Add the page url to plugin crashes to aid debugging.

Review URL: http://codereview.chromium.org/155238

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@20191 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 71 insertions, 0 deletions

diff --git a/chrome/common/child_process_logging_mac.mm b/chrome/common/child_process_logging_mac.mm
new file mode 100644
index 0000000..a05b79d
--- /dev/null
+++ b/chrome/common/child_process_logging_mac.mm
@@ -0,0 +1,71 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/common/child_process_logging.h"
+
+#import <Foundation/Foundation.h>
+
+#include "base/string_util.h"
+#include "googleurl/src/gurl.h"
+#import "chrome/app/breakpad_mac.h"
+
+namespace child_process_logging {
+
+const int kMaxNumCrashURLChunks = 8;
+const int kMaxNumURLChunkValueLength = 255;
+const char *kUrlChunkFormatStr = "url-chunk-%d";
+
+void SetActiveURLImpl(const GURL& url,
+                      SetCrashKeyValueFuncPtr set_key_func,
+                      ClearCrashKeyValueFuncPtr clear_key_func) {
+
+  NSString *kUrlChunkFormatStr_utf8 = [NSString
+      stringWithUTF8String:kUrlChunkFormatStr];
+
+  // First remove any old url chunks we might have lying around.
+  for (int i = 0; i < kMaxNumCrashURLChunks; i++) {
+    // On Windows the url-chunk items are 1-based, so match that.
+    NSString *key = [NSString stringWithFormat:kUrlChunkFormatStr_utf8, i+1];
+    clear_key_func(key);
+  }
+
+  const std::string& raw_url_utf8 = url.possibly_invalid_spec();
+  NSString *raw_url = [NSString stringWithUTF8String:raw_url_utf8.c_str()];
+  size_t raw_url_length = [raw_url length];
+
+  // Bail on zero-length URLs.
+  if (raw_url_length == 0) {
+    return;
+  }
+
+  // Parcel the URL up into up to 8, 255 byte segments.
+  size_t start_ofs = 0;
+  for (int i = 0;
+       i < kMaxNumCrashURLChunks && start_ofs < raw_url_length;
+       ++i) {
+
+    // On Windows the url-chunk items are 1-based, so match that.
+    NSString *key = [NSString stringWithFormat:kUrlChunkFormatStr_utf8, i+1];
+    NSRange range;
+    range.location = start_ofs;
+    range.length = std::min((size_t)kMaxNumURLChunkValueLength,
+                            raw_url_length - start_ofs);
+    NSString *value = [raw_url substringWithRange:range];
+    set_key_func(key, value);
+
+    // Next chunk.
+    start_ofs += kMaxNumURLChunkValueLength;
+  }
+}
+
+void SetActiveURL(const GURL& url) {
+  // If Breakpad isn't initialized then bail.
+  if (IsCrashReporterDisabled()) {
+    return;
+  }
+
+  SetActiveURLImpl(url, SetCrashKeyValue, ClearCrashKeyValue);
+}
+
+}  // namespace child_process_logging