bool ConditionVariable::Wait(Mutex &lock, time_ms timeout_ms) {
int result = 0;
if(timeout_ms < 0) {
result = pthread_cond_wait(&m_handle, &lock.m_handle);
BASE_ASSERT(result == 0);
} else {
int kMsecPerSec = 1000;
long kNsecPerMsec = 1000000;
long kNsecPerSec = 1000000000;
int kUsecPerMsec = 1000;
// long kUsecPerSec = 1000000;
timespec relative_time = {timeout_ms / kMsecPerSec,
(timeout_ms % kMsecPerSec) * kNsecPerMsec};
struct timeval now;
gettimeofday(&now, NULL);
struct timespec absolute_time = {now.tv_sec, now.tv_usec / kUsecPerMsec};
absolute_time.tv_sec +=
relative_time.tv_sec + relative_time.tv_nsec / kNsecPerSec;
absolute_time.tv_nsec =
(absolute_time.tv_nsec + relative_time.tv_nsec) % kMsecPerSec;
result = pthread_cond_timedwait(&m_handle, &lock.m_handle, &absolute_time);
BASE_ASSERT(result == 0 || result == ETIMEDOUT);
}
return result == 0;
}
LONG File::Seek(LONG lOff, LONG nFrom)
{
BASE_ASSERT_VALID(this);
BASE_ASSERT(m_pStream != NULL);
BASE_ASSERT(nFrom == begin || nFrom == end || nFrom == current);
long dwNew = fseek(m_pStream,lOff,(int)nFrom);
if (dwNew == (unsigned long)-1)
return(-1);
return dwNew;
}
File* File::Duplicate() const
{
BASE_ASSERT_VALID(this);
BASE_ASSERT(m_pStream != NULL);
File* pFile = new File(NULL);
FILE *hFile;
if((hFile=freopen(m_strFileName.c_str(),(const char*)m_strOpenFlags.c_str(),m_pStream))==NULL)
{
delete pFile;
return(NULL);
}
pFile->m_pStream = hFile;
BASE_ASSERT(pFile->m_pStream != NULL);
pFile->m_bCloseOnDelete = m_bCloseOnDelete;
return pFile;
}
TBOOL File::Write(const void* lpBuf, LONG nCount)
{
BASE_ASSERT_VALID(this);
BASE_ASSERT(m_pStream != NULL);
if (nCount == 0)
return(TRUE); // avoid Win32 "null-write" option
BASE_ASSERT(lpBuf != NULL);
long nWritten;
nWritten=(long)fwrite(lpBuf,sizeof(char),(size_t)nCount,m_pStream);
if (nWritten != nCount)
return(FALSE);
else
return(TRUE);
}
LONG File::Read(void* lpBuf, LONG nCount)
{
BASE_ASSERT_VALID(this);
BASE_ASSERT(m_pStream != NULL);
if (nCount == 0)
return 0;
BASE_ASSERT(lpBuf != NULL);
long dwRead;
if((dwRead=fread(lpBuf, sizeof(char),(int)nCount,m_pStream))==0)
{
if(ferror(m_pStream)!=0)
return(-1);
}
return dwRead;
}
long File::GetPosition() const
{
BASE_ASSERT_VALID(this);
BASE_ASSERT(m_pStream != NULL);
long dwPos = ftell(m_pStream);
if (dwPos == (unsigned long)-1)
return(-1);
return dwPos;
}
TBOOL AfxComparePath(LPCSTR lpszPath1, LPCSTR lpszPath2)
{
// use case insensitive compare as a starter
if (strcasecmp(lpszPath1, lpszPath2) != 0)
return FALSE;
int nLen = strlen(lpszPath1);
if (nLen != (int)strlen(lpszPath2))
return FALSE;
BASE_ASSERT(nLen < _BOSS_MAX_PATH);
return TRUE; // otherwise file name is truly the same
}
void SimplePlugin::Recv(ConnectionHandle conn, void *buffer,
unsigned int nbytes,
std::function<void(void *, unsigned int)> func) {
BASE_ASSERT(conn != 0);
u32 nrecv = 0;
int data_received = 0;
void *work_buffer = buffer;
unsigned int work_buffer_size = nbytes;
int total_available = GetTotalRecvAvailable(conn);
static const unsigned int kBufferTooSmall = -2;
// only process limited amount of data in this call
while(data_received < total_available) {
do {
if(nrecv == kBufferTooSmall) {
// previous recv call failed because buffer was too small. allocating
// bigger buffer.
work_buffer_size = GetRecvAvailable(conn);
work_buffer = malloc(work_buffer_size);
PLUGIN_INFO("recv failed - buffer too small. %d expecting %d.",
work_buffer_size, work_buffer_size);
}
// ((char*)work_buffer)[work_buffer_size-1] = 0;
nrecv = ::Recv(conn, work_buffer, work_buffer_size /*-1*/);
if(0 < nrecv) {
func(work_buffer, nrecv);
data_received += nrecv;
}
if(work_buffer != buffer) {
// free temp buffer and switch back to input buffer.
free(work_buffer);
work_buffer = buffer;
work_buffer_size = nbytes;
}
} while(nrecv == kBufferTooSmall); // if buffer was too small try receiving
// with bigger buffer.
}
}
rush_time_t RttInfo::PacketReceived(rush_sequence_t id, rush_time_t now) {
rush_time_t rtt = 0;
bool found_rtt = false;
{
for(u32 i = 0; i < kSampleCount; ++i) {
if(m_id[i] == id) {
rtt = now - m_send_time[i];
found_rtt = true;
break;
}
}
}
if(found_rtt) {
BASE_ASSERT(rtt >= 0.f, "rtt value for %d at %f is %f", id, now, rtt);
m_average += (rtt - m_average) * 0.05f; // kSmoothFactor;
}
return rtt;
}
TBOOL File::Close()
{
BASE_ASSERT_VALID(this);
BASE_ASSERT(m_pStream != NULL);
TBOOL bError = FALSE;
if (m_pStream != NULL)
bError = (fclose(m_pStream)!=0);
m_pStream = NULL;
m_bCloseOnDelete = FALSE;
m_strFileName.clear();
if (bError)
return(FALSE);
return(TRUE);
}
TBOOL File::LockRange(unsigned long dwPos, unsigned long dwCount)
{
BASE_ASSERT_VALID(this);
BASE_ASSERT(m_pStream != NULL);
LONG lCurrentPos=GetPosition();
if(Seek(dwPos,File::begin)==FALSE)
{
return(FALSE);
}
#ifdef WIN32
if(_locking(fileno(m_pStream),_LK_LOCK,dwCount))
#else
if(lockf(fileno(m_pStream),F_LOCK,dwCount))
#endif
return(FALSE);
Seek(lCurrentPos,File::begin);
return(TRUE);
}
UINT stGetFileName(LPCSTR lpszPathName, LPSTR lpszTitle, UINT nMax)
{
BASE_ASSERT(lpszPathName!=NULL);
// always capture the complete file name including extension (if present)
LPSTR lpszTemp = (LPSTR)lpszPathName;
for (LPCSTR lpsz = lpszPathName; *lpsz != '\0'; lpsz ++ ) //= _tcsinc(lpsz))
{
// remember last directory/drive separator
if (*lpsz == '\\' || *lpsz == '/' || *lpsz == ':')
lpszTemp = (LPSTR) (lpsz+1) ; //_tcsinc(lpsz);
}
// lpszTitle can be NULL which just returns the number of bytes
if (lpszTitle == NULL)
return strlen(lpszTemp)+1;
// otherwise copy it into the buffer provided
strncpy(lpszTitle, lpszTemp, nMax);
return 0;
}
unsigned long File::GetLength() const
{
BASE_ASSERT_VALID(this);
unsigned long dwLen, dwCur;
// Seek is a non const operation
File* pFile = (File*)this;
#ifndef WIN32
dwCur = pFile->Seek(0L, current);
dwLen = pFile->SeekToEnd();
BASE_VERIFY(dwCur == (unsigned long)pFile->Seek(dwCur, begin));
#else
dwCur = pFile->GetPosition() ;
BASE_ASSERT(pFile->SeekToEnd() == 0 ) ;
dwLen = pFile->GetPosition() ;
pFile->Seek(dwCur,begin) ;
#endif
return dwLen;
}
TBOOL File::Open(LPCSTR lpszFileName, LPCSTR lpszOpenFlags/*,TCFileException* pException*/)
{
BASE_ASSERT_VALID(this);
BASE_ASSERT(lpszFileName!=NULL);
m_bCloseOnDelete = FALSE;
m_pStream = NULL; //(UINT)NULL;
m_strFileName=lpszFileName;
m_strOpenFlags=lpszOpenFlags;
// attempt file creation
FILE *hFile = fopen(lpszFileName, m_strOpenFlags.c_str());
if (hFile == NULL)
{
return FALSE;
}
m_pStream = hFile;
m_bCloseOnDelete = TRUE;
return TRUE;
}
void ConditionVariable::Terminate() {
int ret = pthread_cond_destroy(&m_handle);
BASE_ASSERT(ret == 0);
}
void ConditionVariable::Initialize() {
int ret = pthread_cond_init(&m_handle, NULL);
BASE_ASSERT(ret == 0);
}
void ConditionVariable::NotifyAll() {
int res = pthread_cond_broadcast(&m_handle);
BASE_ASSERT(res == 0);
}
UINT stGetFileTitle(LPCSTR lpszPathName, LPSTR lpszTitle, UINT nMax)
{
BASE_ASSERT(lpszPathName!=NULL);
return(stGetFileName(lpszPathName,lpszTitle,nMax));
}
void ConditionVariable::Notify() {
int res = pthread_cond_signal(&m_handle);
BASE_ASSERT(res == 0);
}
// File does not support direct buffering (CMemFile does)
UINT File::GetBufferPtr(UINT nCommand, UINT /*nCount*/,
void** /*ppBufStart*/, void** /*ppBufMax*/)
{
BASE_ASSERT(nCommand == bufferCheck);
return 0; // no support
}
bool BinaryWriter::WriteStringId(StringId value) {
BASE_ASSERT(sizeof(StringId::Type) == sizeof(u32));
const StringId::Type val = value.GetValue();
return m_stream.Write(&val, 4);
}
File::File(LPCSTR lpszFileName, LPCSTR lpszOpenFlags)
{
BASE_ASSERT(lpszFileName!=NULL);
Open(lpszFileName, lpszOpenFlags);
}
