Add cc options to simulation specification

Author: huitema

picoquictest/cc_compete_test.c

@@ -225,16 +225,19 @@ int cc_ns_low_and_up_test()
     return picoquic_ns(&spec);
 }
 
-/* Check that the picoquic_ns simulations can correctly test the low_and_up scenario.
+/* Check that the picoquic_ns simulations can correctly test the wifi fade scenario.
+* also check the cc options are handled as expected.
  */
 int cc_ns_wifi_fade_test()
 {
     picoquic_ns_spec_t spec = { 0 };
     picoquic_connection_id_t icid = { { 0xcc, 0xff, 0xbb, 0, 0, 0, 0, 0}, 8 };
     spec.main_cc_algo = picoquic_bbr_algorithm;
+    spec.main_cc_options = "T50000";
     spec.main_start_time = 0;
     spec.main_scenario_text = cc_compete_batch_scenario_4M;
     spec.background_cc_algo = picoquic_bbr_algorithm;
+    spec.background_cc_options = "T50000";
     spec.background_start_time = 0;
     spec.background_scenario_text = cc_compete_batch_scenario_10M;
     spec.nb_connections = 1;

picoquictest/picoquic_ns.c

@@ -102,6 +102,7 @@ typedef struct st_picoquic_ns_client_t {
     uint64_t start_time;
     picoquic_cnx_t* cnx;
     picoquic_congestion_algorithm_t* cc_algo;
+    char const* cc_option_string;
     quicperf_ctx_t* quicperf_ctx;
     picoquic_connection_id_t icid;
 } picoquic_ns_client_t;
@@ -143,7 +144,7 @@ int picoquic_ns_server_callback(picoquic_cnx_t* cnx,
             if (cc_ctx->client_ctx[i]->cnx != NULL &&
                 picoquic_compare_connection_id(&cnx->path[0]->p_remote_cnxid->cnx_id,
                     &cc_ctx->client_ctx[i]->cnx->path[0]->p_local_cnxid->cnx_id) == 0) {
-                picoquic_set_congestion_algorithm(cnx, cc_ctx->client_ctx[i]->cc_algo);
+                picoquic_set_congestion_algorithm_ex(cnx, cc_ctx->client_ctx[i]->cc_algo, cc_ctx->client_ctx[i]->cc_option_string);
                 ret = 0;
             }
         }
@@ -194,11 +195,13 @@ int picoquic_ns_create_client_ctx(picoquic_ns_ctx_t* cc_ctx, picoquic_ns_spec_t*
         if (client_id == 0) {
             client_ctx->start_time = spec->main_start_time;
             client_ctx->cc_algo = spec->main_cc_algo;
+            client_ctx->cc_option_string = spec->main_cc_options;
             scenario_text = spec->main_scenario_text;
         }
         else {
             client_ctx->start_time = spec->background_start_time;
             client_ctx->cc_algo = spec->background_cc_algo;
+            client_ctx->cc_option_string = spec->background_cc_options;
             scenario_text = spec->background_scenario_text;
         }
         if ((client_ctx->quicperf_ctx = quicperf_create_ctx(scenario_text)) == NULL) {
@@ -584,7 +587,7 @@ int picoquic_ns_start_connection(picoquic_ns_ctx_t* cc_ctx, int cnx_id)
         ret = -1;
     }
     else {
-        picoquic_set_congestion_algorithm(cc_ctx->client_ctx[cnx_id]->cnx, cc_ctx->client_ctx[cnx_id]->cc_algo);
+        picoquic_set_congestion_algorithm_ex(cc_ctx->client_ctx[cnx_id]->cnx, cc_ctx->client_ctx[cnx_id]->cc_algo, cc_ctx->client_ctx[cnx_id]->cc_option_string);
         picoquic_set_callback(cc_ctx->client_ctx[cnx_id]->cnx, quicperf_callback,
             cc_ctx->client_ctx[cnx_id]->quicperf_ctx);
         cc_ctx->client_ctx[cnx_id]->cnx->local_parameters.max_datagram_frame_size = 1532;

picoquictest/picoquic_ns.h

@@ -62,7 +62,9 @@ typedef struct st_picoquic_ns_spec_t {
     const char* main_scenario_text;
     const char* background_scenario_text;
     picoquic_congestion_algorithm_t* main_cc_algo;
+    char const* main_cc_options;
     picoquic_congestion_algorithm_t* background_cc_algo;
+    char const* background_cc_options;
     int nb_connections;
     double data_rate_in_gbps; /* datarate, server to clients, defaults to 10 mbps */
     double data_rate_up_in_gbps; /* datarate, server to clients, defaults to data rate */