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-rw-r--r--src/core/lib/backoff/backoff.cc23
1 files changed, 14 insertions, 9 deletions
diff --git a/src/core/lib/backoff/backoff.cc b/src/core/lib/backoff/backoff.cc
index 41f625a636..d561fc7460 100644
--- a/src/core/lib/backoff/backoff.cc
+++ b/src/core/lib/backoff/backoff.cc
@@ -41,18 +41,20 @@ double generate_uniform_random_number_between(uint32_t* rng_state, double a,
const double range = b - a;
return a + generate_uniform_random_number(rng_state) * range;
}
-} // namespace
-BackOff::BackOff(const Options& options) : options_(options) {
- rng_state_ = static_cast<uint32_t>(gpr_now(GPR_CLOCK_REALTIME).tv_nsec);
-}
+} // namespace
-grpc_millis BackOff::Begin() {
- current_backoff_ = options_.initial_backoff();
- return current_backoff_ + grpc_core::ExecCtx::Get()->Now();
+BackOff::BackOff(const Options& options)
+ : options_(options),
+ rng_state_(static_cast<uint32_t>(gpr_now(GPR_CLOCK_REALTIME).tv_nsec)) {
+ Reset();
}
-grpc_millis BackOff::Step() {
+grpc_millis BackOff::NextAttemptTime() {
+ if (initial_) {
+ initial_ = false;
+ return current_backoff_ + grpc_core::ExecCtx::Get()->Now();
+ }
current_backoff_ =
(grpc_millis)(std::min(current_backoff_ * options_.multiplier(),
(double)options_.max_backoff()));
@@ -63,7 +65,10 @@ grpc_millis BackOff::Step() {
return next_timeout + grpc_core::ExecCtx::Get()->Now();
}
-void BackOff::Reset() { current_backoff_ = options_.initial_backoff(); }
+void BackOff::Reset() {
+ current_backoff_ = options_.initial_backoff();
+ initial_ = true;
+}
void BackOff::SetRandomSeed(uint32_t seed) { rng_state_ = seed; }