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Diffstat (limited to 'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc')
-rw-r--r--src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc60
1 files changed, 30 insertions, 30 deletions
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 9408b9d81d..7271559432 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
@@ -102,7 +102,7 @@ static void grpc_ares_request_unref(grpc_exec_ctx* exec_ctx,
request */
if (gpr_unref(&r->pending_queries)) {
/* TODO(zyc): Sort results with RFC6724 before invoking on_done. */
- if (exec_ctx == NULL) {
+ if (exec_ctx == nullptr) {
/* A new exec_ctx is created here, as the c-ares interface does not
provide one in ares_host_callback. It's safe to schedule on_done with
the newly created exec_ctx, since the caller has been warned not to
@@ -150,12 +150,12 @@ static void on_hostbyname_done_cb(void* arg, int status, int timeouts,
r->error = GRPC_ERROR_NONE;
r->success = true;
grpc_lb_addresses** lb_addresses = r->lb_addrs_out;
- if (*lb_addresses == NULL) {
- *lb_addresses = grpc_lb_addresses_create(0, NULL);
+ if (*lb_addresses == nullptr) {
+ *lb_addresses = grpc_lb_addresses_create(0, nullptr);
}
size_t prev_naddr = (*lb_addresses)->num_addresses;
size_t i;
- for (i = 0; hostent->h_addr_list[i] != NULL; i++) {
+ for (i = 0; hostent->h_addr_list[i] != nullptr; i++) {
}
(*lb_addresses)->num_addresses += i;
(*lb_addresses)->addresses = (grpc_lb_address*)gpr_realloc(
@@ -174,8 +174,8 @@ static void on_hostbyname_done_cb(void* arg, int status, int timeouts,
grpc_lb_addresses_set_address(
*lb_addresses, i, &addr, addr_len,
hr->is_balancer /* is_balancer */,
- hr->is_balancer ? hr->host : NULL /* balancer_name */,
- NULL /* user_data */);
+ hr->is_balancer ? hr->host : nullptr /* balancer_name */,
+ nullptr /* user_data */);
char output[INET6_ADDRSTRLEN];
ares_inet_ntop(AF_INET6, &addr.sin6_addr, output, INET6_ADDRSTRLEN);
gpr_log(GPR_DEBUG,
@@ -195,8 +195,8 @@ static void on_hostbyname_done_cb(void* arg, int status, int timeouts,
grpc_lb_addresses_set_address(
*lb_addresses, i, &addr, addr_len,
hr->is_balancer /* is_balancer */,
- hr->is_balancer ? hr->host : NULL /* balancer_name */,
- NULL /* user_data */);
+ hr->is_balancer ? hr->host : nullptr /* balancer_name */,
+ nullptr /* user_data */);
char output[INET_ADDRSTRLEN];
ares_inet_ntop(AF_INET, &addr.sin_addr, output, INET_ADDRSTRLEN);
gpr_log(GPR_DEBUG,
@@ -220,7 +220,7 @@ static void on_hostbyname_done_cb(void* arg, int status, int timeouts,
}
}
gpr_mu_unlock(&r->mu);
- destroy_hostbyname_request(NULL, hr);
+ destroy_hostbyname_request(nullptr, hr);
}
static void on_srv_query_done_cb(void* arg, int status, int timeouts,
@@ -234,7 +234,7 @@ static void on_srv_query_done_cb(void* arg, int status, int timeouts,
const int parse_status = ares_parse_srv_reply(abuf, alen, &reply);
if (parse_status == ARES_SUCCESS) {
ares_channel* channel = grpc_ares_ev_driver_get_channel(r->ev_driver);
- for (struct ares_srv_reply* srv_it = reply; srv_it != NULL;
+ for (struct ares_srv_reply* srv_it = reply; srv_it != nullptr;
srv_it = srv_it->next) {
if (grpc_ipv6_loopback_available()) {
grpc_ares_hostbyname_request* hr = create_hostbyname_request(
@@ -249,7 +249,7 @@ static void on_srv_query_done_cb(void* arg, int status, int timeouts,
grpc_ares_ev_driver_start(&exec_ctx, r->ev_driver);
}
}
- if (reply != NULL) {
+ if (reply != nullptr) {
ares_free_data(reply);
}
} else if (!r->success) {
@@ -276,15 +276,15 @@ static void on_txt_done_cb(void* arg, int status, int timeouts,
char* error_msg;
grpc_ares_request* r = (grpc_ares_request*)arg;
const size_t prefix_len = sizeof(g_service_config_attribute_prefix) - 1;
- struct ares_txt_ext* result = NULL;
- struct ares_txt_ext* reply = NULL;
+ struct ares_txt_ext* result = nullptr;
+ struct ares_txt_ext* reply = nullptr;
grpc_error* error = GRPC_ERROR_NONE;
gpr_mu_lock(&r->mu);
if (status != ARES_SUCCESS) goto fail;
status = ares_parse_txt_reply_ext(buf, len, &reply);
if (status != ARES_SUCCESS) goto fail;
// Find service config in TXT record.
- for (result = reply; result != NULL; result = result->next) {
+ for (result = reply; result != nullptr; result = result->next) {
if (result->record_start &&
memcmp(result->txt, g_service_config_attribute_prefix, prefix_len) ==
0) {
@@ -292,12 +292,12 @@ static void on_txt_done_cb(void* arg, int status, int timeouts,
}
}
// Found a service config record.
- if (result != NULL) {
+ if (result != nullptr) {
size_t service_config_len = result->length - prefix_len;
*r->service_config_json_out = (char*)gpr_malloc(service_config_len + 1);
memcpy(*r->service_config_json_out, result->txt + prefix_len,
service_config_len);
- for (result = result->next; result != NULL && !result->record_start;
+ for (result = result->next; result != nullptr && !result->record_start;
result = result->next) {
*r->service_config_json_out = (char*)gpr_realloc(
*r->service_config_json_out, service_config_len + result->length + 1);
@@ -323,7 +323,7 @@ fail:
}
done:
gpr_mu_unlock(&r->mu);
- grpc_ares_request_unref(NULL, r);
+ grpc_ares_request_unref(nullptr, r);
}
static grpc_ares_request* grpc_dns_lookup_ares_impl(
@@ -332,9 +332,9 @@ static grpc_ares_request* grpc_dns_lookup_ares_impl(
grpc_closure* on_done, grpc_lb_addresses** addrs, bool check_grpclb,
char** service_config_json) {
grpc_error* error = GRPC_ERROR_NONE;
- grpc_ares_hostbyname_request* hr = NULL;
- grpc_ares_request* r = NULL;
- ares_channel* channel = NULL;
+ grpc_ares_hostbyname_request* hr = nullptr;
+ grpc_ares_request* r = nullptr;
+ ares_channel* channel = nullptr;
/* TODO(zyc): Enable tracing after #9603 is checked in */
/* if (grpc_dns_trace) {
gpr_log(GPR_DEBUG, "resolve_address (blocking): name=%s, default_port=%s",
@@ -345,13 +345,13 @@ static grpc_ares_request* grpc_dns_lookup_ares_impl(
char* host;
char* port;
gpr_split_host_port(name, &host, &port);
- if (host == NULL) {
+ if (host == nullptr) {
error = grpc_error_set_str(
GRPC_ERROR_CREATE_FROM_STATIC_STRING("unparseable host:port"),
GRPC_ERROR_STR_TARGET_ADDRESS, grpc_slice_from_copied_string(name));
goto error_cleanup;
- } else if (port == NULL) {
- if (default_port == NULL) {
+ } else if (port == nullptr) {
+ if (default_port == nullptr) {
error = grpc_error_set_str(
GRPC_ERROR_CREATE_FROM_STATIC_STRING("no port in name"),
GRPC_ERROR_STR_TARGET_ADDRESS, grpc_slice_from_copied_string(name));
@@ -375,7 +375,7 @@ static grpc_ares_request* grpc_dns_lookup_ares_impl(
channel = grpc_ares_ev_driver_get_channel(r->ev_driver);
// If dns_server is specified, use it.
- if (dns_server != NULL) {
+ if (dns_server != nullptr) {
gpr_log(GPR_INFO, "Using DNS server %s", dns_server);
grpc_resolved_address addr;
if (grpc_parse_ipv4_hostport(dns_server, &addr, false /* log_errors */)) {
@@ -429,7 +429,7 @@ static grpc_ares_request* grpc_dns_lookup_ares_impl(
r);
gpr_free(service_name);
}
- if (service_config_json != NULL) {
+ 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);
}
@@ -444,7 +444,7 @@ error_cleanup:
GRPC_CLOSURE_SCHED(exec_ctx, on_done, error);
gpr_free(host);
gpr_free(port);
- return NULL;
+ return nullptr;
}
grpc_ares_request* (*grpc_dns_lookup_ares)(
@@ -503,8 +503,8 @@ static void on_dns_lookup_done_cb(grpc_exec_ctx* exec_ctx, void* arg,
grpc_resolve_address_ares_request* r =
(grpc_resolve_address_ares_request*)arg;
grpc_resolved_addresses** resolved_addresses = r->addrs_out;
- if (r->lb_addrs == NULL || r->lb_addrs->num_addresses == 0) {
- *resolved_addresses = NULL;
+ if (r->lb_addrs == nullptr || r->lb_addrs->num_addresses == 0) {
+ *resolved_addresses = nullptr;
} else {
*resolved_addresses =
(grpc_resolved_addresses*)gpr_zalloc(sizeof(grpc_resolved_addresses));
@@ -536,10 +536,10 @@ static void grpc_resolve_address_ares_impl(grpc_exec_ctx* exec_ctx,
r->on_resolve_address_done = on_done;
GRPC_CLOSURE_INIT(&r->on_dns_lookup_done, on_dns_lookup_done_cb, r,
grpc_schedule_on_exec_ctx);
- grpc_dns_lookup_ares(exec_ctx, NULL /* dns_server */, name, default_port,
+ grpc_dns_lookup_ares(exec_ctx, nullptr /* dns_server */, name, default_port,
interested_parties, &r->on_dns_lookup_done, &r->lb_addrs,
false /* check_grpclb */,
- NULL /* service_config_json */);
+ nullptr /* service_config_json */);
}
void (*grpc_resolve_address_ares)(