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Improve steam_masterserver_updater stub.

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This creates a new "custom_master_server.txt" file that can be used to pre-seed a master server list.

This also allows for steam apps to manipulate the master server list in memory.
I.e. This implements:
  Steam_Masterserver_Updater::AddMasterServer()
  Steam_Masterserver_Updater::RemoveMasterServer()
  Steam_Masterserver_Updater::GetNumMasterServers()
  Steam_Masterserver_Updater::GetMasterServerAddress()

Signed-off-by: redpolline <11156324-redpolline@users.noreply.gitlab.com>
This commit is contained in:
redpolline 2024-01-10 05:04:28 -05:00
parent 8f212b82ca
commit a2c9f9230f
4 changed files with 97 additions and 2 deletions
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87
dll/steam_masterserver_updater.h
View file

@ -173,12 +173,64 @@ void ForceHeartbeat()
bool AddMasterServer( const char *pServerAddress )
{
PRINT_DEBUG("Steam_Masterserver_Updater::AddMasterServer\n");
IP_PORT addr;
if (pServerAddress)
{
addr.ip = (uint32)*pServerAddress;
if (pServerAddress[(sizeof(uint32))] != 0)
{
addr.port = (uint16)*(pServerAddress + sizeof(uint32));
}
else
{
addr.port = 27016;
}
PRINT_DEBUG("Steam_Masterserver_Updater::AddMasterServer pServerAddress IP: %d, PORT: %d", addr.ip, addr.port);
this->settings->custom_master_server.insert(addr);
}
return true;
}
bool RemoveMasterServer( const char *pServerAddress )
{
PRINT_DEBUG("Steam_Masterserver_Updater::RemoveMasterServer\n");
std::set<IP_PORT>::iterator iter;
IP_PORT addr;
IP_PORT list;
if (pServerAddress)
{
addr.ip = (uint32)*pServerAddress;
if (pServerAddress[(sizeof(uint32))] != 0)
{
addr.port = (uint16)*(pServerAddress + sizeof(uint32));
}
else
{
addr.port = 27016;
}
PRINT_DEBUG("Steam_Masterserver_Updater::RemoveMasterServer pServerAddress IP: %d, PORT: %d", addr.ip, addr.port);
iter = this->settings->custom_master_server.begin();
while (iter != this->settings->custom_master_server.end())
{
list = (*iter);
if (addr.ip == list.ip &&
(addr.port == list.port || (list.port == 0 && addr.port == 27016)))
{
iter = this->settings->custom_master_server.erase(iter);
}
else
{
iter++;
}
}
}
return true;
}
@ -186,7 +238,7 @@ bool RemoveMasterServer( const char *pServerAddress )
int GetNumMasterServers()
{
PRINT_DEBUG("Steam_Masterserver_Updater::GetNumMasterServers\n");
return 0;
return this->settings->custom_master_server.size();
}
@ -194,7 +246,38 @@ int GetNumMasterServers()
int GetMasterServerAddress( int iServer, char *pOut, int outBufferSize )
{
PRINT_DEBUG("Steam_Masterserver_Updater::GetMasterServerAddress\n");
return 0;
size_t written_bytes = 0;
char * byte_cpy = NULL;
std::set<IP_PORT>::iterator iter;
IP_PORT addr;
if (pOut && outBufferSize >= sizeof(uint32) && this->settings->custom_master_server.size() > 0)
{
iter = this->settings->custom_master_server.begin();
while (written_bytes < outBufferSize && iter != this->settings->custom_master_server.end())
{
addr = (*iter);
byte_cpy = (char*)&(addr.ip);
for (size_t x = 0; x < sizeof(addr.ip) && written_bytes < outBufferSize; x++)
{
memcpy(pOut + x, byte_cpy + x, 1);
written_bytes++;
}
if (addr.port != 0 && addr.port != 27016) // Default updater port.
{
byte_cpy = (char*)&(addr.port);
for (size_t x = 0; x < sizeof(addr.port) && written_bytes < outBufferSize; x++)
{
memcpy(pOut + x, byte_cpy + x, 1);
written_bytes++;
}
}
iter++;
}
}
return written_bytes;
}