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;
}
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;
}
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;
}
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;
}
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;
}
/*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);
}
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;
}
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;
}
int main(int argc, char *argv[]) {
CreateShm(TSSHMNAME, TSSHMSZ);
return(0);
}