00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027
00028
00029
00030
00031
00032
00033
00034
00035
00036
00037
00038
00039
00040
00041
00042
00043
00044 #include "packmime_ranvar.h"
00045
00046 #ifndef OL_RANVAR_H
00047 #define OL_RANVAR_H
00048
00049 #define LOG2 0.6931471806
00050
00051 struct OL_arima_params {
00052 double d;
00053 int N;
00054 int pAR, qMA;
00055
00056 double varRatioParam0, varRatioParam1, varRatioParam2;
00057
00058 };
00059
00060 struct OL_weibull_params {
00061 double shapeParam0, shapeParam1, shapeParam2;
00062
00063 };
00064
00065
00066
00067 class PackMimeOLPacketSizeRandomVariable : public RandomVariable {
00068 private:
00069 double varRatio, sigmaNoise, sigmaEpsilon;
00070 int n_size_dist, *size_dist_left, *size_dist_right;
00071 double connum, bitrate, conbps, conpacrate;
00072 double *size_prob;
00073 double *cumsum_size_prob;
00074 char *pac_size_dist_file;
00075 FARIMA *fARIMA;
00076 RNG* myrng;
00077 virtual double value();
00078 virtual double avg();
00079 int transform(double p);
00080 void initialize();
00081 void init_dist();
00082 void read_dist();
00083 void bind_vars();
00084 static int def_size_dist_left[];
00085 static int def_size_dist_right[];
00086 static double def_size_prob[];
00087
00088 public:
00089 PackMimeOLPacketSizeRandomVariable();
00090 PackMimeOLPacketSizeRandomVariable(double bitrate);
00091 PackMimeOLPacketSizeRandomVariable(double bitrate, RNG* rng);
00092 PackMimeOLPacketSizeRandomVariable(double bitrate, RNG* rng,
00093 const char *pac_size_dist_file);
00094 ~PackMimeOLPacketSizeRandomVariable();
00095 };
00096
00097
00098
00099 class PackMimeOLPacketIARandomVariable : public RandomVariable {
00100 private:
00101 double varRatio, sigmaNoise, sigmaEpsilon;
00102 double shape, scale;
00103 double connum, bitrate, pacrate, conbps, conpacrate;
00104 FARIMA *fARIMA;
00105 RNG* myrng;
00106 RandomVariable *sizerng;
00107 virtual double value();
00108 virtual double avg();
00109 double transform(double p);
00110 void initialize();
00111 void bind_vars();
00112
00113 public:
00114 PackMimeOLPacketIARandomVariable();
00115 PackMimeOLPacketIARandomVariable(double bitrate_);
00116 PackMimeOLPacketIARandomVariable(double bitrate_, RNG* rng_);
00117 void setPktSizeRng(RandomVariable *sizerng_) {sizerng = sizerng_;};
00118 ~PackMimeOLPacketIARandomVariable();
00119 };
00120
00121
00122 #endif
00123
00124
00125
00126
00127