src/components/domain_reliability/util.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/domain_reliability/util.h"
   6
   7 #include "base/callback.h"
   8 #include "base/logging.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "base/time/time.h"
  11 #include "base/timer/timer.h"
  12 #include "net/base/net_errors.h"
  13
  14 namespace domain_reliability {
  15
  16 namespace {
  17
  18 class ActualTimer : public MockableTime::Timer {
  19  public:
  20   // Initialize base timer with retain_user_info and is_repeating false.
  21   ActualTimer() : base_timer_(false, false) {}
  22
  23   ~ActualTimer() override {}
  24
  25   // MockableTime::Timer implementation:
  26   void Start(const tracked_objects::Location& posted_from,
  27              base::TimeDelta delay,
  28              const base::Closure& user_task) override {
  29     base_timer_.Start(posted_from, delay, user_task);
  30   }
  31
  32   void Stop() override { base_timer_.Stop(); }
  33
  34   bool IsRunning() override { return base_timer_.IsRunning(); }
  35
  36  private:
  37   base::Timer base_timer_;
  38 };
  39
  40 const struct NetErrorMapping {
  41   int net_error;
  42   const char* beacon_status;
  43 } net_error_map[] = {
  44   { net::OK, "ok" },
  45   { net::ERR_ABORTED, "aborted" },
  46   { net::ERR_TIMED_OUT, "tcp.connection.timed_out" },
  47   { net::ERR_CONNECTION_CLOSED, "tcp.connection.closed" },
  48   { net::ERR_CONNECTION_RESET, "tcp.connection.reset" },
  49   { net::ERR_CONNECTION_REFUSED, "tcp.connection.refused" },
  50   { net::ERR_CONNECTION_ABORTED, "tcp.connection.aborted" },
  51   { net::ERR_CONNECTION_FAILED, "tcp.connection.failed" },
  52   { net::ERR_NAME_NOT_RESOLVED, "dns" },
  53   { net::ERR_SSL_PROTOCOL_ERROR, "ssl.protocol.error" },
  54   { net::ERR_ADDRESS_INVALID, "tcp.connection.address_invalid" },
  55   { net::ERR_ADDRESS_UNREACHABLE, "tcp.connection.address_unreachable" },
  56   { net::ERR_CONNECTION_TIMED_OUT, "tcp.connection.timed_out" },
  57   { net::ERR_NAME_RESOLUTION_FAILED, "dns" },
  58   { net::ERR_SSL_PINNED_KEY_NOT_IN_CERT_CHAIN,
  59         "ssl.pinned_key_not_in_cert_chain" },
  60   { net::ERR_CERT_COMMON_NAME_INVALID, "ssl.cert.name_invalid" },
  61   { net::ERR_CERT_DATE_INVALID, "ssl.cert.date_invalid" },
  62   { net::ERR_CERT_AUTHORITY_INVALID, "ssl.cert.authority_invalid" },
  63   { net::ERR_CERT_REVOKED, "ssl.cert.revoked" },
  64   { net::ERR_CERT_INVALID, "ssl.cert.invalid" },
  65   { net::ERR_EMPTY_RESPONSE, "http.empty_response" },
  66   { net::ERR_SPDY_PING_FAILED, "spdy.ping_failed" },
  67   { net::ERR_SPDY_PROTOCOL_ERROR, "spdy.protocol" },
  68   { net::ERR_QUIC_PROTOCOL_ERROR, "quic.protocol" },
  69   { net::ERR_DNS_MALFORMED_RESPONSE, "dns.protocol" },
  70   { net::ERR_DNS_SERVER_FAILED, "dns.server" },
  71   { net::ERR_DNS_TIMED_OUT, "dns.timed_out" },
  72 };
  73
  74 }  // namespace
  75
  76 // static
  77 bool GetDomainReliabilityBeaconStatus(
  78     int net_error,
  79     int http_response_code,
  80     std::string* beacon_status_out) {
  81   if (net_error == net::OK) {
  82     if (http_response_code >= 400 && http_response_code < 600)
  83       *beacon_status_out = "http.error";
  84     else
  85       *beacon_status_out = "ok";
  86     return true;
  87   }
  88
  89   // TODO(ttuttle): Consider sorting and using binary search?
  90   for (size_t i = 0; i < arraysize(net_error_map); i++) {
  91     if (net_error_map[i].net_error == net_error) {
  92       *beacon_status_out = net_error_map[i].beacon_status;
  93       return true;
  94     }
  95   }
  96   return false;
  97 }
  98
  99 // TODO(ttuttle): Consider using NPN/ALPN instead, if there's a good way to
 100 //                differentiate HTTP and HTTPS.
 101 std::string GetDomainReliabilityProtocol(
 102     net::HttpResponseInfo::ConnectionInfo connection_info,
 103     bool ssl_info_populated) {
 104   switch (connection_info) {
 105     case net::HttpResponseInfo::CONNECTION_INFO_UNKNOWN:
 106       return "";
 107     case net::HttpResponseInfo::CONNECTION_INFO_HTTP1:
 108       return ssl_info_populated ? "HTTPS" : "HTTP";
 109     case net::HttpResponseInfo::CONNECTION_INFO_DEPRECATED_SPDY2:
 110     case net::HttpResponseInfo::CONNECTION_INFO_SPDY3:
 111     case net::HttpResponseInfo::CONNECTION_INFO_SPDY4:
 112       return "SPDY";
 113     case net::HttpResponseInfo::CONNECTION_INFO_QUIC1_SPDY3:
 114       return "QUIC";
 115     case net::HttpResponseInfo::NUM_OF_CONNECTION_INFOS:
 116       NOTREACHED();
 117       return "";
 118   }
 119   NOTREACHED();
 120   return "";
 121 }
 122
 123 MockableTime::Timer::~Timer() {}
 124 MockableTime::Timer::Timer() {}
 125
 126 MockableTime::~MockableTime() {}
 127 MockableTime::MockableTime() {}
 128
 129 ActualTime::ActualTime() {}
 130 ActualTime::~ActualTime() {}
 131
 132 base::Time ActualTime::Now() { return base::Time::Now(); }
 133 base::TimeTicks ActualTime::NowTicks() { return base::TimeTicks::Now(); }
 134
 135 scoped_ptr<MockableTime::Timer> ActualTime::CreateTimer() {
 136   return scoped_ptr<MockableTime::Timer>(new ActualTimer());
 137 }
 138
 139 MockableTimeBackoffEntry::MockableTimeBackoffEntry(
 140     const net::BackoffEntry::Policy* const policy,
 141     MockableTime* time)
 142     : net::BackoffEntry(policy),
 143       time_(time) {
 144 }
 145
 146 MockableTimeBackoffEntry::~MockableTimeBackoffEntry() {}
 147
 148 base::TimeTicks MockableTimeBackoffEntry::ImplGetTimeNow() const {
 149   return time_->NowTicks();
 150 }
 151
 152 }  // namespace domain_reliability