DCMTK
Version 3.6.1 20170228
OFFIS DICOM Toolkit
|
class for IPC message exchange between different processes of the DICOMscope application More...
Public Member Functions | |
DVPSIPCMessage () | |
default constructor | |
DVPSIPCMessage (const DVPSIPCMessage ©) | |
copy constructor | |
virtual | ~DVPSIPCMessage () |
destructor | |
DVPSIPCMessage & | operator= (const DVPSIPCMessage &) |
copy assignment operator | |
void | setMessageType (Uint32 msgtype) |
sets the message type More... | |
Uint32 | getMessageType () |
returns the message type More... | |
void | addStringToPayload (const char *str) |
adds a character string into the message payload. More... | |
void | addIntToPayload (Uint32 i) |
adds an integer into the message payload. More... | |
OFBool | extractStringFromPayload (OFString &str) |
extracts a string from the message payload and copies it into the given str object. More... | |
OFBool | extractIntFromPayload (Uint32 &i) |
extracts an integer from the message payload. More... | |
void | rewindPayload () |
rewinds the read offset to the beginning of the message payload | |
void | erasePayload () |
removes all payload | |
OFBool | send (DcmTransportConnection &connection) |
sends the current message over the given transport connection. More... | |
OFBool | receive (DcmTransportConnection &connection) |
receives a messages from the given transport connection and stores it in the current object, replacing any existing payload. More... | |
Private Member Functions | |
void | resizePayload (Uint32 i) |
resize payload if necessary such that at least i bytes can be written More... | |
Private Attributes | |
Uint32 | messageType |
type of message | |
Uint32 | payloadUsed |
number of bytes actually used in payload | |
Uint32 | payloadAllocated |
number of bytes allocated in payload | |
Uint32 | payloadReadOffset |
read offset into payload in bytes | |
unsigned char * | payload |
pointer to raw payload data in big endian byte order | |
class for IPC message exchange between different processes of the DICOMscope application
void DVPSIPCMessage::addIntToPayload | ( | Uint32 | i | ) |
adds an integer into the message payload.
value | to write |
void DVPSIPCMessage::addStringToPayload | ( | const char * | str | ) |
adds a character string into the message payload.
str | zero terminated string, may be NULL (in which case an empty string is added) |
OFBool DVPSIPCMessage::extractIntFromPayload | ( | Uint32 & | i | ) |
extracts an integer from the message payload.
i | integer is written into this parameter |
extracts a string from the message payload and copies it into the given str object.
str | string is written into this parameter |
|
inline |
returns the message type
OFBool DVPSIPCMessage::receive | ( | DcmTransportConnection & | connection | ) |
receives a messages from the given transport connection and stores it in the current object, replacing any existing payload.
connection | transport connection to be used |
|
private |
resize payload if necessary such that at least i bytes can be written
i | number of bytes required in buffer |
OFBool DVPSIPCMessage::send | ( | DcmTransportConnection & | connection | ) |
sends the current message over the given transport connection.
connection | transport connection to be used |
|
inline |
sets the message type
msgtype | new message type |