Exemple #1
0
	virtual int Init(size_t memlen, unsigned int bloc_size, int id = 0)
	{
		LockInit(id);
		size_t mem_size;
		bool bNewCreate;
		ssize_t iInitType;
		mem_size = memlen;
		char buffer[256];
		snprintf(buffer, sizeof(buffer), "touch .mem_cache_%d_key_value_mng", id);
		system(buffer);
		snprintf(buffer, sizeof(buffer), ".mem_cache_%d_key_value_mng", id);
		key_t shm_key = ftok(buffer, 'A');
		printf("Creating %s cache[%d] shm: key[0x%08x], size[%u B].\n",
			buffer, id, (unsigned int)shm_key,(unsigned int)mem_size);
		assert(shm_key != -1);
		m_pMemKeyCache = new MemKeyCache();
		m_iMemSize = mem_size;
		int err;
		m_p_shm_addr = CreateShm(shm_key, mem_size, err, bNewCreate, 0);
		if (!m_p_shm_addr)
		{
			printf("attach %s key[0x%08x] size[%d] error\n", buffer, (unsigned int)shm_key, (int)mem_size);
			return -1;
		}
		iInitType = bNewCreate?emInit:emRecover;
		ssize_t atBytes = m_pMemKeyCache->AttachMem(m_p_shm_addr, mem_size,
						0, iInitType, bloc_size);
		if (atBytes < 0)
		{
			return -2;
		}
		return 0;
	}
Exemple #2
0
int     QueueOperNoLock::CreateQueue(key_t tQueueKey,int iQueueSize)
{
    int     iQueueShmId;
    char    *pQueueShm = NULL;

    this->~QueueOperNoLock();

    if ( iQueueSize <= 0 )
        iQueueSize = DEFAULT_QUEUE_SIZE;

    m_tQueueKey = tQueueKey;
    if ( (iQueueShmId = CreateShm(m_tQueueKey,iQueueSize + sizeof(QueueCtl),SHM_CREATE)) < 0 ) {
        snprintf(m_sErrMsg,sizeof(m_sErrMsg),"Create queue fail:%s",strerror(errno));
        return	-1;
    }
    pQueueShm = (char *)shmat(iQueueShmId,NULL,0);
    if ( pQueueShm == NULL || (long)pQueueShm == -1 || SemLockInit(m_tQueueKey,SHM_CREATE) < 0 ) {
        snprintf(m_sErrMsg,sizeof(m_sErrMsg),"Create queue fail:%s",strerror(errno));
        shmctl(iQueueShmId,IPC_RMID,(struct shmid_ds *)NULL);
        return	-1;
    }
    m_pQueueCtl = (QueueCtl *)pQueueShm;
    m_pPkgRoot = (char *)(pQueueShm + sizeof(QueueCtl));

    m_pQueueCtl->cValidFlag = 1;
    m_pQueueCtl->iSpaceSize = iQueueSize;
    m_pQueueCtl->iQueueHeadPos = 0;
    m_pQueueCtl->iQueueTailPos = 0;

    return	0;
}
Exemple #3
0
int CMessageQueue::initShmMode(const char *szShmConfigFile,unsigned int iDataSize)
{
    int iErrno;
    bool bNewCreate;
    m_pData = CreateShm(_get_map_key(szShmConfigFile,'M'), iDataSize, iErrno, bNewCreate, 1);
    if (NULL == m_pData)
    {
        return -1;
    }

    init(m_pData, iDataSize);

    // check

    if (false == bNewCreate)
    {
        if (m_pQueueHeader->iDataSize != iDataSize)
        {
            return -2;
        }

        if (m_pQueueHeader->iDataSize <= get_usage_size())
        {
            return -3;
        }

        if (m_pQueueHeader->iBegin >= iDataSize || m_pQueueHeader->iEnd > iDataSize)
        {
            return -4;
        }
    }

    return 0;
}
Exemple #4
0
int main(void)
{
	int rc;
	struct GShmStruct sh;
	rc=CreateShm(1,&sh,1024*16,1);
	printf("CreateShm rc=%d\n",rc);
	rc=LockShm(&sh,GSH_LOCK_RW);
	printf("LockShm rc=%d\n",rc);
	return 0;
}
Exemple #5
0
int     QueueOperNoLock::DestroyQueue()
{
    int     iQueueShmId;

    if ( !m_pQueueCtl ) {
        snprintf(m_sErrMsg,sizeof(m_sErrMsg),"Destory queue fail:Not init locally");
        return	-1;     
    }
    m_pQueueCtl->cValidFlag = 0;
    this->~QueueOperNoLock();
    iQueueShmId = CreateShm(m_tQueueKey,0,SHM_ATTACH);
    shmctl(iQueueShmId,IPC_RMID,(struct shmid_ds *)NULL);
    SemLockRm();

    return	0;  
}
Exemple #6
0
/*void** malloc2d(int line, int col,int unitsize)
{
	int i;
	int col_size=col*unitsize;
	int index_size=line*sizeof(void*);
	void **a=(void**)malloc(index_size+line*col_size);
	char *data_start=(char*)a+index_size;
	for(i=0;i<line;++i)
	a[i]=data_start+i*col_size;
	return a;
}*/
int init_loop(struct loopbuf** loop,int *shmid,char *shmpath,int id){ 
//	int shmid;
		*shmid=CreateShm(shmpath,id,sizeof(UC_ShmMemory));
		*loop=(UC_ShmMemory*)AttachShm(*shmid);
	
		//my_lock_init(*loop);

	(*loop)->looplen=ROW;
	(*loop)->buflen=COL;
	(*loop)->tail=0;
	(*loop)->head=0;
	printf("aaa\n");
	return 1;
	//sem_init(&loop->sem,0,0);
//	memset(loop->recvlen,0,MAX_RECV_QUEUE*sizeof(int));
	
//	loop->p=(char**)malloc2d(row,col,typelen);	
	
}
Exemple #7
0
int     QueueOperNoLock::AttachQueue(key_t tQueueKey)
{
    int         iQueueShmId;
    char        *pQueueShm = NULL;

    this->~QueueOperNoLock();

    m_tQueueKey = tQueueKey;
    if ( (iQueueShmId = CreateShm(m_tQueueKey,0,SHM_ATTACH)) < 0 ) {
        snprintf(m_sErrMsg,sizeof(m_sErrMsg),"Attach queue fail:%s",strerror(errno));
        return	-1;
    }
    pQueueShm = (char *)shmat(iQueueShmId,NULL,0);
    if ( pQueueShm == NULL || (long)pQueueShm == -1 || SemLockInit(m_tQueueKey,SHM_ATTACH) < 0 ) {
        snprintf(m_sErrMsg,sizeof(m_sErrMsg),"Attach queue fail:%s",strerror(errno));
        return	-1;
    }
    m_pQueueCtl = (QueueCtl *)pQueueShm;
    m_pPkgRoot = (char *)(pQueueShm + sizeof(QueueCtl));

    return	0;
}
Exemple #8
0
bool svrInitCommandHandler(SerialCom* comm,PipeShell* shell,char* sIfName,bool dbg_gws) {
    struct itimerval interval;

    ShowStatusBar("%s", "Handler Init....\n");
    if (NULL == comm || NULL == shell || NULL == sIfName) return false;
    static_chp.m_comm = comm;
    static_chp.m_shell = shell;
    static_chp.m_ifName = sIfName;
    static_chp.m_nQid = OpenMessageQueue(1);
    static_chp.m_pKpi = CreateShm(&static_chp.m_nIdentifier);

    ShowStatusBar("%s", "MSQ & SHM OK\n");
    if (static_chp.m_nQid < 0 || NULL == static_chp.m_pKpi) {
        if (static_chp.m_nQid < 0) {
            ShowStatusBar("Error on create message queue,error=%d", errno);
            svrSetErrorNo(errno);
            return false;
        } else if (NULL == static_chp.m_pKpi) {
            ShowStatusBar("Error on open share memory,error=%d", errno);
            svrSetErrorNo(errno);
            return false;
        }
    }
    ShowStatusBar("%s", "Turnning on GWS Tx....\n");
    ScSend(static_chp.m_comm, "txon\n", 5);
    ShowStatusBar("%s", "Adjusting GWS channel....\n");
    iw_setchannel(-1,static_chp.m_pKpi,static_chp.m_nIdentifier);

    pthread_mutex_init(&mutex_lock_timer,NULL);
    interval.it_value.tv_sec = 0;
    interval.it_value.tv_usec = TIME_SLOT;
    interval.it_interval.tv_sec = 0;
    interval.it_interval.tv_usec = TIME_SLOT;
    static_debug_gws = dbg_gws;
    signal(SIGALRM, svrTimer);
    setitimer(ITIMER_REAL, &interval, NULL);
    ShowStatusBar("%s", "Initialize Handler OK!");
    return true;
}
Exemple #9
0
int main(int argc, char *argv[]) {
	
	CreateShm(TSSHMNAME, TSSHMSZ);
	return(0);
}