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Merged revisions 291075 via svnmerge from

Browse Source 
https://origsvn.digium.com/svn/asterisk/branches/1.8

................
  r291075 | rmudgett | 2010-10-11 11:42:54 -0500 (Mon, 11 Oct 2010) | 22 lines
  
  Merged revisions 291073 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
  ........
    r291073 | rmudgett | 2010-10-11 11:39:17 -0500 (Mon, 11 Oct 2010) | 15 lines
    
    Fixed infinite loop in verbose/debug message output.
    
    Setting the module/filename specific message level and then changing it
    resulted in the linked list being looped on itself.  Traversing this
    linked list is an infinite loop if what you are looking for is not in the
    list.
    
    Also plugged some CLI parsing holes in the associated CLI command:
    
    * Removing a nonexistent module from the list actually added it with a
    level of zero.
    
    * Setting the non-module specific level to zero is now equivalent to
    setting it to "off" as documented.
  ........
................


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@291076 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
2010-10-11 16:44:32 +00:00
parent a95c0f2f0d
commit 289cfe2b4e
1 changed files with 39 additions and 17 deletions
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56
main/cli.c
View File

@@ -386,6 +386,7 @@ static char *handle_verbose(struct ast_cli_entry *e, int cmd, struct ast_cli_arg
{
int oldval;
int newlevel;
unsigned int is_debug;
int atleast = 0;
int fd = a->fd;
int argc = a->argc;
@@ -454,22 +455,23 @@ static char *handle_verbose(struct ast_cli_entry *e, int cmd, struct ast_cli_arg
dst = &option_debug;
oldval = option_debug;
what = "Core debug";
is_debug = 1;
} else {
dst = &option_verbose;
oldval = option_verbose;
what = "Verbosity";
is_debug = 0;
}
if (argc == e->args + 1 && !strcasecmp(argv[e->args], "off")) {
unsigned int debug = (*what == 'C');
newlevel = 0;
mll = debug ? &debug_modules : &verbose_modules;
mll = is_debug ? &debug_modules : &verbose_modules;
AST_RWLIST_WRLOCK(mll);
while ((ml = AST_RWLIST_REMOVE_HEAD(mll, entry))) {
ast_free(ml);
}
ast_clear_flag(&ast_options, debug ? AST_OPT_FLAG_DEBUG_MODULE : AST_OPT_FLAG_VERBOSE_MODULE);
ast_clear_flag(&ast_options, is_debug ? AST_OPT_FLAG_DEBUG_MODULE : AST_OPT_FLAG_VERBOSE_MODULE);
AST_RWLIST_UNLOCK(mll);
goto done;
@@ -481,21 +483,27 @@ static char *handle_verbose(struct ast_cli_entry *e, int cmd, struct ast_cli_arg
if (sscanf(argv[e->args + atleast], "%30d", &newlevel) != 1)
return CLI_SHOWUSAGE;
if (argc == e->args + atleast + 2) {
unsigned int debug = (*what == 'C');
/* We have specified a module name. */
char *mod = ast_strdupa(argv[e->args + atleast + 1]);
mll = debug ? &debug_modules : &verbose_modules;
if ((strlen(mod) > 3) && !strcasecmp(mod + strlen(mod) - 3, ".so")) {
mod[strlen(mod) - 3] = '\0';
}
mll = is_debug ? &debug_modules : &verbose_modules;
AST_RWLIST_WRLOCK(mll);
if ((ml = find_module_level(mod, debug)) && !newlevel) {
ml = find_module_level(mod, is_debug);
if (!newlevel) {
if (!ml) {
/* Specified off for a nonexistent entry. */
AST_RWLIST_UNLOCK(mll);
return CLI_SUCCESS;
}
AST_RWLIST_REMOVE(mll, ml, entry);
if (AST_RWLIST_EMPTY(mll))
ast_clear_flag(&ast_options, debug ? AST_OPT_FLAG_DEBUG_MODULE : AST_OPT_FLAG_VERBOSE_MODULE);
ast_clear_flag(&ast_options, is_debug ? AST_OPT_FLAG_DEBUG_MODULE : AST_OPT_FLAG_VERBOSE_MODULE);
AST_RWLIST_UNLOCK(mll);
ast_cli(fd, "%s was %d and has been set to 0 for '%s'\n", what, ml->level, mod);
ast_free(ml);
@@ -508,23 +516,37 @@ static char *handle_verbose(struct ast_cli_entry *e, int cmd, struct ast_cli_arg
AST_RWLIST_UNLOCK(mll);
return CLI_SUCCESS;
}
} else if (!(ml = ast_calloc(1, sizeof(*ml) + strlen(mod) + 1))) {
AST_RWLIST_UNLOCK(mll);
return CLI_FAILURE;
oldval = ml->level;
ml->level = newlevel;
} else {
ml = ast_calloc(1, sizeof(*ml) + strlen(mod) + 1);
if (!ml) {
AST_RWLIST_UNLOCK(mll);
return CLI_FAILURE;
}
oldval = ml->level;
ml->level = newlevel;
strcpy(ml->module, mod);
AST_RWLIST_INSERT_TAIL(mll, ml, entry);
}
oldval = ml->level;
ml->level = newlevel;
strcpy(ml->module, mod);
ast_set_flag(&ast_options, is_debug ? AST_OPT_FLAG_DEBUG_MODULE : AST_OPT_FLAG_VERBOSE_MODULE);
ast_set_flag(&ast_options, debug ? AST_OPT_FLAG_DEBUG_MODULE : AST_OPT_FLAG_VERBOSE_MODULE);
AST_RWLIST_INSERT_TAIL(mll, ml, entry);
AST_RWLIST_UNLOCK(mll);
ast_cli(fd, "%s was %d and has been set to %d for '%s'\n", what, oldval, ml->level, ml->module);
return CLI_SUCCESS;
} else if (!newlevel) {
/* Specified level as 0 instead of off. */
mll = is_debug ? &debug_modules : &verbose_modules;
AST_RWLIST_WRLOCK(mll);
while ((ml = AST_RWLIST_REMOVE_HEAD(mll, entry))) {
ast_free(ml);
}
ast_clear_flag(&ast_options, is_debug ? AST_OPT_FLAG_DEBUG_MODULE : AST_OPT_FLAG_VERBOSE_MODULE);
AST_RWLIST_UNLOCK(mll);
}
done: