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Port networkTools.cpp to Mac OS X. 

On Mac OS X the ioctl(SIOCGIFCONF) call will return all IPv4, IPv6
and MAC addresses, so we have to filter only the ones that have
sa_family equal to AF_INET.

I also added the common interface names for Mac OS X (en0 and en1),
to the getBestPublicIp() function. I refactored a bit the code so
that addition and reordering are easier.

Bugs: https://sourceforge.net/p/kiwix/bugs/658/
This commit is contained in:
Cristian Patrasciuc 2014-06-17 17:46:54 +02:00
parent 0bedd7ebc9
commit 5a695963d5
1 changed files with 28 additions and 23 deletions
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33
src/common/networkTools.cpp
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@ -67,16 +67,21 @@ std::map<std::string, std::string> kiwix::getNetworkInterfaces() {
struct ifreq *ifreq;
ifreq = ifconf.ifc_req;
for (i = 0; i < ifconf.ifc_len; ) {
/* Get the network interface name */
std::string interfaceName = std::string(ifreq->ifr_name);
if (ifreq->ifr_addr.sa_family == AF_INET) {
/* Get the network interface ip */
char host[128];
getnameinfo(&(ifreq->ifr_addr), sizeof ifreq->ifr_addr, host, sizeof host, 0, 0, NI_NUMERICHOST);
char host[128] = { 0 };
const int error = getnameinfo(&(ifreq->ifr_addr), sizeof ifreq->ifr_addr,
host, sizeof host,
0, 0, NI_NUMERICHOST);
if (!error) {
std::string interfaceName = std::string(ifreq->ifr_name);
std::string interfaceIp = std::string(host);
/* Add to the map */
interfaces.insert(std::pair<std::string, std::string>(interfaceName, interfaceIp));
} else {
perror("getnameinfo()");
}
}
/* some systems have ifr_addr.sa_len and adjust the length that
* way, but not mine. weird */
@ -96,14 +101,14 @@ std::string kiwix::getBestPublicIp() {
std::map<std::string, std::string> interfaces = kiwix::getNetworkInterfaces();
#ifndef _WIN32
if (interfaces.find("eth0") != interfaces.end()) {
return interfaces.find("eth0")->second;
} else if (interfaces.find("eth1") != interfaces.end()) {
return interfaces.find("eth1")->second;
} else if (interfaces.find("wlan0") != interfaces.end()) {
return interfaces.find("wlan0")->second;
} else if (interfaces.find("wlan1") != interfaces.end()) {
return interfaces.find("wlan1")->second;
const char* const prioritizedNames[] =
{ "eth0", "eth1", "wlan0", "wlan1", "en0", "en1" };
const int count = (sizeof prioritizedNames) / (sizeof prioritizedNames[0]);
for (int i = 0; i < count; ++i) {
std::map<std::string, std::string>::const_iterator it =
interfaces.find(prioritizedNames[i]);
if (it != interfaces.end())
return it->second;
}
#endif