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swoole_postgresql_coro.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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Zhenyu Wu <[email protected]> |
+----------------------------------------------------------------------+
*/
#include "php_swoole.h"
#ifdef SW_USE_POSTGRESQL
#include "swoole_postgresql_coro.h"
#include "swoole_coroutine.h"
using namespace swoole;
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, query);
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, 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_onRead(swReactor *reactor, swEvent *event);
static int swoole_pgsql_coro_onWrite(swReactor *reactor, swEvent *event);
static int swoole_pgsql_coro_onError(swReactor *reactor, swEvent *event);
int php_pgsql_result2array(PGresult *pg_result, zval *ret_array, long result_type);
static int swoole_postgresql_coro_close(zval *zobject);
static int query_result_parse(pg_object *object);
static int meta_data_result_parse(pg_object *object);
static void swoole_pgsql_coro_onTimeout(swTimer *timer, swTimer_node *tnode);
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_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_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_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, 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, metaData, arginfo_pg_meta_data, 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
};
static zend_class_entry swoole_postgresql_coro_ce;
static zend_class_entry *swoole_postgresql_coro_ce_ptr;
static zend_object_handlers swoole_postgresql_coro_handlers;
static int le_result;
void swoole_postgresql_coro_init(int module_number)
{
SWOOLE_INIT_CLASS_ENTRY(swoole_postgresql_coro, "Swoole\\Coroutine\\PostgreSQL", NULL, "Co\\PostgreSQL", swoole_postgresql_coro_methods);
SWOOLE_SET_CLASS_SERIALIZABLE(swoole_postgresql_coro, zend_class_serialize_deny, zend_class_unserialize_deny);
SWOOLE_SET_CLASS_CLONEABLE(swoole_postgresql_coro, zend_class_clone_deny);
SWOOLE_SET_CLASS_UNSET_PROPERTY_HANDLER(swoole_postgresql_coro, zend_class_unset_property_deny);
le_result = zend_register_list_destructors_ex(_free_result, NULL, "pgsql result", module_number);
zend_declare_property_null(swoole_postgresql_coro_ce_ptr, "error", 5, ZEND_ACC_PUBLIC);
REGISTER_LONG_CONSTANT("SW_PGSQL_ASSOC", PGSQL_ASSOC, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SW_PGSQL_NUM", PGSQL_NUM, CONST_CS | CONST_PERSISTENT);
REGISTER_LONG_CONSTANT("SW_PGSQL_BOTH", PGSQL_BOTH, CONST_CS | CONST_PERSISTENT);
}
static PHP_METHOD(swoole_postgresql_coro, __construct)
{
PHPCoroutine::check();
pg_object *pg = (pg_object *) emalloc(sizeof(pg_object));
bzero(pg, sizeof(pg_object));
pg->object = getThis();
swoole_set_object(getThis(), pg);
}
static PHP_METHOD(swoole_postgresql_coro, connect)
{
zval *conninfo;
PGconn * pgsql;
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_ZVAL(conninfo)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
pgsql = PQconnectStart(Z_STRVAL_P(conninfo));
int fd = PQsocket(pgsql);
php_swoole_check_reactor();
if (!swReactor_handle_isset(SwooleG.main_reactor, PHP_SWOOLE_FD_POSTGRESQL))
{
SwooleG.main_reactor->setHandle(SwooleG.main_reactor, PHP_SWOOLE_FD_POSTGRESQL | SW_EVENT_READ, swoole_pgsql_coro_onRead);
SwooleG.main_reactor->setHandle(SwooleG.main_reactor, PHP_SWOOLE_FD_POSTGRESQL | SW_EVENT_WRITE, swoole_pgsql_coro_onWrite);
SwooleG.main_reactor->setHandle(SwooleG.main_reactor, PHP_SWOOLE_FD_POSTGRESQL | SW_EVENT_ERROR, swoole_pgsql_coro_onError);
}
if (SwooleG.main_reactor->add(SwooleG.main_reactor, fd, PHP_SWOOLE_FD_POSTGRESQL | SW_EVENT_WRITE) < 0)
{
swoole_php_fatal_error(E_WARNING, "swoole_event_add failed.");
RETURN_FALSE;
}
pg_object *object = (pg_object *) swoole_get_object(getThis());
object->fd = fd;
object->conn = pgsql;
object->timeout = SW_PGSQL_CONNECT_TIMEOUT;
object->status = CONNECTION_STARTED;
PQsetnonblocking(pgsql , 1);
if (pgsql==NULL || PQstatus(pgsql)==CONNECTION_BAD)
{
swWarn("Unable to connect to PostgreSQL server: [%s]", PQhost(pgsql));
if (pgsql)
{
PQfinish(pgsql);
}
RETURN_FALSE;
}
swConnection *_socket = swReactor_get(SwooleG.main_reactor, fd);
_socket->object = object;
_socket->active = 0;
php_coro_context *context = (php_coro_context *) swoole_get_property(getThis(), 0);
if (!context)
{
context = (php_coro_context *) emalloc(sizeof(php_coro_context));
swoole_set_property(getThis(), 0, context);
}
context->state = SW_CORO_CONTEXT_RUNNING;
context->coro_params = *getThis();
if (object->timeout > 0)
{
object->timer = swTimer_add(&SwooleG.timer, (long) (object->timeout * 1000), 0, context, swoole_pgsql_coro_onTimeout);
}
PHPCoroutine::yield_m(return_value, context);
}
static void swoole_pgsql_coro_onTimeout(swTimer *timer, swTimer_node *tnode)
{
zval _result;
zval *result = &_result;
zval *retval = NULL;
PGconn *pgsql;
php_coro_context *ctx = (php_coro_context *) tnode->data;
const char *feedback;
char *err_msg;
ZVAL_BOOL(result, 0);
zval _zobject = ctx->coro_params;
zval *zobject = &_zobject;
pg_object *object = (pg_object *) swoole_get_object(zobject);
object->timer = NULL;
pgsql = object->conn;
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...";
}
err_msg = PQerrorMessage(object->conn);
if (pgsql==NULL || PQstatus(pgsql) == CONNECTION_STARTED)
{
swWarn(" [%s, %s] ", feedback, err_msg);
} else if (PQstatus(pgsql) == CONNECTION_MADE)
{
PQfinish(pgsql);
}
zend_update_property_string(swoole_postgresql_coro_ce_ptr, zobject, "error", 5, "ontimeout");
int ret = PHPCoroutine::resume_m(ctx, result, retval);
if (ret == SW_CORO_ERR_END && retval)
{
zval_ptr_dtor(retval);
}
zval_ptr_dtor(result);
}
static int swoole_pgsql_coro_onWrite(swReactor *reactor, swEvent *event)
{
char *err_msg;
if (event->socket->active)
{
return swReactor_onWrite(SwooleG.main_reactor, event);
}
socklen_t len = sizeof(SwooleG.error);
if (getsockopt(event->fd, SOL_SOCKET, SO_ERROR, &SwooleG.error, &len) < 0)
{
swWarn("getsockopt(%d) failed. Error: %s[%d]", event->fd, strerror(errno), errno);
return SW_ERR;
}
pg_object *object = (pg_object *) event->socket->object;
if (object->timer)
{
swTimer_del(&SwooleG.timer, object->timer);
object->timer = NULL;
}
uint8_t success = 1;
// wait the connection ok
ConnStatusType status = PQstatus(object->conn);
if(status != CONNECTION_OK){
success = 0;
PostgresPollingStatusType flag = PGRES_POLLING_WRITING;
for (;;)
{
switch (flag)
{
case PGRES_POLLING_OK:
break;
case PGRES_POLLING_READING:
break;
case PGRES_POLLING_WRITING:
break;
case PGRES_POLLING_FAILED:
err_msg = PQerrorMessage(object->conn);
swWarn("error:[%s]",err_msg);
break;
default:
break;
}
flag = PQconnectPoll(object->conn);
if(flag == PGRES_POLLING_OK )
{
success = 1;
break;
}
if(flag == PGRES_POLLING_FAILED )
{
err_msg = PQerrorMessage(object->conn);
swWarn("error:[%s] please cofirm that the connection configuration is correct \n",err_msg);
zend_update_property_string(swoole_postgresql_coro_ce_ptr, object->object, "error", 5, err_msg);
break;
}
}
}
//listen read event
SwooleG.main_reactor->set(SwooleG.main_reactor, event->fd, PHP_SWOOLE_FD_POSTGRESQL | SW_EVENT_READ);
//connected
event->socket->active = 1;
php_coro_context *context = (php_coro_context *) swoole_get_property(object->object, 0);
zval *retval = NULL;
zval return_value;
ZVAL_BOOL(&return_value, success);
if (success == 1)
{
zend_update_property_null(swoole_postgresql_coro_ce_ptr, object->object, "error", 5);
}
int ret = PHPCoroutine::resume_m(context, &return_value, retval);
if (ret == SW_CORO_ERR_END && retval)
{
zval_ptr_dtor(retval);
}
return SW_OK;
}
static int swoole_pgsql_coro_onRead(swReactor *reactor, swEvent *event)
{
pg_object *object = (pg_object *)(event->socket->object);
if (object->timer)
{
swTimer_del(&SwooleG.timer, object->timer);
object->timer = NULL;
}
switch (object->request_type)
{
case NORMAL_QUERY:
query_result_parse(object);
break;
case META_DATA:
meta_data_result_parse(object);
break;
}
return SW_OK;
}
static int meta_data_result_parse(pg_object *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_error_docref(NULL, E_WARNING, "Table doesn't exists");
return 0;
}
zval return_value;
array_init(&return_value);
zval * retval = NULL;
array_init(&elem);
for (i = 0; i < num_rows; i++)
{
object->result = pg_result;
char *name;
/* 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(&return_value, name, &elem);
}
php_coro_context *context = (php_coro_context *) swoole_get_property(object->object, 0);
zend_update_property_null(swoole_postgresql_coro_ce_ptr, object->object, "error", 5);
int ret = PHPCoroutine::resume_m(context, &return_value, retval);
if (ret == SW_CORO_ERR_END && retval)
{
zval_ptr_dtor(retval);
}
zval_ptr_dtor(&return_value);
return SW_OK;
}
static int query_result_parse(pg_object *object)
{
PGresult *pgsql_result;
ExecStatusType status;
int error = 0;
char *err_msg;
int ret, res;
zval *retval = NULL;
zval return_value;
php_coro_context *context = (php_coro_context *) swoole_get_property(object->object, 0);
pgsql_result = PQgetResult(object->conn);
status = PQresultStatus(pgsql_result);
switch (status) {
case PGRES_EMPTY_QUERY:
case PGRES_BAD_RESPONSE:
case PGRES_NONFATAL_ERROR:
case PGRES_FATAL_ERROR:
err_msg = PQerrorMessage(object->conn);
swWarn("Query failed: [%s]",err_msg);
PQclear(pgsql_result);
ZVAL_FALSE(&return_value);
zend_update_property_string(swoole_postgresql_coro_ce_ptr, object->object, "error", 5, err_msg);
ret = PHPCoroutine::resume_m(context, &return_value, retval);
if (ret == SW_CORO_ERR_END && retval)
{
zval_ptr_dtor(retval);
}
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(&return_value, zend_register_resource(object, le_result));
zend_update_property_null(swoole_postgresql_coro_ce_ptr, object->object, "error", 5);
ret = PHPCoroutine::resume_m(context, &return_value, retval);
if (ret == SW_CORO_ERR_END && retval)
{
zval_ptr_dtor(retval);
}
PQclear(pgsql_result);
if (error != 0)
{
swoole_php_fatal_error(E_WARNING, "swoole_event->onError[1]: socket error. Error: %s [%d]", strerror(error), error);
}
break;
}
return SW_OK;
}
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);
pg_object *object = (pg_object *) swoole_get_object(getThis());
object->request_type = NORMAL_QUERY;
pgsql = object->conn;
while ((pgsql_result = PQgetResult(pgsql)))
{
PQclear(pgsql_result);
}
int ret = PQsendQuery(pgsql, Z_STRVAL_P(query));
if(ret == 0)
{
char * err_msg = PQerrorMessage(pgsql);
swWarn("error:[%s]",err_msg);
}
php_coro_context *context = (php_coro_context *) swoole_get_property(getThis(), 0);
context->state = SW_CORO_CONTEXT_RUNNING;
context->coro_params = *getThis();
//TODO: add the timeout
/*
if (pg_object->timeout > 0)
{
pg_object->timer = swTimer_add(&SwooleG.timer, (int) (pg_object->timeout * 1000), 0, sw_current_context, swoole_pgsql_coro_onTimeout);
}*/
PHPCoroutine::yield_m(return_value, context);
}
/* {{{ php_pgsql_result2array
*/
int swoole_pgsql_result2array(PGresult *pg_result, zval *ret_array, long result_type)
{
zval row;
char *field_name;
size_t num_fields;
int pg_numrows, pg_row;
uint32_t i;
assert(Z_TYPE_P(ret_array) == IS_ARRAY);
if ((pg_numrows = PQntuples(pg_result)) <= 0)
{
return FAILURE;
}
for (pg_row = 0; pg_row < pg_numrows; pg_row++)
{
array_init(&row);
for (i = 0, num_fields = PQnfields(pg_result); i < num_fields; i++)
{
field_name = PQfname(pg_result, i);
if (PQgetisnull(pg_result, pg_row, i))
{
if (result_type & PGSQL_ASSOC)
{
add_assoc_null(&row, field_name);
}
if (result_type & PGSQL_NUM)
{
add_next_index_null(&row);
}
}
else
{
char *element = PQgetvalue(pg_result, pg_row, i);
if (element)
{
const size_t element_len = strlen(element);
if (result_type & PGSQL_ASSOC)
{
add_assoc_stringl(&row, field_name, element, element_len);
}
if (result_type & PGSQL_NUM)
{
add_next_index_stringl(&row, element, element_len);
}
}
}
}
add_index_zval(ret_array, pg_row, &row);
}
return SUCCESS;
}
static PHP_METHOD(swoole_postgresql_coro, fetchAll)
{
zval *result;
PGresult *pgsql_result;
pg_object *object;
zend_long result_type = PGSQL_ASSOC;
ZEND_PARSE_PARAMETERS_START(1,2)
Z_PARAM_RESOURCE(result)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(result_type)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
if ((object = (pg_object *)zend_fetch_resource(Z_RES_P(result), "PostgreSQL result", le_result)) == NULL)
{
RETURN_FALSE;
}
pgsql_result = object->result;
array_init(return_value);
if (swoole_pgsql_result2array(pgsql_result, return_value, result_type) == FAILURE)
{
zval_dtor(return_value);
RETURN_FALSE;
}
}
static PHP_METHOD(swoole_postgresql_coro, affectedRows)
{
zval *result;
PGresult *pgsql_result;
pg_object *object;
ZEND_PARSE_PARAMETERS_START(1,1)
Z_PARAM_RESOURCE(result)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
if ((object = (pg_object *)zend_fetch_resource(Z_RES_P(result), "PostgreSQL result", le_result)) == NULL)
{
RETURN_FALSE;
}
pgsql_result = object->result;
RETVAL_LONG(atoi(PQcmdTuples(pgsql_result)));
}
//query's num
static PHP_METHOD(swoole_postgresql_coro, numRows)
{
zval *result;
PGresult *pgsql_result;
pg_object *object;
ZEND_PARSE_PARAMETERS_START(1,1)
Z_PARAM_RESOURCE(result)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
if ((object = (pg_object *)zend_fetch_resource(Z_RES_P(result), "PostgreSQL result", le_result)) == NULL)
{
RETURN_FALSE;
}
pgsql_result = object->result;
RETVAL_LONG(PQntuples(pgsql_result));
}
static PHP_METHOD(swoole_postgresql_coro, metaData)
{
char *table_name;
size_t table_name_len;
zend_bool extended=0;
PGconn *pgsql;
PGresult *pg_result;
char *src, *tmp_name, *tmp_name2 = NULL;
char *escaped;
smart_str querystr = {0};
size_t new_len;
ZEND_PARSE_PARAMETERS_START(1,1)
Z_PARAM_STRING(table_name, table_name_len)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
pg_object *object = (pg_object *) swoole_get_object(getThis());
object->request_type = META_DATA;
pgsql = object->conn;
while ((pg_result = PQgetResult(pgsql)))
{
PQclear(pg_result);
}
if (!*table_name)
{
php_error_docref(NULL, E_WARNING, "The table name must be specified");
RETURN_FALSE;
}
src = estrdup(table_name);
tmp_name = php_strtok_r(src, ".", &tmp_name2);
if (!tmp_name)
{
efree(src);
php_error_docref(NULL, E_WARNING, "The table name must be specified");
RETURN_FALSE;
}
if (!tmp_name2 || !*tmp_name2)
{
/* Default schema */
tmp_name2 = tmp_name;
tmp_name = (char *) "public";
}
if (extended)
{
smart_str_appends(&querystr,
"SELECT a.attname, a.attnum, t.typname, a.attlen, a.attnotNULL, a.atthasdef, a.attndims, t.typtype, "
"d.description "
"FROM pg_class as c "
" JOIN pg_attribute a ON (a.attrelid = c.oid) "
" JOIN pg_type t ON (a.atttypid = t.oid) "
" JOIN pg_namespace n ON (c.relnamespace = n.oid) "
" LEFT JOIN pg_description d ON (d.objoid=a.attrelid AND d.objsubid=a.attnum AND c.oid=d.objoid) "
"WHERE a.attnum > 0 AND c.relname = '");
}
else
{
smart_str_appends(&querystr,
"SELECT a.attname, a.attnum, t.typname, a.attlen, a.attnotnull, a.atthasdef, a.attndims, t.typtype "
"FROM pg_class as c "
" JOIN pg_attribute a ON (a.attrelid = c.oid) "
" JOIN pg_type t ON (a.atttypid = t.oid) "
" JOIN pg_namespace n ON (c.relnamespace = n.oid) "
"WHERE a.attnum > 0 AND c.relname = '");
}
escaped = (char *)safe_emalloc(strlen(tmp_name2), 2, 1);
new_len = PQescapeStringConn(pgsql, escaped, tmp_name2, strlen(tmp_name2), NULL);
if (new_len)
{
smart_str_appendl(&querystr, escaped, new_len);
}
efree(escaped);
smart_str_appends(&querystr, "' AND n.nspname = '");
escaped = (char *)safe_emalloc(strlen(tmp_name), 2, 1);
new_len = PQescapeStringConn(pgsql, escaped, tmp_name, strlen(tmp_name), NULL);
if (new_len)
{
smart_str_appendl(&querystr, escaped, new_len);
}
efree(escaped);
smart_str_appends(&querystr, "' ORDER BY a.attnum;");
smart_str_0(&querystr);
efree(src);
//pg_result = PQexec(pgsql, ZSTR_VAL(querystr.s));
int ret = PQsendQuery(pgsql, ZSTR_VAL(querystr.s));
if(ret == 0)
{
char * err_msg = PQerrorMessage(pgsql);
swWarn("error:[%s]",err_msg);
}
smart_str_free(&querystr);
php_coro_context *context = (php_coro_context *) swoole_get_property(getThis(), 0);
context->state = SW_CORO_CONTEXT_RUNNING;
context->coro_params = *getThis();
/*
if (pg_object->timeout > 0)
{
pg_object->timer = swTimer_add(&SwooleG.timer, (int) (pg_object->timeout * 1000), 0, sw_current_context, swoole_pg_object_coro_onTimeout);
}*/
PHPCoroutine::yield_m(return_value, context);
}
/* {{{ void php_pgsql_fetch_hash */
static void php_pgsql_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, zend_long result_type, int into_object)
{
zval *result, *zrow = NULL;
PGresult *pgsql_result;
pg_object *pg_result;
int i, num_fields, pgsql_row, use_row;
zend_long row = -1;
char *field_name;
zval *ctor_params = NULL;
zend_class_entry *ce = NULL;
if (into_object)
{
zend_string *class_name = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|z!Sz", &result, &zrow, &class_name, &ctor_params) == FAILURE)
{
RETURN_FALSE;
}
if (!class_name)
{
ce = zend_standard_class_def;
} else {
ce = zend_fetch_class(class_name, ZEND_FETCH_CLASS_AUTO);
}
if (!ce)
{
php_error_docref(NULL, E_WARNING, "Could not find class '%s'", ZSTR_VAL(class_name));
return;
}
result_type = PGSQL_ASSOC;
}
else
{
if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|z!l", &result, &zrow, &result_type) == FAILURE)
{
RETURN_FALSE;
}
}
if (zrow == NULL)
{
row = -1;
} else {
convert_to_long(zrow);
row = Z_LVAL_P(zrow);
if (row < 0) {
php_error_docref(NULL, E_WARNING, "The row parameter must be greater or equal to zero");
RETURN_FALSE;
}
}
use_row = ZEND_NUM_ARGS() > 1 && row != -1;
if (!(result_type & PGSQL_BOTH))
{
php_error_docref(NULL, E_WARNING, "Invalid result type");
RETURN_FALSE;
}
if ((pg_result = (pg_object *)zend_fetch_resource(Z_RES_P(result), "PostgreSQL result", le_result)) == NULL)
{
RETURN_FALSE;
}
pgsql_result = pg_result->result;
if (use_row)
{
if (row < 0 || row >= PQntuples(pgsql_result))
{
php_error_docref(NULL, E_WARNING, "Unable to jump to row " ZEND_LONG_FMT " on PostgreSQL result index " ZEND_LONG_FMT,
row, Z_LVAL_P(result));
RETURN_FALSE;
}
pgsql_row = (int)row;
pg_result->row = pgsql_row;
}
else
{
/* If 2nd param is NULL, use internal row counter to access next row */
pgsql_row = pg_result->row;
if (pgsql_row < 0 || pgsql_row >= PQntuples(pgsql_result)) {
RETURN_FALSE;
}
pg_result->row++;
}
array_init(return_value);
for (i = 0, num_fields = PQnfields(pgsql_result); i < num_fields; i++)
{
if (PQgetisnull(pgsql_result, pgsql_row, i)) {
if (result_type & PGSQL_NUM)
{
add_index_null(return_value, i);
}
if (result_type & PGSQL_ASSOC)
{
field_name = PQfname(pgsql_result, i);
add_assoc_null(return_value, field_name);
}
}
else
{
char *element = PQgetvalue(pgsql_result, pgsql_row, i);
if (element)
{
const size_t element_len = strlen(element);
if (result_type & PGSQL_NUM)
{
add_index_stringl(return_value, i, element, element_len);
}
if (result_type & PGSQL_ASSOC)
{
field_name = PQfname(pgsql_result, i);
add_assoc_stringl(return_value, field_name, element, element_len);
}
}
}
}
if (into_object)
{
zval dataset;
zend_fcall_info fci;
zend_fcall_info_cache fcc;
zval retval;
ZVAL_COPY_VALUE(&dataset, return_value);
object_and_properties_init(return_value, ce, NULL);
if (!ce->default_properties_count && !ce->__set)
{
Z_OBJ_P(return_value)->properties = Z_ARR(dataset);
}
else
{
zend_merge_properties(return_value, Z_ARRVAL(dataset));
zval_ptr_dtor(&dataset);
}
if (ce->constructor)
{
fci.size = sizeof(fci);
ZVAL_UNDEF(&fci.function_name);
fci.object = Z_OBJ_P(return_value);
fci.retval = &retval;
fci.params = NULL;
fci.param_count = 0;
fci.no_separation = 1;
if (ctor_params && Z_TYPE_P(ctor_params) != IS_NULL)
{
if (zend_fcall_info_args(&fci, ctor_params) == FAILURE) {
/* Two problems why we throw exceptions here: PHP is typeless
* and hence passing one argument that's not an array could be
* by mistake and the other way round is possible, too. The
* single value is an array. Also we'd have to make that one
* argument passed by reference.
*/
zend_throw_exception(zend_ce_exception, "Parameter ctor_params must be an array", 0);
return;
}
}
#if PHP_VERSION_ID < 70300
fcc.initialized = 1;
#endif
fcc.function_handler = ce->constructor;
#if PHP_VERSION_ID >= 70100
fcc.calling_scope = zend_get_executed_scope();
#else
fcc.calling_scope = EG(scope);
#endif
fcc.called_scope = Z_OBJCE_P(return_value);
fcc.object = Z_OBJ_P(return_value);
if (zend_call_function(&fci, &fcc) == FAILURE)
{
zend_throw_exception_ex(zend_ce_exception, 0, "Could not execute %s::%s()", ZSTR_VAL(ce->name), ZSTR_VAL(ce->constructor->common.function_name));
} else
{
zval_ptr_dtor(&retval);
}
if (fci.params)
{
efree(fci.params);
}
}
else if (ctor_params)
{
zend_throw_exception_ex(zend_ce_exception, 0, "Class %s does not have a constructor hence you cannot use ctor_params", ZSTR_VAL(ce->name));
}
}
}
/* }}} */
/* {{{ proto array fetchRow(resource result [, int row [, int result_type]])
Get a row as an enumerated array */
static PHP_METHOD(swoole_postgresql_coro, fetchRow)
{
php_pgsql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, PGSQL_NUM, 0);
}
/* }}} */
/* {{{ proto array fetchAssoc(resource result [, int row])
Fetch a row as an assoc array */
static PHP_METHOD(swoole_postgresql_coro, fetchAssoc)
{
/* pg_fetch_assoc() is added from PHP 4.3.0. It should raise error, when
there is 3rd parameter */
if (ZEND_NUM_ARGS() > 2)
WRONG_PARAM_COUNT;
php_pgsql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, PGSQL_ASSOC, 0);
}
/* }}} */
/* {{{ proto array fetchArray(resource result [, int row [, int result_type]])
Fetch a row as an array */
static PHP_METHOD(swoole_postgresql_coro, fetchArray)
{
php_pgsql_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, PGSQL_BOTH, 0);
}
/* }}} */