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Add optional startup timeout while waiting for the initial federate connections #352

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Add optional startup timeout while waiting for the initial federate connections #352

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15 changes: 14 additions & 1 deletion src/startup_coordinator.c
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,10 @@
#define TRANSIENT_WAIT_TIME MSEC(250)
#endif

#ifndef STARTUP_TIMEOUT
#define STARTUP_TIMEOUT FOREVER
#endif

/**
* @brief Open connections to all neighbors. This function will block until all connections are established.
*/
Expand All @@ -34,6 +38,7 @@ static lf_ret_t StartupCoordinator_connect_to_neighbors_blocking(StartupCoordina

bool all_connected = false;
interval_t wait_before_retry = NEVER;
instant_t timeout_time = lf_time_add(self->env->get_physical_time(self->env), STARTUP_TIMEOUT);
while (!all_connected) {
// Wait time initialized to minimum value so we can find the maximum.
all_connected = true;
Expand All @@ -50,8 +55,16 @@ static lf_ret_t StartupCoordinator_connect_to_neighbors_blocking(StartupCoordina
}
}
if (!all_connected) {
// Check if startup timeout occurred
instant_t now = self->env->get_physical_time(self->env);
if (now > timeout_time) {
LF_ERR(FED, "%s: Timeout while establishing connections to %zu federated peers",
self->env->main->name,
env_fed->net_bundles_size);
return LF_ERR;
}
// This will release the critical section and allow other tasks to run.
self->env->wait_until(self->env, self->env->get_physical_time(self->env) + wait_before_retry);
self->env->wait_until(self->env, lf_time_add(self->env->get_physical_time(self->env), wait_before_retry));
}
}

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