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

4 files changed, 286 insertions, 42 deletions

diff --git a/cpp/src/qpid/sys/SystemInfo.cpp b/cpp/src/qpid/sys/SystemInfo.cpp
deleted file mode 100644
index dcc7ad9985..0000000000
--- a/cpp/src/qpid/sys/SystemInfo.cpp
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * 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 "SystemInfo.h"
-#include <unistd.h>
-
-namespace qpid {
-namespace sys {
-
-long  SystemInfo::concurrency() {
-#ifdef _SC_NPROCESSORS_ONLN    // Linux specific.
-    return sysconf(_SC_NPROCESSORS_ONLN);
-#else
-    return -1;
-#endif
-}
-
-}} // namespace qpid::sys
diff --git a/cpp/src/qpid/sys/SystemInfo.h b/cpp/src/qpid/sys/SystemInfo.h
index 73c3ca3c17..5a116cf8ee 100644
--- a/cpp/src/qpid/sys/SystemInfo.h
+++ b/cpp/src/qpid/sys/SystemInfo.h
@@ -21,6 +21,9 @@
  *
  */
 
+#include "qpid/sys/IntegerTypes.h"
+#include "qpid/Address.h"
+
 namespace qpid {
 namespace sys {
 
@@ -28,17 +31,38 @@ namespace sys {
  * Retrieve information about the system we are running on.
  * Results may be dependent on OS/hardware. 
  */
-class SystemInfo
-{
-  public:
-    /** Estimate available concurrency, e.g. number of CPU cores.
+namespace SystemInfo {
+    /**
+     * Estimate available concurrency, e.g. number of CPU cores.
      * -1 means estimate not available on this platform.
      */
-    static long concurrency();
-};
+    long concurrency();
+
+    /**
+     * Get the local host name and set it in the specified TcpAddress.
+     * Returns false if it can't be obtained and sets errno to any error value.
+     */
+    bool getLocalHostname (TcpAddress &address);
 
-}} // namespace qpid::sys
+    void getLocalIpAddresses (uint16_t port, std::vector<Address> &addrList);
 
+    /**
+     * Retrieve system identifiers and versions. This is information that can
+     * generally be retrieved via POSIX uname().
+     *
+     * @param osName   Receives the OS name; e.g., GNU/Linux or Windows
+     * @param nodeName Receives the nodename. This may or may not match the
+     *                 set hostname from getLocalHostname().
+     * @param release  Receives the OS release identifier.
+     * @param version  Receives the OS release version (kernel, build, sp, etc.)
+     * @param machine  Receives the hardware type.
+     */
+    void getSystemId (std::string &osName,
+                      std::string &nodeName,
+                      std::string &release,
+                      std::string &version,
+                      std::string &machine);
 
+}}} // namespace qpid::sys::SystemInfo
 
 #endif  /*!QPID_SYS_SYSTEMINFO_H*/
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
diff --git a/cpp/src/qpid/sys/windows/SystemInfo.cpp b/cpp/src/qpid/sys/windows/SystemInfo.cpp
new file mode 100755
index 0000000000..b887cac58b
--- /dev/null
+++ b/cpp/src/qpid/sys/windows/SystemInfo.cpp
@@ -0,0 +1,160 @@
+/*
+ * 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.
+ *
+ */
+
+/* GetNativeSystemInfo call requires _WIN32_WINNT 0x0501 or higher */
+#ifndef _WIN32_WINNT
+#  define _WIN32_WINNT 0x0501
+#endif
+
+#include "qpid/sys/IntegerTypes.h"
+#include "qpid/sys/SystemInfo.h"
+
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#include <windows.h>
+
+#ifndef HOST_NAME_MAX
+#  define HOST_NAME_MAX 256
+#endif
+
+namespace qpid {
+namespace sys {
+
+long  SystemInfo::concurrency() {
+    SYSTEM_INFO sys_info;
+    ::GetSystemInfo (&sys_info);
+    long activeProcessors = 0;
+    DWORD_PTR mask = sys_info.dwActiveProcessorMask;
+    while (mask != 0) {
+        if (mask & 1)
+            ++activeProcessors;
+        mask >>= 1;
+    }
+    return activeProcessors;
+}
+
+bool SystemInfo::getLocalHostname (TcpAddress &address) {
+    char name[HOST_NAME_MAX];
+    if (::gethostname(name, sizeof(name)) != 0) {
+        errno = WSAGetLastError();
+        return false;
+    }
+    address.host = name;
+    return true;
+}
+
+void SystemInfo::getLocalIpAddresses (uint16_t port,
+                                      std::vector<Address> &addrList) {
+    enum { MAX_URL_INTERFACES = 100 };
+    static const std::string LOCALHOST("127.0.0.1");
+
+    SOCKET s = socket (PF_INET, SOCK_STREAM, 0);
+    if (s != INVALID_SOCKET) {
+        INTERFACE_INFO interfaces[MAX_URL_INTERFACES];
+        DWORD filledBytes = 0;
+        WSAIoctl (s,
+                  SIO_GET_INTERFACE_LIST,
+                  0,
+                  0,
+                  interfaces,
+                  sizeof (interfaces),
+                  &filledBytes,
+                  0,
+                  0);
+        unsigned int interfaceCount = filledBytes / sizeof (INTERFACE_INFO);
+        for (unsigned int i = 0; i < interfaceCount; ++i) {
+            if (interfaces[i].iiFlags & IFF_UP) {
+                std::string addr(inet_ntoa(interfaces[i].iiAddress.AddressIn.sin_addr));
+                if (addr != LOCALHOST)
+                    addrList.push_back(TcpAddress(addr, port));
+            }
+        }
+        closesocket (s);
+    }
+}
+
+void SystemInfo::getSystemId (std::string &osName,
+                              std::string &nodeName,
+                              std::string &release,
+                              std::string &version,
+                              std::string &machine)
+{
+    osName = "Microsoft Windows";
+
+    char node[MAX_COMPUTERNAME_LENGTH + 1];
+    DWORD nodelen = MAX_COMPUTERNAME_LENGTH + 1;
+    GetComputerName (node, &nodelen);
+    nodeName = node;
+
+    OSVERSIONINFOEX vinfo;
+    vinfo.dwOSVersionInfoSize = sizeof(vinfo);
+    GetVersionEx ((OSVERSIONINFO *)&vinfo);
+
+    SYSTEM_INFO sinfo;
+    GetNativeSystemInfo(&sinfo);
+
+    switch(vinfo.dwMajorVersion) {
+    case 5:
+        switch(vinfo.dwMinorVersion) {
+        case 0:
+            release  ="2000";
+            break;
+        case 1:
+            release = "XP";
+            break;
+        case 2:
+            if (sinfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64 ||
+                sinfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64)
+                release = "XP-64";
+            else
+                release = "Server 2003";
+            break;
+        default:
+            release = "Windows";
+        }
+        break;
+    case 6:
+        if (vinfo.wProductType == VER_NT_SERVER)
+            release = "Server 2008";
+        else
+            release = "Vista";
+        break;
+    default:
+        release = "Microsoft Windows";
+    }
+    version = vinfo.szCSDVersion;
+
+    switch(sinfo.wProcessorArchitecture) {
+    case PROCESSOR_ARCHITECTURE_AMD64:
+        machine = "x86-64";
+        break;
+    case PROCESSOR_ARCHITECTURE_IA64:
+        machine = "IA64";
+        break;
+    case PROCESSOR_ARCHITECTURE_INTEL:
+        machine = "x86";
+        break;
+    default:
+        machine = "unknown";
+        break;
+    }
+}
+
+}} // namespace qpid::sys