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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "ApplicationReputationTelemetryUtils.h"
#include "mozilla/Assertions.h"

using ServerLabel =
  mozilla::Telemetry::LABELS_APPLICATION_REPUTATION_SERVER_2;

struct NSErrorTelemetryResult
{
  nsresult mValue;
  ServerLabel mLabel;
};

static const NSErrorTelemetryResult sResult[] = {
  {
    NS_ERROR_ALREADY_CONNECTED,
    ServerLabel::ErrAlreadyConnected,
  },
  {
    NS_ERROR_NOT_CONNECTED,
    ServerLabel::ErrNotConnected,
  },
  {
    NS_ERROR_CONNECTION_REFUSED,
    ServerLabel::ErrConnectionRefused,
  },
  {
    NS_ERROR_NET_TIMEOUT,
    ServerLabel::ErrNetTimeout,
  },
  {
    NS_ERROR_OFFLINE,
    ServerLabel::ErrOffline,
  },
  {
    NS_ERROR_PORT_ACCESS_NOT_ALLOWED,
    ServerLabel::ErrPortAccess,
  },
  {
    NS_ERROR_NET_RESET,
    ServerLabel::ErrNetReset,
  },
  {
    NS_ERROR_NET_INTERRUPT,
    ServerLabel::ErrNetInterrupt,
  },
  {
    NS_ERROR_PROXY_CONNECTION_REFUSED,
    ServerLabel::ErrProxyConnection,
  },
  {
    NS_ERROR_NET_PARTIAL_TRANSFER,
    ServerLabel::ErrNetPartial,
  },
  {
    NS_ERROR_NET_INADEQUATE_SECURITY,
    ServerLabel::ErrNetInadequate,
  },
  {
    NS_ERROR_UNKNOWN_HOST,
    ServerLabel::ErrUnknownHost,
  },
  {
    NS_ERROR_DNS_LOOKUP_QUEUE_FULL,
    ServerLabel::ErrDNSLookupQueue,
  },
  {
    NS_ERROR_UNKNOWN_PROXY_HOST,
    ServerLabel::ErrUnknownProxyHost,
  },
};

mozilla::Telemetry::LABELS_APPLICATION_REPUTATION_SERVER_2
NSErrorToLabel(nsresult rv)
{
  MOZ_ASSERT(rv != NS_OK);

  for (const auto& p : sResult) {
    if (p.mValue == rv) {
      return p.mLabel;
    }
  }
  return ServerLabel::ErrOthers;
}

mozilla::Telemetry::LABELS_APPLICATION_REPUTATION_SERVER_2
HTTPStatusToLabel(uint32_t status)
{
  MOZ_ASSERT(status != 200);

  ServerLabel label;
  switch (status) {
  case 100:
  case 101:
    // Unexpected 1xx return code
    label = ServerLabel::HTTP1xx;
    break;
  case 201:
  case 202:
  case 203:
  case 205:
  case 206:
    // Unexpected 2xx return code
    label = ServerLabel::HTTP2xx;
    break;
  case 204:
    // No Content
    label = ServerLabel::HTTP204;
    break;
  case 300:
  case 301:
  case 302:
  case 303:
  case 304:
  case 305:
  case 307:
  case 308:
    // Unexpected 3xx return code
    label = ServerLabel::HTTP3xx;
    break;
  case 400:
    // Bad Request - The HTTP request was not correctly formed.
    // The client did not provide all required CGI parameters.
    label = ServerLabel::HTTP400;
    break;
  case 401:
  case 402:
  case 405:
  case 406:
  case 407:
  case 409:
  case 410:
  case 411:
  case 412:
  case 414:
  case 415:
  case 416:
  case 417:
  case 421:
  case 426:
  case 428:
  case 429:
  case 431:
  case 451:
    // Unexpected 4xx return code
    label = ServerLabel::HTTP4xx;
    break;
  case 403:
    // Forbidden - The client id is invalid.
    label = ServerLabel::HTTP403;
    break;
  case 404:
    // Not Found
    label = ServerLabel::HTTP404;
    break;
  case 408:
    // Request Timeout
    label = ServerLabel::HTTP408;
    break;
  case 413:
    // Request Entity Too Large
    label = ServerLabel::HTTP413;
    break;
  case 500:
  case 501:
  case 510:
    // Unexpected 5xx return code
    label = ServerLabel::HTTP5xx;
    break;
  case 502:
  case 504:
  case 511:
    // Local network errors, we'll ignore these.
    label = ServerLabel::HTTP502_504_511;
    break;
  case 503:
    // Service Unavailable - The server cannot handle the request.
    // Clients MUST follow the backoff behavior specified in the
    // Request Frequency section.
    label = ServerLabel::HTTP503;
    break;
  case 505:
    // HTTP Version Not Supported - The server CANNOT handle the requested
    // protocol major version.
    label = ServerLabel::HTTP505;
    break;
  default:
    label = ServerLabel::HTTPOthers;
  };
  return label;
}