[Freeswitch-trunk] [commit] r12432 - in freeswitch/trunk: . src src/include
FreeSWITCH SVN
mrene at freeswitch.org
Wed Mar 4 19:09:31 PST 2009
Author: mrene
Date: Wed Mar 4 21:09:31 2009
New Revision: 12432
Log:
Generic config parser
Added:
freeswitch/trunk/src/include/switch_xml_config.h
freeswitch/trunk/src/switch_xml_config.c
Modified:
freeswitch/trunk/Makefile.am
Modified: freeswitch/trunk/Makefile.am
==============================================================================
--- freeswitch/trunk/Makefile.am (original)
+++ freeswitch/trunk/Makefile.am Wed Mar 4 21:09:31 2009
@@ -91,6 +91,7 @@
src/switch_stun.c\
src/switch_log.c\
src/switch_xml.c\
+src/switch_xml_config.c\
src/switch_config.c\
src/switch_time.c\
libs/stfu/stfu.c\
@@ -132,6 +133,7 @@
src/include/switch_stun.h\
src/include/switch_log.h\
src/include/switch_xml.h\
+src/include/switch_xml_config.h\
src/include/switch_cpp.h\
libs/libteletone/src/libteletone_detect.h\
libs/libteletone/src/libteletone_generate.h\
Added: freeswitch/trunk/src/include/switch_xml_config.h
==============================================================================
--- (empty file)
+++ freeswitch/trunk/src/include/switch_xml_config.h Wed Mar 4 21:09:31 2009
@@ -0,0 +1,85 @@
+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005-2009, Anthony Minessale II <anthm at freeswitch.org>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthm at freeswitch.org>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Mathieu Rene <mathieu.rene at gmail.com>
+ *
+ *
+ * switch_xml_config.h - Generic configuration parser
+ *
+ */
+
+#ifndef SWITCH_XML_CONFIG_H
+#define SWITCH_XML_CONFIG_H
+
+/*! \brief Type of value to parse */
+typedef enum {
+ SWITCH_CONFIG_INT, /*< (ptr=int* default=int data=NULL) Integer */
+ SWITCH_CONFIG_STRING, /*< (ptr=[char* or char ** (for alloc)] default=char* data=switch_xml_config_string_options_t*) Zero-terminated C-string */
+ SWITCH_CONFIG_YESNO, /*< (ptr=switch_bool_t* default=switch_bool_t data=NULL) Yes and no */
+ SWITCH_CONFIG_CUSTOM, /*< (ptr=<custom function data> default=<custom function data> data=switch_xml_config_callback_t) Custom, get value through function pointer */
+ SWITCH_CONFIG_ENUM, /*< (ptr=int* default=int data=switch_xml_config_enum_item_t*) */
+ SWITCH_CONFIG_FLAG, /*< (ptr=int32_t* default=switch_bool_t data=int (flag index) */
+ SWITCH_CONFIG_FLAGARRAY,/*< (ptr=int8_t* default=switch_bool_t data=int (flag index) */
+
+ /* No more past that line */
+ SWITCH_CONFIG_LAST
+} switch_xml_config_type_t;
+
+typedef struct {
+ char *key; /*< The item's key or NULL if this is the last one in the list */
+ int value; /*< The item's value */
+} switch_xml_config_enum_item_t;
+
+typedef struct {
+ switch_memory_pool_t *pool; /*< If set, the string will be allocated on the pool (unless the length param is > 0, then you misread this file)*/
+ int length; /*< Length of the char array, or 0 if memory has to be allocated dynamically*/
+} switch_xml_config_string_options_t;
+
+/*!
+ * \brief A configuration instruction read by switch_xml_config_parse
+*/
+typedef struct {
+ char *key; /*< The key of the element, or NULL to indicate the end of the list */
+ switch_xml_config_type_t type; /*< The type of variable */
+ switch_bool_t reloadable; /*< True if the var can be changed on reload */
+ void *ptr; /*< Ptr to the var to be changed */
+ void *defaultvalue; /*< Default value */
+ void *data; /*< Custom data (depending on the type) */
+} switch_xml_config_item_t;
+
+typedef switch_status_t (*switch_xml_config_callback_t)(switch_xml_config_item_t *data);
+
+#define SWITCH_CONFIG_END { NULL, SWITCH_CONFIG_LAST, 0, NULL ,NULL, NULL }
+
+/*!
+ * \brief Parses all the xml elements, following a ruleset defined by an array of switch_xml_config_item_t
+ * \param xml The first element of the list to parse
+ * \param reload true to skip all non-reloadable options
+ * \param options instrutions on how to parse the elements
+ * \see switch_xml_config_item_t
+ */
+switch_status_t switch_xml_config_parse(switch_xml_t xml, int reload, switch_xml_config_item_t *options);
+
+#endif /* !defined(SWITCH_XML_CONFIG_H) */
\ No newline at end of file
Added: freeswitch/trunk/src/switch_xml_config.c
==============================================================================
--- (empty file)
+++ freeswitch/trunk/src/switch_xml_config.c Wed Mar 4 21:09:31 2009
@@ -0,0 +1,221 @@
+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005-2009, Anthony Minessale II <anthm at freeswitch.org>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Mathieu Rene <mathieu.rene at gmail.com>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Mathieu Rene <mathieu.rene at gmail.com>
+ *
+ *
+ * switch_xml_config.c - Generic configuration parser
+ *
+ */
+
+#include <stdio.h>
+#include <switch.h>
+
+switch_status_t switch_xml_config_parse(switch_xml_t xml, int reload, switch_xml_config_item_t *options)
+{
+ switch_xml_config_item_t *item;
+ switch_xml_t node;
+ switch_event_t *event;
+ switch_event_create(&event, SWITCH_EVENT_REQUEST_PARAMS);
+ switch_assert(event);
+ int file_count = 0,
+
+ for (node = xml; node; node = node->next) {
+ switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, switch_xml_attr_soft(node, "name"); switch_xml_attr_soft(node, "value"));
+ }
+
+ for (item = options; item->key; item++) {
+ const char *value = switch_event_get_header(event, item->key);
+
+ if (reload && !item->reloadable) {
+ continue;
+ }
+
+ switch(item->type) {
+ case SWITCH_CONFIG_INT:
+ {
+ int *dest = (int*)item->ptr;
+ if (value) {
+ if (switch_is_number(value)) {
+ *dest = atoi(value);
+ } else {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid value [%s] for parameter [%s]\n",
+ value, item->key);
+ *dest = (int)item->defaultvalue;
+ }
+ } else {
+ *dest = (int)item->defaultvalue;
+ }
+ }
+ break;
+ case SWITCH_CONFIG_STRING:
+ {
+ switch_xml_config_string_options_t *options = (switch_xml_config_string_options_t*)item->data;
+ if (options->length > 0) {
+ /* We have a preallocated buffer */
+ char *dest = (char*)item->ptr;
+ strncpy(dest, value, options->length);
+ } else {
+ char **dest = (char**)item->ptr;
+ if (options->pool) {
+ *dest = switch_core_strdup(options->pool, value);
+ } else {
+ switch_safe_free(*dest); /* Free the destination if its not NULL */
+ *dest = strdup(value);
+ }
+ }
+ }
+ break;
+ case SWITCH_CONFIG_YESNO:
+ {
+ switch_bool_t *dest = (switch_bool_t*)item->ptr;
+ if (value) {
+ *dest = !!switch_true(value);
+ } else {
+ *dest = (switch_bool_t)item->defaultvalue;
+ }
+ }
+ break;
+ case SWITCH_CONFIG_CUSTOM:
+ {
+ switch_xml_config_callback_t callback = (switch_xml_config_callback_t)item->data;
+ callback(item);
+ }
+ break;
+ case SWITCH_CONFIG_ENUM:
+ {
+ switch_xml_config_enum_item_t *options = (switch_xml_config_enum_item_t*)item->data;
+ int *dest = (int*)item->ptr;
+
+ if (value) {
+ for (;options->key; options++) {
+ if (!strcasecmp(value, options->key)) {
+ *dest = options->value;
+ break;
+ }
+ }
+
+ if (!options->key) { /* if (!found) */
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid value [%s] for parameter [%s]\n",
+ value, item->key);
+ }
+ } else {
+ *dest = (int)item->defaultvalue;
+ }
+ }
+ break;
+ case SWITCH_CONFIG_FLAG:
+ {
+ int32_t *dest = (int32_t*)item->ptr;
+ int index = (int)item->data;
+ if (value) {
+ if (switch_true(value)) {
+ *dest |= (1 << index);
+ } else {
+ *dest &= ~(1 << index);
+ }
+ } else {
+ if ((switch_bool_t)item->defaultvalue) {
+ *dest |= (1 << index);
+ } else {
+ *dest &= ~(1 << index);
+ }
+ }
+ }
+ break;
+ case SWITCH_CONFIG_FLAGARRAY:
+ {
+ int8_t *dest = (int8_t*)item->ptr;
+ int index = (int)item->data;
+ if (value) {
+ dest[index] = !!switch_true(value);
+ } else {
+ dest[index] = (int8_t)((int32_t)item->defaultvalue);
+ }
+ }
+ break;
+ case SWITCH_CONFIG_LAST:
+ break;
+ }
+ }
+
+ switch_event_destroy(&event);
+
+ return SWITCH_STATUS_SUCCESS;
+}
+
+
+#if 0
+typedef enum {
+ MYENUM_TEST1 = 1,
+ MYENUM_TEST2 = 2,
+ MYENUM_TEST3 = 3
+} myenum_t;
+
+static struct {
+ char *stringalloc;
+ char string[50];
+ myenum_t enumm;
+ int yesno;
+
+} globals;
+
+
+void switch_xml_config_test()
+{
+ char *cf = "test.conf";
+ switch_xml_t cfg, xml, settings;
+ switch_xml_config_string_options_t config_opt_stringalloc = { NULL, 0 }; /* No pool, use strdup */
+ switch_xml_config_string_options_t config_opt_buffer = { NULL, 50 }; /* No pool, use current var as buffer */
+ switch_xml_config_enum_item_t enumm_options[] = {
+ { "test1", MYENUM_TEST1 },
+ { "test2", MYENUM_TEST2 },
+ { "test3", MYENUM_TEST3 },
+ { NULL, 0 }
+ };
+
+ switch_xml_config_item_t instructions[] = {
+ { "db_host", SWITCH_CONFIG_STRING, SWITCH_TRUE, &globals.stringalloc, "blah", &config_opt_stringalloc },
+ { "db_user", SWITCH_CONFIG_STRING, SWITCH_TRUE, globals.string, "dflt", &config_opt_buffer },
+ { "test", SWITCH_CONFIG_ENUM, SWITCH_FALSE, &globals.enumm, (void*)MYENUM_TEST1, enumm_options },
+ SWITCH_CONFIG_END
+ };
+
+ if (!(xml = switch_xml_open_cfg("blaster.conf", &cfg, NULL))) {
+ switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Could not open %s\n", cf);
+ return;
+ }
+
+ if ((settings = switch_xml_child(cfg, "settings"))) {
+ if (switch_xml_config_parse(switch_xml_child(settings, "param"), 0, instructions) == SWITCH_STATUS_SUCCESS) {
+ printf("YAY!\n");
+ }
+ }
+
+ if (cfg) {
+ switch_xml_free(cfg);
+ }
+}
+#endif
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