void grpc_init(void) {
gpr_once_init(&g_basic_init, do_basic_init);
gpr_mu_lock(&g_init_mu);
if (++g_initializations == 1) {
gpr_time_init();
grpc_resolver_registry_init("dns:///");
grpc_register_resolver_type("dns", grpc_dns_resolver_factory_create());
#ifdef GPR_POSIX_SOCKET
grpc_register_resolver_type("unix", grpc_unix_resolver_factory_create());
#endif
grpc_register_tracer("channel", &grpc_trace_channel);
grpc_register_tracer("surface", &grpc_surface_trace);
grpc_register_tracer("http", &grpc_http_trace);
grpc_register_tracer("flowctl", &grpc_flowctl_trace);
grpc_register_tracer("batch", &grpc_trace_batch);
grpc_security_pre_init();
grpc_iomgr_init();
grpc_tracer_init("GRPC_TRACE");
if (census_initialize(CENSUS_NONE)) {
gpr_log(GPR_ERROR, "Could not initialize census.");
}
grpc_timers_global_init();
}
gpr_mu_unlock(&g_init_mu);
}
void grpc_init(void) {
int i;
gpr_once_init(&g_basic_init, do_basic_init);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_mu_lock(&g_init_mu);
if (++g_initializations == 1) {
gpr_time_init();
grpc_stats_init();
grpc_slice_intern_init();
grpc_mdctx_global_init();
grpc_channel_init_init();
grpc_register_tracer(&grpc_api_trace);
grpc_register_tracer(&grpc_trace_channel);
grpc_register_tracer(&grpc_connectivity_state_trace);
grpc_register_tracer(&grpc_trace_channel_stack_builder);
grpc_register_tracer(&grpc_http1_trace);
grpc_register_tracer(&grpc_cq_pluck_trace); // default on
grpc_register_tracer(&grpc_call_combiner_trace);
grpc_register_tracer(&grpc_combiner_trace);
grpc_register_tracer(&grpc_server_channel_trace);
grpc_register_tracer(&grpc_bdp_estimator_trace);
grpc_register_tracer(&grpc_cq_event_timeout_trace); // default on
grpc_register_tracer(&grpc_trace_operation_failures);
grpc_register_tracer(&grpc_resource_quota_trace);
grpc_register_tracer(&grpc_call_error_trace);
#ifndef NDEBUG
grpc_register_tracer(&grpc_trace_pending_tags);
grpc_register_tracer(&grpc_trace_alarm_refcount);
grpc_register_tracer(&grpc_trace_cq_refcount);
grpc_register_tracer(&grpc_trace_closure);
grpc_register_tracer(&grpc_trace_error_refcount);
grpc_register_tracer(&grpc_trace_stream_refcount);
grpc_register_tracer(&grpc_trace_fd_refcount);
grpc_register_tracer(&grpc_trace_metadata);
#endif
grpc_security_pre_init();
grpc_iomgr_init(&exec_ctx);
gpr_timers_global_init();
grpc_handshaker_factory_registry_init();
grpc_security_init();
for (i = 0; i < g_number_of_plugins; i++) {
if (g_all_of_the_plugins[i].init != NULL) {
g_all_of_the_plugins[i].init();
}
}
/* register channel finalization AFTER all plugins, to ensure that it's run
* at the appropriate time */
grpc_register_security_filters();
register_builtin_channel_init();
grpc_tracer_init("GRPC_TRACE");
/* no more changes to channel init pipelines */
grpc_channel_init_finalize();
grpc_iomgr_start(&exec_ctx);
}
gpr_mu_unlock(&g_init_mu);
grpc_exec_ctx_finish(&exec_ctx);
GRPC_API_TRACE("grpc_init(void)", 0, ());
}
size_t grpc_get_default_ssl_roots(const unsigned char **pem_root_certs) {
/* TODO([email protected]): Maybe revisit the approach which consists in
loading all the roots once for the lifetime of the process. */
static gpr_once once = GPR_ONCE_INIT;
gpr_once_init(&once, init_default_pem_root_certs);
*pem_root_certs = GPR_SLICE_START_PTR(default_pem_root_certs);
return GPR_SLICE_LENGTH(default_pem_root_certs);
}
int grpc_is_initialized(void) {
int r;
gpr_once_init(&g_basic_init, do_basic_init);
gpr_mu_lock(&g_init_mu);
r = g_initializations > 0;
gpr_mu_unlock(&g_init_mu);
return r;
}
grpc_channel_credentials *grpc_google_default_credentials_create(void) {
grpc_channel_credentials *result = NULL;
grpc_call_credentials *call_creds = NULL;
GRPC_API_TRACE("grpc_google_default_credentials_create(void)", 0, ());
gpr_once_init(&g_once, init_default_credentials);
gpr_mu_lock(&g_mu);
if (default_credentials != NULL) {
result = grpc_channel_credentials_ref(default_credentials);
goto end;
}
/* First, try the environment variable. */
call_creds = create_default_creds_from_path(
gpr_getenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR));
if (call_creds != NULL) goto end;
/* Then the well-known file. */
call_creds = create_default_creds_from_path(
grpc_get_well_known_google_credentials_file_path());
if (call_creds != NULL) goto end;
/* At last try to see if we're on compute engine (do the detection only once
since it requires a network test). */
if (!compute_engine_detection_done) {
int need_compute_engine_creds = is_stack_running_on_compute_engine();
compute_engine_detection_done = 1;
if (need_compute_engine_creds) {
call_creds = grpc_google_compute_engine_credentials_create(NULL);
}
}
end:
if (result == NULL) {
if (call_creds != NULL) {
/* Blend with default ssl credentials and add a global reference so that
it
can be cached and re-served. */
grpc_channel_credentials *ssl_creds =
grpc_ssl_credentials_create(NULL, NULL, NULL);
default_credentials = grpc_channel_credentials_ref(
grpc_composite_channel_credentials_create(ssl_creds, call_creds,
NULL));
GPR_ASSERT(default_credentials != NULL);
grpc_channel_credentials_unref(ssl_creds);
grpc_call_credentials_unref(call_creds);
result = default_credentials;
} else {
gpr_log(GPR_ERROR, "Could not create google default credentials.");
}
}
gpr_mu_unlock(&g_mu);
return result;
}
void grpc_ruby_init() {
gpr_once_init(&g_once_init, grpc_ruby_set_init_pid);
grpc_init();
grpc_ruby_init_threads();
// (only gpr_log after logging has been initialized)
gpr_log(GPR_DEBUG,
"GRPC_RUBY: grpc_ruby_init - prev g_grpc_ruby_init_count:%" PRId64,
g_grpc_ruby_init_count++);
}
void grpc_flush_cached_google_default_credentials(void) {
gpr_once_init(&g_once, init_default_credentials);
gpr_mu_lock(&g_mu);
if (default_credentials != NULL) {
grpc_channel_credentials_unref(default_credentials);
default_credentials = NULL;
}
compute_engine_detection_done = 0;
gpr_mu_unlock(&g_mu);
}
void grpc_init(void) {
int i;
gpr_once_init(&g_basic_init, do_basic_init);
gpr_mu_lock(&g_init_mu);
if (++g_initializations == 1) {
gpr_time_init();
grpc_slice_intern_init();
grpc_mdctx_global_init();
grpc_channel_init_init();
grpc_register_tracer("api", &grpc_api_trace);
grpc_register_tracer("channel", &grpc_trace_channel);
grpc_register_tracer("connectivity_state", &grpc_connectivity_state_trace);
grpc_register_tracer("channel_stack_builder",
&grpc_trace_channel_stack_builder);
grpc_register_tracer("http1", &grpc_http1_trace);
grpc_register_tracer("queue_pluck", &grpc_cq_pluck_trace);
grpc_register_tracer("combiner", &grpc_combiner_trace);
grpc_register_tracer("server_channel", &grpc_server_channel_trace);
grpc_register_tracer("bdp_estimator", &grpc_bdp_estimator_trace);
// Default pluck trace to 1
grpc_cq_pluck_trace = 1;
grpc_register_tracer("queue_timeout", &grpc_cq_event_timeout_trace);
// Default timeout trace to 1
grpc_cq_event_timeout_trace = 1;
grpc_register_tracer("op_failure", &grpc_trace_operation_failures);
grpc_register_tracer("resource_quota", &grpc_resource_quota_trace);
grpc_register_tracer("call_error", &grpc_call_error_trace);
#ifndef NDEBUG
grpc_register_tracer("pending_tags", &grpc_trace_pending_tags);
#endif
grpc_security_pre_init();
grpc_iomgr_init();
grpc_executor_init();
gpr_timers_global_init();
grpc_handshaker_factory_registry_init();
grpc_security_init();
for (i = 0; i < g_number_of_plugins; i++) {
if (g_all_of_the_plugins[i].init != NULL) {
g_all_of_the_plugins[i].init();
}
}
/* register channel finalization AFTER all plugins, to ensure that it's run
* at the appropriate time */
grpc_register_security_filters();
register_builtin_channel_init();
grpc_tracer_init("GRPC_TRACE");
/* no more changes to channel init pipelines */
grpc_channel_init_finalize();
}
gpr_mu_unlock(&g_init_mu);
GRPC_API_TRACE("grpc_init(void)", 0, ());
}
void grpc_flush_cached_google_default_credentials(void) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_once_init(&g_once, init_default_credentials);
gpr_mu_lock(&g_state_mu);
if (default_credentials != NULL) {
grpc_channel_credentials_unref(&exec_ctx, default_credentials);
default_credentials = NULL;
}
compute_engine_detection_done = 0;
gpr_mu_unlock(&g_state_mu);
grpc_exec_ctx_finish(&exec_ctx);
}
grpc_error *grpc_tcp_server_create(grpc_exec_ctx *exec_ctx,
grpc_closure *shutdown_complete,
const grpc_channel_args *args,
grpc_tcp_server **server) {
gpr_once_init(&check_init, init);
grpc_tcp_server *s = gpr_malloc(sizeof(grpc_tcp_server));
s->so_reuseport = has_so_reuseport;
s->resource_quota = grpc_resource_quota_create(NULL);
for (size_t i = 0; i < (args == NULL ? 0 : args->num_args); i++) {
if (0 == strcmp(GRPC_ARG_ALLOW_REUSEPORT, args->args[i].key)) {
if (args->args[i].type == GRPC_ARG_INTEGER) {
s->so_reuseport =
has_so_reuseport && (args->args[i].value.integer != 0);
} else {
grpc_resource_quota_internal_unref(exec_ctx, s->resource_quota);
gpr_free(s);
return GRPC_ERROR_CREATE(GRPC_ARG_ALLOW_REUSEPORT
" must be an integer");
}
} else if (0 == strcmp(GRPC_ARG_RESOURCE_QUOTA, args->args[i].key)) {
if (args->args[i].type == GRPC_ARG_POINTER) {
grpc_resource_quota_internal_unref(exec_ctx, s->resource_quota);
s->resource_quota =
grpc_resource_quota_internal_ref(args->args[i].value.pointer.p);
} else {
grpc_resource_quota_internal_unref(exec_ctx, s->resource_quota);
gpr_free(s);
return GRPC_ERROR_CREATE(GRPC_ARG_RESOURCE_QUOTA
" must be a pointer to a buffer pool");
}
}
}
gpr_ref_init(&s->refs, 1);
gpr_mu_init(&s->mu);
s->active_ports = 0;
s->destroyed_ports = 0;
s->shutdown = false;
s->shutdown_starting.head = NULL;
s->shutdown_starting.tail = NULL;
s->shutdown_complete = shutdown_complete;
s->on_accept_cb = NULL;
s->on_accept_cb_arg = NULL;
s->head = NULL;
s->tail = NULL;
s->nports = 0;
gpr_atm_no_barrier_store(&s->next_pollset_to_assign, 0);
*server = s;
return GRPC_ERROR_NONE;
}
grpc_credentials *grpc_google_default_credentials_create(void) {
grpc_credentials *result = NULL;
int serving_cached_credentials = 0;
gpr_once_init(&g_once, init_default_credentials);
gpr_mu_lock(&g_mu);
if (default_credentials != NULL) {
result = grpc_credentials_ref(default_credentials);
serving_cached_credentials = 1;
goto end;
}
/* First, try the environment variable. */
result =
create_jwt_creds_from_path(gpr_getenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR));
if (result != NULL) goto end;
/* Then the well-known file. */
result = create_refresh_token_creds_from_path(
grpc_get_well_known_google_credentials_file_path());
if (result != NULL) goto end;
/* At last try to see if we're on compute engine (do the detection only once
since it requires a network test). */
if (!compute_engine_detection_done) {
int need_compute_engine_creds = is_stack_running_on_compute_engine();
compute_engine_detection_done = 1;
if (need_compute_engine_creds) {
result = grpc_compute_engine_credentials_create();
}
}
end:
if (!serving_cached_credentials && result != NULL) {
/* Blend with default ssl credentials and add a global reference so that it
can be cached and re-served. */
result = grpc_composite_credentials_create(
grpc_ssl_credentials_create(NULL, NULL), result);
GPR_ASSERT(result != NULL);
default_credentials = grpc_credentials_ref(result);
}
gpr_mu_unlock(&g_mu);
return result;
}
void grpc_init(void) {
int i;
gpr_once_init(&g_basic_init, do_basic_init);
gpr_mu_lock(&g_init_mu);
if (++g_initializations == 1) {
gpr_time_init();
grpc_mdctx_global_init();
grpc_lb_policy_registry_init(grpc_pick_first_lb_factory_create());
grpc_register_lb_policy(grpc_pick_first_lb_factory_create());
grpc_register_lb_policy(grpc_round_robin_lb_factory_create());
grpc_resolver_registry_init(GRPC_DEFAULT_NAME_PREFIX);
grpc_register_resolver_type(grpc_dns_resolver_factory_create());
grpc_register_resolver_type(grpc_ipv4_resolver_factory_create());
grpc_register_resolver_type(grpc_ipv6_resolver_factory_create());
#ifdef GPR_POSIX_SOCKET
grpc_register_resolver_type(grpc_unix_resolver_factory_create());
#endif
grpc_register_tracer("api", &grpc_api_trace);
grpc_register_tracer("channel", &grpc_trace_channel);
grpc_register_tracer("http", &grpc_http_trace);
grpc_register_tracer("flowctl", &grpc_flowctl_trace);
grpc_register_tracer("connectivity_state", &grpc_connectivity_state_trace);
grpc_security_pre_init();
grpc_iomgr_init();
grpc_executor_init();
grpc_tracer_init("GRPC_TRACE");
/* Only initialize census if noone else has. */
if (census_enabled() == CENSUS_FEATURE_NONE) {
if (census_initialize(census_supported())) { /* enable all features. */
gpr_log(GPR_ERROR, "Could not initialize census.");
}
}
gpr_timers_global_init();
grpc_cq_global_init();
for (i = 0; i < g_number_of_plugins; i++) {
if (g_all_of_the_plugins[i].init != NULL) {
g_all_of_the_plugins[i].init();
}
}
}
gpr_mu_unlock(&g_init_mu);
GRPC_API_TRACE("grpc_init(void)", 0, ());
}
void Init_grpc_c() {
if (!grpc_rb_load_core()) {
rb_raise(rb_eLoadError, "Couldn't find or load gRPC's dynamic C core");
return;
}
/* ruby_vm_at_exit doesn't seem to be working. It would crash once every
* blue moon, and some users are getting it repeatedly. See the discussions
* - https://github.com/grpc/grpc/pull/5337
* - https://bugs.ruby-lang.org/issues/12095
*
* In order to still be able to handle the (unlikely) situation where the
* extension is loaded by a first Ruby VM that is subsequently destroyed,
* then loaded again by another VM within the same process, we need to
* schedule our initialization and destruction only once.
*/
gpr_once_init(&g_once_init, grpc_ruby_once_init);
grpc_rb_mGRPC = rb_define_module("GRPC");
grpc_rb_mGrpcCore = rb_define_module_under(grpc_rb_mGRPC, "Core");
grpc_rb_sNewServerRpc =
rb_struct_define("NewServerRpc", "method", "host",
"deadline", "metadata", "call", NULL);
grpc_rb_sStatus =
rb_struct_define("Status", "code", "details", "metadata", NULL);
sym_code = ID2SYM(rb_intern("code"));
sym_details = ID2SYM(rb_intern("details"));
sym_metadata = ID2SYM(rb_intern("metadata"));
Init_grpc_channel();
Init_grpc_call();
Init_grpc_call_credentials();
Init_grpc_channel_credentials();
Init_grpc_server();
Init_grpc_server_credentials();
Init_grpc_status_codes();
Init_grpc_time_consts();
Init_grpc_compression_options();
}
void grpc_init(void) {
int i;
gpr_once_init(&g_basic_init, do_basic_init);
gpr_mu_lock(&g_init_mu);
if (++g_initializations == 1) {
gpr_time_init();
grpc_mdctx_global_init();
grpc_channel_init_init();
grpc_register_tracer("api", &grpc_api_trace);
grpc_register_tracer("channel", &grpc_trace_channel);
grpc_register_tracer("connectivity_state", &grpc_connectivity_state_trace);
grpc_register_tracer("channel_stack_builder",
&grpc_trace_channel_stack_builder);
grpc_register_tracer("http1", &grpc_http1_trace);
grpc_register_tracer("compression", &grpc_compression_trace);
grpc_register_tracer("op_failure", &grpc_trace_operation_failures);
grpc_security_pre_init();
grpc_iomgr_init();
grpc_executor_init();
gpr_timers_global_init();
grpc_cq_global_init();
for (i = 0; i < g_number_of_plugins; i++) {
if (g_all_of_the_plugins[i].init != NULL) {
g_all_of_the_plugins[i].init();
}
}
/* register channel finalization AFTER all plugins, to ensure that it's run
* at the appropriate time */
grpc_register_security_filters();
register_builtin_channel_init();
grpc_tracer_init("GRPC_TRACE");
/* no more changes to channel init pipelines */
grpc_channel_init_finalize();
}
gpr_mu_unlock(&g_init_mu);
GRPC_API_TRACE("grpc_init(void)", 0, ());
}
unsigned gpr_cpu_num_cores(void) {
static gpr_once once = GPR_ONCE_INIT;
gpr_once_init(&once, init_num_cpus);
return (unsigned)ncpus;
}
static int get_max_accept_queue_size(void) {
gpr_once_init(&s_init_max_accept_queue_size, init_max_accept_queue_size);
return s_max_accept_queue_size;
}
static void init_mutex_once(void) {
gpr_once_init(&g_init_mutex_once, init_mutex);
}
int grpc_ipv6_loopback_available(void) {
gpr_once_init(&g_probe_ipv6_once, probe_ipv6_once);
return g_ipv6_loopback_available;
}
static void init_mutex_once(void) {
gpr_once_init(&g_stats_store_mu_init, init_mutex);
}
static const char *ssl_cipher_suites(void) {
gpr_once_init(&cipher_suites_once, init_cipher_suites);
return cipher_suites;
}
void gpr_event_init(gpr_event *ev) {
gpr_once_init(&event_once, &event_initialize);
ev->state = 0;
}
grpc_channel_credentials *grpc_google_default_credentials_create(void) {
grpc_channel_credentials *result = NULL;
grpc_call_credentials *call_creds = NULL;
grpc_error *error = GRPC_ERROR_CREATE("Failed to create Google credentials");
grpc_error *err;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
GRPC_API_TRACE("grpc_google_default_credentials_create(void)", 0, ());
gpr_once_init(&g_once, init_default_credentials);
gpr_mu_lock(&g_state_mu);
if (default_credentials != NULL) {
result = grpc_channel_credentials_ref(default_credentials);
goto end;
}
/* First, try the environment variable. */
err = create_default_creds_from_path(
&exec_ctx, gpr_getenv(GRPC_GOOGLE_CREDENTIALS_ENV_VAR), &call_creds);
if (err == GRPC_ERROR_NONE) goto end;
error = grpc_error_add_child(error, err);
/* Then the well-known file. */
err = create_default_creds_from_path(
&exec_ctx, grpc_get_well_known_google_credentials_file_path(),
&call_creds);
if (err == GRPC_ERROR_NONE) goto end;
error = grpc_error_add_child(error, err);
/* At last try to see if we're on compute engine (do the detection only once
since it requires a network test). */
if (!compute_engine_detection_done) {
int need_compute_engine_creds =
is_stack_running_on_compute_engine(&exec_ctx);
compute_engine_detection_done = 1;
if (need_compute_engine_creds) {
call_creds = grpc_google_compute_engine_credentials_create(NULL);
if (call_creds == NULL) {
error = grpc_error_add_child(
error, GRPC_ERROR_CREATE("Failed to get credentials from network"));
}
}
}
end:
if (result == NULL) {
if (call_creds != NULL) {
/* Blend with default ssl credentials and add a global reference so that
it
can be cached and re-served. */
grpc_channel_credentials *ssl_creds =
grpc_ssl_credentials_create(NULL, NULL, NULL);
default_credentials = grpc_channel_credentials_ref(
grpc_composite_channel_credentials_create(ssl_creds, call_creds,
NULL));
GPR_ASSERT(default_credentials != NULL);
grpc_channel_credentials_unref(&exec_ctx, ssl_creds);
grpc_call_credentials_unref(&exec_ctx, call_creds);
result = default_credentials;
} else {
gpr_log(GPR_ERROR, "Could not create google default credentials.");
}
}
gpr_mu_unlock(&g_state_mu);
if (result == NULL) {
GRPC_LOG_IF_ERROR("grpc_google_default_credentials_create", error);
} else {
GRPC_ERROR_UNREF(error);
}
grpc_exec_ctx_finish(&exec_ctx);
return result;
}