STATUS usrRamDiskInit ()
{
BLK_DEV *pBlkDev;
DOS_VOL_DESC *pVolDesc;
/* create a ram disk */
pBlkDev=ramDevCreate(0, 512, 400, 200000, 0);
if(pBlkDev==NULL){
printf("ran disk create error!!\n");
printErrno();
return ERROR;
}
/* Create Ram Disk Device */
/*if(dosFsDevCreate("/ram0", pBlkDev, 4, NULL)==NULL){
printf("create ramdisk error!!!\n");
printErrno();
return ERROR;
}*/
/* Format dosFs */
/*if(dosFsVolFormat(pBlkDev, DOS_OPT_BLANK | DOS_OPT_QUIET | DOS_OPT_FAT32, NULL)==NULL){
printf("Format dosFs error!!!\n");
printErrno();
return ERROR;
}*/
pVolDesc=dosFsMkfs("/ram0",pBlkDev);
return OK;
}
/**
* Handles errors generated by task related code.
*/
bool Task::HandleError(STATUS results)
{
if (results != ERROR) return true;
switch(errnoGet())
{
case S_objLib_OBJ_ID_ERROR:
wpi_setWPIErrorWithContext(TaskIDError, m_taskName);
break;
case S_objLib_OBJ_DELETED:
wpi_setWPIErrorWithContext(TaskDeletedError, m_taskName);
break;
case S_taskLib_ILLEGAL_OPTIONS:
wpi_setWPIErrorWithContext(TaskOptionsError, m_taskName);
break;
case S_memLib_NOT_ENOUGH_MEMORY:
wpi_setWPIErrorWithContext(TaskMemoryError, m_taskName);
break;
case S_taskLib_ILLEGAL_PRIORITY:
wpi_setWPIErrorWithContext(TaskPriorityError, m_taskName);
break;
default:
printErrno(errnoGet());
wpi_setWPIErrorWithContext(TaskError, m_taskName);
}
return false;
}
void
nfsd_debugno()
{
if (!nfsd_debug_on)
return;
printErrno(errnoGet());
}
bool normalizedSleepers()
{
char value[256] = {0,};
if (readStringFromFile(kSchedFeatures, value, sizeof(value)) == -1)
{
printErrno(kDebugfsWarningMsg, kSchedFeatures);
return false;
}
return strstr(value, "NO_NEW_FAIR_SLEEPERS") == NULL;
}
bool Editor::executeCommand()
{
bool ret(false);
if(_cmd == ":q")
{
std::lock_guard<std::recursive_mutex> lock(_mutex);
ret = true;
_mode = EXIT;
}
else if(_cmd == ":w")
{
std::lock_guard<std::recursive_mutex> lock(_mutex);
ret = true;
saveFile();
_mode = EXIT;
}
else if(_cmd == ":x")
{
std::lock_guard<std::recursive_mutex> lock(_mutex);
ret = true;
_mode = EXIT;
}
else if(_cmd.find(":exec") == 0)
{
refresh();
std::vector<std::string> arguments;
splitString(_cmd, ' ', arguments);
if(arguments[1] == "ssh")
{
refresh();
endwin();
std::string pass = _pBuff->lines[_y];
std::string host = _pBuff->lines[_y-1];
std::string::size_type loc = pass.find("pass: "******"ssh ");
if(loc == 0)
host.erase(0, 4);
int ret = execlp("sshpass", "sshpass", "-p", pass.c_str(), "ssh",
"-oStrictHostKeyChecking=no", host.c_str(), NULL);
if(ret < 0)
{
std::cerr << "exec failed! returning to editor..." << std::endl;
printErrno();
sleep(2);
}
}
}
// Reset command buffer
_cmd.clear();
return ret;
}
int Reader::Read()
{
fd_set readFdSet;
int retval = ERROR;
FD_ZERO(&readFdSet);
FD_SET(m_inputStreamFd, &readFdSet);
if (select(FD_SETSIZE, &readFdSet, NULL, NULL, NULL) != ERROR)
{
if (FD_ISSET(m_inputStreamFd, &readFdSet))
{
char readbuf;
retval = recv(m_inputStreamFd, &readbuf, 1, 0);
m_lastByte = readbuf;
if (retval != ERROR && retval > 0)
{
#ifdef DEBUG
if (m_lastByte != kNetworkTables_PING)
{
char pbuf[6];
snprintf(pbuf, 6, "I:%02X\n", m_lastByte);
printf(pbuf);
}
#endif
return m_lastByte;
}
}
}
else if (!m_connection->IsConnected())
{
// The error came from us closing the socket
return 0;
}
// TODO: Should we ignore ECONNRESET errors?
if (retval == ERROR)
{
char buf[32] = "";
int err = errnoGet();
snprintf(buf, 32, "errno=%d", err);
wpi_setStaticWPIErrorWithContext(m_connection, NetworkTablesReadError, buf);
printErrno(err);
}
m_connection->Close();
return 0;
}
int testBoxing(){
#ifdef test
box toFill = {5,1,0,0,42};
box done;
int ret = 0;
MSG_Q_ID mid_boxing_todo = msgQCreate(10,4,0);
MSG_Q_ID mid_boxing_done = msgQCreate(10,4,0);
MSG_Q_ID mid_received_part = msgQCreate(10,4,0);
printf("Starting conditionning");
taskSpawn("testBoxing",10,0,15000,(FUNCPTR)startBoxing,0,0,0,0,0,0,0,0,0,0);
printf("Asking for batch production : \n");
printf("\tBatchNumber=%d\n",toFill.batchNumber);
printf("\tBoxSize=%d\n",toFill.size);
printf("\tPartsType=%d\n",toFill.partsType);
ret=msgQSend(mid_boxing_todo,(char*)&toFill,sizeof(toFill),WAIT_FOREVER,MSG_PRI_NORMAL);
if(ret==ERROR){
printf("[FAIL],");
printErrno(errnoGet());
printf("\n");
return;
}
printf("[OK]\n");
printf("Starting part type 1 generation...");
if (partProdTid!=0){
printf("[FAIL], Production already started.\n");
return;
}
partProdTid=taskSpawn("partProd1",5,0,10000,(FUNCPTR)startPartProd,1,0,0,0,0,0,0,0,0,0);
printf("[OK]\n");
for(;;){
printf("Waiting for boxes done...\n");
if (msgQReceive(mid_boxing_done,(char*)&done,sizeof(done),5)==-1){
return 1;
}
printf("Received :\n");
printf("\t Box size : %d\n",done.size);
printf("\t Part type : %d\n",done.partsType);
}
#else
printf("You must compile the application with 'test' defined to use this functionality!\n");
#endif
return 0;
}
bool waitForChildrenAndSignal(int mProcessNb, int readfd, int writefd)
{
if (readfd > writefd)
{
fprintf(stderr, "Called with args in wrong order!!\n");
return false;
}
bool error;
int attempts;
size_t size;
for (int p = 0; p < mProcessNb; ++p)
{
bool eof = false;
pid_t pid;
char *end = reinterpret_cast<char *>(&pid);
error = false;
attempts = 0;
size = sizeof(pid);
while (size > 0 && !error && !eof && attempts < kMaxAttempts)
{
ssize_t s;
s = read(readfd, end, size);
if (s < 0)
{
error = EAGAIN != errno && EINTR != errno;
if (error)
{
printErrno("Failed to read", "child");
}
}
else if (0 == s)
{
eof = true;
}
else
{
end += s;
size -= s;
}
++attempts;
}
if (error || 0 != size)
{
return false;
}
}
for (int p = 0; p < mProcessNb; ++p)
{
char dummy;
error = false;
attempts = 0;
size = sizeof(dummy);
while (size > 0 && !error && attempts < kMaxAttempts)
{
ssize_t s = write(writefd, &dummy, size);
if (s < 0)
{
error = EAGAIN != errno && EINTR != errno;
if (error)
{
printErrno("Failed to write", "child");
}
}
else
{
size -= s;
}
++attempts;
}
if (error || 0 != size)
{
return false;
}
}
return true;
}
// IPC
bool writePidAndWaitForReply(int writefd, int readfd)
{
if (writefd > readfd)
{
fprintf(stderr, "Called with args in wrong order!!\n");
return false;
}
pid_t pid = getpid();
char *start = reinterpret_cast<char *>(&pid);
size_t size = sizeof(pid);
bool error = false;
int attempts = 0;
while (size > 0 && !error && attempts < kMaxAttempts)
{
ssize_t s = write(writefd, start, size);
if (s < 0)
{
error = EAGAIN != errno && EINTR != errno;
if (error)
{
printErrno("Failed to write", "parent");
}
}
else
{
start += s;
size -= s;
}
++attempts;
}
if (error || 0 != size)
{
return false;
}
bool eof = false;
char dummy;
size = sizeof(dummy);
error = false;
attempts = 0;
while (size > 0 && !error && !eof && attempts < kMaxAttempts)
{
ssize_t s;
s = read(readfd, &dummy, size);
if (s < 0)
{
error = EAGAIN != errno && EINTR != errno;
if (error)
{
printErrno("Failed to read", "parent");
}
}
else if (0 == s)
{
eof = true;
}
else
{
size -= s;
}
++attempts;
}
if (error || 0 != size)
{
return false;
}
return true;
}
