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diff --git a/src/configfile.c b/src/configfile.c
index a0610041257525ba50e6013c473dbb357866262b..be90dd37437da693dbac11588ab66a67b246cd17 100644 (file)
--- a/src/configfile.c
+++ b/src/configfile.c
* Florian octo Forster <octo at verplant.org>
**/
+/* TODO
+ * make internal-only functions `static' */
+
#include "collectd.h"
#include "libconfig/libconfig.h"
int mode;
} cf_mode_item_t;
+/* TODO
+ * - LogFile
+ */
static cf_mode_item_t cf_mode_list[] =
{
{"Server", NULL, MODE_CLIENT },
{"Port", NULL, MODE_CLIENT | MODE_SERVER },
{"PIDFile", NULL, MODE_CLIENT | MODE_SERVER | MODE_LOCAL},
- {"DataDir", NULL, MODE_SERVER | MODE_LOCAL},
- {"PluginDir", NULL, MODE_CLIENT | MODE_SERVER | MODE_LOCAL}
+ {"DataDir", NULL, MODE_CLIENT | MODE_SERVER | MODE_LOCAL},
+ {"LogFile", NULL, MODE_CLIENT | MODE_SERVER | MODE_LOCAL}
};
static int cf_mode_num = 5;
static int nesting_depth = 0;
static char *current_module = NULL;
-/* cf_register needs this prototype */
-int cf_callback_dispatch (const char *, const char *, const char *,
+/* `cf_register' needs this prototype */
+int cf_callback_plugin_dispatch (const char *, const char *, const char *,
const char *, lc_flags_t, void *);
/*
int ret;
int i;
+ DBG ("type = %s, key = %s, value = %s", type, orig_key, orig_value);
+
if ((cf_cb = cf_search (type)) == NULL)
{
syslog (LOG_WARNING, "Plugin `%s' did not register a callback.\n", type);
* `key', but apparently `lc_register_*' can handle
* it.. */
lc_register_callback (buf, SHORTOPT_NONE,
- LC_VAR_STRING, cf_callback_dispatch,
+ LC_VAR_STRING, cf_callback_plugin_dispatch,
NULL);
}
else
/*
* Other query functions
*/
-char *cf_get_mode_option (const char *key)
+char *cf_get_option (const char *key, char *def)
{
int i;
if ((cf_mode_list[i].mode & operating_mode) == 0)
continue;
- if (strcasecmp (cf_mode_list[i].key, key) == 0)
+ if (strcasecmp (cf_mode_list[i].key, key) != 0)
+ continue;
+
+ if (cf_mode_list[i].value != NULL)
return (cf_mode_list[i].value);
+ return (def);
}
return (NULL);
}
-/*
- * Functions for the actual parsing
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Functions for the actual parsing *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * `cf_callback_mode'
+ * Chose the `operating_mode'
+ *
+ * Mode `value'
*/
-int cf_callback_dispatch (const char *shortvar, const char *var,
+int cf_callback_mode (const char *shortvar, const char *var,
const char *arguments, const char *value, lc_flags_t flags,
void *extra)
{
DBG ("shortvar = %s, var = %s, arguments = %s, value = %s, ...",
shortvar, var, arguments, value);
- if ((nesting_depth == 0) || (current_module == NULL))
+ if (strcasecmp (value, "Client") == 0)
+ operating_mode = MODE_CLIENT;
+ else if (strcasecmp (value, "Server") == 0)
+ operating_mode = MODE_SERVER;
+ else if (strcasecmp (value, "Local") == 0)
+ operating_mode = MODE_LOCAL;
+ else
{
- fprintf (stderr, ERR_NEEDS_SECTION, shortvar);
+ syslog (LOG_ERR, "Invalid value for config option `Mode': `%s'", value);
return (LC_CBRET_ERROR);
}
- /* Send the data to the plugin */
- if (cf_dispatch (current_module, shortvar, value) < 0)
- return (LC_CBRET_ERROR);
+ return (LC_CBRET_OKAY);
+}
+
+/*
+ * `cf_callback_mode_plugindir'
+ * Change the plugin directory
+ *
+ * <Mode xxx>
+ * PluginDir `value'
+ * </Mode>
+ */
+int cf_callback_mode_plugindir (const char *shortvar, const char *var,
+ const char *arguments, const char *value, lc_flags_t flags,
+ void *extra)
+{
+ DBG ("shortvar = %s, var = %s, arguments = %s, value = %s, ...",
+ shortvar, var, arguments, value);
+
+ plugin_set_dir (value);
return (LC_CBRET_OKAY);
}
-int cf_callback_options_mode (const char *shortvar, const char *var,
+int cf_callback_mode_option (const char *shortvar, const char *var,
const char *arguments, const char *value, lc_flags_t flags,
void *extra)
{
cf_mode_item_t *item;
+ DBG ("shortvar = %s, var = %s, arguments = %s, value = %s, ...",
+ shortvar, var, arguments, value);
+
if (extra == NULL)
{
fprintf (stderr, "No extra..?\n");
return (LC_CBRET_OKAY);
}
-int cf_callback_section_mode (const char *shortvar, const char *var,
+/*
+ * `cf_callback_mode_loadmodule':
+ * Load a plugin.
+ *
+ * <Mode xxx>
+ * LoadPlugin `value'
+ * </Mode>
+ */
+int cf_callback_mode_loadmodule (const char *shortvar, const char *var,
const char *arguments, const char *value, lc_flags_t flags,
void *extra)
{
DBG ("shortvar = %s, var = %s, arguments = %s, value = %s, ...",
shortvar, var, arguments, value);
- if (flags == LC_FLAGS_SECTIONSTART)
- {
- if (nesting_depth != 0)
- {
- fprintf (stderr, ERR_NOT_NESTED);
- return (LC_CBRET_ERROR);
- }
-
- if (arguments == NULL)
- {
- fprintf (stderr, ERR_NEEDS_ARG, shortvar);
- return (LC_CBRET_ERROR);
- }
+ if (plugin_load (value))
+ syslog (LOG_ERR, "plugin_load (%s): failed to load plugin", value);
- nesting_depth++;
+ /* Return `okay' even if there was an error, because it's not a syntax
+ * problem.. */
+ return (LC_CBRET_OKAY);
+}
- if (((operating_mode == MODE_CLIENT)
- && (strcasecmp (arguments, "Client") == 0))
- || ((operating_mode == MODE_SERVER)
- && (strcasecmp (arguments, "Server") == 0))
- || ((operating_mode == MODE_LOCAL)
- && (strcasecmp (arguments, "Local") == 0)))
- {
- return (LC_CBRET_OKAY);
- }
- else
- {
- return (LC_CBRET_IGNORESECTION);
- }
- }
- else if (flags == LC_FLAGS_SECTIONEND)
- {
- nesting_depth--;
+/*
+ * `cf_callback_mode_switch'
+ * Change the contents of the global variable `operating_mode'
+ *
+ * This should be command line options. One *can* do this in the config
+ * files, but I will not document this. Don't whine abount it not working as
+ * you expect if you do it anyways.
+ */
+int cf_callback_mode_switch (const char *shortvar, const char *var,
+ const char *arguments, const char *value, lc_flags_t flags,
+ void *extra)
+{
+ DBG ("shortvar = %s, var = %s, arguments = %s, value = %s, ...",
+ shortvar, var, arguments, value);
- return (LC_CBRET_OKAY);
- }
+ if (strcasecmp (shortvar, "Client") == 0)
+ operating_mode = MODE_CLIENT;
+ else if (strcasecmp (shortvar, "Local") == 0)
+ operating_mode = MODE_LOCAL;
+ else if (strcasecmp (shortvar, "Server") == 0)
+ operating_mode = MODE_SERVER;
else
{
- fprintf (stderr, ERR_SECTION_ONLY, shortvar);
+ fprintf (stderr, "cf_callback_mode_switch: Wrong mode!\n");
return (LC_CBRET_ERROR);
}
+ return (LC_CBRET_OKAY);
}
-int cf_callback_section_module (const char *shortvar, const char *var,
+/*
+ * `cf_callback_plugin'
+ * Start/end section `plugin'
+ *
+ * <Plugin `arguments'>
+ * ...
+ * </Plugin>
+ */
+int cf_callback_plugin (const char *shortvar, const char *var,
const char *arguments, const char *value, lc_flags_t flags,
void *extra)
{
}
}
-int cf_callback_loadmodule (const char *shortvar, const char *var,
+/*
+ * `cf_callback_plugin_dispatch'
+ * Send options within `plugin' sections to the plugin that requests it.
+ *
+ * <Plugin `current_module'>
+ * `var' `value'
+ * </Plugin>
+ */
+int cf_callback_plugin_dispatch (const char *shortvar, const char *var,
const char *arguments, const char *value, lc_flags_t flags,
void *extra)
{
DBG ("shortvar = %s, var = %s, arguments = %s, value = %s, ...",
shortvar, var, arguments, value);
- if (nesting_depth == 0)
+ if ((nesting_depth == 0) || (current_module == NULL))
{
fprintf (stderr, ERR_NEEDS_SECTION, shortvar);
return (LC_CBRET_ERROR);
}
- if (plugin_load (value))
- syslog (LOG_ERR, "plugin_load (%s): failed to load plugin", shortvar);
+ /* Send the data to the plugin */
+ if (cf_dispatch (current_module, shortvar, value) < 0)
+ return (LC_CBRET_ERROR);
- /* Return `okay' even if there was an error, because it's not a syntax
- * problem.. */
return (LC_CBRET_OKAY);
}
-int cf_read (char *filename)
+void cf_init (void)
{
+ static int run_once = 0;
int i;
- if (filename == NULL)
- filename = CONFIGFILE;
+ if (run_once != 0)
+ return;
+ run_once = 1;
- lc_register_callback ("Mode", SHORTOPT_NONE, LC_VAR_SECTION,
- cf_callback_section_mode, NULL);
+ lc_register_callback ("Mode", SHORTOPT_NONE, LC_VAR_STRING,
+ cf_callback_mode, NULL);
lc_register_callback ("Plugin", SHORTOPT_NONE, LC_VAR_SECTION,
- cf_callback_section_module, NULL);
+ cf_callback_plugin, NULL);
- lc_register_callback ("Mode.LoadPlugin", SHORTOPT_NONE,
- LC_VAR_STRING, cf_callback_loadmodule,
- NULL);
+ lc_register_callback ("PluginDir", SHORTOPT_NONE,
+ LC_VAR_STRING, cf_callback_mode_plugindir, NULL);
+ lc_register_callback ("LoadPlugin", SHORTOPT_NONE,
+ LC_VAR_STRING, cf_callback_mode_loadmodule, NULL);
for (i = 0; i < cf_mode_num; i++)
{
- char longvar[256];
cf_mode_item_t *item;
item = &cf_mode_list[i];
- if (snprintf (longvar, 256, "Mode.%s", item->key) >= 256)
- continue;
-
- lc_register_callback (longvar, SHORTOPT_NONE, LC_VAR_STRING,
- cf_callback_options_mode, (void *) item);
+ lc_register_callback (item->key, SHORTOPT_NONE, LC_VAR_STRING,
+ cf_callback_mode_option, (void *) item);
}
+}
+
+int cf_read (char *filename)
+{
+ cf_init ();
+
+ if (filename == NULL)
+ filename = CONFIGFILE;
+
+ DBG ("Starting to parse file `%s'", filename);
+ /* int lc_process_file(const char *appname, const char *pathname, lc_conf_type_t type); */
if (lc_process_file ("collectd", filename, LC_CONF_APACHE))
{
syslog (LOG_ERR, "lc_process_file (%s): %s", filename, lc_geterrstr ());
return (-1);
}
+ DBG ("Done parsing file `%s'", filename);
+
/* free memory and stuff */
lc_cleanup ();