Asterisk
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asterisk
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Use read/write lock based lists for group counting.

Browse Source 
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@69130 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.6.0
Joshua Colp 18 years ago
parent c4c732578f
commit 679733c52a
4 changed files with 38 additions and 30 deletions
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4
funcs/func_groupcount.c
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@ -100,7 +100,7 @@ static int group_function_read(struct ast_channel *chan, const char *cmd,
{
struct ast_group_info *gi = NULL;
ast_app_group_list_lock();
ast_app_group_list_rdlock();
gi = ast_app_group_list_head();
while (gi) {
@ -158,7 +158,7 @@ static int group_list_function_read(struct ast_channel *chan, const char *cmd,
if (!chan)
return -1;
ast_app_group_list_lock();
ast_app_group_list_rdlock();
gi = ast_app_group_list_head();
while (gi) {

7
include/asterisk/app.h
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@ -236,8 +236,11 @@ int ast_app_group_discard(struct ast_channel *chan);
/*! Update all group counting for a channel to a new one */
int ast_app_group_update(struct ast_channel *oldchan, struct ast_channel *newchan);
/*! Lock the group count list */
int ast_app_group_list_lock(void);
/*! Write Lock the group count list */
int ast_app_group_list_wrlock(void);
/*! Read Lock the group count list */
int ast_app_group_list_rdlock(void);
/*! Get the head of the group count list */
struct ast_group_info *ast_app_group_list_head(void);

55
main/app.c
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@ -53,7 +53,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#define MAX_OTHER_FORMATS 10
static AST_LIST_HEAD_STATIC(groups, ast_group_info);
static AST_RWLIST_HEAD_STATIC(groups, ast_group_info);
/*!
* \brief This function presents a dialtone and reads an extension into 'collect'
@ -874,15 +874,15 @@ int ast_app_group_set_channel(struct ast_channel *chan, const char *data)
if (!ast_strlen_zero(category))
len += strlen(category) + 1;
AST_LIST_LOCK(&groups);
AST_LIST_TRAVERSE_SAFE_BEGIN(&groups, gi, list) {
AST_RWLIST_WRLOCK(&groups);
AST_RWLIST_TRAVERSE_SAFE_BEGIN(&groups, gi, list) {
if ((gi->chan == chan) && ((ast_strlen_zero(category) && ast_strlen_zero(gi->category)) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category)))) {
AST_LIST_REMOVE_CURRENT(&groups, list);
AST_RWLIST_REMOVE_CURRENT(&groups, list);
free(gi);
break;
}
}
AST_LIST_TRAVERSE_SAFE_END
AST_RWLIST_TRAVERSE_SAFE_END
if ((gi = calloc(1, len))) {
gi->chan = chan;
@ -892,12 +892,12 @@ int ast_app_group_set_channel(struct ast_channel *chan, const char *data)
gi->category = (char *) gi + sizeof(*gi) + strlen(group) + 1;
strcpy(gi->category, category);
}
AST_LIST_INSERT_TAIL(&groups, gi, list);
AST_RWLIST_INSERT_TAIL(&groups, gi, list);
} else {
res = -1;
}
AST_LIST_UNLOCK(&groups);
AST_RWLIST_UNLOCK(&groups);
return res;
}
@ -910,12 +910,12 @@ int ast_app_group_get_count(const char *group, const char *category)
if (ast_strlen_zero(group))
return 0;
AST_LIST_LOCK(&groups);
AST_LIST_TRAVERSE(&groups, gi, list) {
AST_RWLIST_RDLOCK(&groups);
AST_RWLIST_TRAVERSE(&groups, gi, list) {
if (!strcasecmp(gi->group, group) && (ast_strlen_zero(category) || !strcasecmp(gi->category, category)))
count++;
}
AST_LIST_UNLOCK(&groups);
AST_RWLIST_UNLOCK(&groups);
return count;
}
@ -933,12 +933,12 @@ int ast_app_group_match_get_count(const char *groupmatch, const char *category)
if (regcomp(&regexbuf, groupmatch, REG_EXTENDED | REG_NOSUB))
return 0;
AST_LIST_LOCK(&groups);
AST_LIST_TRAVERSE(&groups, gi, list) {
AST_RWLIST_RDLOCK(&groups);
AST_RWLIST_TRAVERSE(&groups, gi, list) {
if (!regexec(&regexbuf, gi->group, 0, NULL, 0) && (ast_strlen_zero(category) || !strcasecmp(gi->category, category)))
count++;
}
AST_LIST_UNLOCK(&groups);
AST_RWLIST_UNLOCK(&groups);
regfree(&regexbuf);
@ -949,12 +949,12 @@ int ast_app_group_update(struct ast_channel *old, struct ast_channel *new)
{
struct ast_group_info *gi = NULL;
AST_LIST_LOCK(&groups);
AST_LIST_TRAVERSE(&groups, gi, list) {
AST_RWLIST_WRLOCK(&groups);
AST_RWLIST_TRAVERSE(&groups, gi, list) {
if (gi->chan == old)
gi->chan = new;
}
AST_LIST_UNLOCK(&groups);
AST_RWLIST_UNLOCK(&groups);
return 0;
}
@ -963,32 +963,37 @@ int ast_app_group_discard(struct ast_channel *chan)
{
struct ast_group_info *gi = NULL;
AST_LIST_LOCK(&groups);
AST_LIST_TRAVERSE_SAFE_BEGIN(&groups, gi, list) {
AST_RWLIST_WRLOCK(&groups);
AST_RWLIST_TRAVERSE_SAFE_BEGIN(&groups, gi, list) {
if (gi->chan == chan) {
AST_LIST_REMOVE_CURRENT(&groups, list);
AST_RWLIST_REMOVE_CURRENT(&groups, list);
ast_free(gi);
}
}
AST_LIST_TRAVERSE_SAFE_END
AST_LIST_UNLOCK(&groups);
AST_RWLIST_TRAVERSE_SAFE_END
AST_RWLIST_UNLOCK(&groups);
return 0;
}
int ast_app_group_list_lock(void)
int ast_app_group_list_wrlock(void)
{
return AST_LIST_LOCK(&groups);
return AST_RWLIST_WRLOCK(&groups);
}
int ast_app_group_list_rdlock(void)
{
return AST_RWLIST_RDLOCK(&groups);
}
struct ast_group_info *ast_app_group_list_head(void)
{
return AST_LIST_FIRST(&groups);
return AST_RWLIST_FIRST(&groups);
}
int ast_app_group_list_unlock(void)
{
return AST_LIST_UNLOCK(&groups);
return AST_RWLIST_UNLOCK(&groups);
}
unsigned int ast_app_separate_args(char *buf, char delim, char **array, int arraylen)

2
main/cli.c
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@ -923,7 +923,7 @@ static int group_show_channels(int fd, int argc, char *argv[])
ast_cli(fd, FORMAT_STRING, "Channel", "Group", "Category");
ast_app_group_list_lock();
ast_app_group_list_rdlock();
gi = ast_app_group_list_head();
while (gi) {

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