Add ZeroMQ support. Notify blocks and transactions via ZeroMQ

Continues Johnathan Corgan's work.
Publishing multipart messages

Bugfix: Add missing zmq header includes

Bugfix: Adjust build system to link ZeroMQ code for Qt binaries

1 files changed, 42 insertions, 0 deletions

diff --git a/src/zmq/zmqabstractnotifier.h b/src/zmq/zmqabstractnotifier.h
new file mode 100644
index 0000000000..626d1ddf92
--- /dev/null
+++ b/src/zmq/zmqabstractnotifier.h
@@ -0,0 +1,42 @@
+// Copyright (c) 2015 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_ZMQ_ZMQABSTRACTNOTIFIER_H
+#define BITCOIN_ZMQ_ZMQABSTRACTNOTIFIER_H
+
+#include "zmqconfig.h"
+
+class CZMQAbstractNotifier;
+typedef CZMQAbstractNotifier* (*CZMQNotifierFactory)();
+
+class CZMQAbstractNotifier
+{
+public:
+    CZMQAbstractNotifier() : psocket(0) { }
+    virtual ~CZMQAbstractNotifier();
+
+    template <typename T>
+    static CZMQAbstractNotifier* Create()
+    {
+        return new T();
+    }
+
+    std::string GetType() const { return type; }
+    void SetType(const std::string &t) { type = t; }
+    std::string GetAddress() const { return address; }
+    void SetAddress(const std::string &a) { address = a; }
+
+    virtual bool Initialize(void *pcontext) = 0;
+    virtual void Shutdown() = 0;
+
+    virtual bool NotifyBlock(const uint256 &hash);
+    virtual bool NotifyTransaction(const CTransaction &transaction);
+
+protected:
+    void *psocket;
+    std::string type;
+    std::string address;
+};
+
+#endif // BITCOIN_ZMQ_ZMQABSTRACTNOTIFIER_H