Minimal socket buffer size set

ondracek-lukas · Jan 19, 2021 · 8e3c71a · 8e3c71a
1 parent 6e1c1c9
commit 8e3c71a
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Showing 2 changed files with 19 additions and 1 deletion.
diff --git a/main.h b/main.h
@@ -3,13 +3,15 @@
 #define _GNU_SOURCE
 
 #define PROT_VERSION              4
-#define APP_VERSION             0.9
+#define APP_VERSION             1.0
 #define UDP_PORT              64199
 #define NAME_LEN                 10
 #define MAX_CLIENTS             100
 #define BLOCKS_PER_STAT          50
 #define BLOCKS_PER_SRV_STAT   10000  // should be divisible by BLOCKS_PER_STAT
 
+#define CLIENT_SOCK_BUF_SIZE 100000 // B
+
 #define SAMPLE_RATE           48000
 #define MONO_BLOCK_SIZE         128  // 2.667 ms
 #define BUFFER_BLOCKS          4096  // 10.92 s, ~1 MB mono, ~2 MB stereo

diff --git a/net.h b/net.h
@@ -187,6 +187,22 @@ int netOpenConn(char *addr, char *port) {
 		return -1;
 	}
 
+	{
+		uint32_t val;
+		socklen_t valsize = sizeof(val);
+		getsockopt(sfd, SOL_SOCKET, SO_SNDBUF, (char *)&val, &valsize);
+		if (val < CLIENT_SOCK_BUF_SIZE) {
+			val = CLIENT_SOCK_BUF_SIZE;
+			setsockopt(sfd, SOL_SOCKET, SO_SNDBUF, (char *)&val, sizeof(val));
+		}
+		valsize = sizeof(val);
+		getsockopt(sfd, SOL_SOCKET, SO_RCVBUF, (char *)&val, &valsize);
+		if (val < CLIENT_SOCK_BUF_SIZE) {
+			val = CLIENT_SOCK_BUF_SIZE;
+			setsockopt(sfd, SOL_SOCKET, SO_RCVBUF, (char *)&val, sizeof(val));
+		}
+	}
+
 #ifdef __WIN32__
 	DWORD tv = 1000;
 #else