SSL session sharing support added

With locking, plus test, plus documentation

1 files changed, 246 insertions, 0 deletions

diff --git a/tests/libtest/lib586.c b/tests/libtest/lib586.c
new file mode 100644
index 000000000..2cf04fe85
--- /dev/null
+++ b/tests/libtest/lib586.c
@@ -0,0 +1,246 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2011, 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
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#include "test.h"
+
+#include <curl/mprintf.h>
+
+#include "memdebug.h"
+
+#define THREADS 2
+
+/* struct containing data of a thread */
+struct Tdata {
+  CURLSH *share;
+  char *url;
+};
+
+struct userdata {
+  char *text;
+  int counter;
+};
+
+/* lock callback */
+static void my_lock(CURL *handle, curl_lock_data data, curl_lock_access laccess,
+          void *useptr )
+{
+  const char *what;
+  struct userdata *user = (struct userdata *)useptr;
+
+  (void)handle;
+  (void)laccess;
+
+  switch ( data ) {
+    case CURL_LOCK_DATA_SHARE:
+      what = "share";
+      break;
+    case CURL_LOCK_DATA_DNS:
+      what = "dns";
+      break;
+    case CURL_LOCK_DATA_COOKIE:
+      what = "cookie";
+      break;
+    case CURL_LOCK_DATA_SSL_SESSION:
+      what = "ssl_session";
+      break;
+    default:
+      fprintf(stderr, "lock: no such data: %d\n", (int)data);
+      return;
+  }
+  printf("lock:   %-6s [%s]: %d\n", what, user->text, user->counter);
+  user->counter++;
+}
+
+/* unlock callback */
+static void my_unlock(CURL *handle, curl_lock_data data, void *useptr )
+{
+  const char *what;
+  struct userdata *user = (struct userdata *)useptr;
+  (void)handle;
+  switch ( data ) {
+    case CURL_LOCK_DATA_SHARE:
+      what = "share";
+      break;
+    case CURL_LOCK_DATA_DNS:
+      what = "dns";
+      break;
+    case CURL_LOCK_DATA_COOKIE:
+      what = "cookie";
+      break;
+    case CURL_LOCK_DATA_SSL_SESSION:
+      what = "ssl_session";
+      break;
+    default:
+      fprintf(stderr, "unlock: no such data: %d\n", (int)data);
+      return;
+  }
+  printf("unlock: %-6s [%s]: %d\n", what, user->text, user->counter);
+  user->counter++;
+}
+
+/* the dummy thread function */
+static void *fire(void *ptr)
+{
+  CURLcode code;
+  struct Tdata *tdata = (struct Tdata*)ptr;
+  CURL *curl;
+  int i=0;
+
+  if ((curl = curl_easy_init()) == NULL) {
+    fprintf(stderr, "curl_easy_init() failed\n");
+    return NULL;
+  }
+
+  curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
+  curl_easy_setopt(curl, CURLOPT_VERBOSE,    1L);
+  curl_easy_setopt(curl, CURLOPT_URL,        tdata->url);
+  printf( "CURLOPT_SHARE\n" );
+  curl_easy_setopt(curl, CURLOPT_SHARE, tdata->share);
+
+  printf( "PERFORM\n" );
+  code = curl_easy_perform(curl);
+  if( code != CURLE_OK ) {
+    fprintf(stderr, "perform url '%s' repeat %d failed, curlcode %d\n",
+            tdata->url, i, (int)code);
+  }
+
+  printf( "CLEANUP\n" );
+  curl_easy_cleanup(curl);
+
+  return NULL;
+}
+
+/* test function */
+int test(char *URL)
+{
+  int res;
+  CURLSHcode scode = CURLSHE_OK;
+  char *url;
+  struct Tdata tdata;
+  CURL *curl;
+  CURLSH *share;
+  int i;
+  struct userdata user;
+
+  user.text = (char *)"Pigs in space";
+  user.counter = 0;
+
+  printf( "GLOBAL_INIT\n" );
+  if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
+    fprintf(stderr, "curl_global_init() failed\n");
+    return TEST_ERR_MAJOR_BAD;
+  }
+
+  /* prepare share */
+  printf( "SHARE_INIT\n" );
+  if ((share = curl_share_init()) == NULL) {
+    fprintf(stderr, "curl_share_init() failed\n");
+    curl_global_cleanup();
+    return TEST_ERR_MAJOR_BAD;
+  }
+
+  if ( CURLSHE_OK == scode ) {
+    printf( "CURLSHOPT_LOCKFUNC\n" );
+    scode = curl_share_setopt( share, CURLSHOPT_LOCKFUNC, my_lock);
+  }
+  if ( CURLSHE_OK == scode ) {
+    printf( "CURLSHOPT_UNLOCKFUNC\n" );
+    scode = curl_share_setopt( share, CURLSHOPT_UNLOCKFUNC, my_unlock);
+  }
+  if ( CURLSHE_OK == scode ) {
+    printf( "CURLSHOPT_USERDATA\n" );
+    scode = curl_share_setopt( share, CURLSHOPT_USERDATA, &user);
+  }
+  if ( CURLSHE_OK == scode ) {
+    printf( "CURL_LOCK_DATA_SSL_SESSION\n" );
+    scode = curl_share_setopt( share, CURLSHOPT_SHARE, CURL_LOCK_DATA_SSL_SESSION);
+  }
+
+  if ( CURLSHE_OK != scode ) {
+    fprintf(stderr, "curl_share_setopt() failed\n");
+    curl_share_cleanup(share);
+    curl_global_cleanup();
+    return TEST_ERR_MAJOR_BAD;
+  }
+
+
+  res = 0;
+
+  /* start treads */
+  for (i=1; i<=THREADS; i++ ) {
+
+    /* set thread data */
+    tdata.url   = URL;
+    tdata.share = share;
+
+    /* simulate thread, direct call of "thread" function */
+    printf( "*** run %d\n",i );
+    fire( &tdata );
+  }
+
+
+  /* fetch a another one */
+  printf( "*** run %d\n", i );
+  if ((curl = curl_easy_init()) == NULL) {
+    fprintf(stderr, "curl_easy_init() failed\n");
+    curl_share_cleanup(share);
+    curl_global_cleanup();
+    return TEST_ERR_MAJOR_BAD;
+  }
+
+  url = URL;
+  test_setopt( curl, CURLOPT_URL,        url );
+  printf( "CURLOPT_SHARE\n" );
+  test_setopt( curl, CURLOPT_SHARE,      share );
+
+  printf( "PERFORM\n" );
+  curl_easy_perform( curl );
+
+  /* try to free share, expect to fail because share is in use*/
+  printf( "try SHARE_CLEANUP...\n" );
+  scode = curl_share_cleanup( share );
+  if ( scode==CURLSHE_OK )
+  {
+    fprintf(stderr, "curl_share_cleanup succeed but error expected\n");
+    share = NULL;
+  } else {
+    printf( "SHARE_CLEANUP failed, correct\n" );
+  }
+
+test_cleanup:
+
+  /* clean up last handle */
+  printf( "CLEANUP\n" );
+  curl_easy_cleanup( curl );
+
+  /* free share */
+  printf( "SHARE_CLEANUP\n" );
+  scode = curl_share_cleanup( share );
+  if ( scode!=CURLSHE_OK )
+    fprintf(stderr, "curl_share_cleanup failed, code errno %d\n",
+            (int)scode);
+
+  printf( "GLOBAL_CLEANUP\n" );
+  curl_global_cleanup();
+
+  return res;
+}
+