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Introduce a new manager action, GetConfigJSON, which is intended to improve

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performance of the GUI.  This encodes the configuration into the JSON format
in a manager header, "JSON: ".  The encoded information can be directly used
as a javascript object, so no parsing is needed.  For large configuration
files, this can greatly improve loading times in the GUI. Furthermore, the 
encoding takes up a lot less space when being transmitted than the other 
alternatives.  (Inspired by discussion with Pari)

Here is an example of what you get:
http://localhost:8088/asterisk/rawman?action=getconfigjson&filename=users.conf

Response: Success
JSON: {"general":["hasvoicemail=yes"],"6000":["fullname=russell","secret=1234"]}


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@56323 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2007-02-23 00:45:04 +00:00
parent 9138e53bc9
commit 0d3a211335
1 changed files with 47 additions and 0 deletions
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47
main/manager.c
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@@ -1059,6 +1059,52 @@ static int action_getconfig(struct mansession *s, const struct message *m)
return 0;
}
static char mandescr_getconfigjson[] =
"Description: A 'GetConfigJSON' action will dump the contents of a configuration\n"
"file by category and contents in JSON format. This only makes sense to be used\n"
"using rawman over the HTTP interface.\n"
"Variables:\n"
" Filename: Configuration filename (e.g. foo.conf)\n";
static int action_getconfigjson(struct mansession *s, const struct message *m)
{
struct ast_config *cfg;
const char *fn = astman_get_header(m, "Filename");
char *category = NULL;
struct ast_variable *v;
int comma1 = 0;
if (ast_strlen_zero(fn)) {
astman_send_error(s, m, "Filename not specified");
return 0;
}
if (!(cfg = ast_config_load_with_comments(fn))) {
astman_send_error(s, m, "Config file not found");
return 0;
}
astman_start_ack(s, m);
astman_append(s, "JSON: {");
while ((category = ast_category_browse(cfg, category))) {
int comma2 = 0;
astman_append(s, "%s\"%s\":[", comma1 ? "," : "", category);
if (!comma1)
comma1 = 1;
for (v = ast_variable_browse(cfg, category); v; v = v->next) {
astman_append(s, "%s\"%s=%s\"", comma2 ? "," : "", v->name, v->value);
if (!comma2)
comma2 = 1;
}
astman_append(s, "]");
}
astman_append(s, "}\r\n\r\n");
ast_config_destroy(cfg);
return 0;
}
/* helper function for action_updateconfig */
static void handle_updates(struct mansession *s, const struct message *m, struct ast_config *cfg)
{
@@ -2963,6 +3009,7 @@ int init_manager(void)
ast_manager_register2("Setvar", EVENT_FLAG_CALL, action_setvar, "Set Channel Variable", mandescr_setvar );
ast_manager_register2("Getvar", EVENT_FLAG_CALL, action_getvar, "Gets a Channel Variable", mandescr_getvar );
ast_manager_register2("GetConfig", EVENT_FLAG_CONFIG, action_getconfig, "Retrieve configuration", mandescr_getconfig);
ast_manager_register2("GetConfigJSON", EVENT_FLAG_CONFIG, action_getconfigjson, "Retrieve configuration (JSON format)", mandescr_getconfigjson);
ast_manager_register2("UpdateConfig", EVENT_FLAG_CONFIG, action_updateconfig, "Update basic configuration", mandescr_updateconfig);
ast_manager_register2("Redirect", EVENT_FLAG_CALL, action_redirect, "Redirect (transfer) a call", mandescr_redirect );
ast_manager_register2("Originate", EVENT_FLAG_CALL, action_originate, "Originate Call", mandescr_originate);