Make Address/TcpAddress manipulation portable; extend SystemInfo functions to Windows; resolves QPID-1325

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@703179 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 95 insertions, 0 deletions

diff --git a/cpp/src/qpid/sys/posix/SystemInfo.cpp b/cpp/src/qpid/sys/posix/SystemInfo.cpp
new file mode 100755
index 0000000000..c054931a96
--- /dev/null
+++ b/cpp/src/qpid/sys/posix/SystemInfo.cpp
@@ -0,0 +1,95 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+#include "qpid/sys/SystemInfo.h"
+
+#include <sys/ioctl.h>
+#include <sys/utsname.h>
+#include <net/if.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#ifndef HOST_NAME_MAX
+#  define HOST_NAME_MAX 256
+#endif
+
+using namespace std;
+
+namespace qpid {
+namespace sys {
+
+long  SystemInfo::concurrency() {
+#ifdef _SC_NPROCESSORS_ONLN    // Linux specific.
+    return sysconf(_SC_NPROCESSORS_ONLN);
+#else
+    return -1;
+#endif
+}
+
+bool SystemInfo::getLocalHostname (TcpAddress &address) {
+    char name[HOST_NAME_MAX];
+    if (::gethostname(name, sizeof(name)) != 0)
+        return false;
+    address.host = name;
+    return true;
+}
+
+void SystemInfo::getLocalIpAddresses (uint16_t port,
+                                      std::vector<Address> &addrList) {
+
+    static const string LOCALHOST("127.0.0.1");
+
+    int s = socket (PF_INET, SOCK_STREAM, 0);
+    for (int i=1;;i++) {
+        struct ifreq ifr;
+        ifr.ifr_ifindex = i;
+        if (::ioctl (s, SIOCGIFNAME, &ifr) < 0)
+            break;
+        /* now ifr.ifr_name is set */
+        if (::ioctl (s, SIOCGIFADDR, &ifr) < 0)
+            continue;
+        struct sockaddr_in *sin = (struct sockaddr_in *) &ifr.ifr_addr;
+        string addr(inet_ntoa(sin->sin_addr));
+        if (addr != LOCALHOST)
+            addrList.push_back(TcpAddress(addr, port));
+    }
+    close (s);
+}
+
+void SystemInfo::getSystemId (std::string &osName,
+                              std::string &nodeName,
+                              std::string &release,
+                              std::string &version,
+                              std::string &machine)
+{
+    struct utsname _uname;
+    if (uname (&_uname) == 0)
+    {
+        osName = _uname.sysname;
+        nodeName = _uname.nodename;
+        release = _uname.release;
+        version = _uname.version;
+        machine = _uname.machine;
+    }
+}
+
+}} // namespace qpid::sys