read, ZEND_ACC_PUBLIC)
+ PHP_ME(pqlob, seek, ai_pqlob_seek, ZEND_ACC_PUBLIC)
+ PHP_ME(pqlob, tell, ai_pqlob_tell, ZEND_ACC_PUBLIC)
+ PHP_ME(pqlob, truncate, ai_pqlob_truncate, ZEND_ACC_PUBLIC)
+ {0}
+};
+
+PHP_MINIT_FUNCTION(pqlob)
+{
+ zend_class_entry ce = {0};
+ php_pq_object_prophandler_t ph = {0};
+
+ INIT_NS_CLASS_ENTRY(ce, "pq", "LOB", php_pqlob_methods);
+ php_pqlob_class_entry = zend_register_internal_class_ex(&ce, NULL, NULL TSRMLS_CC);
+ php_pqlob_class_entry->create_object = php_pqlob_create_object;
+
+ memcpy(&php_pqlob_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));
+ php_pqlob_object_handlers.read_property = php_pq_object_read_prop;
+ php_pqlob_object_handlers.write_property = php_pq_object_write_prop;
+ php_pqlob_object_handlers.clone_obj = NULL;
+ php_pqlob_object_handlers.get_property_ptr_ptr = NULL;
+ php_pqlob_object_handlers.get_debug_info = php_pq_object_debug_info;
+
+ zend_hash_init(&php_pqlob_object_prophandlers, 3, NULL, NULL, 1);
+
+ zend_declare_property_null(php_pqlob_class_entry, ZEND_STRL("transaction"), ZEND_ACC_PUBLIC TSRMLS_CC);
+ ph.read = php_pqlob_object_read_transaction;
+ zend_hash_add(&php_pqlob_object_prophandlers, "transaction", sizeof("transaction"), (void *) &ph, sizeof(ph), NULL);
+
+ zend_declare_property_long(php_pqlob_class_entry, ZEND_STRL("oid"), InvalidOid, ZEND_ACC_PUBLIC TSRMLS_CC);
+ ph.read = php_pqlob_object_read_oid;
+ zend_hash_add(&php_pqlob_object_prophandlers, "oid", sizeof("oid"), (void *) &ph, sizeof(ph), NULL);
+
+ zend_declare_property_null(php_pqlob_class_entry, ZEND_STRL("stream"), ZEND_ACC_PUBLIC TSRMLS_CC);
+ ph.read = php_pqlob_object_read_stream;
+ zend_hash_add(&php_pqlob_object_prophandlers, "stream", sizeof("stream"), (void *) &ph, sizeof(ph), NULL);
+
+ zend_declare_class_constant_long(php_pqlob_class_entry, ZEND_STRL("INVALID_OID"), InvalidOid TSRMLS_CC);
+ zend_declare_class_constant_long(php_pqlob_class_entry, ZEND_STRL("R"), INV_READ TSRMLS_CC);
+ zend_declare_class_constant_long(php_pqlob_class_entry, ZEND_STRL("W"), INV_WRITE TSRMLS_CC);
+ zend_declare_class_constant_long(php_pqlob_class_entry, ZEND_STRL("RW"), INV_READ|INV_WRITE TSRMLS_CC);
+
+ 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
+ */
projects / m6w6 / ext-pq / blobdiff