root / src / message / MessageHeader.java @ 3
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1 | 3 | up20150644 | package message; |
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2 | |||
3 | public class MessageHeader { |
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4 | |||
5 | public static final String CRLF = "\r\n\r\n"; |
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6 | public static final int MESSAGE_HEADER_MAX_SIZE = 1000; |
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7 | |||
8 | private String messageType, version, fileId; |
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9 | private int senderId, chunkNo, replicaDeg; |
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10 | |||
11 | public MessageHeader(String rawHeader) { |
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12 | System.out.println("Messageheader: " + rawHeader); |
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13 | String[] sArray = rawHeader.trim().split(" "); |
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14 | this.messageType = sArray[0]; |
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15 | this.version = sArray[1]; |
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16 | this.senderId = Integer.parseInt(sArray[2]); |
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17 | this.fileId = sArray[3]; |
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18 | System.out.println("fileid: " + fileId); |
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19 | if (this.messageType.equals("PUTCHUNK") || this.messageType.equals("STORED") |
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20 | || this.messageType.equals("GETCHUNK") || this.messageType.equals("REMOVED") |
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21 | || this.messageType.equals("CHUNK")) { |
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22 | String cn = sArray[4].replaceAll("[^\\d]", ""); |
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23 | this.chunkNo = Integer.parseInt(cn); |
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24 | } |
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25 | if (this.messageType.equals("PUTCHUNK")) { |
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26 | String rep = sArray[5].replaceAll("[^\\d]", ""); |
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27 | this.replicaDeg = Integer.parseInt(rep); |
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28 | } |
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29 | } |
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30 | |||
31 | public MessageHeader(String messageType, String version, int senderId, String fileId, int chunkNo) |
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32 | throws InvalidHeaderParameters {
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33 | this.messageType = messageType;
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34 | if (this.messageType.equals("PUTCHUNK")) { |
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35 | throw new InvalidHeaderParameters(); |
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36 | } |
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37 | this.version = version;
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38 | this.senderId = senderId;
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39 | this.fileId = fileId;
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40 | this.chunkNo = chunkNo;
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41 | } |
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42 | |||
43 | public MessageHeader(String messageType, String version, int senderId, String fileId, int chunkNo, int replicaDeg) { |
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44 | this.messageType = messageType;
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45 | this.version = version;
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46 | this.senderId = senderId;
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47 | this.fileId = fileId;
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48 | this.chunkNo = chunkNo;
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49 | this.replicaDeg = replicaDeg;
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50 | } |
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51 | |||
52 | public MessageHeader(String messageType, String version, int senderId, String fileId) |
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53 | throws InvalidHeaderParameters {
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54 | this.messageType = messageType;
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55 | if (!this.messageType.equals("DELETE")) { |
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56 | throw new InvalidHeaderParameters(); |
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57 | } |
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58 | this.version = version;
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59 | this.senderId = senderId;
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60 | this.fileId = fileId;
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61 | } |
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62 | |||
63 | public String getMessageType() { |
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64 | return this.messageType; |
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65 | } |
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66 | |||
67 | public String getVersion() { |
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68 | return this.version; |
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69 | } |
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70 | |||
71 | public int getSenderId() { |
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72 | return this.senderId; |
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73 | } |
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74 | |||
75 | public String getFileId() { |
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76 | return this.fileId; |
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77 | } |
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78 | |||
79 | public int getChunkNo() { |
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80 | return this.chunkNo; |
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81 | } |
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82 | |||
83 | public int getReplicaDeg() { |
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84 | return this.replicaDeg; |
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85 | } |
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86 | |||
87 | @Override
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88 | public String toString() { |
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89 | switch (messageType) {
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90 | case "GETCHUNK": |
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91 | return this.messageType + " " + this.version + " " + Integer.toString(this.senderId) + " " + this.fileId |
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92 | + " " + Integer.toString(this.chunkNo) + CRLF; |
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93 | case "PUTCHUNK": |
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94 | return this.messageType + " " + this.version + " " + Integer.toString(this.senderId) + " " + this.fileId |
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95 | + " " + Integer.toString(this.chunkNo) + " " + Integer.toString(this.replicaDeg) + CRLF; |
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96 | case "STORED": |
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97 | return this.messageType + " " + this.version + " " + Integer.toString(this.senderId) + " " + this.fileId |
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98 | + " " + Integer.toString(this.chunkNo) + CRLF; |
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99 | case "CHUNK": |
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100 | return this.messageType + " " + this.version + " " + Integer.toString(this.senderId) + " " + this.fileId |
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101 | + " " + Integer.toString(this.chunkNo) + CRLF; |
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102 | case "DELETE": |
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103 | return this.messageType + " " + this.version + " " + Integer.toString(this.senderId) + " " + this.fileId |
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104 | + CRLF; |
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105 | case "REMOVED": |
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106 | return this.messageType + " " + this.version + " " + Integer.toString(this.senderId) + " " + this.fileId |
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107 | + " " + Integer.toString(this.chunkNo) + CRLF; |
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108 | default:
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109 | return ""; |
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110 | |||
111 | } |
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112 | } |
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113 | } |