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swoole_postgresql.cc
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swoole_postgresql.cc
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/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the Apache 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.apache.org/licenses/LICENSE-2.0.html |
| If you did not receive a copy of the Apache2.0 license and are unable|
| to obtain it through the world-wide-web, please send a note to |
| license@swoole.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Zhenyu Wu <936321732@qq.com> |
| Tianfeng Han <rango@swoole.com> |
+----------------------------------------------------------------------+
*/
#include "php_swoole_postgresql.h"
#include "swoole_api.h"
namespace swoole {
namespace postgresql {
enum QueryType { NORMAL_QUERY, META_DATA, PREPARE };
struct Object {
PGconn *conn;
network::Socket *socket;
Coroutine *co;
PGresult *result;
zval *return_value;
zval *object;
zval _object;
ConnStatusType status;
enum QueryType request_type;
int row;
bool connected;
bool ignore_notices;
bool log_notices;
bool yield(zval *_return_value, EventType event, double timeout);
bool wait_write_ready();
};
} // namespace postgresql
} // namespace swoole
#define PGSQL_ASSOC 1 << 0
#define PGSQL_NUM 1 << 1
#define PGSQL_BOTH (PGSQL_ASSOC | PGSQL_NUM)
/* from postgresql/src/include/catalog/pg_type.h */
#define BOOLOID 16
#define BYTEAOID 17
#define INT2OID 21
#define INT4OID 23
#define INT8OID 20
#define TEXTOID 25
#define OIDOID 26
#define FLOAT4OID 700
#define FLOAT8OID 701
using swoole::Coroutine;
using swoole::Event;
using swoole::Reactor;
using swoole::coroutine::System;
using swoole::network::Socket;
using PGObject = swoole::postgresql::Object;
using PGQueryType = swoole::postgresql::QueryType;
PHP_MINIT_FUNCTION(swoole_postgresql);
PHP_MINFO_FUNCTION(swoole_postgresql);
void swoole_postgresql_init(int module_number);
// clang-format off
/* {{{ swoole_postgresql_deps
*/
static const zend_module_dep swoole_postgresql_deps[] = {
ZEND_MOD_REQUIRED("swoole")
ZEND_MOD_END
};
/* }}} */
zend_module_entry swoole_postgresql_module_entry = {
STANDARD_MODULE_HEADER_EX, NULL,
swoole_postgresql_deps,
"swoole_postgresql",
NULL,
PHP_MINIT(swoole_postgresql),
NULL,
NULL,
NULL,
PHP_MINFO(swoole_postgresql),
PHP_SWOOLE_EXT_PLUS_VERSION,
STANDARD_MODULE_PROPERTIES
};
// clang-format on
#ifdef COMPILE_DL_SWOOLE_POSTGRESQL
ZEND_GET_MODULE(swoole_postgresql)
#endif
static zend_class_entry *swoole_postgresql_coro_ce;
static zend_object_handlers swoole_postgresql_coro_handlers;
static int le_result;
struct PostgreSQLObject {
PGObject object;
zend_object std;
};
static sw_inline PostgreSQLObject *php_swoole_postgresql_coro_fetch_object(zend_object *obj) {
return (PostgreSQLObject *) ((char *) obj - swoole_postgresql_coro_handlers.offset);
}
static sw_inline PGObject *php_swoole_postgresql_coro_get_object(zval *zobject) {
return &php_swoole_postgresql_coro_fetch_object(Z_OBJ_P(zobject))->object;
}
static int swoole_postgresql_coro_close(zval *zobject);
static void php_swoole_postgresql_coro_free_object(zend_object *object) {
PostgreSQLObject *postgresql_coro = php_swoole_postgresql_coro_fetch_object(object);
if (postgresql_coro->object.conn) {
zval zobject;
ZVAL_OBJ(&zobject, object);
swoole_postgresql_coro_close(&zobject);
}
zend_object_std_dtor(&postgresql_coro->std);
}
static zend_object *php_swoole_postgresql_coro_create_object(zend_class_entry *ce) {
PostgreSQLObject *postgresql_coro = (PostgreSQLObject *) zend_object_alloc(sizeof(*postgresql_coro), ce);
zend_object_std_init(&postgresql_coro->std, ce);
object_properties_init(&postgresql_coro->std, ce);
postgresql_coro->std.handlers = &swoole_postgresql_coro_handlers;
Coroutine::get_current_safe();
do {
PGObject *object = &postgresql_coro->object;
object->object = &object->_object;
ZVAL_OBJ(object->object, &postgresql_coro->std);
} while (0);
return &postgresql_coro->std;
}
static PHP_METHOD(swoole_postgresql_coro, __construct);
static PHP_METHOD(swoole_postgresql_coro, __destruct);
static PHP_METHOD(swoole_postgresql_coro, connect);
static PHP_METHOD(swoole_postgresql_coro, escape);
static PHP_METHOD(swoole_postgresql_coro, escapeLiteral);
static PHP_METHOD(swoole_postgresql_coro, escapeIdentifier);
static PHP_METHOD(swoole_postgresql_coro, query);
static PHP_METHOD(swoole_postgresql_coro, prepare);
static PHP_METHOD(swoole_postgresql_coro, execute);
static PHP_METHOD(swoole_postgresql_coro, fetchAll);
static PHP_METHOD(swoole_postgresql_coro, affectedRows);
static PHP_METHOD(swoole_postgresql_coro, numRows);
static PHP_METHOD(swoole_postgresql_coro, fieldCount);
static PHP_METHOD(swoole_postgresql_coro, metaData);
static PHP_METHOD(swoole_postgresql_coro, fetchObject);
static PHP_METHOD(swoole_postgresql_coro, fetchAssoc);
static PHP_METHOD(swoole_postgresql_coro, fetchArray);
static PHP_METHOD(swoole_postgresql_coro, fetchRow);
static void php_pgsql_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, zend_long result_type, int into_object);
static void _free_result(zend_resource *rsrc);
static int swoole_pgsql_coro_onReadable(Reactor *reactor, Event *event);
static int swoole_pgsql_coro_onWritable(Reactor *reactor, Event *event);
static int swoole_pgsql_coro_onError(Reactor *reactor, Event *event);
static int swoole_postgresql_coro_close(zval *zobject);
static int query_result_parse(PGObject *object);
static int prepare_result_parse(PGObject *object);
static int meta_data_result_parse(PGObject *object);
static void _php_pgsql_free_params(char **params, int num_params);
// clang-format off
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_void, 0, 0, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_connect, 0, 0, -1)
ZEND_ARG_INFO(0, conninfo)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_query, 0, 0, 0)
ZEND_ARG_INFO(0, query)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_send_prepare, 0, 0, 2)
ZEND_ARG_INFO(0, stmtname)
ZEND_ARG_INFO(0, query)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_send_execute, 0, 0, 2)
ZEND_ARG_INFO(0, stmtname)
ZEND_ARG_INFO(0, pv_param_arr)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_fetch_all, 0, 0, 0)
ZEND_ARG_INFO(0, result)
ZEND_ARG_INFO(0, result_type)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_affected_rows, 0, 0, 0)
ZEND_ARG_INFO(0, result)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_num_rows, 0, 0, 0)
ZEND_ARG_INFO(0, result)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_field_count, 0, 0, 0)
ZEND_ARG_INFO(0, result)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_meta_data, 0, 0, 1)
ZEND_ARG_INFO(0, table_name)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_fetch_row, 0, 0, 1)
ZEND_ARG_INFO(0, result)
ZEND_ARG_INFO(0, row)
ZEND_ARG_INFO(0, result_type)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_escape, 0, 0, 1)
ZEND_ARG_INFO(0, string)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_fetch_assoc, 0, 0, 1)
ZEND_ARG_INFO(0, result)
ZEND_ARG_INFO(0, row)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_fetch_array, 0, 0, 1)
ZEND_ARG_INFO(0, result)
ZEND_ARG_INFO(0, row)
ZEND_ARG_INFO(0, result_type)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_pg_fetch_object, 0, 0, 1)
ZEND_ARG_INFO(0, result)
ZEND_ARG_INFO(0, row)
ZEND_ARG_INFO(0, class_name)
ZEND_ARG_INFO(0, l)
ZEND_ARG_INFO(0, ctor_params)
ZEND_END_ARG_INFO()
static const zend_function_entry swoole_postgresql_coro_methods[] =
{
PHP_ME(swoole_postgresql_coro, __construct, arginfo_swoole_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, connect, arginfo_pg_connect, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, query, arginfo_pg_query, ZEND_ACC_PUBLIC )
PHP_ME(swoole_postgresql_coro, prepare, arginfo_pg_send_prepare, ZEND_ACC_PUBLIC )
PHP_ME(swoole_postgresql_coro, execute, arginfo_pg_send_execute, ZEND_ACC_PUBLIC )
PHP_ME(swoole_postgresql_coro, fetchAll, arginfo_pg_fetch_all, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, affectedRows, arginfo_pg_affected_rows, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, numRows, arginfo_pg_num_rows, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, fieldCount, arginfo_pg_field_count, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, metaData, arginfo_pg_meta_data, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, escape, arginfo_pg_escape, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, escapeLiteral, arginfo_pg_escape, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, escapeIdentifier, arginfo_pg_escape, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, fetchObject, arginfo_pg_fetch_object, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, fetchAssoc, arginfo_pg_fetch_assoc, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, fetchArray, arginfo_pg_fetch_array, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, fetchRow, arginfo_pg_fetch_row, ZEND_ACC_PUBLIC)
PHP_ME(swoole_postgresql_coro, __destruct, arginfo_swoole_void, ZEND_ACC_PUBLIC)
PHP_FE_END
};
// clang-format on
void swoole_postgresql_init(int module_number) {
SW_INIT_CLASS_ENTRY(swoole_postgresql_coro,
"Swoole\\Coroutine\\PostgreSQL",
"Co\\PostgreSQL",
swoole_postgresql_coro_methods);
#ifdef SW_SET_CLASS_NOT_SERIALIZABLE
SW_SET_CLASS_NOT_SERIALIZABLE(swoole_postgresql_coro);
#else
SW_SET_CLASS_SERIALIZABLE(swoole_postgresql_coro, zend_class_serialize_deny, zend_class_unserialize_deny);
#endif
SW_SET_CLASS_CLONEABLE(swoole_postgresql_coro, sw_zend_class_clone_deny);
SW_SET_CLASS_UNSET_PROPERTY_HANDLER(swoole_postgresql_coro, sw_zend_class_unset_property_deny);
SW_SET_CLASS_CUSTOM_OBJECT(swoole_postgresql_coro,
php_swoole_postgresql_coro_create_object,
php_swoole_postgresql_coro_free_object,
PostgreSQLObject,
std);
le_result = zend_register_list_destructors_ex(_free_result, NULL, "pgsql result", module_number);
zend_declare_property_null(swoole_postgresql_coro_ce, ZEND_STRL("error"), ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_postgresql_coro_ce, ZEND_STRL("errCode"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_postgresql_coro_ce, ZEND_STRL("resultStatus"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_postgresql_coro_ce, ZEND_STRL("resultDiag"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_postgresql_coro_ce, ZEND_STRL("notices"), ZEND_ACC_PUBLIC);
SW_REGISTER_LONG_CONSTANT("SW_PGSQL_ASSOC", PGSQL_ASSOC);
SW_REGISTER_LONG_CONSTANT("SW_PGSQL_NUM", PGSQL_NUM);
SW_REGISTER_LONG_CONSTANT("SW_PGSQL_BOTH", PGSQL_BOTH);
}
static char *_php_pgsql_trim_message(const char *message, size_t *len) {
size_t i = strlen(message);
if (i > 2 && (message[i - 2] == '\r' || message[i - 2] == '\n') && message[i - 1] == '.') {
--i;
}
while (i > 1 && (message[i - 1] == '\r' || message[i - 1] == '\n')) {
--i;
}
if (len) {
*len = i;
}
return estrndup(message, i);
}
static void _php_pgsql_notice_handler(void *resource_id, const char *message) {
zval *notices;
char *trimed_message;
size_t trimed_message_len;
PGObject *object = (PGObject *) resource_id;
if (!object->ignore_notices) {
notices = sw_zend_read_and_convert_property_array(
swoole_postgresql_coro_ce, &object->_object, ZEND_STRL("notices"), 0);
trimed_message = _php_pgsql_trim_message(message, &trimed_message_len);
if (object->log_notices) {
php_error_docref(NULL, E_NOTICE, "%s", trimed_message);
}
add_next_index_stringl(notices, trimed_message, trimed_message_len);
efree(trimed_message);
}
}
static PHP_METHOD(swoole_postgresql_coro, __construct) {}
static PHP_METHOD(swoole_postgresql_coro, connect) {
zval *conninfo;
double timeout = Socket::default_connect_timeout;
ZEND_PARSE_PARAMETERS_START(1, 2)
Z_PARAM_ZVAL(conninfo)
Z_PARAM_OPTIONAL
Z_PARAM_DOUBLE(timeout)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
PGObject *object = php_swoole_postgresql_coro_get_object(ZEND_THIS);
if (object->conn) {
RETURN_FALSE;
}
zend::String dsn(conninfo);
char *p = dsn.val();
for (size_t i = 0; i < dsn.len(); i++) {
if (*p == ';') {
*p = ' ';
}
p++;
}
PGconn *pgsql = PQconnectStart(dsn.val());
if (!pgsql) {
RETURN_FALSE;
}
int fd = PQsocket(pgsql);
if (sw_unlikely(fd < 0)) {
RETURN_FALSE;
}
php_swoole_check_reactor();
if (!swoole_event_isset_handler(PHP_SWOOLE_FD_POSTGRESQL)) {
swoole_event_set_handler(PHP_SWOOLE_FD_POSTGRESQL | SW_EVENT_READ, swoole_pgsql_coro_onReadable);
swoole_event_set_handler(PHP_SWOOLE_FD_POSTGRESQL | SW_EVENT_WRITE, swoole_pgsql_coro_onWritable);
swoole_event_set_handler(PHP_SWOOLE_FD_POSTGRESQL | SW_EVENT_ERROR, swoole_pgsql_coro_onError);
}
object->socket = swoole::make_socket(fd, (enum swFdType) PHP_SWOOLE_FD_POSTGRESQL);
object->socket->object = object;
object->conn = pgsql;
object->status = CONNECTION_STARTED;
object->connected = false;
ON_SCOPE_EXIT {
if (!object->connected) {
object->conn = NULL;
}
};
PQsetnonblocking(pgsql, 1);
PQsetNoticeProcessor(pgsql, _php_pgsql_notice_handler, object);
if (pgsql == NULL || PQstatus(pgsql) == CONNECTION_BAD) {
swoole_warning("Unable to connect to PostgreSQL server: [%s]", PQhost(pgsql));
if (pgsql) {
PQfinish(pgsql);
}
RETURN_FALSE;
}
if (!object->yield(return_value, SW_EVENT_WRITE, timeout)) {
const char *feedback;
switch (PQstatus(pgsql)) {
case CONNECTION_STARTED:
feedback = "connection time out...please make sure your host,dbname,user and password is correct ";
break;
case CONNECTION_MADE:
feedback = "Connected to server..";
break;
default:
feedback = " time out..";
break;
}
char *err_msg = PQerrorMessage(object->conn);
if (pgsql == NULL || PQstatus(pgsql) == CONNECTION_STARTED) {
swoole_warning(" [%s, %s] ", feedback, err_msg);
} else if (PQstatus(pgsql) == CONNECTION_MADE) {
PQfinish(pgsql);
}
zend_update_property_string(swoole_postgresql_coro_ce,
SW_Z8_OBJ_P(ZEND_THIS),
ZEND_STRL("error"),
swoole_strerror(swoole_get_last_error()));
RETURN_FALSE;
}
ZVAL_BOOL(return_value, object->connected);
}
static void connect_callback(PGObject *object, Reactor *reactor, Event *event) {
PGconn *conn = object->conn;
ConnStatusType status = PQstatus(conn);
int events = 0;
char *err_msg;
swoole_event_del(object->socket);
if (status != CONNECTION_OK) {
PostgresPollingStatusType flag = PQconnectPoll(conn);
switch (flag) {
case PGRES_POLLING_READING:
events = SW_EVENT_READ;
break;
case PGRES_POLLING_WRITING:
events = SW_EVENT_WRITE;
break;
case PGRES_POLLING_OK:
object->connected = true;
events = 0;
break;
case PGRES_POLLING_FAILED:
events = 0;
err_msg = PQerrorMessage(conn);
zend_update_property_string(
swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object->object), ZEND_STRL("error"), err_msg);
break;
default:
swoole_warning("PQconnectPoll unexpected status");
break;
}
if (events) {
event->socket->fd = PQsocket(conn);
swoole_event_add(event->socket, events);
return;
}
}
if (object->connected == 1) {
zend_update_property_null(swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object->object), ZEND_STRL("error"));
}
object->co->resume();
}
static int swoole_pgsql_coro_onWritable(Reactor *reactor, Event *event) {
PGObject *object = (PGObject *) event->socket->object;
if (!object->connected) {
connect_callback(object, reactor, event);
return SW_OK;
}
if (object->co) {
object->co->resume();
return SW_OK;
} else {
return reactor->default_write_handler(reactor, event);
}
}
static int swoole_pgsql_coro_onReadable(Reactor *reactor, Event *event) {
PGObject *object = (PGObject *) (event->socket->object);
if (!object->connected) {
connect_callback(object, reactor, event);
return SW_OK;
}
switch (object->request_type) {
case PGQueryType::NORMAL_QUERY:
query_result_parse(object);
break;
case PGQueryType::META_DATA:
meta_data_result_parse(object);
break;
case PGQueryType::PREPARE:
prepare_result_parse(object);
break;
}
return SW_OK;
}
static int meta_data_result_parse(PGObject *object) {
int i, num_rows;
zval elem;
PGresult *pg_result;
zend_bool extended = 0;
pg_result = PQgetResult(object->conn);
if (PQresultStatus(pg_result) != PGRES_TUPLES_OK || (num_rows = PQntuples(pg_result)) == 0) {
php_swoole_fatal_error(E_WARNING, "Table doesn't exists");
return 0;
}
array_init(object->return_value);
for (i = 0; i < num_rows; i++) {
object->result = pg_result;
char *name;
array_init(&elem);
/* pg_attribute.attnum */
add_assoc_long_ex(&elem, "num", sizeof("num") - 1, atoi(PQgetvalue(pg_result, i, 1)));
/* pg_type.typname */
add_assoc_string_ex(&elem, "type", sizeof("type") - 1, PQgetvalue(pg_result, i, 2));
/* pg_attribute.attlen */
add_assoc_long_ex(&elem, "len", sizeof("len") - 1, atoi(PQgetvalue(pg_result, i, 3)));
/* pg_attribute.attnonull */
add_assoc_bool_ex(&elem, "not null", sizeof("not null") - 1, !strcmp(PQgetvalue(pg_result, i, 4), "t"));
/* pg_attribute.atthasdef */
add_assoc_bool_ex(&elem, "has default", sizeof("has default") - 1, !strcmp(PQgetvalue(pg_result, i, 5), "t"));
/* pg_attribute.attndims */
add_assoc_long_ex(&elem, "array dims", sizeof("array dims") - 1, atoi(PQgetvalue(pg_result, i, 6)));
/* pg_type.typtype */
add_assoc_bool_ex(&elem, "is enum", sizeof("is enum") - 1, !strcmp(PQgetvalue(pg_result, i, 7), "e"));
if (extended) {
/* pg_type.typtype */
add_assoc_bool_ex(&elem, "is base", sizeof("is base") - 1, !strcmp(PQgetvalue(pg_result, i, 7), "b"));
add_assoc_bool_ex(
&elem, "is composite", sizeof("is composite") - 1, !strcmp(PQgetvalue(pg_result, i, 7), "c"));
add_assoc_bool_ex(&elem, "is pesudo", sizeof("is pesudo") - 1, !strcmp(PQgetvalue(pg_result, i, 7), "p"));
/* pg_description.description */
add_assoc_string_ex(&elem, "description", sizeof("description") - 1, PQgetvalue(pg_result, i, 8));
}
/* pg_attribute.attname */
name = PQgetvalue(pg_result, i, 0);
add_assoc_zval(object->return_value, name, &elem);
}
zend_update_property_null(swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object->object), ZEND_STRL("error"));
zend_update_property_null(swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object->object), ZEND_STRL("resultDiag"));
object->co->resume();
return SW_OK;
}
static void set_error_diag(const PGObject *object, const PGresult *pgsql_result) {
const unsigned int error_codes[] = {PG_DIAG_SEVERITY,
PG_DIAG_SQLSTATE,
PG_DIAG_MESSAGE_PRIMARY,
PG_DIAG_MESSAGE_DETAIL,
PG_DIAG_MESSAGE_HINT,
PG_DIAG_STATEMENT_POSITION,
PG_DIAG_INTERNAL_POSITION,
PG_DIAG_INTERNAL_QUERY,
PG_DIAG_CONTEXT,
PG_DIAG_SCHEMA_NAME,
PG_DIAG_TABLE_NAME,
PG_DIAG_COLUMN_NAME,
PG_DIAG_DATATYPE_NAME,
PG_DIAG_CONSTRAINT_NAME,
PG_DIAG_SOURCE_FILE,
PG_DIAG_SOURCE_LINE,
PG_DIAG_SOURCE_FUNCTION};
const char *error_names[] = {"severity",
"sqlstate",
"message_primary",
"message_detail",
"message_hint",
"statement_position",
"internal_position",
"internal_query",
"content",
"schema_name",
"table_name",
"column_name",
"datatype_name",
"constraint_name",
"source_file",
"source_line",
"source_function"};
long unsigned int i;
char *error_result;
zval result_diag;
array_init_size(&result_diag, sizeof(error_codes) / sizeof(int));
for (i = 0; i < sizeof(error_codes) / sizeof(int); i++) {
error_result = PQresultErrorField(pgsql_result, error_codes[i]);
if (error_result != nullptr) {
add_assoc_string(&result_diag, error_names[i], error_result);
} else {
add_assoc_null(&result_diag, error_names[i]);
}
}
zend_update_property(swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object->object), ZEND_STRL("resultDiag"), &result_diag);
zval_dtor(&result_diag);
}
static int query_result_parse(PGObject *object) {
PGresult *pgsql_result;
ExecStatusType status;
int error = 0;
char *err_msg;
int res;
pgsql_result = PQgetResult(object->conn);
status = PQresultStatus(pgsql_result);
zend_update_property_long(
swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object->object), ZEND_STRL("resultStatus"), status);
switch (status) {
case PGRES_EMPTY_QUERY:
case PGRES_BAD_RESPONSE:
case PGRES_NONFATAL_ERROR:
case PGRES_FATAL_ERROR:
err_msg = PQerrorMessage(object->conn);
set_error_diag(object, pgsql_result);
PQclear(pgsql_result);
ZVAL_FALSE(object->return_value);
zend_update_property_string(
swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object->object), ZEND_STRL("error"), err_msg);
object->co->resume();
break;
case PGRES_COMMAND_OK: /* successful command that did not return rows */
default:
object->result = pgsql_result;
object->row = 0;
/* Wait to finish sending buffer */
res = PQflush(object->conn);
ZVAL_RES(object->return_value, zend_register_resource(pgsql_result, le_result));
zend_update_property_null(swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object->object), ZEND_STRL("error"));
zend_update_property_null(swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object->object), ZEND_STRL("resultDiag"));
object->co->resume();
if (error != 0) {
php_swoole_fatal_error(E_WARNING, "socket error. Error: %s [%d]", strerror(error), error);
}
break;
}
(void) res;
return SW_OK;
}
static int prepare_result_parse(PGObject *object) {
int error = 0;
char *err_msg;
int res;
PGresult *pgsql_result = PQgetResult(object->conn);
ExecStatusType status = PQresultStatus(pgsql_result);
zend_update_property_long(
swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object->object), ZEND_STRL("resultStatus"), status);
switch (status) {
case PGRES_EMPTY_QUERY:
case PGRES_BAD_RESPONSE:
case PGRES_NONFATAL_ERROR:
case PGRES_FATAL_ERROR:
err_msg = PQerrorMessage(object->conn);
set_error_diag(object, pgsql_result);
PQclear(pgsql_result);
ZVAL_FALSE(object->return_value);
zend_update_property_string(
swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object->object), ZEND_STRL("error"), err_msg);
object->co->resume();
if (error != 0) {
php_swoole_fatal_error(E_WARNING, "socket error. Error: %s [%d]", strerror(error), error);
}
break;
case PGRES_COMMAND_OK: /* successful command that did not return rows */
/* Wait to finish sending buffer */
// res = PQflush(object->conn);
PQclear(pgsql_result);
ZVAL_TRUE(object->return_value);
zend_update_property_null(swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object->object), ZEND_STRL("error"));
zend_update_property_null(swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object->object), ZEND_STRL("resultDiag"));
object->co->resume();
if (error != 0) {
php_swoole_fatal_error(E_WARNING, "socket error. Error: %s [%d]", strerror(error), error);
}
break;
default:
PQclear(pgsql_result);
ZVAL_FALSE(object->return_value);
zend_update_property_string(swoole_postgresql_coro_ce,
SW_Z8_OBJ_P(object->object),
ZEND_STRL("error"),
"Bad result returned to prepare");
object->co->resume();
if (error != 0) {
php_swoole_fatal_error(E_WARNING, "socket error. Error: %s [%d]", strerror(error), error);
}
break;
}
(void) res;
return SW_OK;
}
bool PGObject::wait_write_ready() {
int retval = 0;
while ((retval = PQflush(conn)) == 1) {
zval return_value;
if (!yield(&return_value, SW_EVENT_WRITE, Socket::default_write_timeout)) {
return false;
}
}
if (retval == -1) {
char *err_msg = PQerrorMessage(conn);
zend_update_property_string(swoole_postgresql_coro_ce, SW_Z8_OBJ_P(object), ZEND_STRL("error"), err_msg);
return false;
}
return true;
}
bool PGObject::yield(zval *_return_value, EventType event, double timeout) {
co = swoole::Coroutine::get_current_safe();
if (swoole_event_add(socket, event) < 0) {
php_swoole_fatal_error(E_WARNING, "swoole_event_add failed");
RETVAL_FALSE;
return false;
}
ON_SCOPE_EXIT {
co = nullptr;
if (!socket->removed && swoole_event_del(socket) < 0) {
php_swoole_fatal_error(E_WARNING, "swoole_event_del failed");
}
};
return_value = _return_value;
if (!co->yield_ex(timeout)) {
ZVAL_FALSE(_return_value);
if (co->is_canceled()) {
zend_update_property_string(swoole_postgresql_coro_ce,
SW_Z8_OBJ_P(object),
ZEND_STRL("error"),
swoole_strerror(SW_ERROR_CO_CANCELED));
} else if (co->is_timedout()) {
zend_update_property_string(swoole_postgresql_coro_ce,
SW_Z8_OBJ_P(object),
ZEND_STRL("error"),
swoole_strerror(SW_ERROR_CO_TIMEDOUT));
}
return false;
}
return true;
}
static PHP_METHOD(swoole_postgresql_coro, query) {
zval *query;
PGconn *pgsql;
PGresult *pgsql_result;
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_ZVAL(query)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
PGObject *object = php_swoole_postgresql_coro_get_object(ZEND_THIS);
if (!object || !object->conn) {
RETURN_FALSE;
}
object->request_type = PGQueryType::NORMAL_QUERY;
pgsql = object->conn;
object->object = ZEND_THIS;
while ((pgsql_result = PQgetResult(pgsql))) {
PQclear(pgsql_result);
}
if (PQsendQuery(pgsql, Z_STRVAL_P(query)) == 0) {
char *err_msg = PQerrorMessage(pgsql);
zend_update_property_string(swoole_postgresql_coro_ce, SW_Z8_OBJ_P(ZEND_THIS), ZEND_STRL("error"), err_msg);
RETURN_FALSE;
}
if (!object->wait_write_ready()) {
RETURN_FALSE;
}
object->yield(return_value, SW_EVENT_READ, Socket::default_read_timeout);
}
static PHP_METHOD(swoole_postgresql_coro, prepare) {
zval *query, *stmtname;
PGconn *pgsql;
int is_non_blocking;
PGresult *pgsql_result;
ZEND_PARSE_PARAMETERS_START(2, 2)
Z_PARAM_ZVAL(stmtname)
Z_PARAM_ZVAL(query)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
PGObject *object = php_swoole_postgresql_coro_get_object(ZEND_THIS);
if (!object || !object->conn) {
RETURN_FALSE;
}
object->request_type = PGQueryType::PREPARE;
pgsql = object->conn;
object->object = ZEND_THIS;
is_non_blocking = PQisnonblocking(pgsql);
if (is_non_blocking == 0 && PQsetnonblocking(pgsql, 1) == -1) {
php_swoole_fatal_error(E_NOTICE, "Cannot set connection to nonblocking mode");
RETURN_FALSE;
}
while ((pgsql_result = PQgetResult(pgsql))) {
PQclear(pgsql_result);
}
if (!PQsendPrepare(pgsql, Z_STRVAL_P(stmtname), Z_STRVAL_P(query), 0, NULL)) {
if (is_non_blocking) {
RETURN_FALSE;
} else {
/*if ((PGG(auto_reset_persistent) & 2) && PQstatus(pgsql) != CONNECTION_OK) {
PQreset(pgsql);
}*/
if (!PQsendPrepare(pgsql, Z_STRVAL_P(stmtname), Z_STRVAL_P(query), 0, NULL)) {
RETURN_FALSE;
}
}
}
if (!object->wait_write_ready()) {
RETURN_FALSE;
}
object->yield(return_value, SW_EVENT_READ, Socket::default_read_timeout);
}
static PHP_METHOD(swoole_postgresql_coro, execute) {
zval *pv_param_arr, *tmp;
int num_params = 0;
char **params = NULL;
zval *stmtname;
PGconn *pgsql;
int is_non_blocking;
PGresult *pgsql_result;
ZEND_PARSE_PARAMETERS_START(2, 2)
Z_PARAM_ZVAL(stmtname)
Z_PARAM_ZVAL(pv_param_arr)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
PGObject *object = php_swoole_postgresql_coro_get_object(ZEND_THIS);
if (!object || !object->conn) {
RETURN_FALSE;
}
object->request_type = PGQueryType::NORMAL_QUERY;
pgsql = object->conn;
object->object = ZEND_THIS;
is_non_blocking = PQisnonblocking(pgsql);
if (is_non_blocking == 0 && PQsetnonblocking(pgsql, 1) == -1) {
php_swoole_fatal_error(E_NOTICE, "Cannot set connection to nonblocking mode");
RETURN_FALSE;
}
while ((pgsql_result = PQgetResult(pgsql))) {
PQclear(pgsql_result);
}
num_params = zend_hash_num_elements(Z_ARRVAL_P(pv_param_arr));
if (num_params > 0) {
int i = 0;
params = (char **) safe_emalloc(sizeof(char *), num_params, 0);
ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(pv_param_arr), tmp) {
if (Z_TYPE_P(tmp) == IS_NULL) {
params[i] = NULL;
} else {
zval tmp_val;
ZVAL_COPY(&tmp_val, tmp);
convert_to_string(&tmp_val);
if (Z_TYPE(tmp_val) != IS_STRING) {
php_swoole_fatal_error(E_WARNING, "Error converting parameter");
zval_ptr_dtor(&tmp_val);
_php_pgsql_free_params(params, num_params);
RETURN_FALSE;
}
params[i] = estrndup(Z_STRVAL(tmp_val), Z_STRLEN(tmp_val));
zval_ptr_dtor(&tmp_val);
}
i++;
}
ZEND_HASH_FOREACH_END();
}
if (PQsendQueryPrepared(pgsql, Z_STRVAL_P(stmtname), num_params, (const char *const *) params, NULL, NULL, 0)) {
_php_pgsql_free_params(params, num_params);
} else if (is_non_blocking) {
_php_pgsql_free_params(params, num_params);
RETURN_FALSE;
} else {
/*
if ((PGG(auto_reset_persistent) & 2) && PQstatus(pgsql) != CONNECTION_OK) {
PQreset(pgsql);
}
*/
if (!PQsendQueryPrepared(
pgsql, Z_STRVAL_P(stmtname), num_params, (const char *const *) params, NULL, NULL, 0)) {
_php_pgsql_free_params(params, num_params);
RETURN_FALSE;
}
}
if (!object->wait_write_ready()) {
RETURN_FALSE;
}
object->yield(return_value, SW_EVENT_READ, Socket::default_read_timeout);
}
static void _php_pgsql_free_params(char **params, int num_params) {
if (num_params > 0) {
for (int i = 0; i < num_params; i++) {
if (params[i]) {
efree(params[i]);
}
}
efree(params);
}
}
/* {{{ void php_pgsql_get_field_value */
static inline void php_pgsql_get_field_value(
zval *value, PGresult *pgsql_result, zend_long result_type, int row, int column) {
if (PQgetisnull(pgsql_result, row, column)) {
ZVAL_NULL(value);
} else {
char *element = PQgetvalue(pgsql_result, row, column);
if (element) {
const size_t element_len = PQgetlength(pgsql_result, row, column);
Oid pgsql_type = PQftype(pgsql_result, column);
switch (pgsql_type) {
case BOOLOID:
ZVAL_BOOL(value, *element == 't');
break;
case FLOAT4OID:
case FLOAT8OID:
if (element_len == sizeof("Infinity") - 1 && strcmp(element, "Infinity") == 0) {
ZVAL_DOUBLE(value, ZEND_INFINITY);
} else if (element_len == sizeof("-Infinity") - 1 && strcmp(element, "-Infinity") == 0) {
ZVAL_DOUBLE(value, -ZEND_INFINITY);
} else if (element_len == sizeof("NaN") - 1 && strcmp(element, "NaN") == 0) {
ZVAL_DOUBLE(value, ZEND_NAN);
} else {
ZVAL_DOUBLE(value, zend_strtod(element, NULL));
}
break;
case OIDOID:
case INT2OID:
case INT4OID:
#if SIZEOF_ZEND_LONG >= 8
case INT8OID:
#endif
{
zend_long long_value;