- Introducing curl_easy_send() and curl_easy_recv(). They can be used to send

and receive data over a connection previously setup with curl_easy_perform()
  and its CURLOPT_CONNECT_ONLY option. The sendrecv.c example was added to
  show how they can be used.

include/curl/curl.h

@@ -447,6 +447,8 @@ typedef enum {
 
   CURLE_SSL_SHUTDOWN_FAILED,     /* 80 - Failed to shut down the SSL
                                     connection */
+  CURLE_AGAIN,                   /* 81 - socket is not ready for send/recv,
+                                    wait till it's ready and try again */
   CURL_LAST /* never use! */
 } CURLcode;
 

include/curl/easy.h

@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2008, 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
@@ -74,6 +74,28 @@ CURL_EXTERN CURL* curl_easy_duphandle(CURL *curl);
  */
 CURL_EXTERN void curl_easy_reset(CURL *curl);
 
+/*
+ * NAME curl_easy_recv()
+ *
+ * DESCRIPTION
+ *
+ * Receives data from the connected socket. Use after successful
+ * curl_easy_perform() with CURLOPT_CONNECT_ONLY option.
+ */
+CURL_EXTERN CURLcode curl_easy_recv(CURL *curl, void *buffer, size_t buflen,
+                                    size_t *n);
+
+/*
+ * NAME curl_easy_send()
+ *
+ * DESCRIPTION
+ *
+ * Sends data over the connected socket. Use after successful
+ * curl_easy_perform() with CURLOPT_CONNECT_ONLY option.
+ */
+CURL_EXTERN CURLcode curl_easy_send(CURL *curl, const void *buffer,
+                                    size_t buflen, size_t *n);
+
 #ifdef  __cplusplus
 }
 #endif