1 files changed, 77 insertions, 0 deletions
diff --git a/third_party/libjingle/files/talk/xmpp/ratelimitmanager.cc b/third_party/libjingle/files/talk/xmpp/ratelimitmanager.cc
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+++ b/third_party/libjingle/files/talk/xmpp/ratelimitmanager.cc
@@ -0,0 +1,77 @@
+/*
+ * libjingle
+ * Copyright 2004--2006, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice, 
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products 
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "talk/xmpp/ratelimitmanager.h"
+
+namespace buzz {
+
+RateLimitManager::RateLimit* RateLimitManager::GetRateLimit(
+    const std::string event_name) {
+  RateLimitMap::iterator it = rate_limits_.find(event_name);
+  if (it != rate_limits_.end()) {
+    return it->second;
+  }
+  return NULL;
+}
+
+bool RateLimitManager::IsWithinRateLimit(const std::string event_name) {
+  RateLimit* current_rate = GetRateLimit(event_name);
+  if (current_rate) {
+    return current_rate->IsWithinRateLimit();
+  }
+  return true; // If no rate limit is set, then you must be under the limit
+}
+
+void RateLimitManager::UpdateRateLimit(const std::string event_name, 
+                                       int max_count, 
+                                       int per_x_seconds) {
+  RateLimit* current_rate = GetRateLimit(event_name);
+  if (!current_rate) {
+    current_rate = new RateLimit(max_count, per_x_seconds);
+    rate_limits_[event_name] = current_rate;
+  }
+  current_rate->UpdateRateLimit();
+}                            
+
+bool RateLimitManager::VerifyRateLimit(const std::string event_name, 
+                                       int max_count, 
+                                       int per_x_seconds) {
+  return VerifyRateLimit(event_name, max_count, per_x_seconds, false);
+}
+
+bool RateLimitManager::VerifyRateLimit(const std::string event_name, 
+                                       int max_count, 
+                                       int per_x_seconds, 
+                                       bool always_update) {
+  bool within_rate_limit = IsWithinRateLimit(event_name);
+  if (within_rate_limit || always_update) {
+    UpdateRateLimit(event_name, max_count, per_x_seconds);
+  }
+  return within_rate_limit;
+}
+
+}