qrtplib: removed debug

qrtplib/rtprandomurandom.cpp

@@ -0,0 +1,129 @@
+/*
+
+  This file is a part of JRTPLIB
+  Copyright (c) 1999-2017 Jori Liesenborgs
+
+  Contact: jori.liesenborgs@gmail.com
+
+  This library was developed at the Expertise Centre for Digital Media
+  (http://www.edm.uhasselt.be), a research center of the Hasselt University
+  (http://www.uhasselt.be). The library is based upon work done for
+  my thesis at the School for Knowledge Technology (Belgium/The Netherlands).
+
+  Permission is hereby granted, free of charge, to any person obtaining a
+  copy of this software and associated documentation files (the "Software"),
+  to deal in the Software without restriction, including without limitation
+  the rights to use, copy, modify, merge, publish, distribute, sublicense,
+  and/or sell copies of the Software, and to permit persons to whom the
+  Software is furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included
+  in all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+  IN THE SOFTWARE.
+
+*/
+
+#include "rtprandomurandom.h"
+#include "rtperrors.h"
+
+namespace qrtplib
+{
+
+RTPRandomURandom::RTPRandomURandom()
+{
+	device = 0;
+}
+
+RTPRandomURandom::~RTPRandomURandom()
+{
+	if (device)
+		fclose(device);
+}
+
+int RTPRandomURandom::Init()
+{
+	if (device)
+		return ERR_RTP_RTPRANDOMURANDOM_ALREADYOPEN;
+
+	device = fopen("/dev/urandom","rb");
+	if (device == 0)
+		return ERR_RTP_RTPRANDOMURANDOM_CANTOPEN;
+
+	return 0;
+}
+
+uint8_t RTPRandomURandom::GetRandom8()
+{
+	if (!device)
+		return 0;
+
+	uint8_t value;
+
+	if (fread(&value, sizeof(uint8_t), 1, device) != sizeof(uint8_t)) {
+	    return 0;
+	}
+
+	return value;
+}
+
+uint16_t RTPRandomURandom::GetRandom16()
+{
+	if (!device)
+		return 0;
+
+	uint16_t value;
+
+	if (fread(&value, sizeof(uint16_t), 1, device) != sizeof(uint16_t)) {
+	    return 0;
+	}
+
+	return value;
+}
+
+uint32_t RTPRandomURandom::GetRandom32()
+{
+	if (!device)
+		return 0;
+
+	uint32_t value;
+
+	if (fread(&value, sizeof(uint32_t), 1, device) != sizeof(uint32_t)) {
+	    return 0;
+	}
+
+	return value;
+}
+
+double RTPRandomURandom::GetRandomDouble()
+{
+	if (!device)
+		return 0;
+
+	uint64_t value;
+
+	if (fread(&value, sizeof(uint64_t), 1, device) != sizeof(uint64_t)) {
+	    return 0;
+	}
+
+#ifdef RTP_HAVE_VSUINT64SUFFIX
+	value &= 0x7fffffffffffffffui64;
+#else
+	value &= 0x7fffffffffffffffULL;
+#endif // RTP_HAVE_VSUINT64SUFFIX
+
+	int64_t value2 = (int64_t)value;
+	double x = RTPRANDOM_2POWMIN63*(double)value2;
+
+	return x;
+
+}
+
+} // end namespace
+