rlSiemensTCPClient Class Reference

#include <rlsiemenstcpclient.h>

Inheritance diagram for rlSiemensTCPClient:

Collaboration diagram for rlSiemensTCPClient:

Public Types
enum	ORG {   ORG_DB = 1, ORG_M = 2, ORG_E = 3, ORG_A = 4,   ORG_PEPA = 5, ORG_Z = 6, ORG_T = 7 }
Public Types inherited from rlMailbox
enum	MailboxEnum {   MAILBOX_ERROR = -1, MAILBOX_FULL = -2, WAIT = 1, NOWAIT = 0,   MAX_MAILBOX = 256*256, OK = 2, COULD_NOT_CREATE_MAILBOX = 3, COULD_NOT_GET_KEY = 4,   COULD_NOT_GET_CHAN_ID = 5 }

Public Member Functions
	rlSiemensTCPClient (const char *mbxname, const char *shmname, int shmsize, int have_to_swap=1)
virtual	~rlSiemensTCPClient ()
int	write (int slave, int org, int dbnum, int start, int len, const unsigned char *buf, int function)
int	writeBit (int slave, int org, int dbnum, int start, int offset, int len, const unsigned char *buf)
int	writeByte (int slave, int org, int dbnum, int start, int len, const unsigned char *val)
int	writeFloat (int slave, int org, int dbnum, int start, int len, const float *val)
int	writeDword (int slave, int org, int dbnum, int start, int len, const int *val)
int	writeShort (int slave, int org, int dbnum, int start, int len, const short *val)
int	writeUDword (int slave, int org, int dbnum, int start, int len, const unsigned int *val)
int	writeUShort (int slave, int org, int dbnum, int start, int len, const unsigned short *val)
int	read (int offset, int len)
float	Float (int index)
int	Dword (int index)
int	Short (int index)
unsigned int	UDword (int index)
unsigned int	UShort (int index)
Public Member Functions inherited from rlMailbox
	rlMailbox (const char *name)
virtual	~rlMailbox ()
int	write (const void *buf, int len)
int	printf (const char *format,...)
int	read (void *buf, int maxlen, int wait=WAIT)
int	setReadBufferSize (int size)
const char *	read (int wait=WAIT)
int	write (const char *message)
void	clear ()

Public Attributes
unsigned char	buf [2048]
Public Attributes inherited from rlMailbox
int	status
char *	name

Private Attributes
int	have_to_swap
Private Attributes inherited from rlSharedMemory
int	status
char *	name

Additional Inherited Members
Private Types inherited from rlSharedMemory
enum	SharedMemoryEnum {   OK = 0, ERROR_FILE, ERROR_SHMGET, ERROR_SHMAT,   ERROR_SHMCTL }
Private Member Functions inherited from rlSharedMemory
	rlSharedMemory (const char *name, unsigned long size, int rwmode=0600)
virtual	~rlSharedMemory ()
int	deleteSharedMemory ()
int	write (unsigned long offset, const void *buf, int len)
int	read (unsigned long offset, void *buf, int len)
int	readInt (unsigned long offset, int index)
int	readShort (unsigned long offset, int index)
int	readByte (unsigned long offset, int index)
float	readFloat (unsigned long offset, int index)
int	writeInt (unsigned long offset, int index, int val)
int	writeShort (unsigned long offset, int index, int val)
int	writeByte (unsigned long offset, int index, unsigned char val)
int	writeFloat (unsigned long offset, int index, float val)
void *	getUserAdr ()
int	shmKey ()
int	shmId ()
unsigned long	size ()

Detailed Description

This class is for data acquisition within pvserver according to the pvbrowser principle.
The corresponding daemon is generated by pvdevelop.
It communicates by the means of a shared memory and a mailbox.

Definition at line 33 of file rlsiemenstcpclient.h.

Member Enumeration Documentation

ORG

enum rlSiemensTCPClient::ORG

Enumerator
ORG_DB
ORG_M
ORG_E
ORG_A
ORG_PEPA
ORG_Z
ORG_T

Definition at line 36 of file rlsiemenstcpclient.h.

    {
      ORG_DB   = 1,
      ORG_M    = 2,
      ORG_E    = 3,
      ORG_A    = 4,
      ORG_PEPA = 5,
      ORG_Z    = 6,
      ORG_T    = 7
    };

Constructor & Destructor Documentation

rlSiemensTCPClient()

rlSiemensTCPClient::rlSiemensTCPClient	(	const char *	mbxname,
		const char *	shmname,
		int	shmsize,
		int	have_to_swap = 1
	)

Definition at line 35 of file rlsiemenstcpclient.cpp.

                   :rlMailbox(mbxname), rlSharedMemory(shmname, shmsize)
{
  have_to_swap = _have_to_swap;
}

~rlSiemensTCPClient()

rlSiemensTCPClient::~rlSiemensTCPClient ( )

virtual

Definition at line 41 of file rlsiemenstcpclient.cpp.

{
}

Member Function Documentation

Dword()

int rlSiemensTCPClient::Dword

(

int

index

)

Definition at line 285 of file rlsiemenstcpclient.cpp.

{
  SWAP swap;
  if(index*4+4 > (int) BUFSIZE) return 0;
  if(have_to_swap == 1)
  {
    swap.b[0] = buf[4*index+3];  
    swap.b[1] = buf[4*index+2];  
    swap.b[2] = buf[4*index+1];  
    swap.b[3] = buf[4*index];
  }    
  else
  {
    swap.b[0] = buf[4*index];  
    swap.b[1] = buf[4*index+1];  
    swap.b[2] = buf[4*index+2];  
    swap.b[3] = buf[4*index+3];
  }    
  return swap.i;
}

Float()

float rlSiemensTCPClient::Float

(

int

index

)

Definition at line 264 of file rlsiemenstcpclient.cpp.

{
  SWAP swap;
  if(index*4+4 > (int) BUFSIZE) return 0.0f;
  if(have_to_swap == 1)
  {
    swap.b[0] = buf[4*index+3];  
    swap.b[1] = buf[4*index+2];  
    swap.b[2] = buf[4*index+1];  
    swap.b[3] = buf[4*index];
  }
  else
  {
    swap.b[0] = buf[4*index];  
    swap.b[1] = buf[4*index+1];  
    swap.b[2] = buf[4*index+2];  
    swap.b[3] = buf[4*index+3];
  }    
  return swap.f;
}

read()

int rlSiemensTCPClient::read	(	int	offset,
		int	len
	)

Definition at line 259 of file rlsiemenstcpclient.cpp.

{
  return rlSharedMemory::read(offset,buf,len);
}

Short()

int rlSiemensTCPClient::Short

(

int

index

)

Definition at line 306 of file rlsiemenstcpclient.cpp.

{
  SWAP swap;
  if(index*2+2 > (int) BUFSIZE) return 0;
  if(have_to_swap == 1)
  {
    swap.b[0] = buf[2*index+1];  
    swap.b[1] = buf[2*index];  
  }    
  else
  {
    swap.b[0] = buf[2*index];  
    swap.b[1] = buf[2*index+1];  
  }    
  return swap.s[0];
}

UDword()

unsigned int rlSiemensTCPClient::UDword

(

int

index

)

Definition at line 323 of file rlsiemenstcpclient.cpp.

{
  SWAP swap;
  if(index*4+4 > (int) BUFSIZE) return 0;
  if(have_to_swap == 1)
  {
    swap.b[0] = buf[4*index+3];  
    swap.b[1] = buf[4*index+2];  
    swap.b[2] = buf[4*index+1];  
    swap.b[3] = buf[4*index];  
  }  
  else
  {
    swap.b[0] = buf[4*index];  
    swap.b[1] = buf[4*index+1];  
    swap.b[2] = buf[4*index+2];  
    swap.b[3] = buf[4*index+3];
  }    
  return swap.ui;
}

UShort()

unsigned int rlSiemensTCPClient::UShort

(

int

index

)

Definition at line 344 of file rlsiemenstcpclient.cpp.

{
  SWAP swap;
  if(index*2+4 > (int) BUFSIZE) return 0;
  if(have_to_swap == 1)
  {
    swap.b[0] = buf[2*index+1];  
    swap.b[1] = buf[2*index];  
  }    
  else
  {
    swap.b[0] = buf[2*index];  
    swap.b[1] = buf[2*index+1];  
  }    
  return swap.us[0];
}

write()

int rlSiemensTCPClient::write	(	int	slave,
		int	org,
		int	dbnum,
		int	start,
		int	len,
		const unsigned char *	buf,
		int	function = rlSiemensTCP::WriteByte
	)

Definition at line 45 of file rlsiemenstcpclient.cpp.

{
  unsigned char buf[BUFSIZE+8];
  int len_byte;

  if(len <= 0)     return -1;
  if(slave < 0)    return -1;
  if(slave >= 256) return -1;
  len_byte = len;
  buf[0] = slave;
  buf[1] = org;
  buf[2] = dbnr / 256;
  buf[3] = dbnr & 0x0ff;
  buf[4] = start_adr / 256;
  buf[5] = start_adr & 0x0ff;
  buf[6] = len / 256;
  buf[7] = len & 0x0ff;
  buf[8] = function;
  memcpy(&buf[9],inbuf,len_byte);
  rlMailbox::write((void *) buf, len_byte + 9);
  return 0;
}

writeBit()

int rlSiemensTCPClient::writeBit	(	int	slave,
		int	org,
		int	dbnum,
		int	start,
		int	offset,
		int	len,
		const unsigned char *	buf
	)

Definition at line 68 of file rlsiemenstcpclient.cpp.

{
  if(len < 0)       return -1;
  if(len > BUFSIZE) return -1;
  if(slave < 0)     return -1;
  if(slave > 255)   return -1;
  int start_adr = start * 8 + offset;
  return write(slave,org,dbnum,start_adr,len,val,rlSiemensTCP::WriteBit);
}

writeByte()

int rlSiemensTCPClient::writeByte	(	int	slave,
		int	org,
		int	dbnum,
		int	start,
		int	len,
		const unsigned char *	val
	)

Definition at line 78 of file rlsiemenstcpclient.cpp.

{
  if(len < 0)       return -1;
  if(len > BUFSIZE) return -1;
  if(slave < 0)     return -1;
  if(slave > 255)   return -1;
  return write(slave,org,dbnum,start,len,val,rlSiemensTCP::WriteByte);
}

writeDword()

int rlSiemensTCPClient::writeDword	(	int	slave,
		int	org,
		int	dbnum,
		int	start,
		int	len,
		const int *	val
	)

Definition at line 123 of file rlsiemenstcpclient.cpp.

{
  SWAP swap;
  int i,len_byte;
  unsigned char buf[BUFSIZE];
  
  len_byte = len * 4;
  if(len_byte < 0)       return -1;
  if(len_byte > BUFSIZE) return -1;
  if(slave < 0)     return -1;
  if(slave > 255)   return -1;
  if(have_to_swap == 1)
  {
    for(i=0; i<len_byte; i+=4)
    {
      swap.i   = val[i/4];
      buf[i+3] = swap.b[0];  
      buf[i+2] = swap.b[1];  
      buf[i+1] = swap.b[2];  
      buf[i]   = swap.b[3];  
    }
  }  
  else
  {
    for(i=0; i<len_byte; i+=4)
    {
      swap.i   = val[i/4];
      buf[i]   = swap.b[0];  
      buf[i+1] = swap.b[1];  
      buf[i+2] = swap.b[2];  
      buf[i+3] = swap.b[3];       
    }
  }  
  return write(slave,org,dbnum,start,len_byte,buf,rlSiemensTCP::WriteByte);
}

writeFloat()

int rlSiemensTCPClient::writeFloat	(	int	slave,
		int	org,
		int	dbnum,
		int	start,
		int	len,
		const float *	val
	)

Definition at line 87 of file rlsiemenstcpclient.cpp.

{
  SWAP swap;
  int i,len_byte;
  unsigned char buf[BUFSIZE];

  len_byte = len * 4;
  if(len_byte < 0)       return -1;
  if(len_byte > BUFSIZE) return -1;
  if(slave < 0)     return -1;
  if(slave > 255)   return -1;
  if(have_to_swap == 1)
  {
    for(i=0; i<len_byte; i+=4)
    {
      swap.f   = val[i/4];
      buf[i+3] = swap.b[0];  
      buf[i+2] = swap.b[1];  
      buf[i+1] = swap.b[2];  
      buf[i]   = swap.b[3];  
    }
  }
  else
  {
    for(i=0; i<len_byte; i+=4)
    {
      swap.f   = val[i/4];
      buf[i]   = swap.b[0];  
      buf[i+1] = swap.b[1];  
      buf[i+2] = swap.b[2];  
      buf[i+3] = swap.b[3];       
    }
  }  
  return write(slave,org,dbnum,start,len_byte,buf,rlSiemensTCP::WriteByte);
}

writeShort()

int rlSiemensTCPClient::writeShort	(	int	slave,
		int	org,
		int	dbnum,
		int	start,
		int	len,
		const short *	val
	)

Definition at line 159 of file rlsiemenstcpclient.cpp.

{
  SWAP swap;
  int i,len_byte;
  unsigned char buf[BUFSIZE];
  
  len_byte = len * 2;
  if(len_byte < 0)       return -1;
  if(len_byte > BUFSIZE) return -1;
  if(slave < 0)     return -1;
  if(slave > 255)   return -1;
  if(have_to_swap == 1)
  {
    for(i=0; i<len_byte; i+=2)
    {
      swap.s[0] = val[i/2];
      buf[i+1]  = swap.b[0];  
      buf[i]    = swap.b[1];  
    }
  }  
  else
  {
    for(i=0; i<len_byte; i+=2)
    {
      swap.s[0] = val[i/2];
      buf[i]    = swap.b[0];  
      buf[i+1]  = swap.b[1];  
    }
  }  
  return write(slave,org,dbnum,start,len_byte,buf,rlSiemensTCP::WriteByte);
}

writeUDword()

int rlSiemensTCPClient::writeUDword	(	int	slave,
		int	org,
		int	dbnum,
		int	start,
		int	len,
		const unsigned int *	val
	)

Definition at line 191 of file rlsiemenstcpclient.cpp.

{
  SWAP swap;
  int i,len_byte;
  unsigned char buf[BUFSIZE];
  
  len_byte = len * 4;
  if(len_byte < 0)       return -1;
  if(len_byte > BUFSIZE) return -1;
  if(slave < 0)     return -1;
  if(slave > 255)   return -1;
  if(have_to_swap == 1)
  {
    for(i=0; i<len_byte; i+=4)
    {
      swap.ui  = val[i/4];
      buf[i+3] = swap.b[0];  
      buf[i+2] = swap.b[1];  
      buf[i+1] = swap.b[2];  
      buf[i]   = swap.b[3];  
    }
  }  
  else
  {
    for(i=0; i<len_byte; i+=4)
    {
      swap.ui  = val[i/4];
      buf[i]   = swap.b[0];  
      buf[i+1] = swap.b[1];  
      buf[i+2] = swap.b[2];  
      buf[i+3] = swap.b[3];       
    }
  }  
  return write(slave,org,dbnum,start,len_byte,buf,rlSiemensTCP::WriteByte);
}

writeUShort()

int rlSiemensTCPClient::writeUShort	(	int	slave,
		int	org,
		int	dbnum,
		int	start,
		int	len,
		const unsigned short *	val
	)

Definition at line 227 of file rlsiemenstcpclient.cpp.

{
  SWAP swap;
  int i,len_byte;
  unsigned char buf[BUFSIZE];
  
  len_byte = len * 2;
  if(len_byte < 0)       return -1;
  if(len_byte > BUFSIZE) return -1;
  if(slave < 0)     return -1;
  if(slave > 255)   return -1;
  if(have_to_swap == 1)
  {
    for(i=0; i<len_byte; i+=2)
    {
      swap.us[0] = val[i/2];
      buf[i+1]   = swap.b[0];  
      buf[i]     = swap.b[1];  
    }
  }
  else
  {
    for(i=0; i<len_byte; i+=2)
    {
      swap.us[0] = val[i/2];
      buf[i]     = swap.b[0];  
      buf[i+1]   = swap.b[1];  
    }
  }      
  return write(slave,org,dbnum,start,len_byte,buf,rlSiemensTCP::WriteByte);
}

Member Data Documentation

buf

unsigned char rlSiemensTCPClient::buf[2048]

Definition at line 62 of file rlsiemenstcpclient.h.

have_to_swap

int rlSiemensTCPClient::have_to_swap

private

Definition at line 64 of file rlsiemenstcpclient.h.

---

The documentation for this class was generated from the following files:

• rlsiemenstcpclient.h
• rlsiemenstcpclient.cpp