FlightSim-Streaming/XPlaneConnectCSP
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Minimize sendUDP and readUDP Socket Timeout Delays

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sendUDP and readUDP were using longer than necessary socket timeouts that may add to process time delay and stuttering.  They were also using different values between Window and Linux/Mac.  The timeouts are now standardized for all versions.
This commit is contained in:
Norman Princen
2020-05-12 18:58:29 -07:00
committed by GitHub
parent bb16ab9d94
commit 4241599ad7
1 changed files with 6 additions and 6 deletions
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12
C/src/xplaneConnect.c
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@@ -195,9 +195,9 @@ int readUDP(XPCSocket sock, char buffer[], int len)
// Without this, playback may become choppy due to process blocking
// Definitions
FD_SET stReadFDS;
FD_SET stExceptFDS;
struct timeval tv;
fd_set stReadFDS;
fd_set stExceptFDS;
struct timeval timeout;
// Setup for Select
FD_ZERO(&stReadFDS);
@@ -207,11 +207,11 @@ int readUDP(XPCSocket sock, char buffer[], int len)
// Set timeout period for select to 0.05 sec = 50 milliseconds = 50,000 microseconds (0 makes it polling)
// TO DO - This could be set to 0 if a message handling system were implemented, like in the plugin.
tv.tv_sec = 0;
tv.tv_usec = 50000;
timeout.tv_sec = 0;
timeout.tv_usec = 50000;
// Select Command
int status = select(-1, &stReadFDS, (FD_SET*)0, &stExceptFDS, &tv);
int status = select(sock.sock+1, &stReadFDS, NULL, &stExceptFDS, &timeout);
if (status < 0)
{
printError("readUDP", "Select command error");