[asterisk-commits] CLI: Enable automatic references to modules. (asterisk[master])

SVN commits to the Asterisk project asterisk-commits at lists.digium.com
Thu May 7 07:04:43 CDT 2015


Matt Jordan has submitted this change and it was merged.

Change subject: CLI: Enable automatic references to modules.
......................................................................


CLI: Enable automatic references to modules.

* Pass module to ast_cli_register and ast_cli_register_multiple.
* Add a module reference before executing any CLI callback, remove
  the reference when complete.

ASTERISK-25049 #close
Reported by: Corey Farrell

Change-Id: I7aafc7c9f2b912918f28fe51d51e9e8a755750e3
---
M include/asterisk/cli.h
M main/cli.c
M res/res_clioriginate.c
M res/res_convert.c
M utils/ael_main.c
M utils/clicompat.c
M utils/conf2ael.c
7 files changed, 28 insertions(+), 39 deletions(-)

Approvals:
  Matt Jordan: Looks good to me, approved; Verified
  Joshua Colp: Looks good to me, but someone else must approve
  George Joseph: Looks good to me, but someone else must approve



diff --git a/include/asterisk/cli.h b/include/asterisk/cli.h
index 458ebc8..82363c1 100644
--- a/include/asterisk/cli.h
+++ b/include/asterisk/cli.h
@@ -177,7 +177,7 @@
 	const char * usage; 				/*!< Detailed usage information */
 
 	int inuse; 				/*!< For keeping track of usage */
-	struct module *module;			/*!< module this belongs to */
+	struct ast_module *module;			/*!< module this belongs to */
 	char *_full_cmd;			/*!< built at load time from cmda[] */
 	int cmdlen;				/*!< len up to the first invalid char [<{% */
 	/*! \brief This gets set in ast_cli_register()
@@ -253,14 +253,19 @@
  * \retval 0 on success
  * \retval -1 on failure
  */
-int ast_cli_register(struct ast_cli_entry *e);
+#define ast_cli_register(e) __ast_cli_register(e, AST_MODULE_SELF)
+
+int __ast_cli_register(struct ast_cli_entry *e, struct ast_module *mod);
 
 /*!
  * \brief Register multiple commands
  * \param e pointer to first cli entry to register
  * \param len number of entries to register
  */
-int ast_cli_register_multiple(struct ast_cli_entry *e, int len);
+#define ast_cli_register_multiple(e, len) \
+	__ast_cli_register_multiple(e, len, AST_MODULE_SELF)
+
+int __ast_cli_register_multiple(struct ast_cli_entry *e, int len, struct ast_module *mod);
 
 /*! 
  * \brief Unregisters a command or an array of commands
diff --git a/main/cli.c b/main/cli.c
index a230c20..eb8800f 100644
--- a/main/cli.c
+++ b/main/cli.c
@@ -2203,7 +2203,7 @@
 	return 0;
 }
 
-static int __ast_cli_unregister(struct ast_cli_entry *e, struct ast_cli_entry *ed)
+int ast_cli_unregister(struct ast_cli_entry *e)
 {
 	if (e->inuse) {
 		ast_log(LOG_WARNING, "Can't remove command that is in use\n");
@@ -2225,7 +2225,7 @@
 	return 0;
 }
 
-static int __ast_cli_register(struct ast_cli_entry *e, struct ast_cli_entry *ed)
+int __ast_cli_register(struct ast_cli_entry *e, struct ast_module *module)
 {
 	struct ast_cli_entry *cur;
 	int i, lf, ret = -1;
@@ -2244,7 +2244,11 @@
 	}
 
 	memset(&a, '\0', sizeof(a));
+
+	e->module = module;
+	/* No module reference needed here, the module called us. */
 	e->handler(e, CLI_INIT, &a);
+
 	/* XXX check that usage and command are filled up */
 	s = ast_skip_blanks(e->command);
 	s = e->command = ast_strdup(s);
@@ -2295,27 +2299,16 @@
 	return ret;
 }
 
-/* wrapper function, so we can unregister deprecated commands recursively */
-int ast_cli_unregister(struct ast_cli_entry *e)
-{
-	return __ast_cli_unregister(e, NULL);
-}
-
-/* wrapper function, so we can register deprecated commands recursively */
-int ast_cli_register(struct ast_cli_entry *e)
-{
-	return __ast_cli_register(e, NULL);
-}
-
 /*
  * register/unregister an array of entries.
  */
-int ast_cli_register_multiple(struct ast_cli_entry *e, int len)
+int __ast_cli_register_multiple(struct ast_cli_entry *e, int len, struct ast_module *module)
 {
 	int i, res = 0;
 
-	for (i = 0; i < len; i++)
-		res |= ast_cli_register(e + i);
+	for (i = 0; i < len; i++) {
+		res |= __ast_cli_register(e + i, module);
+	}
 
 	return res;
 }
@@ -2657,7 +2650,9 @@
 					.n = state - matchnum,
 					.argv = argv,
 					.argc = x};
+				ast_module_ref(e->module);
 				ret = e->handler(e, CLI_GENERATE, &a);
+				ast_module_unref(e->module);
 			}
 			if (ret)
 				break;
@@ -2714,7 +2709,9 @@
 	 */
 	args[0] = (char *)e;
 
+	ast_module_ref(e->module);
 	retval = e->handler(e, CLI_HANDLER, &a);
+	ast_module_unref(e->module);
 
 	if (retval == CLI_SHOWUSAGE) {
 		ast_cli(fd, "%s", S_OR(e->usage, "Invalid usage, but no usage information available.\n"));
diff --git a/res/res_clioriginate.c b/res/res_clioriginate.c
index 173f9f5..451b174 100644
--- a/res/res_clioriginate.c
+++ b/res/res_clioriginate.c
@@ -156,8 +156,6 @@
 			"used. If no extension is given, the 's' extension will be used.\n";
 		return NULL;
 	case CLI_GENERATE:
-		/* ugly, can be removed when CLI entries have ast_module pointers */
-		ast_module_ref(ast_module_info->self);
 		if (a->pos == 3) {
 			res = ast_cli_complete(a->word, choices, a->n);
 		} else if (a->pos == 4) {
@@ -165,15 +163,11 @@
 				res = ast_complete_applications(a->line, a->word, a->n);
 			}
 		}
-		ast_module_unref(ast_module_info->self);
 		return res;
 	}
 
 	if (ast_strlen_zero(a->argv[2]) || ast_strlen_zero(a->argv[3]))
 		return CLI_SHOWUSAGE;
-
-	/* ugly, can be removed when CLI entries have ast_module pointers */
-	ast_module_ref(ast_module_info->self);
 
 	if (!strcasecmp("application", a->argv[3])) {
 		res = orig_app(a->fd, a->argv[2], a->argv[4], a->argv[5]);
@@ -182,8 +176,6 @@
 	} else {
 		res = CLI_SHOWUSAGE;
 	}
-
-	ast_module_unref(ast_module_info->self);
 
 	return res;
 }
diff --git a/res/res_convert.c b/res/res_convert.c
index 2a691a5..3ca5965 100644
--- a/res/res_convert.c
+++ b/res/res_convert.c
@@ -88,9 +88,6 @@
 		return NULL;
 	}
 	
-	/* ugly, can be removed when CLI entries have ast_module pointers */
-	ast_module_ref(ast_module_info->self);
-
 	if (a->argc != 4 || ast_strlen_zero(a->argv[2]) || ast_strlen_zero(a->argv[3])) {
 		ret = CLI_SHOWUSAGE;
 		goto fail_out;	
@@ -141,8 +138,6 @@
 
 	if (fs_in) 
 		ast_closestream(fs_in);
-
-	ast_module_unref(ast_module_info->self);
 
 	return ret;
 }
diff --git a/utils/ael_main.c b/utils/ael_main.c
index 2237625..06ba8e6 100644
--- a/utils/ael_main.c
+++ b/utils/ael_main.c
@@ -103,7 +103,7 @@
 const char *ast_config_AST_CONFIG_DIR = config_dir;
 const char *ast_config_AST_VAR_DIR = var_dir;
 
-void ast_cli_register_multiple(void);
+void __ast_cli_register_multiple(void);
 int ast_add_extension2(struct ast_context *con,
 					   int replace, const char *extension, int priority, const char *label, const char *callerid,
 						const char *application, void *data, void (*datad)(void *),
@@ -208,7 +208,7 @@
 }
 
 
-void ast_cli_register_multiple(void)
+void __ast_cli_register_multiple(void)
 {
 	if(!no_comp)
         	printf("Executed ast_cli_register_multiple();\n");
diff --git a/utils/clicompat.c b/utils/clicompat.c
index d25a710..426dd5c 100644
--- a/utils/clicompat.c
+++ b/utils/clicompat.c
@@ -21,8 +21,8 @@
 	return 0;
 }
 
-int ast_cli_register_multiple(struct ast_cli_entry *e, int len);
-int ast_cli_register_multiple(struct ast_cli_entry *e, int len)
+int __ast_cli_register_multiple(struct ast_cli_entry *e, int len);
+int __ast_cli_register_multiple(struct ast_cli_entry *e, int len)
 {
 	return 0;
 }
diff --git a/utils/conf2ael.c b/utils/conf2ael.c
index 99304b2..76a3ad3 100644
--- a/utils/conf2ael.c
+++ b/utils/conf2ael.c
@@ -605,9 +605,9 @@
 	return localized_context_find_or_create(extcontexts, exttable, name, registrar);
 }
 
-void ast_cli_register_multiple(void);
+void __ast_cli_register_multiple(void);
 
-void ast_cli_register_multiple(void)
+void __ast_cli_register_multiple(void)
 {
 }
 

-- 
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Gerrit-MessageType: merged
Gerrit-Change-Id: I7aafc7c9f2b912918f28fe51d51e9e8a755750e3
Gerrit-PatchSet: 6
Gerrit-Project: asterisk
Gerrit-Branch: master
Gerrit-Owner: Corey Farrell <git at cfware.com>
Gerrit-Reviewer: Corey Farrell <git at cfware.com>
Gerrit-Reviewer: George Joseph <george.joseph at fairview5.com>
Gerrit-Reviewer: Joshua Colp <jcolp at digium.com>
Gerrit-Reviewer: Matt Jordan <mjordan at digium.com>



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