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00049 #if !defined(_G1050_H_)
00050 #define _G1050_H_
00051
00052
00053 #define G1050_TICKS_PER_SEC 1000
00054
00055
00056 #define SEARCHBACK_PERIOD 200
00057
00058 #define G1050_LOW_LOSS 0
00059 #define G1050_HIGH_LOSS 1
00060
00061 #define G1050_LAN_LINK 1
00062 #define G1050_ACCESS_LINK 2
00063
00064
00065 typedef struct
00066 {
00067
00068 double prob_loss_rate_change[2];
00069
00070 double prob_impulse[2][2];
00071
00072
00073 double impulse_height;
00074
00075 double impulse_coeff;
00076
00077
00078 double prob_packet_loss;
00079
00080 double prob_packet_collision_loss;
00081 } g1050_segment_constants_t;
00082
00083
00084 typedef struct
00085 {
00086 g1050_segment_constants_t segment[4];
00087 } g1050_constants_t;
00088
00089
00090 typedef struct
00091 {
00092
00093 double percentage_occupancy;
00094
00095 int mtu;
00096 } g1050_segment_model_t;
00097
00098
00099 typedef struct
00100 {
00101
00102 double base_delay;
00103
00104 double percentage_packet_loss;
00105
00106 double max_jitter;
00107
00108 double route_flap_interval;
00109
00110 double route_flap_delay;
00111
00112 double link_failure_interval;
00113
00114 double link_failure_duration;
00115
00116 double prob_packet_loss;
00117
00118 double prob_oos;
00119 } g1050_core_model_t;
00120
00121
00122 typedef struct
00123 {
00124
00125 int loo[3];
00126 g1050_segment_model_t sidea_lan;
00127 g1050_segment_model_t sidea_access_link;
00128 g1050_core_model_t core;
00129 g1050_segment_model_t sideb_access_link;
00130 g1050_segment_model_t sideb_lan;
00131 } g1050_model_t;
00132
00133
00134 typedef struct
00135 {
00136 int sidea_lan_bit_rate;
00137 int sidea_lan_multiple_access;
00138 int sidea_access_link_bit_rate_ab;
00139 int sidea_access_link_bit_rate_ba;
00140 int sidea_access_link_qos_enabled;
00141 int sideb_lan_bit_rate;
00142 int sideb_lan_multiple_access;
00143 int sideb_access_link_bit_rate_ab;
00144 int sideb_access_link_bit_rate_ba;
00145 int sideb_access_link_qos_enabled;
00146 double loo;
00147 } g1050_channel_speeds_t;
00148
00149
00150 typedef struct
00151 {
00152
00153 int link_type;
00154
00155 int high_loss;
00156
00157
00158 double prob_loss_rate_change[2];
00159
00160 double prob_impulse[2];
00161
00162
00163 double impulse_height;
00164
00165 double impulse_coeff;
00166
00167
00168 double prob_packet_loss;
00169
00170 double prob_packet_collision_loss;
00171
00172 double serial_delay;
00173
00174 double congestion_delay;
00175
00176
00177 int qos_enabled;
00178
00179 int multiple_access;
00180
00181
00182 double last_arrival_time;
00183
00184
00185 double delays[3*G1050_TICKS_PER_SEC];
00186
00187
00188 uint32_t lost_packets;
00189
00190 uint32_t lost_packets_2;
00191 } g1050_segment_state_t;
00192
00193
00194 typedef struct
00195 {
00196
00197 int32_t route_flap_counter;
00198 int32_t route_flap_interval;
00199 double route_flap_delta;
00200
00201
00202 int32_t link_failure_counter;
00203 int32_t link_recovery_counter;
00204
00205 int32_t link_failure_interval_ticks;
00206 int32_t link_failure_duration_ticks;
00207
00208
00209 double base_delay;
00210
00211 double jitter;
00212
00213 double prob_packet_loss;
00214
00215 double prob_oos;
00216
00217
00218 double last_arrival_time;
00219 double delay_delta;
00220
00221
00222 double delays[3*G1050_TICKS_PER_SEC];
00223
00224
00225 uint32_t lost_packets;
00226
00227 uint32_t lost_packets_2;
00228 } g1050_core_state_t;
00229
00230
00231 typedef struct g1050_queue_element_s
00232 {
00233 struct g1050_queue_element_s *next;
00234 struct g1050_queue_element_s *prev;
00235 int seq_no;
00236 double departure_time;
00237 double arrival_time;
00238 int len;
00239 uint8_t pkt[0];
00240 } g1050_queue_element_t;
00241
00242
00243 typedef struct
00244 {
00245 int packet_rate;
00246 int packet_size;
00247 float base_time;
00248 g1050_segment_state_t segment[4];
00249 g1050_core_state_t core;
00250 double arrival_times_1[3*G1050_TICKS_PER_SEC];
00251 double arrival_times_2[3*G1050_TICKS_PER_SEC];
00252 g1050_queue_element_t *first;
00253 g1050_queue_element_t *last;
00254 } g1050_state_t;
00255
00256 extern g1050_constants_t g1050_constants[1];
00257 extern g1050_channel_speeds_t g1050_speed_patterns[133];
00258 extern g1050_model_t g1050_standard_models[9];
00259
00260 #ifdef __cplusplus
00261 extern "C"
00262 {
00263 #endif
00264
00265 g1050_state_t *g1050_init(int model,
00266 int speed_pattern,
00267 int packet_size,
00268 int packet_rate);
00269
00270 void g1050_dump_parms(int model, int speed_pattern);
00271
00272 int g1050_put(g1050_state_t *s,
00273 const uint8_t buf[],
00274 int len,
00275 int seq_no,
00276 double departure_time);
00277
00278 int g1050_get(g1050_state_t *s,
00279 uint8_t buf[],
00280 int max_len,
00281 double current_time,
00282 int *seq_no,
00283 double *departure_time,
00284 double *arrival_time);
00285
00286 void g1050_queue_dump(g1050_state_t *s);
00287
00288 #ifdef __cplusplus
00289 }
00290 #endif
00291
00292 #endif
00293