source: source/ariba/overlay/messages/DHTMessage.h@ 6823

Last change on this file since 6823 was 6796, checked in by mies, 15 years ago

DHTTest working with 2 nodes

File size: 1.7 KB
Line 
1#ifndef DHTMESSAGE_H_
2#define DHTMESSAGE_H_
3
4#include "ariba/utility/messages.h"
5#include "ariba/utility/serialization.h"
6
7namespace ariba {
8namespace overlay {
9
10using ariba::utility::Message;
11using_serialization;
12
13class DHTMessage : public Message { VSERIALIZEABLE
14public:
15 DHTMessage();
16 DHTMessage( const Data& key );
17 DHTMessage( const Data& key, const Data& value );
18 DHTMessage( const Data& key, const vector<Data>& values );
19 virtual ~DHTMessage();
20
21 const NodeID& getHashedKey() const {
22 return hash;
23 }
24
25 const Data& getKey() const {
26 return key;
27 }
28
29 /// returns the first element of the key vector
30 const Data& getValue() const {
31 return values.at(0);
32 }
33
34 bool hasValues() const {
35 values.size() != 0;
36 }
37
38 uint16_t getTTL() const {
39 return ttl;
40 }
41
42 void setTTL( uint16_t ttl ) {
43 this->ttl = ttl;
44 }
45
46 /// return alles values for the key
47 const vector<Data>& getValues() const {
48 return values;
49 }
50
51private:
52 NodeID hash;
53 uint16_t ttl;
54 Data key;
55 vector<Data> values;
56};
57
58}} // namespace ariba::overlay
59
60sznBeginDefault( ariba::overlay::DHTMessage, X ) {
61
62 X && ttl;
63
64 // key serialization
65 uint16_t key_length = key.isUnspecified() ? 0 : key.getLength();
66 X && key_length;
67 if (X.isDeserializer()) key.setLength( key_length );
68 X && this->key;
69
70 // store number of values
71 uint16_t num_values = values.size();
72 X && num_values;
73
74 // value serialization
75 for (size_t i=0; i<num_values; i++) {
76 Data value;
77 if (X.isSerializer()) value = values[i];
78 uint16_t value_length = value.isUnspecified() ? 0 : value.getLength();
79 X && value_length;
80 if (X.isDeserializer()) value.setLength( value_length );
81 X && value;
82 if (X.isDeserializer()) values.push_back(value);
83 }
84} sznEnd();
85
86#endif /* DHTMESSAGE_H_ */
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