backend.h

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#ifndef FASTLY_BACKEND_H
#define FASTLY_BACKEND_H
 
#include <chrono>
#include <fastly/error.h>
#include <fastly/http/request.h>
#include <fastly/sdk-sys.h>
#include <string>
#include <string_view>
 
#include <iostream>
 
namespace fastly::http {
class Request;
class Response;
} // namespace fastly::http
 
namespace fastly::backend {
 
class BackendBuilder;
class Backend {
  friend fastly::http::Request;
  friend fastly::http::Response;
  friend BackendBuilder;
 
public:
  static fastly::expected<Backend> from_name(std::string_view name);
  Backend clone();
  BackendBuilder builder(std::string_view name, std::string_view target);
  std::string name();
  std::string into_string();
  bool exists();
  bool is_dynamic();
  std::string get_host();
  // TODO(@zkat): Do something about the optional thing here.
  // std::string get_host_override();
  uint16_t get_port();
  std::chrono::milliseconds get_connect_timeout();
  std::chrono::milliseconds get_first_byte_timeout();
  std::chrono::milliseconds get_between_byte_timeout();
  std::chrono::milliseconds get_http_keepalive_time();
  bool get_tcp_keepalive_enable();
  std::chrono::milliseconds get_tcp_keepalive_interval();
  uint32_t get_tcp_keepalive_probes();
  std::chrono::milliseconds get_tcp_keepalive_time();
  bool is_ssl();
  bool operator==(Backend b) { return backend->equals(*b.backend); }
  bool operator!=(Backend b) { return !backend->equals(*b.backend); }
  // TODO(@zkat): optional stuff is weird.
  // SslVersion get_ssl_min_version();
  // SslVersion get_ssl_max_version();
private:
  Backend(rust::Box<fastly::sys::backend::Backend> b)
      : backend(std::move(b)) {};
  rust::Box<fastly::sys::backend::Backend> backend;
};
 
class BackendBuilder {
  friend Backend;
 
public:
  BackendBuilder(std::string_view name, std::string_view target)
      : builder(fastly::sys::backend::m_static_backend_backend_builder_new(
            static_cast<std::string>(name), static_cast<std::string>(target))) {
        };
  BackendBuilder override_host(std::string_view name) &&;
  BackendBuilder connect_timeout(std::chrono::milliseconds timeout) &&;
  BackendBuilder first_byte_timeout(std::chrono::milliseconds timeout) &&;
  BackendBuilder between_bytes_timeout(std::chrono::milliseconds timeout) &&;
  BackendBuilder enable_ssl() &&;
  BackendBuilder disable_ssl() &&;
  BackendBuilder check_certificate(std::string_view cert) &&;
  BackendBuilder ca_certificate(std::string_view cert) &&;
  BackendBuilder tls_ciphers(std::string_view ciphers) &&;
  BackendBuilder sni_hostname(std::string_view host) &&;
  BackendBuilder enable_pooling(bool enable) &&;
  BackendBuilder http_keepalive_time(std::chrono::milliseconds timeout) &&;
  BackendBuilder tcp_keepalive_enable(bool enable) &&;
  BackendBuilder tcp_keepalive_interval_secs(uint32_t secs) &&;
  BackendBuilder tcp_keepalive_probes(uint32_t probes) &&;
  BackendBuilder tcp_keepalive_time_secs(uint32_t secs) &&;
  fastly::expected<Backend> finish() &&;
 
private:
  BackendBuilder(rust::Box<fastly::sys::backend::BackendBuilder> b)
      : builder(std::move(b)) {};
  rust::Box<fastly::sys::backend::BackendBuilder> builder;
};
 
} // namespace fastly::backend
 
#endif