g1050.h
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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
00097 double max_jitter;
00098 } g1050_segment_model_t;
00099
00100
00101 typedef struct
00102 {
00103
00104 double base_regional_delay;
00105
00106 double base_intercontinental_delay;
00107
00108
00109 double percentage_packet_loss;
00110
00111 double max_jitter;
00112
00113 double route_flap_interval;
00114
00115 double route_flap_delay;
00116
00117 double link_failure_interval;
00118
00119 double link_failure_duration;
00120
00121 double prob_packet_loss;
00122
00123 double prob_oos;
00124 } g1050_core_model_t;
00125
00126
00127 typedef struct
00128 {
00129
00130 int loo[3];
00131 g1050_segment_model_t sidea_lan;
00132 g1050_segment_model_t sidea_access_link;
00133 g1050_core_model_t core;
00134 g1050_segment_model_t sideb_access_link;
00135 g1050_segment_model_t sideb_lan;
00136 } g1050_model_t;
00137
00138
00139 typedef struct
00140 {
00141 int sidea_lan_bit_rate;
00142 int sidea_lan_multiple_access;
00143 int sidea_access_link_bit_rate_ab;
00144 int sidea_access_link_bit_rate_ba;
00145 int sidea_access_link_qos_enabled;
00146 int sideb_lan_bit_rate;
00147 int sideb_lan_multiple_access;
00148 int sideb_access_link_bit_rate_ab;
00149 int sideb_access_link_bit_rate_ba;
00150 int sideb_access_link_qos_enabled;
00151 double loo;
00152 } g1050_channel_speeds_t;
00153
00154
00155 typedef struct
00156 {
00157
00158 int link_type;
00159
00160 int high_loss;
00161
00162
00163 double prob_loss_rate_change[2];
00164
00165 double prob_impulse[2];
00166
00167
00168 double impulse_height;
00169
00170 double impulse_coeff;
00171
00172
00173 double serial_delay;
00174
00175 double max_jitter;
00176
00177 double prob_packet_loss;
00178
00179 double prob_packet_collision_loss;
00180
00181 double congestion_delay;
00182
00183
00184 int qos_enabled;
00185
00186 int multiple_access;
00187
00188
00189 double last_arrival_time;
00190
00191
00192 double delays[3*G1050_TICKS_PER_SEC];
00193
00194
00195 uint32_t lost_packets;
00196
00197 uint32_t lost_packets_2;
00198 } g1050_segment_state_t;
00199
00200
00201 typedef struct
00202 {
00203
00204 int32_t route_flap_counter;
00205 int32_t route_flap_interval;
00206 double route_flap_delta;
00207
00208
00209 int32_t link_failure_counter;
00210 int32_t link_recovery_counter;
00211
00212 int32_t link_failure_interval_ticks;
00213 int32_t link_failure_duration_ticks;
00214
00215
00216 double base_delay;
00217
00218 double max_jitter;
00219
00220 double prob_packet_loss;
00221
00222 double prob_oos;
00223
00224
00225 double last_arrival_time;
00226 double delay_delta;
00227
00228
00229 double delays[3*G1050_TICKS_PER_SEC];
00230
00231
00232 uint32_t lost_packets;
00233
00234 uint32_t lost_packets_2;
00235 } g1050_core_state_t;
00236
00237
00238 typedef struct g1050_queue_element_s
00239 {
00240 struct g1050_queue_element_s *next;
00241 struct g1050_queue_element_s *prev;
00242 int seq_no;
00243 double departure_time;
00244 double arrival_time;
00245 int len;
00246 uint8_t pkt[];
00247 } g1050_queue_element_t;
00248
00249
00250 typedef struct
00251 {
00252 int packet_rate;
00253 int packet_size;
00254 float base_time;
00255 g1050_segment_state_t segment[4];
00256 g1050_core_state_t core;
00257 double arrival_times_1[3*G1050_TICKS_PER_SEC];
00258 double arrival_times_2[3*G1050_TICKS_PER_SEC];
00259 g1050_queue_element_t *first;
00260 g1050_queue_element_t *last;
00261 } g1050_state_t;
00262
00263 extern g1050_constants_t g1050_constants[1];
00264 extern g1050_channel_speeds_t g1050_speed_patterns[133];
00265 extern g1050_model_t g1050_standard_models[9];
00266
00267 #ifdef __cplusplus
00268 extern "C"
00269 {
00270 #endif
00271
00272 g1050_state_t *g1050_init(int model,
00273 int speed_pattern,
00274 int packet_size,
00275 int packet_rate);
00276
00277 void g1050_dump_parms(int model, int speed_pattern);
00278
00279 int g1050_put(g1050_state_t *s,
00280 const uint8_t buf[],
00281 int len,
00282 int seq_no,
00283 double departure_time);
00284
00285 int g1050_get(g1050_state_t *s,
00286 uint8_t buf[],
00287 int max_len,
00288 double current_time,
00289 int *seq_no,
00290 double *departure_time,
00291 double *arrival_time);
00292
00293 void g1050_queue_dump(g1050_state_t *s);
00294
00295 #ifdef __cplusplus
00296 }
00297 #endif
00298
00299 #endif
00300