Initial Commit

Util/HttpClientHelpers.h

@@ -0,0 +1,45 @@
+#ifndef UTIL_HTTPCLIENTHELPERS_H
+#define UTIL_HTTPCLIENTHELPERS_H
+
+#include <boost/shared_ptr.hpp>
+#include <boost/thread.hpp>
+#include <openssl/crypto.h>
+
+
+namespace PresenceDetection {
+namespace Util {
+
+static std::vector<boost::shared_ptr<boost::mutex> > g_mutexes;
+
+static void LockCallback(int mode, int type, const char* /*file*/, int /*line*/)
+{
+	if (mode & CRYPTO_LOCK)
+		g_mutexes[type]->lock();
+	else
+		g_mutexes[type]->unlock();
+}
+
+static unsigned long ThreadId(void)
+{
+	return (unsigned long)pthread_self();
+}
+
+static void InitializeLocks(void)
+{
+	g_mutexes.resize(CRYPTO_num_locks());
+	for (int i = 0; i < CRYPTO_num_locks(); ++i)
+		g_mutexes[i] = boost::shared_ptr<boost::mutex>(new boost::mutex());
+
+	CRYPTO_set_id_callback(ThreadId);
+	CRYPTO_set_locking_callback(LockCallback);
+}
+
+static void FreeLocks(void)
+{
+	CRYPTO_set_locking_callback(NULL);
+}
+
+} // namespace Util
+} // namespace PresenceDetection
+
+#endif // UTIL_HTTPCLIENTHELPERS_H