[Asterisk-cvs] asterisk/apps app_groupcount.c,1.6,1.7

markster at lists.digium.com markster at lists.digium.com
Sun Oct 3 12:33:08 CDT 2004


Update of /usr/cvsroot/asterisk/apps
In directory mongoose.digium.com:/tmp/cvs-serv23018/apps

Modified Files:
	app_groupcount.c 
Log Message:
Improve groupcount handling (bug #2529) thanks!


Index: app_groupcount.c
===================================================================
RCS file: /usr/cvsroot/asterisk/apps/app_groupcount.c,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -d -r1.6 -r1.7
--- app_groupcount.c	2 Oct 2004 00:58:31 -0000	1.6
+++ app_groupcount.c	3 Oct 2004 16:34:52 -0000	1.7
@@ -15,6 +15,8 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
+#include <sys/types.h>
+#include <regex.h>
 #include <asterisk/file.h>
 #include <asterisk/logger.h>
 #include <asterisk/options.h>
@@ -22,125 +24,73 @@
 #include <asterisk/pbx.h>
 #include <asterisk/module.h>
 #include <asterisk/utils.h>
+#include <asterisk/cli.h>
+#include <asterisk/app.h>
 
-static char *tdesc = "Group Management Routines";
-
-static char *app_group_count = "GetGroupCount";
-static char *app_group_set = "SetGroup";
-static char *app_group_check = "CheckGroup";
+STANDARD_LOCAL_USER;
 
-static char *group_count_synopsis = "GetGroupCount([groupname][@category])";
-static char *group_set_synopsis = "SetGroup(groupname[@category])";
-static char *group_check_synopsis = "CheckGroup(max[@category])";
+LOCAL_USER_DECL;
 
-static char *group_count_descrip =
-"GetGroupCount([group][@category])\n"
-"  Calculates the group count for the specified group, or uses\n"
-"the current channel's group if not specifed (and non-empty).\n"
-"Stores result in GROUPCOUNT.  Always returns 0.\n";
+static int group_count_exec(struct ast_channel *chan, void *data)
+{
+	int res = 0;
+	int count;
+	struct localuser *u;
+	char group[80] = "";
+	char category[80] = "";
+	char ret[80] = "";
+	char *grp;
 
-static char *group_set_descrip =
-"SetGroup(group)\n"
-"  Sets the channel group to the specified value.  Equivalent to\n"
-"SetVar(GROUP=group).  Always returns 0.\n";
+	LOCAL_USER_ADD(u);
 
-static char *group_check_descrip =
-"CheckGroup(max)\n"
-"  Checks that the current number of total channels in the\n"
-"current channel's group does not exceed 'max'.  If the number\n"
-"does not exceed 'max', we continue to the next step. If the\n"
-"number does in fact exceed max, if priority n+101 exists, then\n"
-"execution continues at that step, otherwise -1 is returned.\n";
+	ast_app_group_split_group(data, group, sizeof(group), category, sizeof(category));
 
-STANDARD_LOCAL_USER;
+	if (ast_strlen_zero(group)) {
+		grp = pbx_builtin_getvar_helper(chan, category);
+		strncpy(group, grp, sizeof(group) - 1);
+	}
 
-LOCAL_USER_DECL;
+	count = ast_app_group_get_count(group, category);
+	snprintf(ret, sizeof(ret), "%d", count);
+	pbx_builtin_setvar_helper(chan, "GROUPCOUNT", ret);
 
-#define DEFAULT_CATEGORY "GROUP"
+	LOCAL_USER_REMOVE(u);
 
-static int group_get_count(char *group, char *category)
-{
-	struct ast_channel *chan;
-	int count = 0;
-	char *test;
-	if (group && !ast_strlen_zero(group)) {
-		chan = ast_channel_walk_locked(NULL);
-		while(chan) {
-			test = pbx_builtin_getvar_helper(chan, category);
-			if (test && !strcasecmp(test, group))
-				count++;
-			ast_mutex_unlock(&chan->lock);
-			chan = ast_channel_walk_locked(chan);
-		}
-	}
-	return count;
+	return res;
 }
 
-static int group_count_exec(struct ast_channel *chan, void *data)
+static int group_match_count_exec(struct ast_channel *chan, void *data)
 {
-	int res=0;
+	int res = 0;
 	int count;
 	struct localuser *u;
-	char *group=NULL;
-	char *cat = NULL;
-	char ret[80]="";
-	char tmp[256]="";
+	char group[80] = "";
+	char category[80] = "";
+	char ret[80] = "";
 
 	LOCAL_USER_ADD(u);
 
-	/* Check and parse arguments */
-	if (data && !ast_strlen_zero(data)) {
-		strncpy(tmp, data, sizeof(tmp) - 1);
-		group = tmp;
-		cat = strchr(tmp, '@');
-		if (cat) {
-			*cat = '\0';
-			cat++;
-		}
-	}
-	if (cat)
-		snprintf(ret, sizeof(ret), "GROUP_%s", cat);
-	else
-		strncpy(ret, DEFAULT_CATEGORY, sizeof(ret) - 1);
+	ast_app_group_split_group(data, group, sizeof(group), category, sizeof(category));
 
-	if (!group || ast_strlen_zero(group)) {
-		group = pbx_builtin_getvar_helper(chan, ret);
+	if (!ast_strlen_zero(group)) {
+		count = ast_app_group_match_get_count(group, category);
+		snprintf(ret, sizeof(ret), "%d", count);
+		pbx_builtin_setvar_helper(chan, "GROUPCOUNT", ret);
 	}
-	count = group_get_count(group, ret);
-	snprintf(ret, sizeof(ret), "%d", count);
-	pbx_builtin_setvar_helper(chan, "GROUPCOUNT", ret);
+
 	LOCAL_USER_REMOVE(u);
+
 	return res;
 }
 
 static int group_set_exec(struct ast_channel *chan, void *data)
 {
-	int res=0;
+	int res = 0;
 	struct localuser *u;
-	char ret[80] = "";
-	char tmp[256] = "";
-	char *cat=NULL, *group=NULL;
 
 	LOCAL_USER_ADD(u);
 
-	/* Check and parse arguments */
-	if (data && !ast_strlen_zero(data)) {
-		strncpy(tmp, data, sizeof(tmp) - 1);
-		group = tmp;
-		cat = strchr(tmp, '@');
-		if (cat) {
-			*cat = '\0';
-			cat++;
-		}
-	}
-	if (cat)
-		snprintf(ret, sizeof(ret), "GROUP_%s", cat);
-	else
-		strncpy(ret, DEFAULT_CATEGORY, sizeof(ret) - 1);
-
-	if (group && !ast_strlen_zero(group)) {
-		pbx_builtin_setvar_helper(chan, ret, group);
-	} else
+	if (ast_app_group_set_channel(chan, data))
 		ast_log(LOG_WARNING, "SetGroup requires an argument (group name)\n");
 
 	LOCAL_USER_REMOVE(u);
@@ -149,51 +99,139 @@
 
 static int group_check_exec(struct ast_channel *chan, void *data)
 {
-	int res=0;
+	int res = 0;
 	int max, count;
 	struct localuser *u;
-	char ret[80] = "";
-	char tmp[256] = "";
-	char *cat, *group;
+	char limit[80]="";
+	char category[80]="";
 
 	LOCAL_USER_ADD(u);
 
-	if (data && !ast_strlen_zero(data)) {
-		strncpy(tmp, data, sizeof(tmp) - 1);
-		group = tmp;
-		cat = strchr(tmp, '@');
-		if (cat) {
-			*cat = '\0';
-			cat++;
-		}
-	 	if ((sscanf((char *)tmp, "%i", &max) == 1) && (max > -1)) {
-			if (cat)
-				snprintf(ret, sizeof(ret), "GROUP_%s", cat);
+	if (!data || ast_strlen_zero(data)) {
+		ast_log(LOG_WARNING, "CheckGroup requires an argument(max[@category])\n");
+		return res;
+	}
+
+  	ast_app_group_split_group(data, limit, sizeof(limit), category, sizeof(category));
+
+ 	if ((sscanf(limit, "%i", &max) == 1) && (max > -1)) {
+		count = ast_app_group_get_count(pbx_builtin_getvar_helper(chan, category), category);
+		if (count > max) {
+			if (ast_exists_extension(chan, chan->context, chan->exten, chan->priority + 101, chan->cid.cid_num))
+				chan->priority += 100;
 			else
-				strncpy(ret, DEFAULT_CATEGORY, sizeof(ret) - 1);
-			
-			count = group_get_count(pbx_builtin_getvar_helper(chan, ret), ret);
-			if (count > max) {
-				if (ast_exists_extension(chan, chan->context, chan->exten, chan->priority + 101, chan->cid.cid_num))
-					chan->priority += 100;
-				else
-					res = -1;
-			}
-		} else
-			ast_log(LOG_WARNING, "CheckGroup requires a positive integer argument (max)\n");
+				res = -1;
+		}
 	} else
-		ast_log(LOG_WARNING, "CheckGroup requires an argument(max)\n");
+		ast_log(LOG_WARNING, "CheckGroup requires a positive integer argument (max)\n");
+
 	LOCAL_USER_REMOVE(u);
 	return res;
 }
 
+static int group_show_channels(int fd, int argc, char *argv[])
+{
+#define FORMAT_STRING  "%-25s  %-20s  %-20s\n"
+
+	struct ast_channel *c = NULL;
+	int numchans = 0;
+	struct ast_var_t *current;
+	struct varshead *headp;
+	regex_t regexbuf;
+	int havepattern = 0;
+
+	if (argc < 3 || argc > 4)
+		return RESULT_SHOWUSAGE;
+	
+	if (argc == 4) {
+		if (regcomp(&regexbuf, argv[3], REG_EXTENDED | REG_NOSUB))
+			return RESULT_SHOWUSAGE;
+		havepattern = 1;
+	}
+
+	c = ast_channel_walk_locked(NULL);
+	ast_cli(fd, FORMAT_STRING, "Channel", "Group", "Category");
+	while(c) {
+		headp=&c->varshead;
+		AST_LIST_TRAVERSE(headp,current,entries) {
+			if (!strncmp(ast_var_name(current), GROUP_CATEGORY_PREFIX "_", strlen(GROUP_CATEGORY_PREFIX) + 1)) {
+				if (!havepattern || !regexec(&regexbuf, ast_var_value(current), 0, NULL, 0)) {
+					ast_cli(fd, FORMAT_STRING, c->name, ast_var_value(current),
+						(ast_var_name(current) + strlen(GROUP_CATEGORY_PREFIX) + 1));
+					numchans++;
+				}
+			} else if (!strcmp(ast_var_name(current), GROUP_CATEGORY_PREFIX)) {
+				if (!havepattern || !regexec(&regexbuf, ast_var_value(current), 0, NULL, 0)) {
+					ast_cli(fd, FORMAT_STRING, c->name, ast_var_value(current), "(default)");
+					numchans++;
+				}
+			}
+		}
+		numchans++;
+		ast_mutex_unlock(&c->lock);
+		c = ast_channel_walk_locked(c);
+	}
+
+	if (havepattern)
+		regfree(&regexbuf);
+
+	ast_cli(fd, "%d active channel(s)\n", numchans);
+	return RESULT_SUCCESS;
+}
+
+static char *tdesc = "Group Management Routines";
+
+static char *app_group_count = "GetGroupCount";
+static char *app_group_set = "SetGroup";
+static char *app_group_check = "CheckGroup";
+static char *app_group_match_count = "GetGroupMatchCount";
+
+static char *group_count_synopsis = "GetGroupCount([groupname][@category])";
+static char *group_set_synopsis = "SetGroup(groupname[@category])";
+static char *group_check_synopsis = "CheckGroup(max[@category])";
+static char *group_match_count_synopsis = "GetGroupMatchCount(groupmatch[@category])";
+
+static char *group_count_descrip =
+"GetGroupCount([group][@category])\n"
+"  Calculates the group count for the specified group, or uses\n"
+"the current channel's group if not specifed (and non-empty).\n"
+"Stores result in GROUPCOUNT.  Always returns 0.\n";
+
+static char *group_set_descrip =
+"SetGroup(group)\n"
+"  Sets the channel group to the specified value.  Equivalent to\n"
+"SetVar(GROUP=group).  Always returns 0.\n";
+
+static char *group_check_descrip =
+"CheckGroup(max[@category])\n"
+"  Checks that the current number of total channels in the\n"
+"current channel's group does not exceed 'max'.  If the number\n"
+"does not exceed 'max', we continue to the next step. If the\n"
+"number does in fact exceed max, if priority n+101 exists, then\n"
+"execution continues at that step, otherwise -1 is returned.\n";
+
+static char *group_match_count_descrip =
+"GetGroupMatchCount(groupmatch[@category])\n"
+"  Calculates the group count for all groups that match the specified\n"
+"pattern. Uses standard regular expression matching (see regex(7)).\n"
+"Stores result in GROUPCOUNT.  Always returns 0.\n";
+
+static char show_channels_usage[] = 
+"Usage: group show channels [pattern]\n"
+"       Lists all currently active channels with channel group(s) specified.\n       Optional regular expression pattern is matched to group names for each channel.\n";
+
+static struct ast_cli_entry  cli_show_channels =
+	{ { "group", "show", "channels", NULL }, group_show_channels, "Show active channels with group(s)", show_channels_usage};
+
 int unload_module(void)
 {
 	int res;
 	STANDARD_HANGUP_LOCALUSERS;
+	ast_cli_unregister(&cli_show_channels);
 	res = ast_unregister_application(app_group_count);
 	res |= ast_unregister_application(app_group_set);
 	res |= ast_unregister_application(app_group_check);
+	res |= ast_unregister_application(app_group_match_count);
 	return res;
 }
 
@@ -203,6 +241,8 @@
 	res = ast_register_application(app_group_count, group_count_exec, group_count_synopsis, group_count_descrip);
 	res |= ast_register_application(app_group_set, group_set_exec, group_set_synopsis, group_set_descrip);
 	res |= ast_register_application(app_group_check, group_check_exec, group_check_synopsis, group_check_descrip);
+	res |= ast_register_application(app_group_match_count, group_match_count_exec, group_match_count_synopsis, group_match_count_descrip);
+	ast_cli_register(&cli_show_channels);
 	return res;
 }
 




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