C++ (Cpp) StringPiece::str示例

示例#1

文件： util.cpp 项目： nvaller/mcrouter

std::string shorten(folly::StringPiece s, size_t maxLength) {
  if (s.size() <= maxLength || s.size() <= 3) {
    return s.str();
  }
  return s.subpiece(0, maxLength - 3).str() + "...";
}

示例#2

文件： MockMc.cpp 项目： 0xd3adsh3ll/mcrouter

void MockMc::set(folly::StringPiece key, Item item) {
  citems_.erase(key.str());
  citems_.insert(std::make_pair(key.str(), CacheItem(std::move(item))));
}

示例#3

文件： SessionTestHarness.cpp 项目： THIAGOWESLLEY2/mcrouter

void SessionTestHarness::inputPacket(folly::StringPiece p) {
  savedInputs_.push_back(p.str());
  flushSavedInputs();
}

示例#4

文件： RouteHandleTest.cpp 项目： facebook/mcrouter

 size_t operator()(folly::StringPiece key) const {
   return std::stoi(key.str()) % n_;
 }

示例#5

文件： RoutingPrefix.cpp 项目： 191919/mcrouter

RoutingPrefix::RoutingPrefix(folly::StringPiece prefix)
    : prefix_(prefix.str()) {
  initFromPrefix();
}

示例#6

文件： async.cpp 项目： cicerocomp/mcrouter

/** Adds an asynchronous request to the event log. */
void asynclog_delete(proxy_t* proxy,
                     const AccessPoint& ap,
                     folly::StringPiece key,
                     folly::StringPiece poolName) {
  dynamic json = {};
  const auto& host = ap.getHost();
  const auto& port = proxy->router().opts().asynclog_port_override == 0
    ? ap.getPort()
    : proxy->router().opts().asynclog_port_override;

  if (proxy->router().opts().use_asynclog_version2) {
    json = dynamic::object;
    json["f"] = proxy->router().opts().flavor_name;
    json["h"] = folly::sformat("[{}]:{}", host, port);
    json["p"] = poolName.str();
    json["k"] = key.str();
  } else {
    /* ["host", port, escaped_command] */
    json.push_back(host);
    json.push_back(port);
    json.push_back(folly::sformat("delete {}\r\n", key));
  }

  auto fd = asynclog_open(proxy);
  if (!fd) {
    MC_LOG_FAILURE(proxy->router().opts(),
                   memcache::failure::Category::kSystemError,
                   "asynclog_open() failed (key {}, pool {})",
                   key, poolName);
    return;
  }

  // ["AS1.0", 1289416829.836, "C", ["10.0.0.1", 11302, "delete foo\r\n"]]
  // OR ["AS2.0", 1289416829.836, "C", {"f":"flavor","h":"[10.0.0.1]:11302",
  //                                    "p":"pool_name","k":"foo\r\n"}]
  dynamic jsonOut = {};
  if (proxy->router().opts().use_asynclog_version2) {
    jsonOut.push_back(ASYNCLOG_MAGIC2);
  } else {
    jsonOut.push_back(ASYNCLOG_MAGIC);
  }

  struct timeval timestamp;
  CHECK(gettimeofday(&timestamp, nullptr) == 0);

  auto timestamp_ms =
    facebook::memcache::to<std::chrono::milliseconds>(timestamp).count();

  jsonOut.push_back(1e-3 * timestamp_ms);
  jsonOut.push_back(std::string("C"));

  jsonOut.push_back(json);

  auto jstr = folly::toJson(jsonOut) + "\n";

  ssize_t size = folly::writeFull(fd->fd(), jstr.data(), jstr.size());
  if (size == -1 || size_t(size) < jstr.size()) {
    MC_LOG_FAILURE(proxy->router().opts(),
                   memcache::failure::Category::kSystemError,
                   "Error fully writing asynclog request (key {}, pool {})",
                   key, poolName);
  }
}

示例#7

文件： PcapFile.cpp 项目： HengWang/fboss

PcapFile::PcapFile(folly::StringPiece path,
                   bool overwriteExisting)
  : file_(path.str().c_str(), openFlags(overwriteExisting), 0644) {
}