Changeset 27959 in vbox

Timestamp:

Apr 2, 2010 3:46:08 PM (15 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

59663

Message:

iprt: added RTTcpSetSendCoalescing.

Location:

trunk

Files:

• include/iprt/tcp.h (modified) (1 diff)
• src/VBox/Runtime/r3/tcp.cpp (modified) (2 diffs)

trunk/include/iprt/tcp.h

@@ -220 +220 @@
 
 /**
+ * Enables or disable delaying sends to coalesce packets.
+ *
+ * The TCP/IP stack usually uses the Nagle algorithm (RFC 896) to implement the
+ * coalescing.
+ *
+ * @returns iprt status code.
+ * @param   Sock        Socket descriptor.
+ */
+RTR3DECL(int)  RTTcpSetSendCoalescing(RTSOCKET Sock, bool fEnable);
+
+/**
  * Socket I/O multiplexing.
  * Checks if the socket is ready for reading.

trunk/src/VBox/Runtime/r3/tcp.cpp

@@ -984 +984 @@
 RTR3DECL(int)  RTTcpFlush(RTSOCKET Sock)
 {
-
     int fFlag = 1;
     int rc = rtSocketSetOpt(Sock, IPPROTO_TCP, TCP_NODELAY, &fFlag, sizeof(fFlag));
@@ -996 +995 @@
 
 
+RTR3DECL(int)  RTTcpSetSendCoalescing(RTSOCKET Sock, bool fEnable)
+{
+    int fFlag = fEnable ? 0 : 1;
+    return rtSocketSetOpt(Sock, IPPROTO_TCP, TCP_NODELAY, &fFlag, sizeof(fFlag));
+}
+
+
 RTR3DECL(int)  RTTcpSelectOne(RTSOCKET Sock, RTMSINTERVAL cMillies)
 {