From 8898ad9b25fca6afe2374d293a981db02a83d7e9 Mon Sep 17 00:00:00 2001 From: "FWoltermann@gmail.com" Date: Thu, 31 May 2012 14:46:27 +0000 Subject: Committing the documentation to svn to have it accessible online --- Doc/doxygen/html/_net_gram_8cpp_source.html | 219 ++++++++++++++++++++++++++++ 1 file changed, 219 insertions(+) create mode 100644 Doc/doxygen/html/_net_gram_8cpp_source.html (limited to 'Doc/doxygen/html/_net_gram_8cpp_source.html') diff --git a/Doc/doxygen/html/_net_gram_8cpp_source.html b/Doc/doxygen/html/_net_gram_8cpp_source.html new file mode 100644 index 0000000..749c15f --- /dev/null +++ b/Doc/doxygen/html/_net_gram_8cpp_source.html @@ -0,0 +1,219 @@ + + + + + +Starshatter_Open: D:/SRC/StarshatterSVN/NetEx/NetGram.cpp Source File + + + + + + + + + + + + + +
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Starshatter_Open +
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Open source Starshatter engine
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NetGram.cpp
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+Go to the documentation of this file.
1 /* Project nGenEx
+
2  Destroyer Studios LLC
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3  Copyright © 1997-2004. All Rights Reserved.
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4 
+
5  SUBSYSTEM: NetEx.lib
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6  FILE: NetGram.cpp
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7  AUTHOR: John DiCamillo
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8 
+
9 
+
10  OVERVIEW
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11  ========
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12  Generic Network Packet (Datagram) Implementation
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13 */
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14 
+
15 
+
16 #include "MemDebug.h"
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17 #include "NetGram.h"
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18 #include "NetLayer.h"
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19 
+
20 // +-------------------------------------------------------------------+
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21 
+
22 static DWORD net_gram_sequence = 1;
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23 
+
24 // +-------------------------------------------------------------------+
+
25 
+
29 NetGram::NetGram()
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30  : retries(0), packet_id(0), send_time(0)
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31 { }
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32 
+
36 NetGram::NetGram(const NetAddr& src, Text msg)
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37  : addr(src), retries(0), send_time(0)
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38 {
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39  body = msg;
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40 
+
41  if (body.length() >= NET_GRAM_HEADER_SIZE) {
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42  BYTE* data = (BYTE*) body.data();
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43 
+
44  packet_id = (((DWORD) data[0]) << 24) +
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45  (((DWORD) data[1]) << 16) +
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46  (((DWORD) data[2]) << 8) +
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47  ((DWORD) data[3]);
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48  }
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49 }
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50 
+
54 NetGram::NetGram(const NetAddr& dst, Text user_data, int r)
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55  : addr(dst), retries(r)
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56 {
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57  send_time = NetLayer::GetTime();
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58  packet_id = net_gram_sequence++;
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59 
+
60  if (retries)
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61  packet_id |= NET_GRAM_RELIABLE;
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62 
+
63  static BYTE buf[NET_GRAM_MAX_SIZE];
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64  buf[0] = (BYTE) (packet_id >> 24) & 0xff;
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65  buf[1] = (BYTE) (packet_id >> 16) & 0xff;
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66  buf[2] = (BYTE) (packet_id >> 8) & 0xff;
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67  buf[3] = (BYTE) (packet_id) & 0xff;
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68 
+
69  int len = user_data.length();
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70  if (len >= NET_GRAM_MAX_SIZE - NET_GRAM_HEADER_SIZE)
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71  len = NET_GRAM_MAX_SIZE - NET_GRAM_HEADER_SIZE - 1;
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72 
+
73  CopyMemory(buf+NET_GRAM_HEADER_SIZE, user_data.data(), len);
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74 
+
75  body = Text((char*) buf, len+NET_GRAM_HEADER_SIZE);
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76 }
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77 
+
78 // +--------------------------------------------------------------------+
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79 
+
80 void
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81 NetGram::Retry()
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82 {
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83  if (retries > 0) {
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84  retries--;
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85  send_time = NetLayer::GetTime();
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86  }
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87 }
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88 
+
89 // +--------------------------------------------------------------------+
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90 
+
91 NetGram
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92 NetGram::Ack()
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93 {
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94  NetGram ack;
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95 
+
96  ack.packet_id = packet_id | NET_GRAM_ACK;
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97  ack.send_time = NetLayer::GetTime();
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98 
+
99  static BYTE buf[NET_GRAM_HEADER_SIZE];
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100  buf[0] = (BYTE) (ack.packet_id >> 24) & 0xff;
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101  buf[1] = (BYTE) (ack.packet_id >> 16) & 0xff;
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102  buf[2] = (BYTE) (ack.packet_id >> 8) & 0xff;
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103  buf[3] = (BYTE) (ack.packet_id) & 0xff;
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104 
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105  ack.body = Text((char*) buf, NET_GRAM_HEADER_SIZE);
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106 
+
107  return ack;
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108 }
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109 
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110 
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111 
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