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simplify conference user list handling

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@27153 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2006-05-13 11:06:34 +00:00
parent a3ed43f0dc
commit 51d5b1fdb2
2 changed files with 34 additions and 97 deletions
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123
apps/app_meetme.c
View File

@@ -152,8 +152,6 @@ struct ast_conference {
int zapconf; /* Zaptel Conf # */
int users; /* Number of active users */
int markedusers; /* Number of marked users */
struct ast_conf_user *firstuser; /* Pointer to the first user struct */
struct ast_conf_user *lastuser; /* Pointer to the last user struct */
time_t start; /* Start time (s) */
int refcount; /* reference count of usage */
unsigned int recording:2; /* recording status */
@@ -168,6 +166,7 @@ struct ast_conference {
struct ast_frame *transframe[32];
struct ast_frame *origframe;
struct ast_trans_pvt *transpath[32];
AST_LIST_HEAD_NOLOCK(, ast_conf_user) userlist;
AST_LIST_ENTRY(ast_conference) list;
};
@@ -180,8 +179,6 @@ struct volume {
struct ast_conf_user {
int user_no; /* User Number */
struct ast_conf_user *prevuser; /* Pointer to the previous user */
struct ast_conf_user *nextuser; /* Pointer to the next user */
int userflags; /* Flags as set in the conference */
int adminflags; /* Flags set by the Admin */
struct ast_channel *chan; /* Connected channel */
@@ -192,6 +189,7 @@ struct ast_conf_user {
time_t jointime; /* Time the user joined the conference */
struct volume talk;
struct volume listen;
AST_LIST_ENTRY(ast_conf_user) list;
};
static int audio_buffers; /* The number of audio buffers to be allocated on pseudo channels
@@ -532,9 +530,6 @@ static struct ast_conference *build_conf(char *confno, char *pin, char *pinadmin
cnf->start = time(NULL);
cnf->zapconf = ztc.confno;
cnf->isdynamic = dynamic ? 1 : 0;
cnf->firstuser = NULL;
cnf->lastuser = NULL;
cnf->locked = 0;
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Created MeetMe conference %d for conference '%s'\n", cnf->zapconf, cnf->confno);
AST_LIST_INSERT_HEAD(&confs, cnf, list);
@@ -665,7 +660,7 @@ static int conf_cmd(int fd, int argc, char **argv) {
return RESULT_SUCCESS;
}
/* Show all the users */
for (user = cnf->firstuser; user; user = user->nextuser){
AST_LIST_TRAVERSE(&cnf->userlist, user, list) {
now = time(NULL);
hr = (now - user->jointime) / 3600;
min = ((now - user->jointime) % 3600) / 60;
@@ -751,7 +746,7 @@ static char *complete_confcmd(const char *line, const char *word, int pos, int s
if (cnf) {
/* Search for the user */
for (usr = cnf->firstuser; usr; usr = usr->nextuser) {
AST_LIST_TRAVERSE(&cnf->userlist, usr, list) {
snprintf(usrno, sizeof(usrno), "%d", usr->user_no);
if (!strncasecmp(word, usrno, len) && ++which > state)
break;
@@ -928,24 +923,13 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
conf->markedusers++;
ast_mutex_lock(&conf->playlock);
if (!conf->firstuser) {
/* Fill the first new User struct */
if (AST_LIST_EMPTY(&conf->userlist))
user->user_no = 1;
conf->firstuser = user;
conf->lastuser = user;
} else {
/* Fill the new user struct */
user->user_no = conf->lastuser->user_no + 1;
user->prevuser = conf->lastuser;
if (conf->lastuser->nextuser) {
ast_log(LOG_WARNING, "Error in User Management!\n");
ast_mutex_unlock(&conf->playlock);
goto outrun;
} else {
conf->lastuser->nextuser = user;
conf->lastuser = user;
}
}
else
user->user_no = AST_LIST_LAST(&conf->userlist)->user_no + 1;
AST_LIST_INSERT_TAIL(&conf->userlist, user, list);
user->chan = chan;
user->userflags = confflags;
@@ -1480,7 +1464,7 @@ static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int c
break;
case '3': /* Eject last user */
menu_active = 0;
usr = conf->lastuser;
usr = AST_LIST_LAST(&conf->userlist);
if ((usr->chan->name == chan->name)||(usr->userflags & CONFFLAG_ADMIN)) {
if(!ast_streamfile(chan, "conf-errormenu", chan->language))
ast_waitstream(chan, "");
@@ -1711,39 +1695,12 @@ bailoutandtrynormal:
ast_update_realtime("meetme", "confno", conf->confno, "members", members, NULL);
if (confflags & CONFFLAG_MARKEDUSER)
conf->markedusers--;
if (!conf->users) {
if (AST_LIST_EMPTY(&conf->userlist)) {
/* close this one when no more users and no references*/
if (!conf->refcount){
if (!conf->refcount)
conf_free(conf);
}
} else {
/* Remove the user struct */
if (user == conf->firstuser) {
if (user->nextuser) {
/* There is another entry */
user->nextuser->prevuser = NULL;
} else {
/* We are the only entry */
conf->lastuser = NULL;
}
/* In either case */
conf->firstuser = user->nextuser;
} else if (user == conf->lastuser){
if (user->prevuser)
user->prevuser->nextuser = NULL;
else
ast_log(LOG_ERROR, "Bad bad bad! We're the last, not the first, but nobody before us??\n");
conf->lastuser = user->prevuser;
} else {
if (user->nextuser)
user->nextuser->prevuser = user->prevuser;
else
ast_log(LOG_ERROR, "Bad! Bad! Bad! user->nextuser is NULL but we're not the end!\n");
if (user->prevuser)
user->prevuser->nextuser = user->nextuser;
else
ast_log(LOG_ERROR, "Bad! Bad! Bad! user->prevuser is NULL but we're not the beginning!\n");
}
AST_LIST_REMOVE(&conf->userlist, user, list);
}
/* Return the number of seconds the user was in the conf */
snprintf(meetmesecs, sizeof(meetmesecs), "%d", (int) (time(NULL) - user->jointime));
@@ -2221,18 +2178,16 @@ static int conf_exec(struct ast_channel *chan, void *data)
return res;
}
static struct ast_conf_user* find_user(struct ast_conference *conf, char *callerident)
static struct ast_conf_user *find_user(struct ast_conference *conf, char *callerident)
{
struct ast_conf_user *user = NULL;
int cid;
sscanf(callerident, "%i", &cid);
if (conf && callerident) {
user = conf->firstuser;
while (user) {
AST_LIST_TRAVERSE(&conf->userlist, user, list) {
if (cid == user->user_no)
return user;
user = user->nextuser;
}
}
return NULL;
@@ -2282,23 +2237,15 @@ static int admin_exec(struct ast_channel *chan, void *data) {
case 108: /* l: Unlock */
cnf->locked = 0;
break;
case 75: /* K: kick all users*/
user = cnf->firstuser;
while(user) {
case 75: /* K: kick all users */
AST_LIST_TRAVERSE(&cnf->userlist, user, list)
user->adminflags |= ADMINFLAG_KICKME;
if (user->nextuser) {
user = user->nextuser;
} else {
break;
}
}
break;
case 101: /* e: Eject last user*/
user = cnf->lastuser;
if (!(user->userflags & CONFFLAG_ADMIN)) {
user = AST_LIST_LAST(&cnf->userlist);
if (!(user->userflags & CONFFLAG_ADMIN))
user->adminflags |= ADMINFLAG_KICKME;
break;
} else
else
ast_log(LOG_NOTICE, "Not kicking last user, is an Admin!\n");
break;
case 77: /* M: Mute */
@@ -2314,15 +2261,9 @@ static int admin_exec(struct ast_channel *chan, void *data) {
}
break;
case 78: /* N: Mute all users */
user = cnf->firstuser;
while(user) {
if (user && !(user->userflags & CONFFLAG_ADMIN))
AST_LIST_TRAVERSE(&cnf->userlist, user, list) {
if (!(user->userflags & CONFFLAG_ADMIN))
user->adminflags |= ADMINFLAG_MUTED;
if (user->nextuser) {
user = user->nextuser;
} else {
break;
}
}
break;
case 109: /* m: Unmute */
@@ -2338,24 +2279,14 @@ static int admin_exec(struct ast_channel *chan, void *data) {
}
break;
case 110: /* n: Unmute all users */
user = cnf->firstuser;
while(user) {
if (user && (user-> adminflags & ADMINFLAG_MUTED)) {
user->adminflags ^= ADMINFLAG_MUTED;
}
if (user->nextuser) {
user = user->nextuser;
} else {
break;
}
}
AST_LIST_TRAVERSE(&cnf->userlist, user, list)
user->adminflags &= ~ADMINFLAG_MUTED;
break;
case 107: /* k: Kick user */
if (user) {
if (user)
user->adminflags |= ADMINFLAG_KICKME;
} else {
else
ast_log(LOG_NOTICE, "Specified User not found!");
}
break;
}
} else {

6
include/asterisk/linkedlists.h
View File

@@ -207,6 +207,12 @@ struct { \
*/
#define AST_LIST_FIRST(head) ((head)->first)
/*!
\brief Returns the last entry contained in a list.
\param head This is a pointer to the list tail structure
*/
#define AST_LIST_LAST(head) ((head)->last)
/*!
\brief Returns the next entry in the list after the given entry.
\param elm This is a pointer to the current entry.