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/*
* 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
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