int CConnect::Write(const char* data, int len)
{
ssize_t size = write(pSocket_->Get_Fd(), data, len);
if(size < 0)
{
if(errno == EAGAIN || errno == EWOULDBLOCK || errno == EINTR)
{
size = 0;
goto done;
}
else
goto err;
}
else if(size < len) // add to out buff
{
goto done;
}
return size;
err:
Handle_Error();
return size;
done:
buffmanage_->IncreWriteBuff(data+size,static_cast<uint16_t>(len));
SetWriting();
return size;
}
int CConnect::Writev()
{
std::vector<DataBuff*>& vWrite = buffmanage_->GetWriteList();
const int iov_count = vWrite.size();
if(iov_count == 0)
{
if(IsWriting())
DisWriting();
return 0;
}
struct iovec iow[iov_count];
for (int i = 0; i < iov_count; ++i)
{
iow[i].iov_base = vWrite[i]->data + vWrite[i]->cur;
iow[i].iov_len = vWrite[i]->len - vWrite[i]->cur;
}
ssize_t cur_iov = 0;
ssize_t nwritenum = 0;
int ntotalwrite = buffmanage_->GetWritable();
while(ntotalwrite > nwritenum)
{
ssize_t n = writev(pSocket_->Get_Fd(), &iow[cur_iov], iov_count - cur_iov);
if(n > 0)
{
nwritenum += n;
while(static_cast<unsigned int>(n) >= iow[cur_iov].iov_len)
n -= iow[cur_iov++].iov_len;
iow[cur_iov].iov_base = (char*)iow[cur_iov].iov_base+n;
iow[cur_iov].iov_len -= n;
}
else if(n < 0)
{
if(errno == EAGAIN || errno == EWOULDBLOCK)
break;
else if(errno == EINTR)
continue;
else
{
Handle_Error();
break;
}
}
else
{
break;
}
}
if(ntotalwrite >= nwritenum) // no data in send buff, cancal write event
DisWriting();
buffmanage_->ReduceWriteNum(nwritenum);
return nwritenum;
}
void CConnect::SendMsg(CMessage* Msg)
{
if(state_ != CON_CONNECTED)
{
CMessageAlloctor::FreeMSG(&Msg);
return;
}
// Msg->PrintData();
if(MsgList_.empty())
{
int msglen = Msg->len_ - Msg->cur_;
ssize_t size = write(pSocket_->Get_Fd(), Msg->data_+Msg->cur_, msglen);
if(size >= msglen)
{
CMessageAlloctor::FreeMSG(&Msg);
State_send_info(size);
return;
}
else if(size >= 0)
{
Msg->cur_ += size;
MsgList_.push_back(Msg);
State_send_info(size);
if(!IsWriting())
SetWriting();
}
else
{
if(errno != EAGAIN && errno != EWOULDBLOCK && errno != EINTR)
Handle_Error();
}
}
else
{
MsgList_.push_back(Msg);
if(!IsWriting())
SetWriting();
}
}
void CConnect::ProcessActiveEvent()
{
Print_recieve_info(EventLoop_->GetExpireTime());
if((active_event_ & EPOLLHUP) && !(active_event_&EPOLLIN))
{
Handle_Close();
}
if(active_event_ & (EPOLLERR))// | EPOLLVAL))
{
printf("Handle_Error\n");
Handle_Error();
}
if(active_event_ & (EPOLLIN | EPOLLRDHUP | EPOLLPRI))
{
Handle_Read();
}
if(active_event_ & EPOLLOUT)
{
Handle_Write();
}
}
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
!
!.func close_frame_fast()
!
!.purp closes a currently active 2D frame
!.desc
! close_frame(frame)
!
! IMAGE2D *frame; image structure
!.ed
-------------------------------------------------------------------- */
int
close_frame_fast(IMAGE2D *frame) /* close active frame */
{
char errtext[132], filename[lg_name+1];
int stat, int_datatype;
float cuts[4];
#ifdef IRAF
int one=1;
#endif
#ifdef FITS
fitsfile *fptr;
int npix;
#endif
strcpy(filename,frame->name);
if (frame->iomode == (int)I_MODE) {
switch (frame->data_format) {
#ifdef MIDAS
case MIDAS_FORMAT :
stat = SCFCLO(frame->imno);
break;
#endif
#ifdef IRAF
case IRAF_FORMAT :
case STSDAS_FORMAT :
uimclo(&(frame->imno),&stat);
break;
#endif
#ifdef FITS
case FITS_A_FORMAT :
case FITS_B_FORMAT :
stat =0;
fptr = (fitsfile *)frame->external_info;
fits_close_file(fptr,&stat);
free_frame_mem(frame);
frame->external_info = NULL;
break;
#endif
}
if (stat) {
sprintf(errtext,"close_frame: frame %s",filename);
stat = get_tiger_errcode(frame->data_format,stat);
Handle_Error(errtext,stat);
}
return(stat);
}
/*
if (frame->data.d_data != NULL) {
image_minmax(frame);
cuts[0]=(float)frame->min; cuts[2]=(float)frame->min;
cuts[1]=(float)frame->max; cuts[3]=(float)frame->max;
stat = WR_desc(frame,"LHCUTS",FLOAT,4,cuts);
}
*/
WR_history(frame, (Anyfile *)0);
switch (frame->data_format) {
#ifdef MIDAS
case MIDAS_FORMAT :
stat = SCFCLO(frame->imno);
break;
#endif
#ifdef IRAF
case IRAF_FORMAT :
case STSDAS_FORMAT :
switch(frame->data_type) {
case SHORT :
uips2s(&(frame->imno),&one,&(frame->nx),&one,&(frame->ny),
frame->data.s_data,&stat);
break;
case INT :
case LONG :
uips2l(&(frame->imno),&one,&(frame->nx),&one,&(frame->ny),
frame->data.l_data,&stat);
break;
case FLOAT :
uips2r(&(frame->imno),&one,&(frame->nx),&one,&(frame->ny),
frame->data.f_data,&stat);
break;
case DOUBLE :
uips2d(&(frame->imno),&one,&(frame->nx),&one,&(frame->ny),
frame->data.d_data,&stat);
break;
}
if (stat == 0)
uimclo(&(frame->imno),&stat);
free_frame_mem(frame);
break;
#endif
#ifdef FITS
case FITS_A_FORMAT :
case FITS_B_FORMAT :
stat = 0;
fptr = (fitsfile *)frame->external_info;
if (frame->iomode != (int)I_MODE) {
if (frame->data.d_data != NULL) {
int_datatype = get_datatype_code(OutputIO.basic_io,frame->data_type);
npix = frame->nx*frame->ny;
if (fits_write_img(fptr,int_datatype,1L,npix,
frame->data.s_data,&stat)) {
stat = ERR_WRIT;
}
}
}
if (! stat) {
fits_close_file(fptr,&stat);
stat = wcs_free(frame);
}
free_frame_mem(frame);
frame->external_info = NULL;
break;
#endif
}
if (stat) {
sprintf(errtext,"close_frame: frame %s",filename);
stat = get_tiger_errcode(frame->data_format,stat);
Handle_Error(errtext,stat);
} else {
if (TK && (frame->iomode == O_MODE || frame->iomode == IO_MODE))
{
printf("@ N {%s}\n",filename);
}
}
return(stat);
}
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
!
!.func open_frame_fast()
!
!.purp opens a 2D frame and updates the image structure items
!.desc
! open_frame(frame,name,mode)
!
! IMAGE2D *frame; image structure
! char *name; frame name
! char *mode; open mode (Input,Ouput,IO)
!.ed
-------------------------------------------------------------------- */
int
open_frame_fast(IMAGE2D *frame, char *name, char *mode)
{
char errtext[132], filename[lg_name+1];
int status, nbaxes, iomode, int_datatype;
float cuts[4];
int info[5];
#ifdef IRAF
int two_dim=2;
int len;
#endif
#ifdef FITS
fitsfile *fptr;
int nbread;
int npix;
int group = 0;
double pixref;
#endif
memset(frame->ident,' ',lg_ident);
frame->ident[lg_ident] = '\0';
memset(frame->cunit,' ',lg_unit);
frame->cunit[lg_unit] = '\0';
memset(frame->history,' ',lg_hist);
frame->history[lg_hist] = '\0';
frame->external_info = NULL;
frame->file_type = T_IMA2D;
frame->data_format = InputIO.basic_io;
strcpy(filename,name);
first_blk(filename);
strcpy(frame->name,filename);
append_ima_extension(frame->name,InputIO.basic_io);
strcpy(filename,frame->name);
if (!exist(filename)) { /* check if fil exists */
status = ERR_OPEN;
sprintf(errtext,"open_frame: frame %s",filename);
Handle_Error(errtext,status);
return(status);
}
switch(mode[0]) {
case 'I' :
if (mode[1] == 'O')
frame->iomode = (int)IO_MODE;
else
frame->iomode = (int)I_MODE;
break;
case 'O' : frame->iomode = (int)O_MODE;
break;
default : frame->iomode = (int)I_MODE;
break;
}
iomode = get_iomode_code(InputIO.basic_io,frame->iomode);
switch (InputIO.basic_io) {
#ifdef MIDAS
case MIDAS_FORMAT :
status = SCFINF(filename,2,info);
if (status == 0) {
status = SCIGET(filename, info[1], iomode, F_IMA_TYPE, 2,
&nbaxes, &(frame->nx), &(frame->startx), &(frame->stepx),
frame->ident, frame->cunit, (char **)(&(frame->data)),
&(frame->imno));
frame->data_type = info[1];
frame->data_type = decode_datatype(InputIO.basic_io,frame->data_type);
if (nbaxes!=2) /* We open a spectrum like an image, and that's not good */
status = ERR_OPEN;
}
break;
#endif
#ifdef IRAF
case IRAF_FORMAT :
case STSDAS_FORMAT :
len = strlen(filename);
uimopn(filename,&iomode,&(frame->imno),&status,len);
if (status != 0)
break;
uimgid(&(frame->imno),&int_datatype,&two_dim,&(frame->nx),&status);
frame->data_type = decode_datatype(InputIO.basic_io,(short)(int_datatype));
if (status != 0)
break;
alloc_frame_mem(frame, datatype);
switch(frame->data_type) {
case SHORT :
uigs2s(&(frame->imno),&one,&(frame->nx),&one,&(frame->ny),
frame->data.s_data,&status);
break;
case INT :
case LONG :
uigs2l(&(frame->imno),&one,&(frame->nx),&one,&(frame->ny),
frame->data.l_data,&status);
break;
case FLOAT :
uigs2r(&(frame->imno),&one,&(frame->nx),&one,&(frame->ny),
frame->data.f_data,&status);
break;
case DOUBLE :
uigs2d(&(frame->imno),&one,&(frame->nx),&one,&(frame->ny),
frame->data.d_data,&status);
break;
}
disable_user_warnings();
RD_desc(frame,"IDENT",CHAR,lg_ident,frame->ident);
restore_user_warnings();
break;
#endif
#ifdef FITS
case FITS_A_FORMAT :
case FITS_B_FORMAT :
status =0;
if (fits_open_file(&fptr,filename,iomode,&status)) {
status = ERR_ACCESS; break;
}
frame->external_info = (void *)fptr;
if (fits_read_key(fptr, TINT,"NAXIS", &nbaxes,NULL, &status)) {
status = ERR_READ; break;
}
if (nbaxes != 2) {
status = ERR_IMA_HEAD; break;
}
if (fits_read_key(fptr, TINT, "NAXIS1",
&(frame->nx), NULL, &status)) {
status = ERR_READ; break;
}
if (fits_read_key(fptr, TINT, "NAXIS2",
&(frame->ny), NULL, &status)) {
status = ERR_READ; break;
}
if (status == 0) {
pixref = 1.0;
fits_read_key(fptr, TDOUBLE, "CRPIX1", &pixref, NULL, &status);
if (status) { status = 0; pixref = 1; }
fits_read_key(fptr, TDOUBLE, "CRVAL1", &(frame->startx), NULL, &status);
if (status) { status = 0; frame->startx = (double)1; }
fits_read_key(fptr, TDOUBLE, "CDELT1", &(frame->stepx), NULL, &status);
if (status) { status = 0; frame->stepx = (double)1; }
frame->startx -= (pixref-1)*frame->stepx;
pixref = 1.0;
fits_read_key(fptr, TDOUBLE, "CRPIX2", &pixref, NULL, &status);
if (status) { status = 0; pixref = 1; }
fits_read_key(fptr, TDOUBLE, "CRVAL2", &(frame->starty), NULL, &status);
if (status) { status = 0; frame->starty = (double)1; }
fits_read_key(fptr, TDOUBLE, "CDELT2", &(frame->stepy), NULL, &status);
if (status) { status = 0; frame->stepy = (double)1; }
frame->starty -= (pixref-1)*frame->stepy;
}
else
break;
int_datatype = (fptr->Fptr->tableptr)->tdatatype;
frame->data_type = decode_datatype(InputIO.basic_io,(short)int_datatype);
if (frame->data_type == SHORT) {
if (fptr->Fptr->tableptr[1].tscale == 1 && fptr->Fptr->tableptr[1].tzero == 32768)
/* unsigned short !!! */
frame->data_type = LONG;
}
if (alloc_frame_mem(frame, frame->data_type) < 0) {
fits_close_file(fptr,&status);
status = ERR_ALLOC;
break;
}
npix = frame->nx*frame->ny;
switch (frame->data_type) {
case SHORT :
if (fits_read_img_sht(fptr,group,1L,npix,(short)0,
frame->data.s_data,&nbread,&status)) {
status = ERR_READ; break;
}
break;
case LONG :
case INT :
if (fits_read_img_lng(fptr,group,1L,npix,(int)0,
frame->data.l_data,&nbread,&status)) {
status = ERR_READ; break;
}
break;
case FLOAT :
if (fits_read_img_flt(fptr,group,1L,npix,(float)0,
frame->data.f_data,&nbread,&status)) {
status = ERR_READ; break;
}
break;
case DOUBLE :
if (fits_read_img_dbl(fptr,group,1L,npix,(double)0,
frame->data.d_data,&nbread,&status)) {
status = ERR_READ; break;
}
break;
}
break;
#endif
}
if (status) {
sprintf(errtext,"open_frame: frame %s",filename);
status = get_tiger_errcode(frame->data_format,status);
Handle_Error(errtext,status);
}
else {
disable_user_warnings();
status = RD_desc(frame,"LHCUTS",FLOAT,4,cuts);
RD_desc(frame,"HISTORY",CHAR,lg_hist,frame->history);
restore_user_warnings();
frame->endx = frame->startx + (frame->nx -1)*frame->stepx;
frame->endy = frame->starty + (frame->ny -1)*frame->stepy;
if (status <= 0) {
/* image_minmax is a really slow routine, and most of the time useless */
frame->min = -ut_big_value;
frame->max = +ut_big_value;
/* image_minmax(frame); */
}
else {
frame->min = cuts[2];
frame->max = cuts[3];
}
status = 0;
/* parse wcs if contained in file */
status = parse_wcs(frame);
}
return(status);
}
void CConnect::SendAllMsg()
{
if(state_ != CON_CONNECTED)
return;
if(MsgList_.empty())
{
if(IsWriting())
DisWriting();
}
else
{
int msgnum = MsgList_.size();
const int iov_count = MIN(msgnum, (IOV_MAX));
struct iovec iow[iov_count];
std::list<CMessage*>::iterator it = MsgList_.begin();
int i = 0;
int ntotalwrite = 0;
for(; it != MsgList_.end(); ++it)
{
CMessage *Msg = *it;
int msglen = Msg->len_ - Msg->cur_;
iow[i].iov_base = Msg->data_ + Msg->cur_;
iow[i].iov_len = msglen;
ntotalwrite += msglen;
i++;
if(i >= iov_count)
break;
}
ssize_t cur_iov = 0;
ssize_t nwritenum = 0;
while(ntotalwrite > nwritenum)
{
ssize_t n = writev(pSocket_->Get_Fd(), &iow[cur_iov], iov_count - cur_iov);
// printf("total = %d writenum = %d n = %d\n", ntotalwrite, nwritenum, n);
if(n > 0)
{
nwritenum += n;
while(static_cast<unsigned int>(n) >= iow[cur_iov].iov_len)
{
n -= iow[cur_iov++].iov_len;
it = MsgList_.begin();
CMessageAlloctor::FreeMSG(&(*it));
MsgList_.erase(it);
}
if(n > 0)
{
iow[cur_iov].iov_base = (char*)iow[cur_iov].iov_base+n;
iow[cur_iov].iov_len -= n;
it = MsgList_.begin();
(*it)->cur_ += n;
}
if(MsgList_.empty() && IsWriting())
DisWriting();
}
else if(n < 0)
{
if(errno == EAGAIN || errno == EWOULDBLOCK)
break;
else if(errno == EINTR)
continue;
else
{
Handle_Error();
break;
}
}
else
{
break;
}
}
State_send_info(nwritenum);
// all pending msg has beeb send
/* if(static_cast<unsigned int>(iov_count) >= MsgList_.size() && ntotalwrite >= nwritenum)
{
it = MsgList_.begin();
for(; it != MsgList_.end(); ++it)
CMessageAlloctor::FreeMSG(&(*it));
MsgList_.clear();
if(IsWriting())
DisWriting();
}
else
{
for(it = MsgList_.begin(); it != MsgList_.end()&& ntotalwrite>0; )
{
CMessage *msg = *it;
int msglen = msg->len_ - msg->cur_;
if(msglen <= ntotalwrite)
{
CMessageAlloctor::FreeMSG(&msg);
it = MsgList_.erase(it);
ntotalwrite -= msglen;
}
else
{
msg->cur_ += ntotalwrite;
ntotalwrite = 0;
}
}
if(!IsWriting())
SetWriting();
}
*/ }
}
int CConnect::Readv()
{
int nReadNum = 0;
while(1)
{
DataBuff *buff = buffmanage_->GetReadBuff();
assert(buff);
char tempbuf[65535];
struct iovec iovec[2];
int bufflen = buff->max - buff->len;
iovec[0].iov_base = buff->data + buff->len;
iovec[0].iov_len = bufflen;
iovec[1].iov_base = tempbuf;
iovec[1].iov_len = sizeof(tempbuf);
ssize_t n = readv(pSocket_->Get_Fd(), &iovec[0], 2);
if(n > 0)
{
nReadNum += n;
if (n <= bufflen)
{
buff->len += n;
}
else
{
buff->len += bufflen;
int size = n - bufflen;
int ncout = 0;
while(ncout < size) // read num greater than bufflen
{
buff = buffmanage_->GetReadBuff();
int min = MIN((buff->max-buff->len), size - ncout);
memcpy(buff->data+buff->len, tempbuf+ncout, min);
ncout += min;
buff->len += min;
}
}
if(static_cast<unsigned int>(n) < bufflen + sizeof(tempbuf))
break;
}
else if( n == 0)
{
Handle_Close();
return n;
}
else
{
if(errno == EAGAIN || errno == EWOULDBLOCK)
break;
else if(errno == EINTR)
continue;
else
{
Handle_Error();
return n;
}
}
}
buffmanage_->AddReadNum(nReadNum);
State_recieve_info(nReadNum);
while(1)
{
CMessage *Msg = NULL;
int nParase = buffmanage_->ParasePacket(&Msg);
if(nParase > 0 && Msg)
{
Msg->fd_ = GetFd();
EventLoop_->PushMsg(Msg);
}
else if(nParase == 0)
{
break;
}
else
{
Handle_Close();
return -1;
}
}
return nReadNum;
}
