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-rwxr-xr-xcpp/src/qpid/sys/posix/SystemInfo.cpp137
1 files changed, 137 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..55737fcfcc
--- /dev/null
+++ b/cpp/src/qpid/sys/posix/SystemInfo.cpp
@@ -0,0 +1,137 @@
+/*
+ * 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 "qpid/sys/posix/check.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>
+#include <iostream>
+#include <fstream>
+#include <sstream>
+#include <netdb.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;
+}
+
+static const string LOCALHOST("127.0.0.1");
+
+void SystemInfo::getLocalIpAddresses (uint16_t port,
+ std::vector<Address> &addrList) {
+ int s = ::socket(PF_INET, SOCK_STREAM, 0);
+ for (int i=1;;i++) {
+ ::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;
+ ::sockaddr *saddr = (::sockaddr *) &ifr.ifr_addr;
+ char dispName[NI_MAXHOST];
+ if (int rc=::getnameinfo(saddr, sizeof(ifr.ifr_addr), dispName, sizeof(dispName), 0, 0, NI_NUMERICHOST) != 0)
+ throw QPID_POSIX_ERROR(rc);
+ string addr(dispName);
+ if (addr != LOCALHOST)
+ addrList.push_back(TcpAddress(addr, port));
+ }
+ if (addrList.empty()) {
+ addrList.push_back(TcpAddress(LOCALHOST, 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;
+ }
+}
+
+uint32_t SystemInfo::getProcessId()
+{
+ return (uint32_t) ::getpid();
+}
+
+uint32_t SystemInfo::getParentProcessId()
+{
+ return (uint32_t) ::getppid();
+}
+
+// Linux specific (Solaris has quite different stuff in /proc)
+string SystemInfo::getProcessName()
+{
+ string value;
+
+ ifstream input("/proc/self/status");
+ if (input.good()) {
+ while (!input.eof()) {
+ string key;
+ input >> key;
+ if (key == "Name:") {
+ input >> value;
+ break;
+ }
+ }
+ input.close();
+ }
+
+ return value;
+}
+
+}} // namespace qpid::sys