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Some fixes

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Fix id of sent packet stored in network byte order instead of native
order.

Fix failing to send packet not stopping storing sent packet data.
This commit is contained in:
Stephen Seo 2019-08-28 15:54:18 +09:00
parent 35bc629b1b
commit 8dba751929
2 changed files with 13 additions and 6 deletions
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4
cpp_impl/src/UDPC_Defines.hpp
View file

@ -145,9 +145,9 @@ struct Context {
struct sockaddr_in socketInfo;
std::chrono::steady_clock::time_point lastUpdated;
// ipv4 address and port to ConnectionData
// ipv4 address and port (as ConnectionIdentifier) to ConnectionData
std::unordered_map<ConnectionIdentifier, ConnectionData, ConnectionIdentifier::Hasher> conMap;
// id to ipv4 address
// id to ipv4 address and port (as ConnectionIdentifier)
std::unordered_map<uint32_t, ConnectionIdentifier> idMap;
std::default_random_engine rng_engine;

15
cpp_impl/src/UDPConnection.cpp
View file

@ -78,8 +78,11 @@ UDPC::ConnectionData::ConnectionData()
void UDPC::ConnectionData::cleanupSentPkts() {
uint32_t id;
while(sentPkts.size() > UDPC_SENT_PKTS_MAX_SIZE) {
id = ntohl(*((uint32_t*)(sentPkts.front().data + 8)));
sentInfoMap.erase(id);
id = *((uint32_t*)(sentPkts.front().data + 8));
auto iter = sentInfoMap.find(id);
assert(iter != sentInfoMap.end()
&& "Sent packet must have correspoding entry in sentInfoMap");
sentInfoMap.erase(iter);
sentPkts.pop_front();
}
}
@ -367,6 +370,7 @@ void UDPC_update(void *ctx) {
sizeof(struct sockaddr_in));
if(sentBytes != 20) {
// TODO log fail of sending connection-initiate-packet
continue;
}
} else {
// is server, initiate connection to client
@ -396,6 +400,7 @@ void UDPC_update(void *ctx) {
sizeof(struct sockaddr_in));
if(sentBytes != 20) {
// TODO log fail send init connection packet as server
continue;
}
}
continue;
@ -432,6 +437,7 @@ void UDPC_update(void *ctx) {
sizeof(struct sockaddr_in));
if(sentBytes != 20) {
// TODO log fail send heartbeat packet
continue;
}
UDPC_PacketInfo pInfo{{0}, 0, 0, 0, 0, 0, 0};
@ -439,7 +445,7 @@ void UDPC_update(void *ctx) {
pInfo.receiver = iter->first.getAddr();
pInfo.senderPort = c->socketInfo.sin_port;
pInfo.receiverPort = iter->second.port;
*((uint32_t*)(pInfo.data + 8)) = htonl(iter->second.lseq - 1);
*((uint32_t*)(pInfo.data + 8)) = iter->second.lseq - 1;
iter->second.sentPkts.push_back(std::move(pInfo));
iter->second.cleanupSentPkts();
@ -485,6 +491,7 @@ void UDPC_update(void *ctx) {
sizeof(struct sockaddr_in));
if(sentBytes != 20 + pInfo.dataSize) {
// TODO log fail send packet
continue;
}
if((pInfo.flags & 0x4) == 0) {
@ -509,7 +516,7 @@ void UDPC_update(void *ctx) {
sentPInfo.receiver = iter->first.getAddr();
sentPInfo.senderPort = c->socketInfo.sin_port;
sentPInfo.receiverPort = iter->second.port;
*((uint32_t*)(sentPInfo.data + 8)) = htonl(iter->second.lseq - 1);
*((uint32_t*)(sentPInfo.data + 8)) = iter->second.lseq - 1;
iter->second.sentPkts.push_back(std::move(pInfo));
iter->second.cleanupSentPkts();