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Impl logging, minor fixes/refactorings

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This commit is contained in:
Stephen Seo 2019-08-29 12:56:09 +09:00
parent 6aa2e8aa51
commit 3a754e97b5
2 changed files with 233 additions and 26 deletions
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118
cpp_impl/src/UDPC_Defines.hpp
View file

@ -21,6 +21,8 @@
#include <queue>
#include <random>
#include <memory>
#include <thread>
#include <iostream>
#include "TSQueue.hpp"
#include "UDPConnection.h"
@ -127,8 +129,120 @@ struct ConnectionData {
}; // struct ConnectionData
struct Context {
public:
Context(bool isThreaded);
void log(UDPC_LoggingType) {}
template<typename... Targs>
void log(UDPC_LoggingType type, Targs... args) {
log_impl(type, args...);
}
private:
void log_impl(UDPC_LoggingType) {}
template<typename... Targs>
void log_impl(UDPC_LoggingType type, Targs... args) {
switch(loggingType.load()) {
case UDPC_LoggingType::SILENT:
return;
case UDPC_LoggingType::ERROR:
if(type == UDPC_LoggingType::ERROR) {
std::cerr << "ERROR: ";
} else {
return;
}
break;
case UDPC_LoggingType::WARNING:
switch(type) {
case UDPC_LoggingType::ERROR:
std::cerr << "ERROR: ";
break;
case UDPC_LoggingType::WARNING:
std::cerr << "WARNING: ";
break;
default:
return;
}
break;
case UDPC_LoggingType::VERBOSE:
switch(type) {
case UDPC_LoggingType::ERROR:
std::cerr << "ERROR: ";
break;
case UDPC_LoggingType::WARNING:
std::cerr << "WARNING: ";
break;
case UDPC_LoggingType::VERBOSE:
std::cerr << "VERBOSE: ";
break;
default:
return;
}
break;
case UDPC_LoggingType::INFO:
switch(type) {
case UDPC_LoggingType::ERROR:
std::cerr << "ERROR: ";
break;
case UDPC_LoggingType::WARNING:
std::cerr << "WARNING: ";
break;
case UDPC_LoggingType::VERBOSE:
std::cerr << "VERBOSE: ";
break;
case UDPC_LoggingType::INFO:
std::cerr << "INFO: ";
break;
default:
return;
}
break;
default:
return;
}
log_impl_next(type, args...);
}
void log_impl_next(UDPC_LoggingType) {
std::cerr << '\n';
}
template<typename T, typename... Targs>
void log_impl_next(UDPC_LoggingType type, T value, Targs... args) {
switch(loggingType.load()) {
case UDPC_LoggingType::SILENT:
return;
case UDPC_LoggingType::ERROR:
if(type == UDPC_LoggingType::ERROR) {
std::cerr << value;
}
break;
case UDPC_LoggingType::WARNING:
if(type == UDPC_LoggingType::ERROR || type == UDPC_LoggingType::WARNING) {
std::cerr << value;
}
break;
case UDPC_LoggingType::VERBOSE:
if(type == UDPC_LoggingType::ERROR || type == UDPC_LoggingType::WARNING
|| type == UDPC_LoggingType::VERBOSE) {
std::cerr << value;
}
break;
case UDPC_LoggingType::INFO:
if(type == UDPC_LoggingType::ERROR || type == UDPC_LoggingType::WARNING
|| type == UDPC_LoggingType::VERBOSE
|| type == UDPC_LoggingType::INFO) {
std::cerr << value;
}
break;
}
log_impl_next(loggingType, args...);
}
public:
uint_fast32_t _contextIdentifier;
char recvBuf[UDPC_PACKET_MAX_SIZE];
@ -174,7 +288,9 @@ void preparePacket(char *data, uint32_t protocolID, uint32_t conID,
uint32_t generateConnectionID(Context &ctx);
float durationToFSec(
float durationToFSec(const std::chrono::steady_clock::duration& duration);
float timePointsToFSec(
const std::chrono::steady_clock::time_point& older,
const std::chrono::steady_clock::time_point& newer);

141
cpp_impl/src/UDPConnection.cpp
View file

@ -7,6 +7,7 @@
#include <optional>
#include <vector>
#include <functional>
#include <type_traits>
UDPC::SentPktInfo::SentPktInfo() :
id(0),
@ -184,7 +185,13 @@ uint32_t UDPC::generateConnectionID(Context &ctx) {
return id;
}
float UDPC::durationToFSec(
float UDPC::durationToFSec(const std::chrono::steady_clock::duration& duration) {
return (float)duration.count()
* (float)std::decay_t<decltype(duration)>::period::num
/ (float)std::decay_t<decltype(duration)>::period::den;
}
float UDPC::timePointsToFSec(
const std::chrono::steady_clock::time_point& older,
const std::chrono::steady_clock::time_point& newer) {
const auto dt = newer - older;
@ -282,8 +289,13 @@ void UDPC_update(void *ctx) {
temp_dt_fs = now - iter->second.received;
if(temp_dt_fs >= UDPC::CONNECTION_TIMEOUT) {
removed.push_back(iter->first);
c->log(
UDPC_LoggingType::VERBOSE,
"Timed out connection with ",
UDPC_atostr(c, iter->second.addr),
":",
iter->second.port);
continue;
// TODO log timed out connection
}
// check good/bad mode
@ -291,7 +303,12 @@ void UDPC_update(void *ctx) {
iter->second.toggledTimer += temp_dt_fs;
if(iter->second.flags.test(1) && !iter->second.flags.test(2)) {
// good mode, bad rtt
// TODO log switching to bad mode
c->log(
UDPC_LoggingType::INFO,
"Switching to bad mode in connection with ",
UDPC_atostr(c, iter->second.addr),
":",
iter->second.port);
iter->second.flags.reset(1);
if(iter->second.toggledTimer <= UDPC::TEN_SECONDS) {
iter->second.toggleT *= 2;
@ -312,7 +329,12 @@ void UDPC_update(void *ctx) {
if(iter->second.toggledTimer >= iter->second.toggleT) {
iter->second.toggleTimer = std::chrono::steady_clock::duration::zero();
iter->second.toggledTimer = std::chrono::steady_clock::duration::zero();
// TODO log switching to good mode
c->log(
UDPC_LoggingType::INFO,
"Switching to good mode in connection with ",
UDPC_atostr(c, iter->second.addr),
":",
iter->second.port);
iter->second.flags.set(1);
}
} else {
@ -381,7 +403,7 @@ void UDPC_update(void *ctx) {
struct sockaddr_in destinationInfo;
destinationInfo.sin_family = AF_INET;
destinationInfo.sin_addr.s_addr = iter->first.getAddr();
destinationInfo.sin_addr.s_addr = iter->second.addr;
destinationInfo.sin_port = htons(iter->second.port);
long int sentBytes = sendto(
c->socketHandle,
@ -391,7 +413,12 @@ void UDPC_update(void *ctx) {
(struct sockaddr*) &destinationInfo,
sizeof(struct sockaddr_in));
if(sentBytes != 20) {
// TODO log fail of sending connection-initiate-packet
c->log(
UDPC_LoggingType::ERROR,
"Failed to send packet to initiate connection to ",
UDPC_atostr(c, iter->second.addr),
":",
iter->second.port);
continue;
}
} else {
@ -411,7 +438,7 @@ void UDPC_update(void *ctx) {
struct sockaddr_in destinationInfo;
destinationInfo.sin_family = AF_INET;
destinationInfo.sin_addr.s_addr = iter->first.getAddr();
destinationInfo.sin_addr.s_addr = iter->second.addr;
destinationInfo.sin_port = htons(iter->second.port);
long int sentBytes = sendto(
c->socketHandle,
@ -421,7 +448,12 @@ void UDPC_update(void *ctx) {
(struct sockaddr*) &destinationInfo,
sizeof(struct sockaddr_in));
if(sentBytes != 20) {
// TODO log fail send init connection packet as server
c->log(
UDPC_LoggingType::ERROR,
"Failed to send packet to initiate connection to ",
UDPC_atostr(c, iter->second.addr),
":",
iter->second.port);
continue;
}
}
@ -448,7 +480,7 @@ void UDPC_update(void *ctx) {
struct sockaddr_in destinationInfo;
destinationInfo.sin_family = AF_INET;
destinationInfo.sin_addr.s_addr = iter->first.getAddr();
destinationInfo.sin_addr.s_addr = iter->second.addr;
destinationInfo.sin_port = htons(iter->second.port);
long int sentBytes = sendto(
c->socketHandle,
@ -458,7 +490,12 @@ void UDPC_update(void *ctx) {
(struct sockaddr*) &destinationInfo,
sizeof(struct sockaddr_in));
if(sentBytes != 20) {
// TODO log fail send heartbeat packet
c->log(
UDPC_LoggingType::ERROR,
"Failed to send heartbeat packet to ",
UDPC_atostr(c, iter->second.addr),
":",
iter->second.port);
continue;
}
@ -502,7 +539,7 @@ void UDPC_update(void *ctx) {
struct sockaddr_in destinationInfo;
destinationInfo.sin_family = AF_INET;
destinationInfo.sin_addr.s_addr = iter->first.getAddr();
destinationInfo.sin_addr.s_addr = iter->second.addr;
destinationInfo.sin_port = htons(iter->second.port);
long int sentBytes = sendto(
c->socketHandle,
@ -512,7 +549,12 @@ void UDPC_update(void *ctx) {
(struct sockaddr*) &destinationInfo,
sizeof(struct sockaddr_in));
if(sentBytes != 20 + pInfo.dataSize) {
// TODO log fail send packet
c->log(
UDPC_LoggingType::ERROR,
"Failed to send packet to ",
UDPC_atostr(c, iter->second.addr),
":",
iter->second.port);
continue;
}
@ -570,14 +612,24 @@ void UDPC_update(void *ctx) {
return;
} else if(bytes < 20) {
// packet size is too small, invalid packet
// TODO log this
c->log(
UDPC_LoggingType::INFO,
"Received packet is smaller than header, ignoring packet from ",
UDPC_atostr(c, receivedData.sin_addr.s_addr),
":",
receivedData.sin_port);
return;
}
uint32_t temp = ntohl(*((uint32_t*)c->recvBuf));
if(temp != c->protocolID) {
// Invalid protocol id in packet
// TODO log this
c->log(
UDPC_LoggingType::INFO,
"Received packet has invalid protocol id, ignoring packet from ",
UDPC_atostr(c, receivedData.sin_addr.s_addr),
":",
receivedData.sin_port);
return;
}
@ -599,7 +651,12 @@ void UDPC_update(void *ctx) {
if(!c->flags.test(1)
&& c->conMap.find(identifier) == c->conMap.end()) {
// is receiving as server, connection did not already exist
// TODO log establishing connection with client peer
c->log(
UDPC_LoggingType::VERBOSE,
"Establishing connection with client ",
UDPC_atostr(c, receivedData.sin_addr.s_addr),
":",
receivedData.sin_port);
UDPC::ConnectionData newConnection(true, c);
newConnection.addr = receivedData.sin_addr.s_addr;
newConnection.port = ntohs(receivedData.sin_port);
@ -628,6 +685,12 @@ void UDPC_update(void *ctx) {
iter->second.flags.reset(3);
iter->second.id = conID;
iter->second.flags.set(4);
c->log(
UDPC_LoggingType::VERBOSE,
"Established connection with server ",
UDPC_atostr(c, receivedData.sin_addr.s_addr),
":",
receivedData.sin_port);
// TODO trigger event client established connection with server
}
return;
@ -643,7 +706,12 @@ void UDPC_update(void *ctx) {
}
// packet is valid
// TODO log received valid packet
c->log(
UDPC_LoggingType::INFO,
"Received valid packet from ",
UDPC_atostr(c, receivedData.sin_addr.s_addr),
":",
receivedData.sin_port);
// update rtt
for(auto sentIter = iter->second.sentPkts.rbegin(); sentIter != iter->second.sentPkts.rend(); ++sentIter) {
@ -661,7 +729,10 @@ void UDPC_update(void *ctx) {
iter->second.flags.set(2, iter->second.rtt <= UDPC::GOOD_RTT_LIMIT);
// TODO verbose log rtt
c->log(
UDPC_LoggingType::INFO,
"RTT: ",
UDPC::durationToFSec(iter->second.rtt));
break;
}
}
@ -690,7 +761,10 @@ void UDPC_update(void *ctx) {
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
c->log(
UDPC_LoggingType::INFO,
"Timed out packet has no payload (probably "
"heartbeat packet), ignoring it");
sentIter->flags |= 0x8;
break;
}
@ -722,7 +796,9 @@ void UDPC_update(void *ctx) {
diff = 0xFFFFFFFF - seqID + 1 + iter->second.rseq;
if((iter->second.ack & (0x80000000 >> (diff - 1))) != 0) {
// already received packet
// TODO log that already received packet is ignored
c->log(
UDPC_LoggingType::INFO,
"Received packet is already marked as received, ignoring it");
return;
}
iter->second.ack |= 0x80000000 >> (diff - 1);
@ -734,7 +810,9 @@ void UDPC_update(void *ctx) {
// sequence is older
if((iter->second.ack & (0x80000000 >> (diff - 1))) != 0) {
// already received packet
// TODO log that already received packet is ignored
c->log(
UDPC_LoggingType::INFO,
"Received packet is already marked as received, ignoring it");
return;
}
iter->second.ack |= 0x80000000 >> (diff - 1);
@ -747,11 +825,17 @@ void UDPC_update(void *ctx) {
}
} else {
// already received packet
// TODO log that already received packet is ignored
c->log(
UDPC_LoggingType::INFO,
"Received packet is already marked as received, ignoring it");
return;
}
// TODO log that received packet is out of order
if(isOutOfOrder) {
c->log(
UDPC_LoggingType::VERBOSE,
"Received packet is out of order");
}
if(bytes > 20) {
UDPC_PacketInfo recPktInfo;
@ -768,13 +852,17 @@ void UDPC_update(void *ctx) {
recPktInfo.receiverPort = c->socketInfo.sin_port;
if(iter->second.receivedPkts.size() == iter->second.receivedPkts.capacity()) {
// TODO log that receivedPkts is full, so removed an entry for a new one
c->log(
UDPC_LoggingType::WARNING,
"receivedPkts is full, removing oldest entry to make room");
iter->second.receivedPkts.pop();
}
iter->second.receivedPkts.push(recPktInfo);
} else if(bytes == 20) {
// TODO log that packet had no payload
c->log(
UDPC_LoggingType::VERBOSE,
"Received packet has no payload");
}
}
@ -832,7 +920,10 @@ void UDPC_queue_send(void *ctx, uint32_t destAddr, uint16_t destPort,
auto iter = c->conMap.find(identifier);
if(iter == c->conMap.end()) {
// TODO log failed to add packet to queue; unknown recipient
c->log(
UDPC_LoggingType::ERROR,
"Failed to add packet to queue, no established connection "
"with recipient");
return;
}