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342 lines (285 loc) · 12.2 KB
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//-----------------------------------------------------------------------------
// Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
//
// Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
//
// Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
// Canada. All rights reserved.
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// cxoMsgProps.c
// Implements the message properties object used in Advanced Queuing.
//-----------------------------------------------------------------------------
#include "cxoModule.h"
//-----------------------------------------------------------------------------
// cxoMsgProps_new()
// Create a new message properties object.
//-----------------------------------------------------------------------------
cxoMsgProps *cxoMsgProps_new(cxoConnection *connection, dpiMsgProps *handle)
{
cxoMsgProps *props;
props = (cxoMsgProps*) cxoPyTypeMsgProps.tp_alloc(&cxoPyTypeMsgProps, 0);
if (!props) {
if (handle)
dpiMsgProps_release(handle);
return NULL;
}
if (!handle && dpiConn_newMsgProps(connection->handle, &handle) < 0) {
Py_DECREF(props);
cxoError_raiseAndReturnNull();
return NULL;
}
props->handle = handle;
props->encoding = connection->encodingInfo.encoding;
return props;
}
//-----------------------------------------------------------------------------
// cxoMsgProps_free()
// Free the memory associated with the message properties object.
//-----------------------------------------------------------------------------
static void cxoMsgProps_free(cxoMsgProps *props)
{
if (props->handle) {
dpiMsgProps_release(props->handle);
props->handle = NULL;
}
Py_CLEAR(props->payload);
Py_TYPE(props)->tp_free((PyObject*) props);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_getAttrInt32()
// Get the value of the attribute as a 32-bit integer.
//-----------------------------------------------------------------------------
static PyObject *cxoMsgProps_getAttrInt32(cxoMsgProps *props,
int (*func)(dpiMsgProps *props, int32_t *value))
{
int32_t value;
if ((*func)(props->handle, &value) < 0)
return cxoError_raiseAndReturnNull();
return PyLong_FromLong(value);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_setAttrInt32()
// Set the value of the attribute as a 32-bit integer.
//-----------------------------------------------------------------------------
static int cxoMsgProps_setAttrInt32(cxoMsgProps *props, PyObject *valueObj,
int (*func)(dpiMsgProps *props, int32_t value))
{
int32_t value;
value = PyLong_AsLong(valueObj);
if (PyErr_Occurred())
return -1;
if ((*func)(props->handle, value) < 0)
return cxoError_raiseAndReturnInt();
return 0;
}
//-----------------------------------------------------------------------------
// cxoMsgProps_getNumAttempts()
// Get the value of the attempts property.
//-----------------------------------------------------------------------------
static PyObject *cxoMsgProps_getNumAttempts(cxoMsgProps *props, void *unused)
{
return cxoMsgProps_getAttrInt32(props, dpiMsgProps_getNumAttempts);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_getCorrelation()
// Get the value of the correlation property.
//-----------------------------------------------------------------------------
static PyObject *cxoMsgProps_getCorrelation(cxoMsgProps *props, void *unused)
{
uint32_t valueLength;
const char *value;
if (dpiMsgProps_getCorrelation(props->handle, &value, &valueLength) < 0)
return cxoError_raiseAndReturnNull();
if (!value)
Py_RETURN_NONE;
return PyUnicode_Decode(value, valueLength, props->encoding, NULL);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_getDelay()
// Get the value of the delay property.
//-----------------------------------------------------------------------------
static PyObject *cxoMsgProps_getDelay(cxoMsgProps *props, void *unused)
{
return cxoMsgProps_getAttrInt32(props, dpiMsgProps_getDelay);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_getDeliveryMode()
// Get the value of the delivery mode property.
//-----------------------------------------------------------------------------
static PyObject *cxoMsgProps_getDeliveryMode(cxoMsgProps *props, void *unused)
{
dpiMessageDeliveryMode value;
if (dpiMsgProps_getDeliveryMode(props->handle, &value) < 0)
return cxoError_raiseAndReturnNull();
return PyLong_FromLong(value);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_getEnqTime()
// Get the value of the enqueue time property.
//-----------------------------------------------------------------------------
static PyObject *cxoMsgProps_getEnqTime(cxoMsgProps *props, void *unused)
{
dpiDataBuffer buffer;
if (dpiMsgProps_getEnqTime(props->handle, &buffer.asTimestamp) < 0)
return cxoError_raiseAndReturnNull();
return cxoTransform_toPython(CXO_TRANSFORM_DATETIME, NULL, NULL, &buffer,
NULL);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_getExceptionQ()
// Get the value of the exception queue property.
//-----------------------------------------------------------------------------
static PyObject *cxoMsgProps_getExceptionQ(cxoMsgProps *props, void *unused)
{
uint32_t valueLength;
const char *value;
if (dpiMsgProps_getExceptionQ(props->handle, &value, &valueLength) < 0)
return cxoError_raiseAndReturnNull();
if (!value)
Py_RETURN_NONE;
return PyUnicode_Decode(value, valueLength, props->encoding, NULL);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_getExpiration()
// Get the value of the expiration property.
//-----------------------------------------------------------------------------
static PyObject *cxoMsgProps_getExpiration(cxoMsgProps *props, void *unused)
{
return cxoMsgProps_getAttrInt32(props, dpiMsgProps_getExpiration);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_getMsgId()
// Get the value of the msgid property.
//-----------------------------------------------------------------------------
static PyObject *cxoMsgProps_getMsgId(cxoMsgProps *props, void *unused)
{
uint32_t valueLength;
const char *value;
if (dpiMsgProps_getMsgId(props->handle, &value, &valueLength) < 0)
return cxoError_raiseAndReturnNull();
if (!value)
Py_RETURN_NONE;
return PyBytes_FromStringAndSize(value, valueLength);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_getPriority()
// Get the value of the priority property.
//-----------------------------------------------------------------------------
static PyObject *cxoMsgProps_getPriority(cxoMsgProps *props, void *unused)
{
return cxoMsgProps_getAttrInt32(props, dpiMsgProps_getPriority);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_getState()
// Get the value of the state property.
//-----------------------------------------------------------------------------
static PyObject *cxoMsgProps_getState(cxoMsgProps *props, void *unused)
{
dpiMessageState value;
if (dpiMsgProps_getState(props->handle, &value) < 0)
return cxoError_raiseAndReturnNull();
return PyLong_FromLong(value);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_setCorrelation()
// Set the value of the correlation property.
//-----------------------------------------------------------------------------
static int cxoMsgProps_setCorrelation(cxoMsgProps *props, PyObject *valueObj,
void *unused)
{
cxoBuffer buffer;
int status;
if (cxoBuffer_fromObject(&buffer, valueObj, props->encoding))
return -1;
status = dpiMsgProps_setCorrelation(props->handle, buffer.ptr,
buffer.size);
cxoBuffer_clear(&buffer);
if (status < 0)
return cxoError_raiseAndReturnInt();
return 0;
}
//-----------------------------------------------------------------------------
// cxoMsgProps_setDelay()
// Set the value of the delay property.
//-----------------------------------------------------------------------------
static int cxoMsgProps_setDelay(cxoMsgProps *props, PyObject *valueObj,
void *unused)
{
return cxoMsgProps_setAttrInt32(props, valueObj, dpiMsgProps_setDelay);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_setExceptionQ()
// Set the value of the exception queue property.
//-----------------------------------------------------------------------------
static int cxoMsgProps_setExceptionQ(cxoMsgProps *props, PyObject *valueObj,
void *unused)
{
cxoBuffer buffer;
int status;
if (cxoBuffer_fromObject(&buffer, valueObj, props->encoding))
return -1;
status = dpiMsgProps_setExceptionQ(props->handle, buffer.ptr, buffer.size);
cxoBuffer_clear(&buffer);
if (status < 0)
return cxoError_raiseAndReturnInt();
return 0;
}
//-----------------------------------------------------------------------------
// cxoMsgProps_setExpiration()
// Set the value of the expiration property.
//-----------------------------------------------------------------------------
static int cxoMsgProps_setExpiration(cxoMsgProps *props, PyObject *valueObj,
void *unused)
{
return cxoMsgProps_setAttrInt32(props, valueObj, dpiMsgProps_setExpiration);
}
//-----------------------------------------------------------------------------
// cxoMsgProps_setPriority()
// Set the value of the expiration property.
//-----------------------------------------------------------------------------
static int cxoMsgProps_setPriority(cxoMsgProps *props, PyObject *valueObj,
void *unused)
{
return cxoMsgProps_setAttrInt32(props, valueObj, dpiMsgProps_setPriority);
}
//-----------------------------------------------------------------------------
// declaration of members
//-----------------------------------------------------------------------------
static PyMemberDef cxoMembers[] = {
{ "payload", T_OBJECT, offsetof(cxoMsgProps, payload), 0 },
{ NULL }
};
//-----------------------------------------------------------------------------
// declaration of calculated members
//-----------------------------------------------------------------------------
static PyGetSetDef cxoCalcMembers[] = {
{ "attempts", (getter) cxoMsgProps_getNumAttempts, 0, 0, 0 },
{ "correlation", (getter) cxoMsgProps_getCorrelation,
(setter) cxoMsgProps_setCorrelation, 0, 0 },
{ "delay", (getter) cxoMsgProps_getDelay, (setter) cxoMsgProps_setDelay, 0,
0 },
{ "deliverymode", (getter) cxoMsgProps_getDeliveryMode, 0, 0, 0 },
{ "enqtime", (getter) cxoMsgProps_getEnqTime, 0, 0, 0 },
{ "exceptionq", (getter) cxoMsgProps_getExceptionQ,
(setter) cxoMsgProps_setExceptionQ, 0, 0 },
{ "expiration", (getter) cxoMsgProps_getExpiration,
(setter) cxoMsgProps_setExpiration, 0, 0 },
{ "msgid", (getter) cxoMsgProps_getMsgId, 0, 0, 0 },
{ "priority", (getter) cxoMsgProps_getPriority,
(setter) cxoMsgProps_setPriority, 0, 0 },
{ "state", (getter) cxoMsgProps_getState, 0, 0, 0 },
{ NULL }
};
//-----------------------------------------------------------------------------
// Python type declarations
//-----------------------------------------------------------------------------
PyTypeObject cxoPyTypeMsgProps = {
PyVarObject_HEAD_INIT(NULL, 0)
.tp_name = "cx_Oracle.MessageProperties",
.tp_basicsize = sizeof(cxoMsgProps),
.tp_dealloc = (destructor) cxoMsgProps_free,
.tp_flags = Py_TPFLAGS_DEFAULT,
.tp_members = cxoMembers,
.tp_getset = cxoCalcMembers
};
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