int copy_stream(int fd,int f)
{
int nread,nwrite;
char buffer[8192];
int timeout=20,wait;
PRINT("copy_stream\n");
while ((nread = read(fd, buffer, sizeof(buffer))) > 0)
{
int index=0,countread;
// nwrite=fwrite(buffer, sizeof(char), nread, f);
/* Lisa:fwrite => write */
while (index < nread )
{
countread=nread-index;
nwrite=write(f,&buffer[index],countread);
index += nwrite;
if ((wait=waitsock(f,timeout,0))==0)
check_prn_status("Busy or Error",clientaddr);
}
check_prn_status("Printing",clientaddr); //Add by Lisa
}
(void)fflush(f); // (STS)
{ // (STS) wait 30 seconds for completion
fd_set rfds;
struct timeval tv;
FD_ZERO(&rfds);
FD_SET(f, &rfds);
tv.tv_sec = 30;
tv.tv_usec = 0;
select(1, NULL, &rfds, NULL, &tv);
}
check_prn_status("ONLINE",""); //Add by Lisa
return (nread);
}
void sig_child(int sig)
{
int childpid;
childpid = waitpid(-1, NULL , WNOHANG);
while( childpid > 0)
{
//remark PRINT("sig_child %d\n",childpid);
if( lptstatus.pid == childpid )
{
FILE *statusFp = NULL;
statusFp = fopen(STATUS_FILE , "w");
if(statusFp != NULL)
{
fprintf(statusFp,"PRN_CLIENT=\"\"\n");
fclose(statusFp);
}
else
{
perror("Open status file failed: ");
}
/*** Wait 10 seconds here ***/
/*** Because some slow printer ***/
/*** need some time to consume ***/
/*** the data... ***/
sleep(10);
busy = FALSE;
lptstatus.busy = FALSE;
lptstatus.pid = 0;
check_prn_status(ONLINE, "");
}
childpid = waitpid(-1, NULL , WNOHANG);
}
//remark PRINT("waitpid -- childpid%d\n",childpid);
}
int processReq(int sockfd)
{
char recv_buf[4]; //buffer to receive header
static char waittime = 1;
int iCount;
struct print_buffer pbuf;
char chPortOpened = FALSE;
/***************************************/
/** We reset the printer only when **/
/** user wants to cancel a job or **/
/** error occurs **/
/***************************************/
//Process the request from cleint
//return when error or job complete
while(TRUE)
{
LPT_CMD_PKT_HDR *pHdrCmd = NULL;
LPT_DATA_PKT_HDR *pHdrData = NULL;
LPT_RES_PKT_HDR pktRes;
WORD body[1];
int rcv; //records how many bytes being received
char *para_buf = NULL; //buffer to store parameter
memset(recv_buf,0,sizeof(recv_buf));
iCount = sizeof(recv_buf);
if(waittime < 5)
{
waittime ++;
}
//Receive the complete header here
while( iCount > 0 )
{
rcv = RECV(sockfd , recv_buf + (4 - iCount) , iCount , 60);
if( rcv < 1)
{
//receive error
//PRINT("1. rcv -> %d\n",rcv);
if(rcv < 0)
{
//perror("ERR:");
}
closesocket(sockfd);
if(chPortOpened == TRUE)
{
reset_printer(10);
}
return 0;
}
iCount = iCount - rcv;
}
//Check Service ID
switch(recv_buf[0])
{
case NET_SERVICE_ID_LPT_EMU:
//PRINT("Service ID -> NET_SERVICE_ID_LPT_EMU \n");
break;
default:
//PRINT("Service ID -> Not Supported \n");
closesocket(sockfd);
if(chPortOpened == TRUE)
{
reset_printer(10);
}
return(0);
break;
}
//Check Packet Type
switch(recv_buf[1])
{
case NET_PACKET_TYPE_CMD:
//PRINT(">>> TYPE_CMD ");
pHdrCmd = (LPT_CMD_PKT_HDR *)recv_buf;
break;
case NET_PACKET_TYPE_RES:
//We should not recevice Response Packet in Server
//PRINT("Packet Type -> NET_PACKET_TYPE_RES Error!!! \n");
closesocket(sockfd);
if(chPortOpened == TRUE)
{
reset_printer(10);
}
return(0);
break;
case NET_PACKET_TYPE_DATA:
//PRINT("$$$ TYPE_DATA ");
pHdrData = (LPT_DATA_PKT_HDR *)recv_buf;
break;
default:
//PRINT("Packet Type -> Not Supported \n");
closesocket(sockfd);
if(chPortOpened == TRUE)
{
reset_printer(10);
}
return(0);
break;
}
if( pHdrCmd != NULL)
{
//We receive command
para_buf = NULL;
iCount = pHdrCmd->ParaLength;
if (iCount!=0)
{
para_buf = (char *)malloc(pHdrCmd->ParaLength);
}
//PRINT("HdrCmd Length %d\n", iCount);
// para_buf may be NULL but this command still work
// 2004/06/07 by Joey
if(iCount!=0 && para_buf == NULL)
{
//perror("malloc error 1:");
closesocket(sockfd);
if(chPortOpened == TRUE)
{
reset_printer(10);
}
return(0);
}
while( iCount > 0 )
{
rcv = RECV(sockfd , (para_buf + (pHdrCmd->ParaLength - iCount )) , iCount , 30);
if( rcv < 1)
{
//receive error
//perror("2. RECV ERR:");
closesocket(sockfd);
free(para_buf);
if(chPortOpened == TRUE)
{
reset_printer(10);
}
return 0;
}
iCount = iCount - rcv;
}
switch(pHdrCmd->CommandID)
{
case NET_CMD_ID_OPEN:
//remark PRINT("NET_CMD_ID_OPEN\n");
/************************************/
/************************************/
/*** TODO: add code here to check ***/
/*** the printer status ***/
/************************************/
/************************************/
pktRes.ServiceID = NET_SERVICE_ID_LPT_EMU;
pktRes.PacketType = NET_PACKET_TYPE_RES;
pktRes.CommandID = NET_CMD_ID_OPEN;
pktRes.ResLength = 2;
if(busy == FALSE)
{
int prnstatus=0;
FILE *statusFp = NULL;
//remark PRINT("--------lptstatus.busy == FALSE\n");
/* add by James Yeh to support usb printer */
/* 2002/12/25 */
check_par_usb_prn();
//Open printer port -modified by PaN
if(g_useUsb == TRUE)
{
fdPRN = open("/dev/usb/lp0",O_RDWR);
}
else
{
fdPRN = open("/dev/lp0",O_RDWR);
}
if(fdPRN == 0)
{
//Failed to open printer port
//PRINT("Can not open lp0 errno -> %d \n",errno);
//perror("ERR:");
//Send header
send(sockfd , (const char *)&pktRes , sizeof(pktRes) , 0);
//Send body
body[0] = ERR_SERVER_LPT_FAIL;
send(sockfd , body , sizeof(body) , 0);
free(para_buf);
return(0);
}
ioctl(fdPRN,LPGETSTATUS,&prnstatus);
if(prnstatus != 0)
{
//remark PRINT("prnstatus != 0\n");
body[0] = ERR_SERVER_OCCUPIED;
/*******************************************************************************/
/* why we are using ERR_SERVER_OCCUPIED instead of ERR_SERVER_LPT_FAIL here ?? */
/* Because ERR_SERVER_OCCUPIED will let user try again & again. Using */
/* ERR_SERVER_LPT_FAIL will fail the reques */
/*******************************************************************************/
//Send header
send(sockfd , (const char *)&pktRes , sizeof(pktRes) , 0);
//Send body
send(sockfd , body , sizeof(body) , 0);
free(para_buf);
return(0);
}
statusFp = fopen(STATUS_FILE , "w");
if(statusFp != NULL)
{
fprintf(statusFp,"PRN_CLIENT=\"%s\"\n",lptstatus.addr);
fclose(statusFp);
}
else
{
//perror("Open status file failed: ");
}
chPortOpened = TRUE;
body[0] = ERR_SUCCESS;
}
else
{
//PRINT("*********lptstatus.busy == TRUE\n");
body[0] = ERR_SERVER_OCCUPIED;
//Send header
send(sockfd , (const char *)&pktRes , sizeof(pktRes) , 0);
//Send body
send(sockfd , body , sizeof(body) , 0);
free(para_buf);
return(0);
}
//Send header
send(sockfd , (const char *)&pktRes , sizeof(pktRes) , 0);
//Send body
send(sockfd , body , sizeof(body) , 0);
break;
case NET_CMD_ID_CLOSE:
{
char bCancel = FALSE;
//remark PRINT("NET_CMD_ID_CLOSE\n");
/*****************************************************/
/* Check if user normally or abnormally end this job */
/* James 2002/06/05 */
/*****************************************************/
if(pHdrCmd->ParaLength != 1) //Length should be 1 byte long
{
//remark PRINT("NET_CMD_ID_CLOSE length error -- %d\n",pHdrCmd->ParaLength);
closesocket(sockfd);
free(para_buf);
if(chPortOpened == TRUE)
{
reset_printer(10);
}
return(0);
}
//remark PRINT("para_buf[0] - %02X\n",para_buf[0]);
if(para_buf[0] == 1)
{
bCancel = TRUE;
}
pktRes.ServiceID = NET_SERVICE_ID_LPT_EMU;
pktRes.PacketType = NET_PACKET_TYPE_RES;
pktRes.CommandID = NET_CMD_ID_CLOSE;
pktRes.ResLength = 2;
//Send header
send(sockfd , (const char *)&pktRes , sizeof(pktRes) , 0);
//Send body
body[0] = ERR_SUCCESS;
send(sockfd , body , sizeof(body) , 0);
closesocket(sockfd);
free(para_buf);
//close printer port modified by PaN
sleep(1);
if(bCancel == TRUE)
{
//reset printer
//PRINT("Reset Printer\n");
reset_printer(10);
}
close(fdPRN);
return(0);
break;
}//case NET_CMD_ID_CLOSE:
case NET_CMD_ID_READ:
{
LPT_DATA_PKT_HDR pktData;
WORD len;
int res_fread = 0;
PBYTE pReadbuf;
len = (para_buf[1] << 8) + para_buf[0];
//remark PRINT("NET_CMD_ID_READ len -> %d\n",len);
/************************************/
/************************************/
/*** TODO: add code here to read ***/
/*** the printer port ***/
/************************************/
/************************************/
pReadbuf = (char *)malloc(len + 1);
if(pReadbuf == NULL)
{
//perror("malloc error 2:");
closesocket(sockfd);
free(para_buf);
if(chPortOpened == TRUE)
{
reset_printer(10);
}
return(0);
}
pbuf.len = len;
pbuf.buf = pReadbuf;
//PRINT("Start Read\n");
res_fread = ioctl(fdPRN,LPREADDATA,&pbuf);
//PRINT("End Read\n");
//PRINT("---- res_fread %d\n",res_fread);
if(res_fread > 0)
{
len = res_fread;
pReadbuf[res_fread]= 0;
//PRINT("*** %s\n",pReadbuf);
}
else
{
len = 0;
}
pktData.ServiceID = NET_SERVICE_ID_LPT_EMU;
pktData.PacketType = NET_PACKET_TYPE_DATA;
pktData.DataLength = len; //can not exceed 0xFFFF
/********** Sending Header **********/
send(sockfd , (const char *)&pktData , sizeof(pktData) , 0);
if( len > 0)
{
/********** Sending Body **********/
send(sockfd , (const char *)pReadbuf , len , 0);
}
free(pReadbuf);
break;
}
free(para_buf);
}//switch(pHdrCmd->CommandID)
}//if( pHdrCmd != NULL)
if( pHdrData != NULL)
{
//We receive Data
int res_fwrite;
int res_total_fwrite;
int write_len;
int total_len;
PBYTE write_buf;
int prnstatus=0;
iCount = pHdrData->DataLength;
if (iCount!=0)
{
para_buf = (char *)malloc(pHdrData->DataLength);
}
//remark
//PRINT("pHdrData->DataLength -- %d\n",pHdrData->DataLength);
if(iCount!=0 && para_buf == NULL)
{
//perror("malloc error 3:");
closesocket(sockfd);
if(chPortOpened == TRUE)
{
reset_printer(10);
}
return(0);
}
//PRINT("DATA HDR OK...\n");
while( iCount > 0 )
{
rcv = RECV(sockfd , (para_buf + (pHdrData->DataLength - iCount )) , iCount , 30);
if( rcv < 1)
{
//receive error
//perror("3. RECV ERR:");
closesocket(sockfd);
free(para_buf);
if(chPortOpened == TRUE)
{
reset_printer(10);
}
return 0;
}
iCount = iCount - rcv;
}
//PRINT("DATA BODY OK...\n");
pbuf.len = pHdrData->DataLength;
pbuf.buf = para_buf;
write_len = 0;
total_len = pHdrData->DataLength;
write_buf = para_buf;
res_fwrite = 0;
res_total_fwrite = 0;
//remark PRINT("total_len %d\n",total_len);
while(total_len > 0)
{
if(total_len > 4096)
{
pbuf.len = 4096;
pbuf.buf = write_buf;
res_fwrite = ioctl(fdPRN,LPWRITEDATA,&pbuf);
if(res_fwrite != 4096)
{
DWORD retry = 0;
ioctl(fdPRN,LPGETSTATUS,&prnstatus);
//remark PRINT("prnstatus %d\n",prnstatus);
while( ((prnstatus == 0) || (prnstatus & LP_PBUSY)) && (res_fwrite != 4096) && (retry < 3))
{
//remark PRINT("}}}}}}}}}}}} res_fwrite %d\n",res_fwrite);
pbuf.len = 4096 - res_fwrite;
pbuf.buf = &(write_buf[res_fwrite]);
//usleep(500); //why we don't use usleep here ?? becuse usleep will sleep longer then we expect in iBox
sleep(1);
res_fwrite = res_fwrite + ioctl(fdPRN,LPWRITEDATA,&pbuf);
//remark PRINT("}}}}}}}}}}}} res_fwrite %d\n",res_fwrite);
ioctl(fdPRN,LPGETSTATUS,&prnstatus);
//remark PRINT("retry %d\n",retry);
retry ++;
}
}
res_total_fwrite = res_total_fwrite + res_fwrite;
if(res_fwrite != 4096)
{
break;
}
else
{
total_len = total_len - 4096;
if(total_len == 0)
{
//remark PRINT("total_len == 0 \n");
break;
}
write_buf = &(write_buf[4096]);
}
//remark PRINT("res_total_fwrite %d -- res_fwrite %d \n",res_total_fwrite,res_fwrite);
}
else
{
pbuf.len = total_len;
pbuf.buf = write_buf;
res_fwrite = ioctl(fdPRN,LPWRITEDATA,&pbuf);
//remark PRINT("PPPPPPP res_fwrite %d\n",res_fwrite);
if(res_fwrite != total_len)
{
DWORD retry = 0;
ioctl(fdPRN,LPGETSTATUS,&prnstatus);
//remark PRINT("prnstatus %d\n",prnstatus);
while( ((prnstatus == 0) || (prnstatus & LP_PBUSY)) && (res_fwrite != total_len) && (retry < 3))
{
pbuf.len = total_len - res_fwrite;
pbuf.buf = &(write_buf[res_fwrite]);
//usleep(500); //why we don't use usleep here ?? becuse usleep will sleep longer then we expect in iBox
sleep(1);
res_fwrite = res_fwrite + ioctl(fdPRN,LPWRITEDATA,&pbuf);
//remark PRINT("}}}}}}}}}}}} res_fwrite %d\n",res_fwrite);
ioctl(fdPRN,LPGETSTATUS,&prnstatus);
//remark PRINT("retry %d\n",retry);
retry ++;
}
}
res_total_fwrite = res_total_fwrite + res_fwrite;
//remark PRINT("res_total_fwrite %d -- res_fwrite %d \n",res_total_fwrite,res_fwrite);
break;
}
}
//remark PRINT("WritePrint %d - %d bytes\n",res_total_fwrite,pHdrData->DataLength);
if(res_total_fwrite != pHdrData->DataLength)
{
int tmp=0;
//remark PRINT("res_total_fwrite != pHdrData->DataLength \n");
ioctl(fdPRN,LPGETSTATUS,&prnstatus);
//remark PRINT("prnstatus %08X \n",prnstatus);
if((prnstatus & LP_PERRORP) == 1 ) //Printer off-line
{
//remark PRINT("Printer off-line -- prnstatus %d\n",prnstatus);
res_total_fwrite = res_total_fwrite|0x8000;
}
else
{
//remark PRINT("Paper Empty -- prnstatus %d\n",prnstatus);
res_total_fwrite = res_total_fwrite|0x4000;
}
check_prn_status("BUSY or ERROR", clientaddr);
}
else{//JY1113 add
/*JY1113*/
check_prn_status("Printing", clientaddr);
/**/
}
//remark PRINT("res_total_fwrite %08X\n",res_total_fwrite);
body[0] = res_total_fwrite;
pktRes.ServiceID = NET_SERVICE_ID_LPT_EMU;
pktRes.PacketType = NET_PACKET_TYPE_RES;
pktRes.CommandID = NET_CMD_ID_DATA_RES;
pktRes.ResLength = 2;
//Send header
send(sockfd , (const char *)&pktRes , sizeof(pktRes) , 0);
//Send body
send(sockfd , body , sizeof(body) , 0);
free(para_buf);
}//if( pHdrData != NULL)
}
//remark PRINT("Thread Over\n");
return(0);
}
int copy_stream(int fd,int f)
{
int nread,nwrite;
char buffer[8192];
int timeout=20, wait;
int busyflag=0;
//PRINT("copy_stream\n");
while ((nread = read(fd, buffer, sizeof(buffer))) > 0)
{
int index=0,countread;
// nwrite=fwrite(buffer, sizeof(char), nread, f);
/* Lisa:fwrite => write */
check_prn_status("Printing", clientaddr); //Add by Lisa
while (index < nread )
{
countread=nread-index;
nwrite=write(f, &buffer[index],countread);
if (nwrite<0)
{
logmessage("lpd", "write error : %d\n", errno);
check_prn_status("Busy or Error", clientaddr);
return(nread);
}
#ifdef REMOVE
else if (nwrite==0)
{
syslog(LOG_NOTICE, "write error 4: %d\n", nwrite);
check_prn_status("Busy or Error",clientaddr);
busyflag=1;
}
#endif
else if ((wait=waitsock(f,timeout,0))==0)
{
//logmessage("lpd", "write error %d\n", errno);
check_prn_status("Busy or Error",clientaddr);
busyflag=1;
}
else if(wait<0)
{
logmessage("lpd", "can not write : %d\n", errno);
check_prn_status("Busy or Error",clientaddr);
return(nread);
}
else
{
index+=nwrite;
if (busyflag==1)
{
busyflag = 0;
check_prn_status("Printing",clientaddr);
}
}
}
}
//(void)fflush(f);
check_prn_status(ONLINE,""); //Add by Lisa
return (nread);
}
int copy_stream(int fd,int f)
{
int nread,nwrite;
char buffer[8192];
int timeout=20, wait;
int busyflag=0;
//PRINT("copy_stream\n");
while ((nread = read(fd, buffer, sizeof(buffer))) > 0)
{
int index=0,countread;
// nwrite=fwrite(buffer, sizeof(char), nread, f);
/* Lisa:fwrite => write */
check_prn_status("Printing", clientaddr); //Add by Lisa
while (index < nread )
{
countread=nread-index;
nwrite=write(f, &buffer[index],countread);
if (nwrite<0)
{
logmessage("lpd", "write error : %d\n", errno);
check_prn_status("Busy or Error", clientaddr);
return(nread);
}
#ifdef REMOVE
else if (nwrite==0)
{
syslog(LOG_NOTICE, "write error 4: %d\n", nwrite);
check_prn_status("Busy or Error",clientaddr);
busyflag=1;
}
#endif
else if ((wait=waitsock(f,timeout,0))==0)
{
//logmessage("lpd", "write error %d\n", errno);
check_prn_status("Busy or Error",clientaddr);
busyflag=1;
}
else if(wait<0)
{
logmessage("lpd", "can not write : %d\n", errno);
check_prn_status("Busy or Error",clientaddr);
return(nread);
}
else
{
index+=nwrite;
if (busyflag==1)
{
busyflag = 0;
check_prn_status("Printing",clientaddr);
}
}
}
}
(void)fflush(f);// (STS)
{ // (STS) wait 30 seconds for completion
fd_set rfds;
struct timeval tv;
FD_ZERO(&rfds);
FD_SET(f, &rfds);
tv.tv_sec = 30;
tv.tv_usec = 0;
select(1, NULL, &rfds, NULL, &tv);
}
check_prn_status(ONLINE,""); //Add by Lisa
return (nread);
}