From ad8c021c546b687e4bf9327aad50854fa0f0d19c Mon Sep 17 00:00:00 2001
From: Mathias Stearn <mathias@10gen.com>
Date: Tue, 7 Sep 2010 17:04:35 -0400
Subject: support sub-second timeouts SERVER-1515

---
 client/dbclient.h | 4 ++--
 util/message.cpp  | 2 +-
 util/message.h    | 4 ++--
 util/sock.h       | 6 +++---
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/client/dbclient.h b/client/dbclient.h
index 5ca2b8f6345..944805582bc 100644
--- a/client/dbclient.h
+++ b/client/dbclient.h
@@ -796,7 +796,7 @@ namespace mongo {
         void _checkConnection();
         void checkConnection() { if( failed ) _checkConnection(); }
 		map< string, pair<string,string> > authCache;
-        int _timeout;
+        double _timeout;
         
         bool _connect( string& errmsg );
     public:
@@ -807,7 +807,7 @@ namespace mongo {
            @param timeout tcp timeout in seconds - this is for read/write, not connect.  
            Connect timeout is fixed, but short, at 5 seconds.
          */
-        DBClientConnection(bool _autoReconnect=false, DBClientReplicaSet* cp=0, int timeout=0) :
+        DBClientConnection(bool _autoReconnect=false, DBClientReplicaSet* cp=0, double timeout=0) :
                 clientSet(cp), failed(false), autoReconnect(_autoReconnect), lastReconnectTry(0), _timeout(timeout) { }
 
         /** Connect to a Mongo database server.
diff --git a/util/message.cpp b/util/message.cpp
index a809c1fa091..cd19bd590bc 100644
--- a/util/message.cpp
+++ b/util/message.cpp
@@ -301,7 +301,7 @@ namespace mongo {
         ports.insert(this);
     }
 
-    MessagingPort::MessagingPort( int timeout, int ll ) : tag(0) {
+    MessagingPort::MessagingPort( double timeout, int ll ) : tag(0) {
         _logLevel = ll;
         ports.insert(this);
         sock = -1;
diff --git a/util/message.h b/util/message.h
index 203ad832b99..9651141ad6c 100644
--- a/util/message.h
+++ b/util/message.h
@@ -98,7 +98,7 @@ namespace mongo {
         // in some cases the timeout will actually be 2x this value - eg we do a partial send,
         // then the timeout fires, then we try to send again, then the timeout fires again with
         // no data sent, then we detect that the other side is down
-        MessagingPort(int timeout = 0, int logLevel = 0 );
+        MessagingPort(double timeout = 0, int logLevel = 0 );
 
         virtual ~MessagingPort();
 
@@ -133,7 +133,7 @@ namespace mongo {
         PiggyBackData * piggyBackData;
     public:
         SockAddr farEnd;
-        int _timeout;
+        double _timeout;
         int _logLevel; // passed to log() when logging errors
 
         static void closeAllSockets(unsigned tagMask = 0xffffffff);
diff --git a/util/sock.h b/util/sock.h
index 4b4290d2324..897be8a4fc4 100644
--- a/util/sock.h
+++ b/util/sock.h
@@ -115,10 +115,10 @@ namespace mongo {
         return "/tmp/mongodb-" + BSONObjBuilder::numStr(port) + ".sock";
     }
 
-    inline void setSockTimeouts(int sock, int secs) {
+    inline void setSockTimeouts(int sock, double secs) {
         struct timeval tv;
-        tv.tv_sec = secs;
-        tv.tv_usec = 0;
+        tv.tv_sec = (int)secs;
+        tv.tv_usec = (int)((long long)(secs*1000*1000) % (1000*1000));
         bool report = logLevel > 3; // solaris doesn't provide these
         DEV report = true;
         bool ok = setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, (char *) &tv, sizeof(tv) ) == 0;
-- 
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