Changeset 38111 in vbox for trunk/src/VBox/Devices/Network/slirp

Timestamp:

Jul 22, 2011 6:05:36 AM (14 years ago)

Author:

vboxsync

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

73063

Message:

NAT: makes backlog value configurable in listen(, backlog).

Location:

trunk/src/VBox/Devices/Network/slirp

Files:

• libslirp.h (modified) (1 diff)
• slirp.c (modified) (2 diffs)
• slirp_state.h (modified) (1 diff)
• socket.c (modified) (1 diff)

trunk/src/VBox/Devices/Network/slirp/libslirp.h

@@ -95 +95 @@
 void slirp_set_mtu(PNATState, int);
 void slirp_info(PNATState pData, PCDBGFINFOHLP pHlp, const char *pszArgs);
+void slirp_set_somaxconn(PNATState pData, int iSoMaxConn);
 
 #if defined(RT_OS_WINDOWS)

trunk/src/VBox/Devices/Network/slirp/slirp.c

@@ -606 +606 @@
     tcp_sndspace = 64 * _1K;
     tcp_rcvspace = 64 * _1K;
+    pData->soMaxConn = 1; /* historical value */
 
 #ifdef RT_OS_WINDOWS
@@ -2002 +2003 @@
     } while (0)
 
+void slirp_set_somaxconn(PNATState pData, int iSoMaxConn)
+{
+    LogFlowFunc(("iSoMaxConn:d\n", iSoMaxConn));
+    if (iSoMaxConn > SOMAXCONN)
+    {
+        LogRel(("New value of somaxconn(%d) bigger than SOMAXCONN(%d)\n", iSoMaxConn, SOMAXCONN));
+        pData->soMaxConn = SOMAXCONN;
+    }
+    pData->soMaxConn = iSoMaxConn > 0 ? iSoMaxConn : pData->soMaxConn;
+    LogRel(("New value of somaxconn: %d\n", pData->soMaxConn));
+    LogFlowFuncLeave();
+}
 /* don't allow user set less 8kB and more than 1M values */
 #define _8K_1M_CHECK_ARG(name, val) CHECK_ARG(name, (val), 8, 1024)

trunk/src/VBox/Devices/Network/slirp/slirp_state.h

@@ -134 +134 @@
     int socket_rcv;
     int socket_snd;
+    int soMaxConn;
 #ifdef VBOX_WITH_SLIRP_MT
     PRTREQQUEUE pReqQueue;

trunk/src/VBox/Devices/Network/slirp/socket.c

@@ -1025 +1025 @@
         || (setsockopt(s, SOL_SOCKET, SO_REUSEADDR,(char *)&opt, sizeof(int)) < 0)
         || (bind(s,(struct sockaddr *)&addr, sizeof(addr)) < 0)
-        || (listen(s, SOMAXCONN) < 0))
+        || (listen(s, pData->soMaxConn) < 0))
     {
 #ifdef RT_OS_WINDOWS