diff --git a/contrib/async-test/test-server.cpp b/contrib/async-test/test-server.cpp
new file mode 100644
index 0000000..a55c348
--- /dev/null
+++ b/contrib/async-test/test-server.cpp
@@ -0,0 +1,97 @@
+#include <tr1/functional>
+#include "protocol/TBinaryProtocol.h"
+#include "async/TAsyncProtocolProcessor.h"
+#include "async/TEvhttpServer.h"
+#include "async/TEvhttpClientChannel.h"
+#include "Aggr.h"
+
+using std::tr1::bind;
+using std::tr1::placeholders::_1;
+
+using apache::thrift::TException;
+using apache::thrift::protocol::TBinaryProtocolFactory;
+using apache::thrift::protocol::TProtocolFactory;
+using apache::thrift::async::TEvhttpServer;
+using apache::thrift::async::TAsyncProcessor;
+using apache::thrift::async::TAsyncBufferProcessor;
+using apache::thrift::async::TAsyncProtocolProcessor;
+using apache::thrift::async::TAsyncChannel;
+using apache::thrift::async::TEvhttpClientChannel;
+
+class AggrAsyncHandler : public AggrCobSvIf {
+ protected:
+  struct RequestContext {
+    std::tr1::function<void(std::vector<int32_t> const& _return)> cob;
+    std::vector<int32_t> ret;
+    int pending_calls;
+  };
+
+ public:
+  AggrAsyncHandler()
+    : eb_(NULL)
+    , pfact_(new TBinaryProtocolFactory())
+  {
+    leaf_ports_.push_back(8081);
+    leaf_ports_.push_back(8082);
+  }
+
+  void addValue(std::tr1::function<void()> cob, const int32_t value) {
+    // Silently drop writes to the aggrgator.
+    return cob();
+  }
+
+  void getValues(std::tr1::function<void(
+        std::vector<int32_t> const& _return)> cob,
+      std::tr1::function<void(::apache::thrift::TDelayedException* _throw)> exn_cob) {
+    RequestContext* ctx = new RequestContext();
+    ctx->cob = cob;
+    ctx->pending_calls = leaf_ports_.size();
+    for (std::vector<int>::iterator it = leaf_ports_.begin();
+        it != leaf_ports_.end(); ++it) {
+      boost::shared_ptr<TAsyncChannel> channel(
+          new TEvhttpClientChannel(
+            "localhost", "/", "127.0.0.1", *it, eb_));
+      AggrCobClient* client = new AggrCobClient(channel, pfact_.get());
+      client->getValues(std::tr1::bind(&AggrAsyncHandler::clientReturn, this, ctx, _1));
+    }
+  }
+
+  void setEventBase(struct event_base* eb) {
+    eb_ = eb;
+  }
+
+  void clientReturn(RequestContext* ctx, AggrCobClient* client) {
+    ctx->pending_calls -= 1;
+
+    try {
+      std::vector<int32_t> subret;
+      client->recv_getValues(subret);
+      ctx->ret.insert(ctx->ret.end(), subret.begin(), subret.end());
+    } catch (TException& exn) {
+      // TODO: Log error
+    }
+
+    delete client;
+
+    if (ctx->pending_calls == 0) {
+      ctx->cob(ctx->ret);
+      delete ctx;
+    }
+  }
+
+ protected:
+  struct event_base* eb_;
+  std::vector<int> leaf_ports_;
+  boost::shared_ptr<TProtocolFactory> pfact_;
+};
+
+
+int main() {
+  boost::shared_ptr<AggrAsyncHandler> handler(new AggrAsyncHandler());
+  boost::shared_ptr<TAsyncProcessor> proc(new AggrAsyncProcessor(handler));
+  boost::shared_ptr<TProtocolFactory> pfact(new TBinaryProtocolFactory());
+  boost::shared_ptr<TAsyncBufferProcessor> bufproc(new TAsyncProtocolProcessor(proc, pfact));
+  boost::shared_ptr<TEvhttpServer> server(new TEvhttpServer(bufproc, 8080));
+  handler->setEventBase(server->getEventBase());
+  server->serve();
+}