Squashed 'third_party/seasocks/' content from commit 016dc60

Change-Id: I195fa5bfd0c0e3cc66fbbefcc7b5170bafcf7a36
git-subtree-dir: third_party/seasocks
git-subtree-split: 016dc60b247e0d1d563aea6d22a9075e6884ab9f
diff --git a/src/app/c/ws_test.cpp b/src/app/c/ws_test.cpp
new file mode 100644
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+++ b/src/app/c/ws_test.cpp
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+// Copyright (c) 2013, Matt Godbolt
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without 
+// modification, are permitted provided that the following conditions are met:
+// 
+// Redistributions of source code must retain the above copyright notice, this 
+// list of conditions and the following disclaimer.
+// 
+// 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.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
+
+// An extraordinarily simple test which presents a web page with some buttons.
+// Clicking on the numbered button increments the number, which is visible to
+// other connected clients.  WebSockets are used to do this: by the rather
+// suspicious means of sending raw JavaScript commands to be executed on other
+// clients.
+
+#include "seasocks/PrintfLogger.h"
+#include "seasocks/Server.h"
+#include "seasocks/StringUtil.h"
+#include "seasocks/WebSocket.h"
+#include "seasocks/util/Json.h"
+
+#include <cstring>
+#include <iostream>
+#include <memory>
+#include <set>
+#include <sstream>
+#include <string>
+
+using namespace seasocks;
+using namespace std;
+
+class MyHandler: public WebSocket::Handler {
+public:
+    MyHandler(Server* server) : _server(server), _currentValue(0) {
+        setValue(1);
+    }
+
+    virtual void onConnect(WebSocket* connection) {
+        _connections.insert(connection);
+        connection->send(_currentSetValue.c_str());
+        cout << "Connected: " << connection->getRequestUri()
+                << " : " << formatAddress(connection->getRemoteAddress())
+                << endl;
+        cout << "Credentials: " << *(connection->credentials()) << endl;
+    }
+
+    virtual void onData(WebSocket* connection, const char* data) {
+        if (0 == strcmp("die", data)) {
+            _server->terminate();
+            return;
+        }
+        if (0 == strcmp("close", data)) {
+            cout << "Closing.." << endl;
+            connection->close();
+            cout << "Closed." << endl;
+            return;
+        }
+
+        int value = atoi(data) + 1;
+        if (value > _currentValue) {
+            setValue(value);
+            for (auto connection : _connections) {
+                connection->send(_currentSetValue.c_str());
+            }
+        }
+    }
+
+    virtual void onDisconnect(WebSocket* connection) {
+        _connections.erase(connection);
+        cout << "Disconnected: " << connection->getRequestUri()
+                << " : " << formatAddress(connection->getRemoteAddress())
+                << endl;
+    }
+
+private:
+    set<WebSocket*> _connections;
+    Server* _server;
+    int _currentValue;
+    string _currentSetValue;
+
+    void setValue(int value) {
+        _currentValue = value;
+        _currentSetValue = makeExecString("set", _currentValue);
+    }
+};
+
+int main(int argc, const char* argv[]) {
+    shared_ptr<Logger> logger(new PrintfLogger(Logger::DEBUG));
+
+    Server server(logger);
+
+    shared_ptr<MyHandler> handler(new MyHandler(&server));
+    server.addWebSocketHandler("/ws", handler);
+    server.serve("src/ws_test_web", 9090);
+    return 0;
+}