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-rw-r--r--src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc5
-rw-r--r--src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc16
-rw-r--r--src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc5
-rw-r--r--src/core/lib/security/transport/security_handshaker.cc45
-rw-r--r--src/core/lib/support/cpu_linux.cc10
5 files changed, 51 insertions, 30 deletions
diff --git a/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc
index e9bef8a921..ad9a2bb83b 100644
--- a/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc
+++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/grpclb.cc
@@ -1342,6 +1342,9 @@ static void client_load_report_done_locked(grpc_exec_ctx* exec_ctx, void* arg,
glb_policy->client_load_report_timer_pending = false;
GRPC_LB_POLICY_WEAK_UNREF(exec_ctx, &glb_policy->base,
"client_load_report");
+ if (glb_policy->lb_call == nullptr) {
+ maybe_restart_lb_call(exec_ctx, glb_policy);
+ }
return;
}
schedule_next_client_load_report(exec_ctx, glb_policy);
@@ -1751,7 +1754,7 @@ static void fallback_update_locked(grpc_exec_ctx* exec_ctx,
grpc_lb_addresses_destroy(exec_ctx, glb_policy->fallback_backend_addresses);
glb_policy->fallback_backend_addresses =
extract_backend_addresses_locked(exec_ctx, addresses);
- if (glb_policy->lb_fallback_timeout_ms > 0 &&
+ if (glb_policy->started_picking && glb_policy->lb_fallback_timeout_ms > 0 &&
!glb_policy->fallback_timer_active) {
rr_handover_locked(exec_ctx, glb_policy);
}
diff --git a/src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc b/src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc
index caa6aee9a6..dbd4754e87 100644
--- a/src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc
+++ b/src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc
@@ -305,20 +305,20 @@ static void pf_update_locked(grpc_exec_ctx* exec_ctx, grpc_lb_policy* policy,
p, p->selected->subchannel, i,
subchannel_list->num_subchannels);
}
- grpc_lb_subchannel_list_ref_for_connectivity_watch(
- subchannel_list, "connectivity_watch+replace_selected");
- grpc_lb_subchannel_data_start_connectivity_watch(exec_ctx, sd);
- if (p->subchannel_list != nullptr) {
- grpc_lb_subchannel_list_shutdown_and_unref(
- exec_ctx, p->subchannel_list, "pf_update_includes_selected");
- }
- p->subchannel_list = subchannel_list;
if (p->selected->connected_subchannel != nullptr) {
sd->connected_subchannel = GRPC_CONNECTED_SUBCHANNEL_REF(
p->selected->connected_subchannel, "pf_update_includes_selected");
}
p->selected = sd;
+ if (p->subchannel_list != nullptr) {
+ grpc_lb_subchannel_list_shutdown_and_unref(
+ exec_ctx, p->subchannel_list, "pf_update_includes_selected");
+ }
+ p->subchannel_list = subchannel_list;
destroy_unselected_subchannels_locked(exec_ctx, p);
+ grpc_lb_subchannel_list_ref_for_connectivity_watch(
+ subchannel_list, "connectivity_watch+replace_selected");
+ grpc_lb_subchannel_data_start_connectivity_watch(exec_ctx, sd);
// If there was a previously pending update (which may or may
// not have contained the currently selected subchannel), drop
// it, so that it doesn't override what we've done here.
diff --git a/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc
index 7271559432..7846576c11 100644
--- a/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc
+++ b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc
@@ -431,7 +431,10 @@ static grpc_ares_request* grpc_dns_lookup_ares_impl(
}
if (service_config_json != nullptr) {
grpc_ares_request_ref(r);
- ares_search(*channel, hr->host, ns_c_in, ns_t_txt, on_txt_done_cb, r);
+ char* config_name;
+ gpr_asprintf(&config_name, "_grpc_config.%s", host);
+ ares_search(*channel, config_name, ns_c_in, ns_t_txt, on_txt_done_cb, r);
+ gpr_free(config_name);
}
/* TODO(zyc): Handle CNAME records here. */
grpc_ares_ev_driver_start(exec_ctx, r->ev_driver);
diff --git a/src/core/lib/security/transport/security_handshaker.cc b/src/core/lib/security/transport/security_handshaker.cc
index c540445792..7067b70cb6 100644
--- a/src/core/lib/security/transport/security_handshaker.cc
+++ b/src/core/lib/security/transport/security_handshaker.cc
@@ -65,6 +65,25 @@ typedef struct {
tsi_handshaker_result* handshaker_result;
} security_handshaker;
+static size_t move_read_buffer_into_handshake_buffer(grpc_exec_ctx* exec_ctx,
+ security_handshaker* h) {
+ size_t bytes_in_read_buffer = h->args->read_buffer->length;
+ if (h->handshake_buffer_size < bytes_in_read_buffer) {
+ h->handshake_buffer =
+ (uint8_t*)gpr_realloc(h->handshake_buffer, bytes_in_read_buffer);
+ h->handshake_buffer_size = bytes_in_read_buffer;
+ }
+ size_t offset = 0;
+ while (h->args->read_buffer->count > 0) {
+ grpc_slice next_slice = grpc_slice_buffer_take_first(h->args->read_buffer);
+ memcpy(h->handshake_buffer + offset, GRPC_SLICE_START_PTR(next_slice),
+ GRPC_SLICE_LENGTH(next_slice));
+ offset += GRPC_SLICE_LENGTH(next_slice);
+ grpc_slice_unref_internal(exec_ctx, next_slice);
+ }
+ return bytes_in_read_buffer;
+}
+
static void security_handshaker_unref(grpc_exec_ctx* exec_ctx,
security_handshaker* h) {
if (gpr_unref(&h->refs)) {
@@ -177,8 +196,6 @@ static void on_peer_checked_inner(grpc_exec_ctx* exec_ctx,
}
tsi_handshaker_result_destroy(h->handshaker_result);
h->handshaker_result = nullptr;
- // Clear out the read buffer before it gets passed to the transport.
- grpc_slice_buffer_reset_and_unref_internal(exec_ctx, h->args->read_buffer);
// Add auth context to channel args.
grpc_arg auth_context_arg = grpc_auth_context_to_arg(h->auth_context);
grpc_channel_args* tmp_args = h->args->args;
@@ -312,23 +329,8 @@ static void on_handshake_data_received_from_peer(grpc_exec_ctx* exec_ctx,
return;
}
// Copy all slices received.
- size_t i;
- size_t bytes_received_size = 0;
- for (i = 0; i < h->args->read_buffer->count; i++) {
- bytes_received_size += GRPC_SLICE_LENGTH(h->args->read_buffer->slices[i]);
- }
- if (bytes_received_size > h->handshake_buffer_size) {
- h->handshake_buffer =
- (uint8_t*)gpr_realloc(h->handshake_buffer, bytes_received_size);
- h->handshake_buffer_size = bytes_received_size;
- }
- size_t offset = 0;
- for (i = 0; i < h->args->read_buffer->count; i++) {
- size_t slice_size = GPR_SLICE_LENGTH(h->args->read_buffer->slices[i]);
- memcpy(h->handshake_buffer + offset,
- GRPC_SLICE_START_PTR(h->args->read_buffer->slices[i]), slice_size);
- offset += slice_size;
- }
+ size_t bytes_received_size =
+ move_read_buffer_into_handshake_buffer(exec_ctx, h);
// Call TSI handshaker.
error = do_handshaker_next_locked(exec_ctx, h, h->handshake_buffer,
bytes_received_size);
@@ -405,7 +407,10 @@ static void security_handshaker_do_handshake(grpc_exec_ctx* exec_ctx,
h->args = args;
h->on_handshake_done = on_handshake_done;
gpr_ref(&h->refs);
- grpc_error* error = do_handshaker_next_locked(exec_ctx, h, nullptr, 0);
+ size_t bytes_received_size =
+ move_read_buffer_into_handshake_buffer(exec_ctx, h);
+ grpc_error* error = do_handshaker_next_locked(
+ exec_ctx, h, h->handshake_buffer, bytes_received_size);
if (error != GRPC_ERROR_NONE) {
security_handshake_failed_locked(exec_ctx, h, error);
gpr_mu_unlock(&h->mu);
diff --git a/src/core/lib/support/cpu_linux.cc b/src/core/lib/support/cpu_linux.cc
index 2280668442..21b1a71dc9 100644
--- a/src/core/lib/support/cpu_linux.cc
+++ b/src/core/lib/support/cpu_linux.cc
@@ -36,6 +36,13 @@
static int ncpus = 0;
static void init_num_cpus() {
+#ifndef GPR_MUSL_LIBC_COMPAT
+ if (sched_getcpu() < 0) {
+ gpr_log(GPR_ERROR, "Error determining current CPU: %s\n", strerror(errno));
+ ncpus = 1;
+ return;
+ }
+#endif
/* This must be signed. sysconf returns -1 when the number cannot be
determined */
ncpus = (int)sysconf(_SC_NPROCESSORS_ONLN);
@@ -56,6 +63,9 @@ unsigned gpr_cpu_current_cpu(void) {
// sched_getcpu() is undefined on musl
return 0;
#else
+ if (gpr_cpu_num_cores() == 1) {
+ return 0;
+ }
int cpu = sched_getcpu();
if (cpu < 0) {
gpr_log(GPR_ERROR, "Error determining current CPU: %s\n", strerror(errno));