Added class RecvBuf.

src/base/net/tools/RecvBuf.h

@@ -0,0 +1,99 @@
+/* XMRig
+ * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
+ * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
+ * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
+ * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
+ * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
+ * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef XMRIG_RECVBUF_H
+#define XMRIG_RECVBUF_H
+
+
+#include <string.h>
+
+
+#include "base/kernel/interfaces/ILineListener.h"
+
+
+namespace xmrig {
+
+
+template<size_t N>
+class RecvBuf
+{
+public:
+    inline RecvBuf() :
+        m_buf(),
+        m_pos(0)
+    {
+    }
+
+    inline char *base()                { return m_buf; }
+    inline char *current()             { return m_buf + m_pos; }
+    inline const char *base() const    { return m_buf; }
+    inline const char *current() const { return m_buf + m_pos; }
+    inline size_t available() const    { return N - m_pos; }
+    inline size_t pos() const          { return m_pos; }
+    inline void nread(size_t size)     { m_pos += size; }
+    inline void reset()                { m_pos = 0; }
+
+    constexpr inline size_t size() const { return N; }
+
+    inline void getline(ILineListener *listener)
+    {
+        char *end;
+        char *start = m_buf;
+        size_t remaining = m_pos;
+
+        while ((end = static_cast<char*>(memchr(start, '\n', remaining))) != nullptr) {
+            *end = '\0';
+
+            end++;
+            const size_t len = static_cast<size_t>(end - start);
+
+            listener->onLine(start, len - 1);
+
+            remaining -= len;
+            start = end;
+        }
+
+        if (remaining == 0) {
+            m_pos = 0;
+            return;
+        }
+
+        if (start == m_buf) {
+            return;
+        }
+
+        memcpy(m_buf, start, remaining);
+        m_pos = remaining;
+    }
+
+private:
+    char m_buf[N];
+    size_t m_pos;
+};
+
+
+} /* namespace xmrig */
+
+
+#endif /* XMRIG_RECVBUF_H */