src/connectivity/overnet/lib/vocabulary/status.cc

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "src/connectivity/overnet/lib/vocabulary/status.h"
#include <zircon/types.h>
#include <sstream>

#ifdef __Fuchsia__
extern "C" {
const char* zx_status_get_string(zx_status_t status);
}
#endif

namespace overnet {

namespace status_impl {
const std::string empty_string;
}

const char* StatusCodeString(StatusCode code) {
  switch (code) {
    case StatusCode::OK:
      return "OK";
    case StatusCode::CANCELLED:
      return "CANCELLED";
    case StatusCode::UNKNOWN:
      return "UNKNOWN";
    case StatusCode::INVALID_ARGUMENT:
      return "INVALID_ARGUMENT";
    case StatusCode::DEADLINE_EXCEEDED:
      return "DEADLINE_EXCEEDED";
    case StatusCode::NOT_FOUND:
      return "NOT_FOUND";
    case StatusCode::ALREADY_EXISTS:
      return "ALREADY_EXISTS";
    case StatusCode::PERMISSION_DENIED:
      return "PERMISSION_DENIED";
    case StatusCode::UNAUTHENTICATED:
      return "UNAUTHENTICATED";
    case StatusCode::RESOURCE_EXHAUSTED:
      return "RESOURCE_EXHAUSTED";
    case StatusCode::FAILED_PRECONDITION:
      return "FAILED_PRECONDITION";
    case StatusCode::ABORTED:
      return "ABORTED";
    case StatusCode::OUT_OF_RANGE:
      return "OUT_OF_RANGE";
    case StatusCode::UNIMPLEMENTED:
      return "UNIMPLEMENTED";
    case StatusCode::INTERNAL:
      return "INTERNAL";
    case StatusCode::UNAVAILABLE:
      return "UNAVAILABLE";
    case StatusCode::DATA_LOSS:
      return "DATA_LOSS";
  }
  return "UNKNOWN_STATUS_CODE";
}

struct ZxStatusWrapper {
  zx_status_t status;
};

#ifdef __Fuchsia__
std::ostream& operator<<(std::ostream& out, ZxStatusWrapper w) {
  return out << zx_status_get_string(w.status) << "[" << w.status << "]";
}
#else
std::ostream& operator<<(std::ostream& out, ZxStatusWrapper w) {
  return out << w.status;
}
#endif

Status Status::FromZx(zx_status_t status) {
  switch (status) {
    case ZX_OK:
      return overnet::Status::Ok();
    case ZX_ERR_CANCELED:
      return overnet::Status::Cancelled();
    default: {
      std::ostringstream out;
      out << "zx_status:" << ZxStatusWrapper{status};
      return overnet::Status(overnet::StatusCode::UNKNOWN, out.str());
    }
  }
}

Status Status::FromZx(zx_status_t status, const char* desc) {
  switch (status) {
    case ZX_OK:
      return Status::Ok();
    case ZX_ERR_CANCELED:
      return Status(StatusCode::CANCELLED, desc);
    default: {
      std::ostringstream out;
      out << "zx_status:" << ZxStatusWrapper{status} << " '" << desc << "'";
      return Status(overnet::StatusCode::UNKNOWN, out.str());
    }
  }
}

}  // namespace overnet