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, 35 insertions, 0 deletions

diff --git a/src/zmq/zmqnotificationinterface.h b/src/zmq/zmqnotificationinterface.h
new file mode 100644
index 0000000000..afc0b8d24e
--- /dev/null
+++ b/src/zmq/zmqnotificationinterface.h
@@ -0,0 +1,35 @@
+// 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_ZMQNOTIFICATIONINTERFACE_H
+#define BITCOIN_ZMQ_ZMQNOTIFICATIONINTERFACE_H
+
+#include "validationinterface.h"
+#include <string>
+#include <map>
+
+class CZMQAbstractNotifier;
+
+class CZMQNotificationInterface : public CValidationInterface
+{
+public:
+    virtual ~CZMQNotificationInterface();
+
+    static CZMQNotificationInterface* CreateWithArguments(const std::map<std::string, std::string> &args);
+
+    bool Initialize();
+    void Shutdown();
+
+protected: // CValidationInterface
+    void SyncTransaction(const CTransaction &tx, const CBlock *pblock);
+    void UpdatedBlockTip(const uint256 &newHashTip);
+
+private:
+    CZMQNotificationInterface();
+
+    void *pcontext;
+    std::list<CZMQAbstractNotifier*> notifiers;
+};
+
+#endif // BITCOIN_ZMQ_ZMQNOTIFICATIONINTERFACE_H