Mirrored_Repos/DarkflameServer
1
0
Fork 0
mirror of https://github.com/DarkflameUniverse/DarkflameServer.git synced 2024-11-25 06:57:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add port recycling to instance creation

Browse Source 
Made instance creation use previously used ports when available, to prevent
crashes caused by ports being used that are outside of the assigned range.
This commit is contained in:
Nexus 2021-12-14 11:05:33 +08:00
parent 259c236b72
commit ca8f0059a3
2 changed files with 26 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
dMasterServer/InstanceManager.cpp
View File

@ -43,7 +43,8 @@ Instance * InstanceManager::GetInstance(LWOMAPID mapID, bool isFriendTransfer, L
maxPlayers = GetHardCap(mapID);
}
instance = new Instance(mExternalIP, ++m_LastPort, mapID, ++m_LastInstanceID, cloneID, softCap, maxPlayers);
uint32_t port = GetFreePort();
instance = new Instance(mExternalIP, port, mapID, ++m_LastInstanceID, cloneID, softCap, maxPlayers);
//Start the actual process:
#ifdef _WIN32
@ -59,7 +60,7 @@ Instance * InstanceManager::GetInstance(LWOMAPID mapID, bool isFriendTransfer, L
cmd.append(std::to_string(mapID));
cmd.append(" -port ");
cmd.append(std::to_string(m_LastPort));
cmd.append(std::to_string(port));
cmd.append(" -instance ");
cmd.append(std::to_string(m_LastInstanceID));
cmd.append(" -maxclients ");
@ -74,8 +75,6 @@ Instance * InstanceManager::GetInstance(LWOMAPID mapID, bool isFriendTransfer, L
system(cmd.c_str());
m_LastPort++; //Increment it again because the next port is for World<->Server comm.
m_LastPort++; //Increment it again because the next port is for World<->Chat comm.
m_Instances.push_back(instance);
if (instance) {
@ -97,6 +96,25 @@ bool InstanceManager::IsPortInUse(uint32_t port) {
return false;
}
uint32_t InstanceManager::GetFreePort() {
uint32_t port = m_LastPort;
std::vector<uint32_t> usedPorts;
for (Instance* i : m_Instances) {
usedPorts.push_back(i->GetPort());
}
std::sort(usedPorts.begin(), usedPorts.end());
int portIdx = 0;
while (portIdx < usedPorts.size() && port == usedPorts[portIdx]) {
//increment by 3 since each instance uses 3 ports (instance, world-server, world-chat)
port += 3;
portIdx++;
}
return port;
}
void InstanceManager::AddPlayer(SystemAddress systemAddr, LWOMAPID mapID, LWOINSTANCEID instanceID) {
Instance* inst = FindInstance(mapID, instanceID);
if (inst) {
@ -291,7 +309,8 @@ Instance* InstanceManager::CreatePrivateInstance(LWOMAPID mapID, LWOCLONEID clon
int maxPlayers = 999;
instance = new Instance(mExternalIP, ++m_LastPort, mapID, ++m_LastInstanceID, cloneID, maxPlayers, maxPlayers, true, password);
uint32_t port = GetFreePort();
instance = new Instance(mExternalIP, port, mapID, ++m_LastInstanceID, cloneID, maxPlayers, maxPlayers, true, password);
//Start the actual process:
std::string cmd = "start ./WorldServer.exe -zone ";
@ -302,7 +321,7 @@ Instance* InstanceManager::CreatePrivateInstance(LWOMAPID mapID, LWOCLONEID clon
cmd.append(std::to_string(mapID));
cmd.append(" -port ");
cmd.append(std::to_string(m_LastPort));
cmd.append(std::to_string(port));
cmd.append(" -instance ");
cmd.append(std::to_string(m_LastInstanceID));
cmd.append(" -maxclients ");
@ -317,8 +336,6 @@ Instance* InstanceManager::CreatePrivateInstance(LWOMAPID mapID, LWOCLONEID clon
system(cmd.c_str());
m_LastPort++; //Increment it again because the next port is for World<->Server comm.
m_LastPort++; //Increment it again because the next port is for World<->Chat comm.
m_Instances.push_back(instance);
if (instance) return instance;

1
dMasterServer/InstanceManager.h
View File

@ -102,6 +102,7 @@ public:
Instance* GetInstance(LWOMAPID mapID, bool isFriendTransfer, LWOCLONEID cloneID); //Creates an instance if none found
bool IsPortInUse(uint32_t port);
uint32_t GetFreePort();
void AddPlayer(SystemAddress systemAddr, LWOMAPID mapID, LWOINSTANCEID instanceID);
void RemovePlayer(SystemAddress systemAddr, LWOMAPID mapID, LWOINSTANCEID instanceID);