[2393] | 1 | #ifndef DATAMESSAGE_H_
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| 2 | #define DATAMESSAGE_H_
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| 3 |
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| 4 | #define USE_MESSAGE_UTILITY
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| 5 |
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| 6 | #include <memory>
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| 7 | #include <inttypes.h>
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| 8 |
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| 9 | // use message utility
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| 10 | #ifdef USE_MESSAGE_UTILITY
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| 11 | #include "ariba/utility/messages.h"
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| 12 | namespace ariba {
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| 13 | typedef utility::Message Message;
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| 14 | }
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| 15 | #endif
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| 16 |
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| 17 | namespace ariba {
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| 18 |
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| 19 | // define sequence number type
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| 20 | typedef uint16_t seqnum_t;
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| 21 |
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| 22 | /**
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| 23 | * This class wraps different representations of a message. In its current
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| 24 | * version is allows to specify binary data (as void*) with a size specifying
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| 25 | * the number of bytes of data or an message object that can be
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| 26 | * serialized if necessary. The main idea is, that simulation environments
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| 27 | * do not necessarily need to serialize messages.
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| 28 | *
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| 29 | * For performance reasons methods of this class are inlined where possible!
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| 30 | *
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| 31 | * @author Sebastian Mies <mies@tm.uka.de>
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| 32 | */
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| 33 | class DataMessage {
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| 34 | private:
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| 35 | void* data;
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| 36 | size_t size;
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| 37 | public:
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| 38 | static const DataMessage UNSPECIFIED;
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| 39 |
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| 40 | inline DataMessage() {
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| 41 | this->data = NULL;
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| 42 | this->size = 0;
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| 43 | }
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| 44 |
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| 45 | inline DataMessage( const void* data, const size_t size ) {
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| 46 | this->data = const_cast<void*>(data);
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| 47 | this->size = size;
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| 48 | }
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| 49 |
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[7497] | 50 | inline DataMessage(const DataMessage& message){
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| 51 | this->data = message.data;
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| 52 | this->size = message.size;
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| 53 | }
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| 54 |
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[2393] | 55 | #ifdef USE_MESSAGE_UTILITY
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| 56 | inline DataMessage( const Message* message ) {
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| 57 | this->data = (void*)const_cast<Message*>(message);
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| 58 | this->size = ~0;
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| 59 | }
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| 60 |
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[2473] | 61 | inline DataMessage( const Message& message ) {
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| 62 | this->data = (void*)const_cast<Message*>(&message);
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| 63 | this->size = ~0;
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| 64 | }
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| 65 |
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[2393] | 66 | inline Message* getMessage() const {
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[7499] | 67 | if (isData()) {
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| 68 | return new Message( Data((uint8_t*)data,size*8) );
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| 69 | }
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[2393] | 70 | return (Message*)data;
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| 71 | }
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| 72 |
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| 73 | inline operator Message* () const {
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[7499] | 74 | return getMessage();
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[2393] | 75 | }
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| 76 | #endif
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| 77 |
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| 78 | inline bool isMessage() const {
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[7500] | 79 | return size == ~(size_t)0;
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[2393] | 80 | }
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| 81 |
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| 82 | inline bool isData() const {
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[7500] | 83 | return !isMessage();
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[2393] | 84 | }
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| 85 |
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| 86 | inline void* getData() const {
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| 87 | return data;
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| 88 | }
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| 89 |
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| 90 | inline size_t getSize() const {
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| 91 | return size;
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| 92 | }
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| 93 |
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| 94 | inline bool isUnspecified() const {
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| 95 | return data == NULL;
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| 96 | }
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| 97 | };
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[2435] | 98 |
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[2393] | 99 | } // namespace ariba
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| 100 |
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| 101 | #endif /* DATAMESSAGE_H_ */
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