summaryrefslogtreecommitdiff
path: root/qpid/cpp/src/qpid/sys/posix/SystemInfo.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'qpid/cpp/src/qpid/sys/posix/SystemInfo.cpp')
-rwxr-xr-xqpid/cpp/src/qpid/sys/posix/SystemInfo.cpp153
1 files changed, 153 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/sys/posix/SystemInfo.cpp b/qpid/cpp/src/qpid/sys/posix/SystemInfo.cpp
new file mode 100755
index 0000000000..a19ab6885c
--- /dev/null
+++ b/qpid/cpp/src/qpid/sys/posix/SystemInfo.cpp
@@ -0,0 +1,153 @@
+/*
+ * 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 <sys/types.h> // For FreeBSD
+#include <sys/socket.h> // For FreeBSD
+#include <netinet/in.h> // For FreeBSD
+#include <ifaddrs.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 (Address &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");
+static const string TCP("tcp");
+
+void SystemInfo::getLocalIpAddresses (uint16_t port,
+ std::vector<Address> &addrList) {
+ ::ifaddrs* ifaddr = 0;
+ QPID_POSIX_CHECK(::getifaddrs(&ifaddr));
+ for (::ifaddrs* ifap = ifaddr; ifap != 0; ifap = ifap->ifa_next) {
+ if (ifap->ifa_addr == 0) continue;
+
+ int family = ifap->ifa_addr->sa_family;
+ switch (family) {
+ case AF_INET: {
+ char dispName[NI_MAXHOST];
+ int rc = ::getnameinfo(
+ ifap->ifa_addr,
+ (family == AF_INET)
+ ? sizeof(struct sockaddr_in)
+ : sizeof(struct sockaddr_in6),
+ dispName, sizeof(dispName),
+ 0, 0, NI_NUMERICHOST);
+ if (rc != 0) {
+ throw QPID_POSIX_ERROR(rc);
+ }
+ string addr(dispName);
+ if (addr != LOCALHOST) {
+ addrList.push_back(Address(TCP, addr, port));
+ }
+ break;
+ }
+ // TODO: Url parsing currently can't cope with IPv6 addresses so don't return them
+ // when it can cope move this line to above "case AF_INET:"
+ case AF_INET6:
+ default:
+ continue;
+ }
+ }
+ freeifaddrs(ifaddr);
+
+ if (addrList.empty()) {
+ addrList.push_back(Address(TCP, LOCALHOST, port));
+ }
+}
+
+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