int dbFlushAll(void)
{
dictIterator *iter = NULL;
dictEntry *entry = NULL;
lockWrite(sets);
if (NULL == (iter = dictGetIterator(sets)))
{
unlockWrite(sets);
return -1;
}
while (NULL != (entry = dictNext(iter)))
{
set *s = (set *) dictGetEntryVal(entry);
lockWrite(s);
if (!s->registered)
setDestroy(s);
unregisterSyncObject(s);
}
dictReleaseIterator(iter);
dictEmpty(sets);
unlockWrite(sets);
return 0;
}
int dbSet(const sds setName, const set *s)
{
set *prevSet = NULL;
if (NULL == setName || 0 == strlen(setName) || NULL == s)
return -1;
lockWrite(sets);
if (NULL != (prevSet = (set *) dictFetchValue(sets, setName)))
{
lockWrite(prevSet);
if (!prevSet->registered)
setDestroy(prevSet);
unregisterSyncObject(prevSet);
}
if (0 != registerSyncObject(s) && 1 != syncObjectIsRegistered(s))
{
unlockWrite(sets);
return -1;
}
dictReplace(sets, setName, (void *) s);
unlockWrite(sets);
return 0;
}
/* ChapelIO.chpl:294 */
void _write_530783(Writer _this_530787, SingleLocaleArithmeticArray__complex128_int64_t_0_1_0 _e0_args, int32_t _ln, _string _fn) {
chpl_bool T1;
chpl_bool T3;
file T2 = NULL;
chpl_bool T4;
file T5 = NULL;
T1 = (((object)_this_530787)->_cid == _e_file);
if (T1) {
T2 = ((file)(_this_530787));
T3 = lockWrite(T2, _ln, _fn);
} else {
T3 = _lockWrite_18710(_this_530787);
}
_writeThis_531087(_e0_args, _this_530787, _ln, _fn);
if (T3) {
T4 = (((object)_this_530787)->_cid == _e_file);
if (T4) {
T5 = ((file)(_this_530787));
unlockWrite(T5);
} else {
_unlockWrite_18718(_this_530787);
}
}
return;
}
/* ChapelIO.chpl:294 */
void _write_421726(Writer _this_421730, _string _e0_args, int64_t _e1_args, int32_t _ln, _string _fn) {
chpl_bool T1;
chpl_bool T3;
file T2 = NULL;
_string T4;
chpl_bool T5;
file T6 = NULL;
T1 = (((object)_this_421730)->_cid == _e_file);
if (T1) {
T2 = ((file)(_this_421730));
T3 = lockWrite(T2, _ln, _fn);
} else {
T3 = _lockWrite_18710(_this_421730);
}
writeThis(_e0_args, _this_421730, _ln, _fn);
T4 = int64_t_to_string(_e1_args);
writeThis(T4, _this_421730, _ln, _fn);
if (T3) {
T5 = (((object)_this_421730)->_cid == _e_file);
if (T5) {
T6 = ((file)(_this_421730));
unlockWrite(T6);
} else {
_unlockWrite_18718(_this_421730);
}
}
return;
}
/* ChapelIO.chpl:294 */
void _write_530015(Writer _this_530019, _string _e0_args, _array_int64_t__complex128_1_SingleLocaleArithmeticArray__complex128_int64_t_0_1_0* const _e1_args, _string _e2_args, _string _e3_args, int32_t _ln, _string _fn) {
_array_int64_t__complex128_1_SingleLocaleArithmeticArray__complex128_int64_t_0_1_0 T1;
chpl_bool T2;
chpl_bool T4;
file T3 = NULL;
_array_int64_t__complex128_1_SingleLocaleArithmeticArray__complex128_int64_t_0_1_0 T5;
chpl_bool T6;
file T7 = NULL;
T1 = (*_e1_args);
T2 = (((object)_this_530019)->_cid == _e_file);
if (T2) {
T3 = ((file)(_this_530019));
T4 = lockWrite(T3, _ln, _fn);
} else {
T4 = _lockWrite_18710(_this_530019);
}
writeThis(_e0_args, _this_530019, _ln, _fn);
T5 = T1;
_writeThis_530684(&(T5), _this_530019, _ln, _fn);
writeThis(_e2_args, _this_530019, _ln, _fn);
writeThis(_e3_args, _this_530019, _ln, _fn);
if (T4) {
T6 = (((object)_this_530019)->_cid == _e_file);
if (T6) {
T7 = ((file)(_this_530019));
unlockWrite(T7);
} else {
_unlockWrite_18718(_this_530019);
}
}
return;
}
bool ConnectionCache::prepareToWrite(const char *str, size_t len) {
lockWrite();
int size = (int)len + 1;
if(size > (int)wsize_ - 1 - wpos_){
size_t nwsize = max((int)wsize_ * 2,(int)wpos_ + size + 1024);
printf("resize wbuf\n");
char * nwbuf = new(nothrow)char[nwsize];
if(nwbuf == NULL){
printf("resize wbuf failed\n");
unlockWrite();
return false;
}else{
if(wpos_>0){
memcpy(nwbuf,wbuf_,wpos_);
}
delete wbuf_;
wsize_ = nwsize;
wbuf_ = nwbuf;
}
}
memcpy(wbuf_ + wpos_, str, len);
wpos_ += len;
wbuf_[wpos_] = '\0';
wpos_ ++;
printf("ready to send:%s\n",wbuf_);
unlockWrite();
return true;
}
const set *dbCreate(const sds setName)
{
set *newSet = NULL;
if (NULL == setName || 0 == strlen(setName))
{
return NULL;
}
if (NULL == (newSet = setCreate()))
return NULL;
lockWrite(sets);
if (DICT_OK != dictAdd(sets, setName, newSet))
{
unlockWrite(sets);
setDestroy(newSet);
return NULL;
}
if (0 != registerSyncObject(newSet) && 1 != syncObjectIsRegistered(newSet))
{
unlockWrite(sets);
dictDelete(sets, setName);
setDestroy(newSet);
return NULL;
}
unlockWrite(sets);
return newSet;
}
bool ConnectionCache::write(bool block)
{
lockWrite();
if(wpos_ == 0){
unlockWrite();
return true;
}
size_t size = send(fd_,wbuf_,wpos_,block?0:MSG_DONTWAIT);
printf("send:%s\n",wbuf_);
if((int)size < 0){
unlockWrite();
printf("write failed\n");
return false;
}else{
memmove(wbuf_,wbuf_ + size,wpos_ - size);
wpos_ -= (int)size;
bool finished = (wpos_ == 0);
unlockWrite();
if(!finished){
printf("send not finished\n");
}
return finished;
}
}
/* ChapelIO.chpl:294 */
void _write_650174(Writer _this_650178, _string _e0_args, _string _e1_args, _string _e2_args, int32_t _ln, _string _fn) {
chpl_bool T1;
chpl_bool T3;
file T2 = NULL;
chpl_bool T4;
file T5 = NULL;
T1 = (((object)_this_650178)->_cid == _e_file);
if (T1) {
T2 = ((file)(_this_650178));
T3 = lockWrite(T2, _ln, _fn);
} else {
T3 = _lockWrite_18710(_this_650178);
}
writeThis(_e0_args, _this_650178, _ln, _fn);
writeThis(_e1_args, _this_650178, _ln, _fn);
writeThis(_e2_args, _this_650178, _ln, _fn);
if (T3) {
T4 = (((object)_this_650178)->_cid == _e_file);
if (T4) {
T5 = ((file)(_this_650178));
unlockWrite(T5);
} else {
_unlockWrite_18718(_this_650178);
}
}
return;
}
bool ConnectionCache::prepareToWrite(string &s)
{
lockWrite();
int size = (int)s.size() + 1;
if(size > (int)wsize_ - 1 - wpos_){
size_t nwsize = max((int)wsize_ * 2,(int)wpos_ + size + 1024);
printf("resize wbuf\n");
char * nwbuf = new(nothrow)char[nwsize];
if(nwbuf == NULL){
printf("resize wbuf failed\n");
unlockWrite();
return false;
}else{
if(wpos_>0){
memcpy(nwbuf,wbuf_,wpos_);
}
delete wbuf_;
wsize_ = nwsize;
wbuf_ = nwbuf;
}
}
for(size_t i=0;i<s.size();i++){
wbuf_[wpos_] = s[i];
wpos_++;
}
wbuf_[wpos_] = '\0';
wpos_ ++;
printf("ready to send:%s\n",wbuf_);
unlockWrite();
return true;
}
void BufferFrame::lockFrame(bool isExclusive) {
if(isExclusive) {
lockWrite();
}
else {
lockRead();
}
}
void TransactionalDocument::grantWrite ( XProcessor& xproc )
{
if ( isWritable() )
{
if ( !isLockedWrite() )
lockWrite();
return;
}
reopen ( xproc );
}
void remove(int pos)
{
writeLock lockWrite(m_rwMutex);
if(size()==0 || pos>=size())
return;
std::list<int>::iterator itr = m_list.begin();
std::advance(itr , pos);
m_list.erase(itr);
// std::cout<<"remove! size is "<<size()<<" Thread id is "<<boost::this_thread::get_id()<<std::endl;
}
valType dbSetTrunc(void)
{
valType freed = 0, i;
dictIterator *iter = NULL;
dictEntry *entry = NULL;
lockWrite(objectIndex);
lockRead(sets);
if (NULL == (iter = dictGetIterator(sets)))
{
unlockRead(sets);
unlockWrite(objectIndex);
return 0;
}
while (NULL != (entry = dictNext(iter)))
{
lockWrite(entry);
freed += setTrunc((set *) dictGetEntryVal(entry));
unlockWrite(entry);
}
for (i = 0; i < objectIndexLength; i++)
{
if (NULL != objectIndex[i] &&
objectSet == objectIndex[i]->objectType)
{
freed += setTrunc(objectIndex[i]->objectPtr.setPtr);
}
}
dictReleaseIterator(iter);
unlockRead(sets);
unlockWrite(objectIndex);
return freed;
}
int dbRemove(const sds setName)
{
int result = DICT_OK;
set *s = NULL;
lockWrite(sets);
s = (set *) dictFetchValue(sets, setName);
if (NULL != s)
{
unregisterSyncObject(s);
if (!s->registered)
setDestroy(s);
result = dictDelete(sets, setName);
}
unlockWrite(sets);
return result;
}
int dbUnregisterObject(valType id)
{
lockWrite(objectIndex);
if (id >= objectIndexLength || NULL == objectIndex[id])
{
unlockWrite(objectIndex);
return -1;
}
dbObjectRelease((dbObject *) objectIndex[id]);
free((void *) objectIndex[id]);
objectIndex[id] = NULL;
objectIndexCount++;
unlockWrite(objectIndex);
return 1;
}
void dbPrintIndex(FILE *f)
{
valType i;
if (NULL == f)
return;
fprintf(f, "Object index dump. Total: %u\r\n", objectIndexCount);
lockWrite(objectIndex);
for (i = 0; i < objectIndexLength; i++)
{
if (NULL != objectIndex[i])
{
const dbObject *obj = objectIndex[i];
fprintf(f, "%10u: ", i);
switch (obj->objectType)
{
case objectSet:
fprintf(f, "set = ");
break;
case objectTuple:
fprintf(f, "tuple = ");
break;
case objectVal:
fprintf(f, "val = ");
break;
}
dbObjectPrint(obj, f, 0);
fprintf(f, "\r\n");
}
}
unlockWrite(objectIndex);
}
int dbRename(const sds oldSetName, const sds newSetName)
{
const set *oldSet = NULL;
if (NULL == oldSetName || NULL == newSetName ||
0 == strlen(oldSetName) || 0 == strlen(newSetName))
{
return -1;
}
if (NULL == (oldSet = dbGet(oldSetName)) ||
NULL != dbGet(newSetName))
{
return -1;
}
lockWrite(sets);
dictDelete(sets, oldSetName);
dictAdd(sets, newSetName, (void *) oldSet);
unlockWrite(sets);
return 0;
}
/////////////////////////////////////////////////////////////////////////
/// Run
/// @description
/// This is the main communication engine.
///
/// @I/O
/// At every timestep, a message is sent to FPGA via TCP socket connection,
/// then a message is retrieved from FPGA via the same connection.
/// On the FPGA side, it's the reverse order -- receive and then send.
/// Both DGI and FPGA sides' receive function will block until a message
/// arrives, creating a synchronous, lock-step communication between DGI
/// and FPGA. In this sense, how frequently send and receive get executed
/// by CRtdsAdapter is dependent on how fast FPGA runs.
///
/// @Error_Handling
/// Throws an exception if reading from or writing to the socket fails
///
/// @pre
/// Connection with FPGA is established.
///
/// @post
/// All values in the cmdTable is written to a buffer and sent to FPGA.
/// All values in the stateTable is rewritten with value received
/// from FPGA.
///
/// @limitations
/// Synchronous commnunication
//////////////////////////////////////////////////////////////////////////
void CRtdsAdapter::Run()
{
Logger.Trace << __PRETTY_FUNCTION__ << std::endl;
//TIMESTEP is used by deadline_timer.async_wait at the end of Run().
//We keep TIMESTEP very small as we actually do not care if we wait at all.
//We simply need to use deadline_timer.async_wait to pass control back
//to io_service, so it can schedule Run() with other callback functions
//under its watch.
const int TIMESTEP = 1; //in microseconds. NEEDS MORE TESTING TO SET CORRECTLY
//**********************************
//* Always send data to FPGA first *
//**********************************
{
boost::shared_lock<boost::shared_mutex> lockRead(m_cmdTable.m_mutex);
Logger.Debug << "Obtained mutex as reader" << std::endl;
//read from cmdTable
memcpy(m_txBuffer, m_cmdTable.m_data, m_txBufSize);
Logger.Debug << "Released reader mutex" << std::endl;
}// the scope is needed for mutex to auto release
// FPGA will send values in big-endian byte order
// If host machine is in little-endian byte order, convert to big-endian
#if __BYTE_ORDER == __LITTLE_ENDIAN
for (int i = 0; i < m_txCount; i++)
{
//should be 4 bytes in float.
endian_swap((char *) &m_txBuffer[4 * i], sizeof (float));
}
#endif
// send to FPGA
try
{
boost::asio::write(m_socket,
boost::asio::buffer(m_txBuffer, m_txBufSize));
}
catch (std::exception & e)
{
std::stringstream ss;
ss << "Send to FPGA failed for the following reason: " << e.what();
throw std::runtime_error(ss.str());
}
//*******************************
//* Receive data from FPGA next *
//*******************************
try
{
boost::asio::read(m_socket,
boost::asio::buffer(m_rxBuffer, m_rxBufSize));
}
catch (std::exception & e)
{
std::stringstream ss;
ss << "Receive from FPGA failed for the following reason" << e.what();
throw std::runtime_error(ss.str());
}
// FPGA will send values in big-endian byte order
// If host machine is in little-endian byte order, convert to little-endian
#if __BYTE_ORDER == __LITTLE_ENDIAN
for (int j = 0; j < m_rxCount; j++)
{
endian_swap((char *) &m_rxBuffer[4 * j], sizeof (float));
}
#endif
{
boost::unique_lock<boost::shared_mutex> lockWrite(m_stateTable.m_mutex);
Logger.Debug << "Client_RTDS - obtained mutex as writer" << std::endl;
//write to stateTable
memcpy(m_stateTable.m_data, m_rxBuffer, m_rxBufSize);
Logger.Debug << "Client_RTDS - released writer mutex" << std::endl;
} //scope is needed for mutex to auto release
//Start the timer; on timeout, this function is called again
m_GlobalTimer.expires_from_now(boost::posix_time::microseconds(TIMESTEP));
m_GlobalTimer.async_wait(boost::bind(&CRtdsAdapter::Run, this));
}
/* ChapelIO.chpl:294 */
void _write_532216(Writer _this_532220, _complex128* const _e0_args, int32_t _ln, _string _fn) {
chpl_bool T1;
chpl_bool T3;
file T2 = NULL;
_string T9;
_real64 T4;
chpl_bool T5;
chpl_bool T6;
_real64 T7;
chpl_bool T8;
_real64 T10;
_string T11;
_string T12;
_string T15;
_real64 T13;
_string T14;
_real64 T16;
_real64 T17;
chpl_bool T18;
_real64 T19;
_real64 T20;
_string T21;
_string T22;
_string T23;
int32_t T24;
chpl_bool T25;
_string T26;
_string T27;
_string T28;
_string T29;
_string T30;
chpl_bool T31;
file T32 = NULL;
T1 = (((object)_this_532220)->_cid == _e_file);
if (T1) {
T2 = ((file)(_this_532220));
T3 = lockWrite(T2, _ln, _fn);
} else {
T3 = _lockWrite_18710(_this_532220);
}
T4 = ((*_e0_args).re);
T5 = isnan(T4);
if (T5) {
T6 = true;
} else {
T7 = ((*_e0_args).im);
T8 = isnan(T7);
T6 = T8;
}
if (T6) {
T9 = "nan";
goto _end__cast;
}
T10 = ((*_e0_args).re);
T11 = _real64_to_string(T10);
T12 = " + ";
T13 = ((*_e0_args).im);
T14 = _real64_to_string(T13);
T15 = T14;
T16 = ((*_e0_args).im);
T17 = ((_real64)(0));
T18 = (T16<T17);
if (T18) {
T19 = ((*_e0_args).im);
T20 = (-T19);
T21 = _real64_to_string(T20);
T22 = string_copy(T21, _ln, _fn);
T15 = T22;
T23 = string_copy(" - ", _ln, _fn);
T12 = T23;
} else {
T24 = _string_compare(T14, "-0.0");
T25 = (T24==0);
if (T25) {
T26 = string_copy("0.0", _ln, _fn);
T15 = T26;
T27 = string_copy(" - ", _ln, _fn);
T12 = T27;
}
}
T28 = string_concat(T11, T12, _ln, _fn);
T29 = string_concat(T28, T15, _ln, _fn);
T30 = string_concat(T29, "i", _ln, _fn);
T9 = T30;
_end__cast:
;
writeThis(T9, _this_532220, _ln, _fn);
if (T3) {
T31 = (((object)_this_532220)->_cid == _e_file);
if (T31) {
T32 = ((file)(_this_532220));
unlockWrite(T32);
} else {
_unlockWrite_18718(_this_532220);
}
}
return;
}
int dbRegisterObject(dbObject **object, valType *id)
{
valType prevObjectIndexFreeId = 0;
if (NULL == id || NULL == object || NULL == *object)
{
return -1;
}
lockWrite(objectIndex);
prevObjectIndexFreeId = objectIndexFreeId;
if (1 == dbFindObject(*object, id, 0))
{
dbObjectRelease(*object);
free(*object);
*object = (dbObject *) objectIndex[*id];
unlockWrite(objectIndex);
return 0;
}
while (objectIndexFreeId < objectIndexLength && NULL != objectIndex[objectIndexFreeId])
objectIndexFreeId++;
if (objectIndexFreeId < objectIndexLength)
{
objectIndex[objectIndexFreeId] = *object;
*id = objectIndexFreeId;
objectIndexFreeId++;
objectIndexCount++;
unlockWrite(objectIndex);
if (objectSet == (*object)->objectType)
{
(*object)->objectPtr.setPtr->registered = 1;
}
// Debug
printf("Registered object %u = ", *id);
dbObjectPrint(*object, stdout, 0);
printf("\r\n");
(*object)->id = *id;
return 0;
}
objectIndexLength += 256;
if (NULL == (objectIndex = (const dbObject **) realloc((void *) objectIndex, objectIndexLength * sizeof(dbObject *))))
{
objectIndexLength = prevObjectIndexFreeId;
unlockWrite(objectIndex);
return -1;
}
memset((void *) (objectIndex + prevObjectIndexFreeId), 0, 256);
objectIndex[objectIndexFreeId] = *object;
*id = objectIndexFreeId;
objectIndexFreeId++;
objectIndexCount++;
unlockWrite(objectIndex);
if (objectSet == (*object)->objectType)
{
(*object)->objectPtr.setPtr->registered = 1;
}
(*object)->id = *id;
return 0;
}
void write(int value)
{
writeLock lockWrite(m_rwMutex);
m_list.push_back(value);
// std::cout<<"write! now size is "<<size()<<" Thread id is "<<boost::this_thread::get_id()<<std::endl;
}
valType dbGC(void)
{
valType collected = 0, i;
dictIterator *iter = NULL;
dictEntry *entry = NULL;
set *acc = NULL;
lockWrite(objectIndex);
lockRead(sets);
// Step 1. Union all sets in db.
if (NULL == (iter = dictGetIterator(sets)))
{
unlockRead(sets);
unlockWrite(objectIndex);
return 0;
}
if (NULL == (acc = setCreate()))
{
unlockRead(sets);
unlockWrite(objectIndex);
return 0;
}
while (NULL != (entry = dictNext(iter)))
{
valType currentSetId = 0;
set *tmp = NULL, *currentSet = (set *) dictGetEntryVal(entry);
set *flattened = setFlatten(currentSet, 0);
if (NULL == flattened)
{
continue;
}
if (1 == dbFindSet(currentSet, ¤tSetId, 0))
{
if (-1 == setAdd(acc, currentSetId))
{
setDestroy(acc);
dictReleaseIterator(iter);
unlockRead(sets);
unlockWrite(objectIndex);
return 0;
}
}
if (NULL == (tmp = setUnion(acc, flattened)))
{
setDestroy(flattened);
setDestroy(acc);
dictReleaseIterator(iter);
unlockRead(sets);
unlockWrite(objectIndex);
return 0;
}
setDestroy(flattened);
setDestroy(acc);
acc = tmp;
}
dictReleaseIterator(iter);
// Step 2. Find objects not present in grand total union.
for (i = 0; i < objectIndexLength; i++)
{
if (NULL != objectIndex[i] && !setIsMember(acc, i))
{
dbObjectRelease((dbObject *) objectIndex[i]);
free((dbObject *) objectIndex[i]);
objectIndex[i] = NULL;
if (i < objectIndexFreeId)
{
objectIndexFreeId = i;
}
collected++;
}
}
setDestroy(acc);
unlockRead(sets);
unlockWrite(objectIndex);
return collected;
}
/*virtual*/ void WriteLockHandle::lockRead(LOCKVAL_SRC_POS_DECL)
{
lockWrite(LOCKVAL_SRC_POS_ARGS);
}