From 4ed70a930202b103e7e80b8dc925e0aaa4622595 Mon Sep 17 00:00:00 2001
From: Martin Sustrik <sustrik@fastmq.commkdir>
Date: Wed, 29 Jul 2009 12:07:54 +0200
Subject: initial commit

---
 src/uuid.cpp | 136 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 src/uuid.cpp

(limited to 'src/uuid.cpp')

diff --git a/src/uuid.cpp b/src/uuid.cpp
new file mode 100644
index 0000000..d9883cd
--- /dev/null
+++ b/src/uuid.cpp
@@ -0,0 +1,136 @@
+/*
+    Copyright (c) 2007-2009 FastMQ Inc.
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the Lesser GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    0MQ 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
+    Lesser GNU General Public License for more details.
+
+    You should have received a copy of the Lesser GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "platform.hpp"
+#include "uuid.hpp"
+#include "err.hpp"
+
+#if defined ZS_HAVE_WINDOWS
+
+#include <rpcdce.h>
+
+zs::uuid_t::uuid_t ()
+{
+    RPC_STATUS ret = UuidCreate (&uuid);
+    zs_assert (ret == RPC_S_OK);
+    ret = UuidToString (&uuid, &uuid_str);
+    zs_assert (ret == RPC_S_OK);
+}
+
+zs::uuid_t::~uuid_t ()
+{
+    RPC_STATUS ret = RpcStringFree(&uuid_str);
+    assert (ret == RPC_S_OK);
+}
+
+const char *zs::uuid_t::to_string ()
+{
+    return uuid_str;
+}
+
+#elif defined ZS_HAVE_FREEBSD
+
+#include <stdlib.h>
+#include <uuid.h>
+
+zs::uuid_t::uuid_t ()
+{
+    uint32_t status;
+    uuid_create (&uuid, &status);
+    zs_assert (status == uuid_s_ok);
+    uuid_to_string (&uuid, &uuid_str, &status);
+    zs_assert (status == uuid_s_ok);
+}
+
+zs::uuid_t::~uuid_t ()
+{
+    free (uuid_str);
+}
+
+const char *zs::uuid_t::to_string ()
+{
+    return uuid_str;
+}
+
+#elif defined ZS_HAVE_LINUX || defined ZS_HAVE_SOLARIS || defined ZS_HAVE_OSX
+
+#include <uuid/uuid.h>
+
+zs::uuid_t::uuid_t ()
+{
+    uuid_generate (uuid);
+    uuid_unparse (uuid, uuid_buf);
+}
+
+zs::uuid_t::~uuid_t ()
+{
+}
+
+const char *zs::uuid_t::to_string ()
+{
+    return uuid_buf;
+}
+
+#else
+
+#include <stdio.h>
+#include <string.h>
+#include <openssl/rand.h>
+
+zs::uuid_t::uuid_t ()
+{
+    unsigned char rand_buf [16];
+    int ret = RAND_bytes (rand_buf, sizeof rand_buf);
+    zs_assert (ret == 1);
+
+    //  Read in UUID fields.
+    memcpy (&time_low, rand_buf, sizeof time_low);
+    memcpy (&time_mid, rand_buf + 4, sizeof time_mid);
+    memcpy (&time_hi_and_version, rand_buf + 6, sizeof time_hi_and_version);
+    memcpy (&clock_seq_hi_and_reserved, rand_buf + 8,
+        sizeof clock_seq_hi_and_reserved);
+    memcpy (&clock_seq_low, rand_buf + 9, sizeof clock_seq_low);
+    memcpy (&node [0], rand_buf + 10, sizeof node);
+
+    //  Store UUID version number.
+    time_hi_and_version = (time_hi_and_version & 0x0fff) | 4 << 12;
+
+    //  Store UUID type.
+    clock_seq_hi_and_reserved = (clock_seq_hi_and_reserved & 0x3f) | 0x80;
+
+    snprintf (uuid_buf, sizeof uuid_buf,
+        "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+        time_low,
+        time_mid,
+        time_hi_and_version,
+        clock_seq_hi_and_reserved,
+        clock_seq_low,
+        node [0], node [1], node [2], node [3], node [4], node [5]);
+}
+
+zs::uuid_t::~uuid_t ()
+{
+}
+
+const char *zs::uuid_t::to_string ()
+{
+    return uuid_buf;
+}
+
+#endif
-- 
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