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Replace all uses of float with chrono::duration

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This commit is contained in:
Stephen Seo 2019-08-27 16:31:24 +09:00
parent f5cfbe41d5
commit 57e270eb15
2 changed files with 41 additions and 39 deletions
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24
cpp_impl/src/UDPC_Defines.hpp
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@ -2,14 +2,9 @@
#define UDPC_DEFINES_HPP
#define UDPC_CONTEXT_IDENTIFIER 0x902F4DB3
#define UDPC_TIMEOUT_SECONDS 10.0f
#define UDPC_GOOD_MODE_SEND_INTERVAL (1.0f / 30.0f)
#define UDPC_BAD_MODE_SEND_INTERVAL (1.0f / 10.0f)
#define UDPC_SENT_PKTS_MAX_SIZE 33
#define UDPC_QUEUED_PKTS_MAX_SIZE 32
#define UDPC_RECEIVED_PKTS_MAX_SIZE 50
#define UDPC_GOOD_RTT_LIMIT_SEC 0.25f
#define UDPC_PACKET_TIMEOUT_SEC 1.0f
#define UDPC_ID_CONNECT 0x80000000
#define UDPC_ID_PING 0x40000000
@ -31,10 +26,17 @@
namespace UDPC {
static const auto ONE_SECOND = std::chrono::seconds(1);
static const auto TEN_SECONDS = std::chrono::seconds(10);
static uint32_t LOCAL_ADDR = 0;
static const auto INIT_PKT_INTERVAL_DT = std::chrono::seconds(5);
static const auto HEARTBEAT_PKT_INTERVAL_DT = std::chrono::milliseconds(150);
static const auto PACKET_TIMEOUT_TIME = std::chrono::seconds(1);
static const auto PACKET_TIMEOUT_TIME = ONE_SECOND;
static const auto GOOD_RTT_LIMIT = std::chrono::milliseconds(250);
static const auto CONNECTION_TIMEOUT = TEN_SECONDS;
static const auto GOOD_MODE_SEND_RATE = std::chrono::microseconds(33333);
static const auto BAD_MODE_SEND_RATE = std::chrono::milliseconds(100);
// forward declaration
struct Context;
@ -74,10 +76,10 @@ struct ConnectionData {
uint32_t lseq;
uint32_t rseq;
uint32_t ack;
float timer;
float toggleT;
float toggleTimer;
float toggledTimer;
std::chrono::steady_clock::duration timer;
std::chrono::steady_clock::duration toggleT;
std::chrono::steady_clock::duration toggleTimer;
std::chrono::steady_clock::duration toggledTimer;
uint32_t addr; // in network order
uint16_t port; // in native order
std::deque<UDPC_PacketInfo> sentPkts;
@ -88,7 +90,7 @@ struct ConnectionData {
std::unordered_map<uint32_t, SentPktInfo::Ptr> sentInfoMap;
std::chrono::steady_clock::time_point received;
std::chrono::steady_clock::time_point sent;
float rtt;
std::chrono::steady_clock::duration rtt;
}; // struct ConnectionData
struct Context {

56
cpp_impl/src/UDPConnection.cpp
View file

@ -14,17 +14,17 @@ sentTime(std::chrono::steady_clock::now())
UDPC::ConnectionData::ConnectionData() :
flags(),
timer(0.0f),
toggleT(30.0f),
toggleTimer(0.0f),
toggledTimer(0.0f),
timer(std::chrono::steady_clock::duration::zero()),
toggleT(std::chrono::seconds(30)),
toggleTimer(std::chrono::steady_clock::duration::zero()),
toggledTimer(std::chrono::steady_clock::duration::zero()),
sentPkts(),
sendPkts(UDPC_QUEUED_PKTS_MAX_SIZE),
priorityPkts(UDPC_QUEUED_PKTS_MAX_SIZE),
receivedPkts(UDPC_RECEIVED_PKTS_MAX_SIZE),
received(std::chrono::steady_clock::now()),
sent(std::chrono::steady_clock::now()),
rtt(0.0f)
rtt(std::chrono::steady_clock::duration::zero())
{
flags.set(0);
}
@ -227,13 +227,13 @@ void UDPC_update(void *ctx) {
const auto now = std::chrono::steady_clock::now();
c->lastUpdated = now;
float temp_dt_fs;
std::chrono::steady_clock::duration temp_dt_fs;
{
// check timed out, check good/bad mode with rtt, remove timed out
std::vector<uint32_t> removed;
for(auto iter = c->conMap.begin(); iter != c->conMap.end(); ++iter) {
temp_dt_fs = UDPC::durationToFSec(iter->second.received, now);
if(temp_dt_fs >= UDPC_TIMEOUT_SECONDS) {
temp_dt_fs = now - iter->second.received;
if(temp_dt_fs >= UDPC::CONNECTION_TIMEOUT) {
removed.push_back(iter->first);
continue;
// TODO log timed out connection
@ -246,38 +246,38 @@ void UDPC_update(void *ctx) {
// good mode, bad rtt
// TODO log switching to bad mode
iter->second.flags.reset(1);
if(iter->second.toggledTimer <= 10.0f) {
iter->second.toggleT *= 2.0f;
if(iter->second.toggledTimer <= UDPC::TEN_SECONDS) {
iter->second.toggleT *= 2;
}
iter->second.toggledTimer = 0.0f;
iter->second.toggledTimer = std::chrono::steady_clock::duration::zero();
} else if(iter->second.flags.test(1)) {
// good mode, good rtt
if(iter->second.toggleTimer >= 10.0f) {
iter->second.toggleTimer = 0.0f;
iter->second.toggleT /= 2.0f;
if(iter->second.toggleT < 1.0f) {
iter->second.toggleT = 1.0f;
if(iter->second.toggleTimer >= UDPC::TEN_SECONDS) {
iter->second.toggleTimer = std::chrono::steady_clock::duration::zero();
iter->second.toggleT /= 2;
if(iter->second.toggleT < UDPC::ONE_SECOND) {
iter->second.toggleT = UDPC::ONE_SECOND;
}
}
} else if(!iter->second.flags.test(1) &&
iter->second.flags.test(2)) {
// bad mode, good rtt
if(iter->second.toggledTimer >= iter->second.toggleT) {
iter->second.toggleTimer = 0.0f;
iter->second.toggledTimer = 0.0f;
iter->second.toggleTimer = std::chrono::steady_clock::duration::zero();
iter->second.toggledTimer = std::chrono::steady_clock::duration::zero();
// TODO log switching to good mode
iter->second.flags.set(1);
}
} else {
// bad mode, bad rtt
iter->second.toggledTimer = 0.0f;
iter->second.toggledTimer = std::chrono::steady_clock::duration::zero();
}
iter->second.timer += temp_dt_fs;
if(iter->second.timer >= (iter->second.flags.test(1)
? UDPC_GOOD_MODE_SEND_INTERVAL
: UDPC_BAD_MODE_SEND_INTERVAL)) {
iter->second.timer = 0.0f;
? UDPC::GOOD_MODE_SEND_RATE
: UDPC::BAD_MODE_SEND_RATE)) {
iter->second.timer = std::chrono::steady_clock::duration::zero();
iter->second.flags.set(0);
}
}
@ -572,14 +572,14 @@ void UDPC_update(void *ctx) {
auto sentInfoIter = iter->second.sentInfoMap.find(id);
assert(sentInfoIter != iter->second.sentInfoMap.end()
&& "sentInfoMap should have known stored id");
float diff = UDPC::durationToFSec(sentInfoIter->second->sentTime, now);
auto diff = now - sentInfoIter->second->sentTime;
if(diff > iter->second.rtt) {
iter->second.rtt += (diff - iter->second.rtt) / 10.0f;
iter->second.rtt += (diff - iter->second.rtt) / 10;
} else {
iter->second.rtt -= (iter->second.rtt - diff) / 10.0f;
iter->second.rtt -= (iter->second.rtt - diff) / 10;
}
iter->second.flags.set(2, iter->second.rtt <= UDPC_GOOD_RTT_LIMIT_SEC);
iter->second.flags.set(2, iter->second.rtt <= UDPC::GOOD_RTT_LIMIT);
// TODO verbose log rtt
break;
@ -607,8 +607,8 @@ void UDPC_update(void *ctx) {
auto sentInfoIter = iter->second.sentInfoMap.find(sentID);
assert(sentInfoIter != iter->second.sentInfoMap.end()
&& "Every entry in sentPkts must have a corresponding entry in sentInfoMap");
float seconds = UDPC::durationToFSec(sentInfoIter->second->sentTime, now);
if(seconds > UDPC_PACKET_TIMEOUT_SEC) {
auto duration = now - sentInfoIter->second->sentTime;
if(duration > UDPC::PACKET_TIMEOUT_TIME) {
if(sentIter->dataSize <= 20) {
// TODO log error: timed out packet has no data
sentIter->flags |= 0x8;