From 9c788a529beb63e95de5be013bb4b0f26f8456a0 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Thu, 7 May 2009 20:00:44 +0000
Subject: - Made the SO_SNDBUF setting for the data connection socket for ftp
 uploads as   well. See change 28 Apr 2009.

---
 lib/connect.c |  8 +++-----
 lib/connect.h | 18 +++++++++++++++++-
 lib/ftp.c     |  3 +++
 3 files changed, 23 insertions(+), 6 deletions(-)

(limited to 'lib')

diff --git a/lib/connect.c b/lib/connect.c
index d7b2f7fc0..930b2b039 100644
--- a/lib/connect.c
+++ b/lib/connect.c
@@ -714,15 +714,13 @@ static void nosigpipe(struct connectdata *conn,
    Buffer Size
 
 */
-static void sndbufset(struct connectdata *conn,
-                      curl_socket_t sockfd)
+void Curl_sndbufset(curl_socket_t sockfd)
 {
   int val = CURL_MAX_WRITE_SIZE + 32;
-  (void)conn;
   setsockopt(sockfd, SOL_SOCKET, SO_SNDBUF, (const char *)&val, sizeof(val));
 }
 #else
-#define sndbufset(x,y)
+#define Curl_sndbufset(y)
 #endif
 
 
@@ -829,7 +827,7 @@ singleipconnect(struct connectdata *conn,
 
   nosigpipe(conn, sockfd);
 
-  sndbufset(conn, sockfd);
+  Curl_sndbufset(sockfd);
 
   if(data->set.fsockopt) {
     /* activate callback for setting socket options */
diff --git a/lib/connect.h b/lib/connect.h
index 38ed4125b..ae47c2174 100644
--- a/lib/connect.h
+++ b/lib/connect.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -54,4 +54,20 @@ long Curl_timeleft(struct connectdata *conn,
 CURLcode Curl_getconnectinfo(struct SessionHandle *data,
                              long *param_longp,
                              struct connectdata **connp);
+
+#ifdef WIN32
+/* When you run a program that uses the Windows Sockets API, you may
+   experience slow performance when you copy data to a TCP server.
+
+   http://support.microsoft.com/kb/823764
+
+   Work-around: Make the Socket Send Buffer Size Larger Than the Program Send
+   Buffer Size
+
+*/
+void Curl_sndbufset(curl_socket_t sockfd);
+#else
+#define Curl_sndbufset(y)
+#endif
+
 #endif
diff --git a/lib/ftp.c b/lib/ftp.c
index e8f51c685..e9931ae04 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -2308,6 +2308,9 @@ static CURLcode ftp_state_stor_resp(struct connectdata *conn,
 
   Curl_pgrsSetUploadSize(data, data->set.infilesize);
 
+  /* set the SO_SNDBUF for the secondary socket for those who need it */
+  Curl_sndbufset(conn->sock[SECONDARYSOCKET]);
+
   result = Curl_setup_transfer(conn, -1, -1, FALSE, NULL, /* no download */
                                SECONDARYSOCKET, ftp->bytecountp);
   state(conn, FTP_STOP);
-- 
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