40using NetId = uint32_t;
41using want_t = int_fast8_t;
43OPENDHT_PUBLIC
const char* version();
47using Sp = std::shared_ptr<T>;
49template <
typename Key,
typename Item,
typename Condition>
50void erase_if(std::map<Key, Item>& map,
const Condition& condition)
52 for (
auto it = map.begin(); it != map.end(); ) {
62OPENDHT_PUBLIC std::pair<std::string, std::string>
68 std::runtime_error(
"DhtException occurred: " + str) {}
79using clock = std::chrono::steady_clock;
80using system_clock = std::chrono::system_clock;
81using time_point = clock::time_point;
82using duration = clock::duration;
84time_point from_time_t(std::time_t t);
85std::time_t to_time_t(time_point t);
90 auto ret = snprintf(buf,
sizeof(buf),
"%.3g", d);
91 return (ret < 0) ? std::to_string(d) : std::string(buf, ret);
100 return std::chrono::duration_cast<std::chrono::duration<double>>(d).count();
105print_duration(DT d) {
106 if (d < std::chrono::seconds(0)) {
107 return "-" + print_duration(-d);
108 }
else if (d < std::chrono::milliseconds(1)) {
109 return to_str(std::chrono::duration_cast<std::chrono::duration<double, std::micro>>(d).count()) +
" us";
110 }
else if (d < std::chrono::seconds(1)) {
111 return to_str(std::chrono::duration_cast<std::chrono::duration<double, std::milli>>(d).count()) +
" ms";
112 }
else if (d < std::chrono::minutes(1)) {
113 return to_str(std::chrono::duration_cast<std::chrono::duration<double>>(d).count()) +
" s";
114 }
else if (d < std::chrono::hours(1)) {
115 return to_str(std::chrono::duration_cast<std::chrono::duration<
double, std::ratio<60>>>(d).count()) +
" min";
117 return to_str(std::chrono::duration_cast<std::chrono::duration<
double, std::ratio<3600>>>(d).count()) +
" h";
121template <
class TimePo
int>
123print_time_relative(TimePoint now, TimePoint d) {
124 if (d == TimePoint::min())
return "never";
125 if (d == now)
return "now";
126 return (d > now) ? std::string(
"in ") + print_duration(d - now)
127 : print_duration(now - d) + std::string(
" ago");
130template <
typename Duration = duration>
132 using Base = std::uniform_int_distribution<typename Duration::rep>;
133 using param_type =
typename Base::param_type;
136 template <
class Generator>
137 Duration operator()(Generator && g) {
138 return Duration(Base::operator()(g));
140 template<
class Generator >
141 Duration operator()( Generator && g,
const param_type& params ) {
142 return Duration(Base::operator()(g, params));
151using Blob = std::vector<uint8_t>;
158template <
typename Type>
160packMsg(
const Type& t) {
161 msgpack::sbuffer buffer;
162 msgpack::packer<msgpack::sbuffer> pk(&buffer);
164 return {buffer.data(), buffer.data()+buffer.size()};
167template <
typename Type>
170 msgpack::unpacked msg_res = msgpack::unpack((
const char*)b.data(), b.size());
171 return msg_res.get().as<Type>();
174msgpack::unpacked unpackMsg(
Blob b);
176msgpack::object* findMapValue(
const msgpack::object& map,
const char* key,
size_t length);
178inline msgpack::object* findMapValue(
const msgpack::object& map,
const char* key) {
179 return findMapValue(map, key, strlen(key));
181inline msgpack::object* findMapValue(
const msgpack::object& map, std::string_view key) {
182 return findMapValue(map, key.data(), key.size());
OPENDHT_PUBLIC Blob unpackBlob(const msgpack::object &o)
std::vector< uint8_t > Blob
OPENDHT_PUBLIC std::pair< std::string, std::string > splitPort(const std::string &s)
static double print_dt(DT d)