From c25383ae1329199107943211e543612d288eb1ae Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 15 Feb 2013 11:03:42 +0100
Subject: rename "easy" statemachines: call them block instead

... since they're not used by the easy interface really, I wanted to
remove the association. Also, I unified the pingpong statemachine driver
into a single function with a 'wait' argument: Curl_pp_statemach.
---
 lib/pingpong.c | 74 +++++++++++++++++-----------------------------------------
 1 file changed, 22 insertions(+), 52 deletions(-)

(limited to 'lib/pingpong.c')

diff --git a/lib/pingpong.c b/lib/pingpong.c
index 330b47f76..eeeeec339 100644
--- a/lib/pingpong.c
+++ b/lib/pingpong.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2013, 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
@@ -76,48 +76,10 @@ long Curl_pp_state_timeout(struct pingpong *pp)
   return timeout_ms;
 }
 
-
 /*
- * Curl_pp_multi_statemach()
- *
- * called repeatedly until done when the multi interface is used.
+ * Curl_pp_statemach()
  */
-CURLcode Curl_pp_multi_statemach(struct pingpong *pp)
-{
-  struct connectdata *conn = pp->conn;
-  curl_socket_t sock = conn->sock[FIRSTSOCKET];
-  int rc;
-  struct SessionHandle *data=conn->data;
-  CURLcode result = CURLE_OK;
-  long timeout_ms = Curl_pp_state_timeout(pp);
-
-  if(timeout_ms <= 0) {
-    failf(data, "server response timeout");
-    return CURLE_OPERATION_TIMEDOUT;
-  }
-
-  rc = Curl_socket_ready(pp->sendleft?CURL_SOCKET_BAD:sock, /* reading */
-                         pp->sendleft?sock:CURL_SOCKET_BAD, /* writing */
-                         0);
-
-  if(rc == -1) {
-    failf(data, "select/poll error");
-    return CURLE_OUT_OF_MEMORY;
-  }
-  else if(rc != 0)
-    result = pp->statemach_act(conn);
-
-  /* if rc == 0, then select() timed out */
-
-  return result;
-}
-
-/*
- * Curl_pp_easy_statemach()
- *
- * called repeatedly until done when the easy interface is used.
- */
-CURLcode Curl_pp_easy_statemach(struct pingpong *pp)
+CURLcode Curl_pp_statemach(struct pingpong *pp, bool wait)
 {
   struct connectdata *conn = pp->conn;
   curl_socket_t sock = conn->sock[FIRSTSOCKET];
@@ -125,29 +87,37 @@ CURLcode Curl_pp_easy_statemach(struct pingpong *pp)
   long interval_ms;
   long timeout_ms = Curl_pp_state_timeout(pp);
   struct SessionHandle *data=conn->data;
-  CURLcode result;
+  CURLcode result = CURLE_OK;
 
   if(timeout_ms <=0 ) {
     failf(data, "server response timeout");
     return CURLE_OPERATION_TIMEDOUT; /* already too little time */
   }
 
-  interval_ms = 1000;  /* use 1 second timeout intervals */
-  if(timeout_ms < interval_ms)
-    interval_ms = timeout_ms;
+  if(wait) {
+    interval_ms = 1000;  /* use 1 second timeout intervals */
+    if(timeout_ms < interval_ms)
+      interval_ms = timeout_ms;
+  }
+  else
+    interval_ms = 0; /* immediate */
 
   rc = Curl_socket_ready(pp->sendleft?CURL_SOCKET_BAD:sock, /* reading */
                          pp->sendleft?sock:CURL_SOCKET_BAD, /* writing */
                          interval_ms);
 
-  if(Curl_pgrsUpdate(conn))
-    result = CURLE_ABORTED_BY_CALLBACK;
-  else
-    result = Curl_speedcheck(data, Curl_tvnow());
+  if(wait) {
+    /* if we didn't wait, we don't have to spend time on this now */
+    if(Curl_pgrsUpdate(conn))
+      result = CURLE_ABORTED_BY_CALLBACK;
+    else
+      result = Curl_speedcheck(data, Curl_tvnow());
 
-  if(result)
-    ;
-  else if(rc == -1) {
+    if(result)
+      return result;
+  }
+
+  if(rc == -1) {
     failf(data, "select/poll error");
     result = CURLE_OUT_OF_MEMORY;
   }
-- 
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