mqd_t CreateMessageQueue(std::string queueName)
{
struct mq_attr attr;
/* initialize the queue attributes */
attr.mq_flags = 0;
attr.mq_maxmsg = 10; //******perhaps change??******
attr.mq_msgsize = MAX_MESSAGE_SIZE;
attr.mq_curmsgs = 0;
mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
mqd_t mq = mq_open(queueName.c_str(), O_CREAT | O_RDWR, mode, &attr);
if(errno == EEXIST)
{
DeleteMessageQueue(queueName);
printf("Deleted old message queue");
mq = mq_open(queueName.c_str(), O_CREAT | O_RDWR, (S_IRWXU | S_IRWXG | S_IRWXO), &attr);
}
else if(mq == -1)
{
perror("Creating message queue failed");
return (mqd_t)NULL;
}
printf("Message queue created\n");
return mq;
}
HRESULT MqiRollbackCreateMessageQueues(
LPWSTR* ppwzData
)
{
HRESULT hr = S_OK;
int iCnt = 0;
MQI_MESSAGE_QUEUE_ATTRIBUTES attrs;
::ZeroMemory(&attrs, sizeof(attrs));
// ger count
hr = WcaReadIntegerFromCaData(ppwzData, &iCnt);
ExitOnFailure(hr, "Failed to read count");
for (int i = 0; i < iCnt; i++)
{
// read attributes from CustomActionData
hr = ReadMessageQueueAttributes(ppwzData, &attrs);
ExitOnFailure(hr, "Failed to read attributes");
// create message queue
hr = DeleteMessageQueue(&attrs);
if (FAILED(hr))
WcaLog(LOGMSG_STANDARD, "Failed to delete message queue, hr: 0x%x, key: %S", hr, attrs.pwzKey);
}
hr = S_OK;
LExit:
// clean up
FreeMessageQueueAttributes(&attrs);
return hr;
}
HRESULT MqiDeleteMessageQueues(
LPWSTR* ppwzData
)
{
HRESULT hr = S_OK;
int iCnt = 0;
MQI_MESSAGE_QUEUE_ATTRIBUTES attrs;
::ZeroMemory(&attrs, sizeof(attrs));
// ger count
hr = WcaReadIntegerFromCaData(ppwzData, &iCnt);
ExitOnFailure(hr, "Failed to read count");
for (int i = 0; i < iCnt; i++)
{
// read attributes from CustomActionData
hr = ReadMessageQueueAttributes(ppwzData, &attrs);
ExitOnFailure(hr, "Failed to read attributes");
// progress message
hr = PcaActionDataMessage(1, attrs.pwzPathName);
ExitOnFailure1(hr, "Failed to send progress messages, key: %S", attrs.pwzKey);
// create message queue
hr = DeleteMessageQueue(&attrs);
ExitOnFailure1(hr, "Failed to delete message queue, key: %S", attrs.pwzKey);
// progress tics
hr = WcaProgressMessage(COST_MESSAGE_QUEUE_DELETE, FALSE);
ExitOnFailure(hr, "Failed to update progress");
}
hr = S_OK;
LExit:
// clean up
FreeMessageQueueAttributes(&attrs);
return hr;
}