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Avoid deleting Sunshine's UPnP port mappings

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This commit is contained in:
Cameron Gutman 2023-05-27 22:26:08 -05:00
parent 1e1d347052
commit 6d5d83d420
1 changed files with 46 additions and 2 deletions
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48
miss/miss.cpp
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@ -542,6 +542,42 @@ bool IsGameStreamEnabled()
return enabled != 0;
}
bool IsAlternateHostSoftwareRunning()
{
int err;
PMIB_TCPTABLE tcp_table = nullptr;
ULONG table_size = 0;
do {
// Query all open TCPv4 sockets
err = GetTcpTable(tcp_table, &table_size, false);
if (err == ERROR_INSUFFICIENT_BUFFER) {
free(tcp_table);
tcp_table = (PMIB_TCPTABLE)malloc(table_size);
}
} while (err == ERROR_INSUFFICIENT_BUFFER);
if (!tcp_table || err != NO_ERROR) {
printf("GetTcpTable() failed: %d\n", err);
free(tcp_table);
return false;
}
bool result = false;
for (DWORD i = 0; i < tcp_table->dwNumEntries; i++) {
auto& entry = tcp_table->table[i];
// Look for TCP 47989 port in the listening state
if (entry.dwLocalPort == _byteswap_ushort(47989) && entry.dwState == MIB_TCP_STATE_LISTEN) {
result = true;
break;
}
}
free(tcp_table);
return result;
}
void UpdatePortMappingsForTarget(bool enable, char* targetAddressIP4, char* internalAddressIP4, char* upstreamAddressIP4)
{
natpmp_t natpmp;
@ -936,10 +972,18 @@ int Run(bool standaloneExe)
bool gameStreamEnabled = IsGameStreamEnabled();
if (gameStreamEnabled) {
printf("GameStream is ON!\n");
printf("GFE GameStream is ON!\n");
}
else {
printf("GameStream is OFF!\n");
printf("GFE GameStream is OFF!\n");
if (IsAlternateHostSoftwareRunning()) {
printf("Sunshine is RUNNING!\n");
gameStreamEnabled = true;
}
else {
printf("Sunshine is NOT RUNNING!\n");
}
}
// Acquire the mapping lock and update port mappings