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Cleanup of MDEV-14974: --port ignored for --host=localhost

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The old code added to 10.6 was inconsisting in how TCP/IP and
socket connection was chosen. One got also a confusing warning
in some cases.

Examples:
> ../client/mysql --print-defaults
../client/mysql would have been started with the following arguments:
--socket=/tmp/mariadbd.sock --port=3307 --no-auto-rehash
> ../client/mysql
ERROR 2002 (HY000): Can't connect to local server through socket '/tmp/mariadbd.sock' (2)
> ../client/mysql --print-defaults
../client/mysql would have been started with the following arguments:
--socket=/tmp/mariadbd.sock --port=3307 --no-auto-rehash
> ../client/mysql --port=3333
WARNING: Forcing protocol to  TCP  due to option specification. Please explicitly state intended protocol.
ERROR 2002 (HY000): Can't connect to server on 'localhost' (111)
> ../client/mysql --port=3333 --socket=sss
ERROR 2002 (HY000): Can't connect to local server through socket 'sss' (2)
> ../client/mysql --socket=sss --port=3333
ERROR 2002 (HY000): Can't connect to local server through socket 'sss' (2)

Some notable things:
- One gets a warning if one uses just --port if config file sets socket
- Using port and socket gives no warning
- Using socket and then port still uses socket

This patch changes things the following ways:
If --port= is given on the command line, the the protocol is automatically
  changed to "TCP/IP".
- If --socket= is given on the command line, the protocol is automatically
  changed to "socket".
- The last option wins
- No warning is given if protocol changes automatically.
This commit is contained in:
Monty
2023-04-25 21:16:43 +03:00
parent bb1d1dc846
commit f272463b02
13 changed files with 113 additions and 539 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
client/mysqlcheck.c
View File

@@ -57,8 +57,6 @@ DYNAMIC_ARRAY tables4repair, tables4rebuild, alter_table_cmds;
DYNAMIC_ARRAY views4repair;
static uint opt_protocol=0;
static uint protocol_to_force= MYSQL_PROTOCOL_DEFAULT;
enum operations { DO_CHECK=1, DO_REPAIR, DO_ANALYZE, DO_OPTIMIZE, DO_FIX_NAMES };
const char *operation_name[]=
{
@@ -291,10 +289,6 @@ get_one_option(const struct my_option *opt,
const char *filename)
{
int orig_what_to_do= what_to_do;
/* Track when protocol is set via CLI to not force overrides */
static my_bool ignore_protocol_override = FALSE;
DBUG_ENTER("get_one_option");
switch(opt->id) {
@@ -357,13 +351,6 @@ get_one_option(const struct my_option *opt,
case 'W':
#ifdef _WIN32
opt_protocol = MYSQL_PROTOCOL_PIPE;
/* Prioritize pipe if explicit via command line */
if (filename[0] == '\0')
{
ignore_protocol_override = TRUE;
protocol_to_force = MYSQL_PROTOCOL_DEFAULT;
}
#endif
break;
case '#':
@@ -387,45 +374,19 @@ get_one_option(const struct my_option *opt,
sf_leaking_memory= 1; /* no memory leak reports here */
exit(1);
}
/* Specification of protocol via CLI trumps implicit overrides */
if (filename[0] == '\0')
{
ignore_protocol_override = TRUE;
protocol_to_force = MYSQL_PROTOCOL_DEFAULT;
}
break;
case 'P':
/* If port and socket are set, fall back to default behavior */
if (protocol_to_force == SOCKET_PROTOCOL_TO_FORCE)
if (filename[0] == '\0')
{
ignore_protocol_override = TRUE;
protocol_to_force = MYSQL_PROTOCOL_DEFAULT;
}
/* If port is set via CLI, try to force protocol to TCP */
if (filename[0] == '\0' &&
!ignore_protocol_override &&
protocol_to_force == MYSQL_PROTOCOL_DEFAULT)
{
protocol_to_force = MYSQL_PROTOCOL_TCP;
/* Port given on command line, switch protocol to use TCP */
opt_protocol= MYSQL_PROTOCOL_TCP;
}
break;
case 'S':
/* If port and socket are set, fall back to default behavior */
if (protocol_to_force == MYSQL_PROTOCOL_TCP)
if (filename[0] == '\0')
{
ignore_protocol_override = TRUE;
protocol_to_force = MYSQL_PROTOCOL_DEFAULT;
}
/* Prioritize socket if set via command line */
if (filename[0] == '\0' &&
!ignore_protocol_override &&
protocol_to_force == MYSQL_PROTOCOL_DEFAULT)
{
protocol_to_force = SOCKET_PROTOCOL_TO_FORCE;
/* Socket given on command line, switch protocol to use SOCKETSt */
opt_protocol= MYSQL_PROTOCOL_SOCKET;
}
break;
}
@@ -1248,14 +1209,6 @@ int main(int argc, char **argv)
if (get_options(&argc, &argv))
goto end1;
/* Command line options override configured protocol */
if (protocol_to_force > MYSQL_PROTOCOL_DEFAULT
&& protocol_to_force != opt_protocol)
{
warn_protocol_override(current_host, &opt_protocol, protocol_to_force);
}
sf_leaking_memory=0; /* from now on we cleanup properly */
ret= EX_MYSQLERR;