| /* |
| * 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; |
| } |
| |
| 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++) { |
| 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)); |
| } |
| 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(); |
| } |
| |
| |
| |
| }} // namespace qpid::sys |