#ifndef GRPC_SRC_CORE_LIB_CONFIG_CONFIG_VARS_H
#define GRPC_SRC_CORE_LIB_CONFIG_CONFIG_VARS_H
#include <grpc/support/port_platform.h>
#include <stdint.h>
#include <atomic>
#include <string>
#include "absl/strings/string_view.h"
#include "absl/types/optional.h"
namespace grpc_core {
class ConfigVars {
public:
struct Overrides {
absl::optional<int32_t> client_channel_backup_poll_interval_ms;
absl::optional<bool> enable_fork_support;
absl::optional<bool> abort_on_leaks;
absl::optional<bool> not_use_system_ssl_roots;
absl::optional<std::string> dns_resolver;
absl::optional<std::string> verbosity;
absl::optional<std::string> stacktrace_minloglevel;
absl::optional<std::string> poll_strategy;
absl::optional<std::string> system_ssl_roots_dir;
absl::optional<std::string> default_ssl_roots_file_path;
absl::optional<std::string> ssl_cipher_suites;
absl::optional<std::string> experiments;
absl::optional<std::string> trace;
};
ConfigVars(const ConfigVars&) = delete;
ConfigVars& operator=(const ConfigVars&) = delete;
static const ConfigVars& Get() {
auto* p = config_vars_.load(std::memory_order_acquire);
if (p != nullptr) return *p;
return Load();
}
static void SetOverrides(const Overrides& overrides);
static void Reset();
std::string ToString() const;
absl::string_view Experiments() const { return experiments_; }
int32_t ClientChannelBackupPollIntervalMs() const {
return client_channel_backup_poll_interval_ms_;
}
absl::string_view DnsResolver() const { return dns_resolver_; }
absl::string_view Trace() const { return trace_; }
absl::string_view Verbosity() const { return verbosity_; }
absl::string_view StacktraceMinloglevel() const {
return stacktrace_minloglevel_;
}
bool EnableForkSupport() const { return enable_fork_support_; }
absl::string_view PollStrategy() const { return poll_strategy_; }
bool AbortOnLeaks() const { return abort_on_leaks_; }
std::string SystemSslRootsDir() const;
std::string DefaultSslRootsFilePath() const;
bool NotUseSystemSslRoots() const { return not_use_system_ssl_roots_; }
absl::string_view SslCipherSuites() const { return ssl_cipher_suites_; }
private:
explicit ConfigVars(const Overrides& overrides);
static const ConfigVars& Load();
static std::atomic<ConfigVars*> config_vars_;
int32_t client_channel_backup_poll_interval_ms_;
bool enable_fork_support_;
bool abort_on_leaks_;
bool not_use_system_ssl_roots_;
std::string dns_resolver_;
std::string verbosity_;
std::string stacktrace_minloglevel_;
std::string poll_strategy_;
std::string ssl_cipher_suites_;
std::string experiments_;
std::string trace_;
absl::optional<std::string> override_system_ssl_roots_dir_;
absl::optional<std::string> override_default_ssl_roots_file_path_;
};
}
#endif