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Changes in wsrep_guess_ip()

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* Changed loopback detection to be done via ifa->ifa_flags
* Removed unused function wsrep_guess_address()
This commit is contained in:
Nirbhay Choubey
2015-02-24 21:55:22 -05:00
parent c6e62acb9e
commit 4fb2f66907
4 changed files with 13 additions and 21 deletions
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29
sql/wsrep_utils.cc
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@ -35,8 +35,9 @@
#include <netdb.h> // getaddrinfo()
#ifdef HAVE_GETIFADDRS
#include <net/if.h>
#include <ifaddrs.h>
#endif
#endif /* HAVE_GETIFADDRS */
extern char** environ; // environment variables
@ -406,6 +407,13 @@ size_t wsrep_guess_ip (char* buf, size_t buf_len)
return ip_len;
}
/*
getifaddrs() is avaiable at least on Linux since glib 2.3, FreeBSD,
MAC OSX, OpenSolaris, Solaris.
On platforms which do not support getifaddrs() this function returns
a failure and user is prompted to do manual configuration.
*/
#if HAVE_GETIFADDRS
struct ifaddrs *ifaddr, *ifa;
if (getifaddrs(&ifaddr) == 0)
@ -415,10 +423,11 @@ size_t wsrep_guess_ip (char* buf, size_t buf_len)
if (!ifa->ifa_addr || ifa->ifa_addr->sa_family != AF_INET) // TODO AF_INET6
continue;
if (vio_getnameinfo(ifa->ifa_addr, buf, buf_len, NULL, 0, NI_NUMERICHOST))
// Skip loopback interfaces (like lo:127.0.0.1)
if (ifa->ifa_flags & IFF_LOOPBACK)
continue;
if (strcmp(buf, "127.0.0.1") == 0) // lame
if (vio_getnameinfo(ifa->ifa_addr, buf, buf_len, NULL, 0, NI_NUMERICHOST))
continue;
freeifaddrs(ifaddr);
@ -426,23 +435,11 @@ size_t wsrep_guess_ip (char* buf, size_t buf_len)
}
freeifaddrs(ifaddr);
}
#endif
#endif /* HAVE_GETIFADDRS */
return 0;
}
size_t wsrep_guess_address(char* buf, size_t buf_len)
{
size_t addr_len = wsrep_guess_ip (buf, buf_len);
if (addr_len && addr_len < buf_len) {
addr_len += snprintf (buf + addr_len, buf_len - addr_len,
":%u", mysqld_port);
}
return addr_len;
}
/*
* WSREPXid
*/