danog/ext-pq
1
0
Fork 0
mirror of https://github.com/danog/ext-pq.git synced 2024-12-02 09:18:02 +01:00
Code Issues Projects Releases Wiki Activity

pq\LOB stream

Browse Source
This commit is contained in:
Michael Wallner 2013-02-22 17:15:53 +01:00
parent 0dfde4f273
commit 9746180a4d
1 changed files with 150 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

156
php_pq.c
View File

@ -295,6 +295,7 @@ typedef struct php_pqevent_object {
typedef struct php_pqlob {
int lofd;
Oid loid;
int stream;
php_pqtxn_object_t *txn;
} php_pqlob_t;
@ -792,6 +793,11 @@ static void php_pqlob_object_free(void *o TSRMLS_DC)
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;
@ -1613,6 +1619,23 @@ static void php_pqlob_object_read_oid(zval *object, void *o, zval *return_value
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 void php_pqcopy_object_read_connection(zval *object, void *o, zval *return_value TSRMLS_DC)
{
php_pqcopy_object_t *obj = o;
@ -4467,7 +4490,7 @@ static PHP_METHOD(pqtxn, openLOB) {
int lofd = lo_open(obj->intern->conn->intern->conn, loid, mode);
if (lofd < 0) {
throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to open large object with oid=%ld with mode '%s' (%s)", loid, strmode(mode), PHP_PQerrorMessage(obj->intern->conn->intern->conn));
throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to open large object with oid=%u with mode '%s' (%s)", loid, strmode(mode), PHP_PQerrorMessage(obj->intern->conn->intern->conn));
} else {
php_pqlob_t *lob = ecalloc(1, sizeof(*lob));
@ -4511,7 +4534,7 @@ static PHP_METHOD(pqtxn, createLOB) {
int lofd = lo_open(obj->intern->conn->intern->conn, loid, mode);
if (lofd < 0) {
throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to open large object with oid=%ld with mode '%s': %s", loid, strmode(mode), PHP_PQerrorMessage(obj->intern->conn->intern->conn));
throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to open large object with oid=%u with mode '%s': %s", loid, strmode(mode), PHP_PQerrorMessage(obj->intern->conn->intern->conn));
} else {
php_pqlob_t *lob = ecalloc(1, sizeof(*lob));
@ -4551,7 +4574,7 @@ static PHP_METHOD(pqtxn, unlinkLOB) {
int rc = lo_unlink(obj->intern->conn->intern->conn, loid);
if (rc != 1) {
throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to unlink LOB (oid=%ld): %s", loid, PHP_PQerrorMessage(obj->intern->conn->intern->conn));
throw_exce(EX_RUNTIME TSRMLS_CC, "Failed to unlink LOB (oid=%u): %s", loid, PHP_PQerrorMessage(obj->intern->conn->intern->conn));
}
php_pqconn_notify_listeners(obj->intern->conn TSRMLS_CC);
@ -4642,6 +4665,123 @@ static zend_function_entry php_pqcancel_methods[] = {
{0}
};
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)
@ -4675,7 +4815,7 @@ static PHP_METHOD(pqlob, __construct) {
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=%ld with mode '%s' (%s)", loid, strmode(mode), PHP_PQerrorMessage(txn_obj->intern->conn->intern->conn));
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);
@ -4714,7 +4854,7 @@ static PHP_METHOD(pqlob, write) {
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=%ld (%s)", obj->intern->loid, PHP_PQerrorMessage(obj->intern->txn->intern->conn->intern->conn));
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);
}
@ -5389,7 +5529,7 @@ static PHP_MINIT_FUNCTION(pq)
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, 2, NULL, NULL, 1);
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;
@ -5399,6 +5539,10 @@ static PHP_MINIT_FUNCTION(pq)
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);