Bogdan Nicula's hanging test case was converted to test case 533 and the test

now runs fine.

CHANGES

@@ -6,6 +6,10 @@
 
                                   Changelog
 
+Daniel (6 October 2006)
+- Bogdan Nicula's hanging test case was converted to test case 533 and the test
+  now runs fine.
+
 Daniel (4 October 2006)
 - Dmitriy Sergeyev provided an example source code that crashed CVS libcurl
   but that worked nicely in 7.15.5. I converted it into test case 532 and

RELEASE-NOTES

@@ -61,6 +61,6 @@ advice from friends like these:
  Domenico Andreoli, Armel Asselin, Gisle Vanem, Yang Tse, Andrew Biggs,
  Peter Sylvester, David McCreedy, Dmitriy Sergeyev, Dmitry Rechkin,
  Jari Sundell, Ravi Pratap, Michele Bini, Jeff Pohlmeyer, Michael Wallner,
- Mike Protts, Cory Nelson, Bernard Leak
+ Mike Protts, Cory Nelson, Bernard Leak, Bogdan Nicula
 
         Thanks! (and sorry if I forgot to mention someone)

TODO-RELEASE

@@ -1,8 +1,6 @@
 To get fixed in 7.16.0 (planned release: October 2006)
 ======================
 
-66 - Bogdan Nicula's test case
-
 67 - Jeff Pohlmeyer's test case
 
 68 - Dmitriy Sergeyev's test02.c and test03.c

lib/multi.c

@@ -942,9 +942,14 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
 
     case CURLM_STATE_WAITDO:
       /* Wait for our turn to DO when we're pipelining requests */
-      infof(easy->easy_handle, "Connection #%d: send pipe size = %d\n",
+#ifdef CURLDEBUG
+      infof(easy->easy_handle, "Conn %d send pipe %d inuse %d athead %d\n",
             easy->easy_conn->connectindex,
-            easy->easy_conn->send_pipe->size);
+            easy->easy_conn->send_pipe->size,
+            easy->easy_conn->writechannel_inuse,
+            Curl_isHandleAtHead(easy->easy_handle,
+                                easy->easy_conn->send_pipe));
+#endif
       if (!easy->easy_conn->writechannel_inuse &&
           Curl_isHandleAtHead(easy->easy_handle,
                               easy->easy_conn->send_pipe)) {
@@ -1232,6 +1237,11 @@ static CURLMcode multi_runsingle(struct Curl_multi *multi,
          * If an error was returned, and we aren't in completed state now,
          * then we go to completed and consider this transfer aborted.
          */
+        if(easy->easy_conn) {
+          /* if this has a connection, unsubscribe from the pipelines */
+          easy->easy_conn->writechannel_inuse = FALSE;
+          easy->easy_conn->readchannel_inuse = FALSE;
+        }
         multistate(easy, CURLM_STATE_COMPLETED);
       }
     }
@@ -1345,7 +1355,6 @@ CURLMcode curl_multi_cleanup(CURLM *multi_handle)
     Curl_hash_destroy(multi->hostcache);
     Curl_hash_destroy(multi->sockhash);
 
-#if 1
     /* go over all connections that have close actions */
     for(i=0; i< multi->connc->num; i++) {
       if(multi->connc->connects[i] &&
@@ -1367,7 +1376,6 @@ CURLMcode curl_multi_cleanup(CURLM *multi_handle)
       free(cl);
       cl= n;
     }
-#endif
 
     Curl_rm_connc(multi->connc);
 

tests/data/test533

@@ -0,0 +1,53 @@
+<info>
+<keywords>
+FTP
+PASV
+RETR
+</keywords>
+</info>
+# Server-side
+<reply>
+<data>
+</data>
+
+<servercmd>
+REPLY RETR 550 the file doesn't exist
+REPLY SIZE 550 Can't check for file existence
+</servercmd>
+</reply>
+
+# Client-side
+<client>
+<server>
+ftp
+</server>
+<tool>
+lib533
+</tool>
+ <name>
+FTP RETR a non-existing file twice using the multi interface
+ </name>
+ <command>
+ftp://%HOSTIP:%FTPPORT/path/533
+</command>
+</client>
+
+# Verify data after the test has been "shot"
+<verify>
+<strip>
+</strip>
+<protocol>
+USER anonymous
+PASS curl_by_daniel@haxx.se
+PWD
+CWD path
+EPSV
+TYPE I
+SIZE 533
+RETR 533
+EPSV
+SIZE 533
+RETR 533
+QUIT
+</protocol>
+</verify>

tests/libtest/Makefile.am

@@ -42,7 +42,7 @@ SUPPORTFILES = first.c test.h
 noinst_PROGRAMS = lib500 lib501 lib502 lib503 lib504 lib505 lib506	\
   lib507 lib508 lib509 lib510 lib511 lib512 lib513 lib514 lib515 lib516	\
   lib517 lib518 lib519 lib520 lib521 lib523 lib524 lib525 lib526 lib527	\
-  lib529 lib530 lib532
+  lib529 lib530 lib532 lib533
 
 lib500_SOURCES = lib500.c $(SUPPORTFILES)
 lib500_LDADD = $(LIBDIR)/libcurl.la
@@ -168,3 +168,8 @@ lib532_SOURCES = lib526.c $(SUPPORTFILES)
 lib532_CFLAGS = -DLIB532
 lib532_LDADD = $(LIBDIR)/libcurl.la
 lib532_DEPENDENCIES = $(LIBDIR)/libcurl.la
+
+lib533_SOURCES = lib533.c $(SUPPORTFILES)
+lib533_LDADD = $(LIBDIR)/libcurl.la
+lib533_DEPENDENCIES = $(LIBDIR)/libcurl.la
+

tests/libtest/lib533.c

@@ -0,0 +1,113 @@
+/*****************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * $Id$
+ */
+
+#include "test.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+int test(char *URL)
+{
+  int res = 0;
+  CURL *curl;
+  int running;
+  char done=FALSE;
+  CURLM *m;
+  int current=0;
+  int i;
+
+  /* In windows, this will init the winsock stuff */
+  curl_global_init(CURL_GLOBAL_ALL);
+
+  curl = curl_easy_init();
+  if(!curl)
+    return 100 + i; /* major bad */
+
+  curl_easy_setopt(curl, CURLOPT_URL, URL);
+
+  /* go verbose */
+  curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
+
+  m = curl_multi_init();
+
+  res = (int)curl_multi_add_handle(m, curl);
+
+  fprintf(stderr, "Start at URL 0\n");
+
+  while(!done) {
+    fd_set rd, wr, exc;
+    int max_fd;
+    struct timeval interval;
+
+    interval.tv_sec = 1;
+    interval.tv_usec = 0;
+
+    while (res == CURLM_CALL_MULTI_PERFORM) {
+      res = (int)curl_multi_perform(m, &running);
+      if (running <= 0) {
+        if(!current++) {
+          fprintf(stderr, "Advancing to URL 1\n");
+          /* remove the handle we use */
+          curl_multi_remove_handle(m, curl);
+
+          /* make us re-use the same handle all the time, and try resetting
+             the handle first too */
+          curl_easy_reset(curl);
+          curl_easy_setopt(curl, CURLOPT_URL, URL);
+          curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
+
+          /* re-add it */
+          res = (int)curl_multi_add_handle(m, curl);
+          if(res) {
+            fprintf(stderr, "add handle failed: %d.\n", res);
+            res = 243;
+            break;
+          }
+        }
+        else
+          done = TRUE; /* bail out */
+        break;
+      }
+    }
+    if(done)
+      break;
+
+    if (res != CURLM_OK) {
+      fprintf(stderr, "not okay???\n");
+      break;
+    }
+
+    FD_ZERO(&rd);
+    FD_ZERO(&wr);
+    FD_ZERO(&exc);
+    max_fd = 0;
+
+    if (curl_multi_fdset(m, &rd, &wr, &exc, &max_fd) != CURLM_OK) {
+      fprintf(stderr, "unexpected failured of fdset.\n");
+      res = 189;
+      break;
+    }
+
+    if (select_test(max_fd+1, &rd, &wr, &exc, &interval) == -1) {
+      fprintf(stderr, "bad select??\n");
+      res = 195;
+      break;
+    }
+
+    res = CURLM_CALL_MULTI_PERFORM;
+  }
+
+  curl_easy_cleanup(curl);
+  curl_multi_cleanup(m);
+
+  curl_global_cleanup();
+  return res;
+}