bytemark/flexnbd-c
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Added the flexnbd break command to stop mirroring

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This commit is contained in:
Alex Young
2012-07-17 16:30:49 +01:00
parent 1caa3d4e27
commit 314c0c2a2a
10 changed files with 223 additions and 8 deletions
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63
src/mode.c
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@@ -140,6 +140,22 @@ static char mirror_help_text[] =
VERBOSE_LINE
QUIET_LINE;
static struct option break_options[] = {
GETOPT_HELP,
GETOPT_SOCK,
GETOPT_QUIET,
GETOPT_VERBOSE,
{0}
};
static char break_short_options[] = "hs:" SOPT_QUIET SOPT_VERBOSE;
static char break_help_text[] =
"Usage: flexnbd " CMD_BREAK " <options>\n\n"
"Stop mirroring from the server with control socket SOCK.\n\n"
HELP_LINE
SOCK_LINE
VERBOSE_LINE
QUIET_LINE;
static struct option status_options[] = {
GETOPT_HELP,
@@ -355,6 +371,29 @@ void read_mirror_param( int c, char **sock, char **ip_addr, char **ip_port, char
}
}
void read_break_param( int c, char **sock )
{
switch( c ) {
case 'h':
fprintf( stdout, "%s\n", break_help_text );
exit( 0 );
break;
case 's':
*sock = optarg;
break;
case 'q':
log_level = 4;
break;
case 'v':
log_level = VERBOSE_LOG_LEVEL;
break;
default:
exit_err( break_help_text );
break;
}
}
void read_status_param( int c, char **sock )
{
read_sock_param( c, sock, status_help_text );
@@ -649,6 +688,27 @@ int mode_mirror( int argc, char *argv[] )
}
int mode_break( int argc, char *argv[] )
{
int c;
char *sock = NULL;
while (1) {
c = getopt_long( argc, argv, break_short_options, break_options, NULL );
if ( -1 == c ) { break; }
read_break_param( c, &sock );
}
if ( NULL == sock ){
fprintf( stderr, "--sock is required.\n" );
exit_err( acl_help_text );
}
do_remote_command( "break", sock, argc - optind, argv + optind );
return 0;
}
int mode_status( int argc, char *argv[] )
{
int c;
@@ -722,6 +782,9 @@ void mode(char* mode, int argc, char **argv)
else if ( IS_CMD( CMD_MIRROR, mode ) ) {
mode_mirror( argc, argv );
}
else if ( IS_CMD( CMD_BREAK, mode ) ) {
mode_break( argc, argv );
}
else if ( IS_CMD( CMD_STATUS, mode ) ) {
mode_status( argc, argv );
}