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Use RFC 3986 compliant addresses in log messages

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When log messages are written with both address and port information, IPv6
addresses can cause confusion if the normal address:port formatting is
used. The RFC 3986 suggests that all IPv6 addresses are expressed as a
bracket enclosed address optionally followed by the port that is separate
from the address by a colon.

In practice, the "all interfaces" address and port number 3306 can be
written in IPv4 numbers-and-dots notation as 0.0.0.0:3306 and in IPv6
notation as [::]:3306. Using the latter format in log messages keeps the
output consistent with all types of addresses.

The details of the standard can be found at the following addresses:

     https://www.ietf.org/rfc/rfc3986.txt

     https://www.rfc-editor.org/std/std66.txt
This commit is contained in:
Markus Mäkelä
2017-03-29 23:30:34 +03:00
parent 32dca26c96
commit cbc1e864d9
23 changed files with 97 additions and 78 deletions
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6
server/modules/protocol/MySQL/MySQLBackend/mysql_backend.c
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@ -280,7 +280,7 @@ static int gw_do_connect_to_backend(char *host, int port, int *fd)
if (so == -1)
{
MXS_ERROR("Establishing connection to backend server %s:%d failed.", host, port);
MXS_ERROR("Establishing connection to backend server [%s]:%d failed.", host, port);
return rv;
}
@ -294,7 +294,7 @@ static int gw_do_connect_to_backend(char *host, int port, int *fd)
}
else
{
MXS_ERROR("Failed to connect backend server %s:%d due to: %d, %s.",
MXS_ERROR("Failed to connect backend server [%s]:%d due to: %d, %s.",
host, port, errno, mxs_strerror(errno));
close(so);
return rv;
@ -303,7 +303,7 @@ static int gw_do_connect_to_backend(char *host, int port, int *fd)
*fd = so;
MXS_DEBUG("%lu [gw_do_connect_to_backend] Connected to backend server "
"%s:%d, fd %d.", pthread_self(), host, port, so);
"[%s]:%d, fd %d.", pthread_self(), host, port, so);
return rv;