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openwrt-xburst/package/asterisk/patches/asterisk-1.2.0-app_mysql.patch
nico 1b16374fc8 update asterisk to new upstream release (v1.2.1) 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2682 3c298f89-4303-0410-b956-a3cf2f4a3e73
2005-12-15 08:22:57 +00:00

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diff -ruN asterisk-1.2.0-old/apps/app_sql_mysql.c asterisk-1.2.0-new/apps/app_sql_mysql.c
--- asterisk-1.2.0-old/apps/app_sql_mysql.c 1970-01-01 01:00:00.000000000 +0100
+++ asterisk-1.2.0-new/apps/app_sql_mysql.c 2005-06-07 18:36:28.000000000 +0200
@@ -0,0 +1,445 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Connect to MySQL
+ *
+ * Copyright (C) 2004, Constantine Filin and Christos Ricudis
+ *
+ * Christos Ricudis <ricudis@itc.auth.gr>
+ * Constantine Filin <cf@intermedia.net>
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <mysql.h>
+
+#include <asterisk/file.h>
+#include <asterisk/logger.h>
+#include <asterisk/channel.h>
+#include <asterisk/pbx.h>
+#include <asterisk/module.h>
+#include <asterisk/linkedlists.h>
+#include <asterisk/chanvars.h>
+#include <asterisk/lock.h>
+
+#define EXTRA_LOG 0
+
+static char *tdesc = "Simple Mysql Interface";
+
+static char *app = "MYSQL";
+
+static char *synopsis = "Do several mySQLy things";
+
+static char *descrip =
+"MYSQL(): Do several mySQLy things\n"
+"Syntax:\n"
+" MYSQL(Connect connid dhhost dbuser dbpass dbname)\n"
+" Connects to a database. Arguments contain standard MySQL parameters\n"
+" passed to function mysql_real_connect. Connection identifer returned\n"
+" in ${var}\n"
+" MYSQL(Query resultid ${connid} query-string)\n"
+" Executes standard MySQL query contained in query-string using established\n"
+" connection identified by ${connection_identifier}. Result of query is\n"
+" is stored in ${var}.\n"
+" MYSQL(Fetch fetchid ${resultid} var1 var2 ... varN)\n"
+" Fetches a single row from a result set contained in ${result_identifier}.\n"
+" Assigns returned fields to ${var1} ... ${varn}. ${fetchid} is set TRUE\n"
+" if additional rows exist in result set.\n"
+" MYSQL(Clear ${resultid})\n"
+" Frees memory and datastructures associated with result set.\n"
+" MYSQL(Disconnect ${connid})\n"
+" Disconnects from named connection to MySQL.\n"
+" On exit, always returns 0. Sets MYSQL_STATUS to 0 on success and -1 on error.\n";
+
+/*
+EXAMPLES OF USE :
+
+exten => s,2,MYSQL(Connect connid localhost asterisk mypass credit)
+exten => s,3,MYSQL(Query resultid ${connid} SELECT username,credit FROM credit WHERE callerid=${CALLERIDNUM})
+exten => s,4,MYSQL(Fetch fetchid ${resultid} datavar1 datavar2)
+exten => s,5,GotoIf(${fetchid}?6:8)
+exten => s,6,Festival("User ${datavar1} currently has credit balance of ${datavar2} dollars.")
+exten => s,7,Goto(s,4)
+exten => s,8,MYSQL(Clear ${resultid})
+exten => s,9,MYSQL(Disconnect ${connid})
+*/
+
+STANDARD_LOCAL_USER;
+LOCAL_USER_DECL;
+
+AST_MUTEX_DEFINE_STATIC(_mysql_mutex);
+
+#define AST_MYSQL_ID_DUMMY 0
+#define AST_MYSQL_ID_CONNID 1
+#define AST_MYSQL_ID_RESID 2
+#define AST_MYSQL_ID_FETCHID 3
+
+struct ast_MYSQL_id {
+ int identifier_type; /* 0=dummy, 1=connid, 2=resultid */
+ int identifier;
+ void *data;
+ AST_LIST_ENTRY(ast_MYSQL_id) entries;
+} *ast_MYSQL_id;
+
+AST_LIST_HEAD(MYSQLidshead,ast_MYSQL_id) _mysql_ids_head;
+
+/* helpful procs */
+static void *find_identifier(int identifier,int identifier_type) {
+ struct MYSQLidshead *headp;
+ struct ast_MYSQL_id *i;
+ void *res=NULL;
+ int found=0;
+
+ headp=&_mysql_ids_head;
+
+ if (AST_LIST_LOCK(headp)) {
+ ast_log(LOG_WARNING,"Unable to lock identifiers list\n");
+ } else {
+ AST_LIST_TRAVERSE(headp,i,entries) {
+ if ((i->identifier==identifier) && (i->identifier_type==identifier_type)) {
+ found=1;
+ res=i->data;
+ break;
+ }
+ }
+ if (!found) {
+ ast_log(LOG_WARNING,"Identifier %d, identifier_type %d not found in identifier list\n",identifier,identifier_type);
+ }
+ AST_LIST_UNLOCK(headp);
+ }
+
+ return res;
+}
+
+static int add_identifier(int identifier_type,void *data) {
+ struct ast_MYSQL_id *i,*j;
+ struct MYSQLidshead *headp;
+ int maxidentifier=0;
+
+ headp=&_mysql_ids_head;
+ i=NULL;
+ j=NULL;
+
+ if (AST_LIST_LOCK(headp)) {
+ ast_log(LOG_WARNING,"Unable to lock identifiers list\n");
+ return(-1);
+ } else {
+ i=malloc(sizeof(struct ast_MYSQL_id));
+ AST_LIST_TRAVERSE(headp,j,entries) {
+ if (j->identifier>maxidentifier) {
+ maxidentifier=j->identifier;
+ }
+ }
+ i->identifier=maxidentifier+1;
+ i->identifier_type=identifier_type;
+ i->data=data;
+ AST_LIST_INSERT_HEAD(headp,i,entries);
+ AST_LIST_UNLOCK(headp);
+ }
+ return i->identifier;
+}
+
+static int del_identifier(int identifier,int identifier_type) {
+ struct ast_MYSQL_id *i;
+ struct MYSQLidshead *headp;
+ int found=0;
+
+ headp=&_mysql_ids_head;
+
+ if (AST_LIST_LOCK(headp)) {
+ ast_log(LOG_WARNING,"Unable to lock identifiers list\n");
+ } else {
+ AST_LIST_TRAVERSE(headp,i,entries) {
+ if ((i->identifier==identifier) &&
+ (i->identifier_type==identifier_type)) {
+ AST_LIST_REMOVE(headp,i,entries);
+ free(i);
+ found=1;
+ break;
+ }
+ }
+ AST_LIST_UNLOCK(headp);
+ }
+
+ if (found==0) {
+ ast_log(LOG_WARNING,"Could not find identifier %d, identifier_type %d in list to delete\n",identifier,identifier_type);
+ return(-1);
+ } else {
+ return(0);
+ }
+}
+
+static int set_asterisk_int(struct ast_channel *chan, char *varname, int id) {
+ if( id>=0 ) {
+ char s[100] = "";
+ snprintf(s, sizeof(s)-1, "%d", id);
+#if EXTRA_LOG
+ ast_log(LOG_WARNING,"MYSQL: setting var '%s' to value '%s'\n",varname,s);
+#endif
+ pbx_builtin_setvar_helper(chan,varname,s);
+ }
+ return id;
+}
+
+static int add_identifier_and_set_asterisk_int(struct ast_channel *chan, char *varname, int identifier_type, void *data) {
+ return set_asterisk_int(chan,varname,add_identifier(identifier_type,data));
+}
+
+static int safe_scan_int( char** data, char* delim, int def ) {
+ char* end;
+ int res = def;
+ char* s = strsep(data,delim);
+ if( s ) {
+ res = strtol(s,&end,10);
+ if (*end) res = def; /* not an integer */
+ }
+ return res;
+}
+
+/* MYSQL operations */
+static int aMYSQL_connect(struct ast_channel *chan, char *data) {
+
+ MYSQL *mysql;
+
+ char *connid_var;
+ char *dbhost;
+ char *dbuser;
+ char *dbpass;
+ char *dbname;
+
+ strsep(&data," "); // eat the first token, we already know it :P
+
+ connid_var=strsep(&data," ");
+ dbhost=strsep(&data," ");
+ dbuser=strsep(&data," ");
+ dbpass=strsep(&data," ");
+ dbname=strsep(&data,"\n");
+
+ if( connid_var && dbhost && dbuser && dbpass && dbname ) {
+ mysql = mysql_init(NULL);
+ if (mysql) {
+ if (mysql_real_connect(mysql,dbhost,dbuser,dbpass,dbname,0,NULL,0)) {
+ add_identifier_and_set_asterisk_int(chan,connid_var,AST_MYSQL_ID_CONNID,mysql);
+ return 0;
+ }
+ else {
+ ast_log(LOG_WARNING,"mysql_real_connect(mysql,%s,%s,dbpass,%s,...) failed\n",dbhost,dbuser,dbname);
+ }
+ }
+ else {
+ ast_log(LOG_WARNING,"myslq_init returned NULL\n");
+ }
+ }
+ else {
+ ast_log(LOG_WARNING,"MYSQL(connect is missing some arguments\n");
+ }
+
+ return -1;
+}
+
+static int aMYSQL_query(struct ast_channel *chan, char *data) {
+
+ MYSQL *mysql;
+ MYSQL_RES *mysqlres;
+
+ char *resultid_var;
+ int connid;
+ char *querystring;
+
+ strsep(&data," "); // eat the first token, we already know it :P
+
+ resultid_var = strsep(&data," ");
+ connid = safe_scan_int(&data," ",-1);
+ querystring = strsep(&data,"\n");
+
+ if (resultid_var && (connid>=0) && querystring) {
+ if ((mysql=find_identifier(connid,AST_MYSQL_ID_CONNID))!=NULL) {
+ mysql_query(mysql,querystring);
+ if ((mysqlres=mysql_use_result(mysql))!=NULL) {
+ add_identifier_and_set_asterisk_int(chan,resultid_var,AST_MYSQL_ID_RESID,mysqlres);
+ return 0;
+ }
+ else if( mysql_field_count(mysql)==0 ) {
+ return 0; // See http://dev.mysql.com/doc/mysql/en/mysql_field_count.html
+ }
+ else {
+ ast_log(LOG_WARNING,"aMYSQL_query: mysql_store_result() failed on query %s\n",querystring);
+ }
+ }
+ else {
+ ast_log(LOG_WARNING,"aMYSQL_query: Invalid connection identifier %d passed in aMYSQL_query\n",connid);
+ }
+ }
+ else {
+ ast_log(LOG_WARNING,"aMYSQL_query: missing some arguments\n");
+ }
+
+ return -1;
+}
+
+
+static int aMYSQL_fetch(struct ast_channel *chan, char *data) {
+
+ MYSQL_RES *mysqlres;
+ MYSQL_ROW mysqlrow;
+
+ char *fetchid_var,*s5,*s6;
+ int resultid,numFields,j;
+
+ strsep(&data," "); // eat the first token, we already know it :P
+
+ fetchid_var = strsep(&data," ");
+ resultid = safe_scan_int(&data," ",-1);
+
+ if (fetchid_var && (resultid>=0) ) {
+ if ((mysqlres=find_identifier(resultid,AST_MYSQL_ID_RESID))!=NULL) {
+ /* Grab the next row */
+ if ((mysqlrow=mysql_fetch_row(mysqlres))!=NULL) {
+ numFields=mysql_num_fields(mysqlres);
+ for (j=0;j<numFields;j++) {
+ s5=strsep(&data," ");
+ if (s5==NULL) {
+ ast_log(LOG_WARNING,"ast_MYSQL_fetch: More fields (%d) than variables (%d)\n",numFields,j);
+ break;
+ }
+ s6=mysqlrow[j];
+ pbx_builtin_setvar_helper(chan,s5, s6 ? s6 : "NULL");
+ }
+#ifdef EXTRA_LOG
+ ast_log(LOG_WARNING,"ast_MYSQL_fetch: numFields=%d\n",numFields);
+#endif
+ set_asterisk_int(chan,fetchid_var,1); // try more rows
+ } else {
+#if EXTRA_LOG
+ ast_log(LOG_WARNING,"ast_MYSQL_fetch : EOF\n");
+#endif
+ set_asterisk_int(chan,fetchid_var,0); // no more rows
+ }
+ return 0;
+ }
+ else {
+ ast_log(LOG_WARNING,"aMYSQL_fetch: Invalid result identifier %d passed\n",resultid);
+ }
+ }
+ else {
+ ast_log(LOG_WARNING,"aMYSQL_fetch: missing some arguments\n");
+ }
+
+ return -1;
+}
+
+static int aMYSQL_clear(struct ast_channel *chan, char *data) {
+
+ MYSQL_RES *mysqlres;
+
+ int id;
+ strsep(&data," "); // eat the first token, we already know it :P
+ id = safe_scan_int(&data," \n",-1);
+ if ((mysqlres=find_identifier(id,AST_MYSQL_ID_RESID))==NULL) {
+ ast_log(LOG_WARNING,"Invalid result identifier %d passed in aMYSQL_clear\n",id);
+ } else {
+ mysql_free_result(mysqlres);
+ del_identifier(id,AST_MYSQL_ID_RESID);
+ }
+
+ return 0;
+}
+
+static int aMYSQL_disconnect(struct ast_channel *chan, char *data) {
+
+ MYSQL *mysql;
+ int id;
+ strsep(&data," "); // eat the first token, we already know it :P
+
+ id = safe_scan_int(&data," \n",-1);
+ if ((mysql=find_identifier(id,AST_MYSQL_ID_CONNID))==NULL) {
+ ast_log(LOG_WARNING,"Invalid connection identifier %d passed in aMYSQL_disconnect\n",id);
+ } else {
+ mysql_close(mysql);
+ del_identifier(id,AST_MYSQL_ID_CONNID);
+ }
+
+ return 0;
+}
+
+static int MYSQL_exec(struct ast_channel *chan, void *data)
+{
+ struct localuser *u;
+ int result;
+ char sresult[10];
+
+#if EXTRA_LOG
+ fprintf(stderr,"MYSQL_exec: data=%s\n",(char*)data);
+#endif
+
+ if (!data) {
+ ast_log(LOG_WARNING, "APP_MYSQL requires an argument (see manual)\n");
+ return -1;
+ }
+
+ LOCAL_USER_ADD(u);
+ result=0;
+
+ ast_mutex_lock(&_mysql_mutex);
+
+ if (strncasecmp("connect",data,strlen("connect"))==0) {
+ result=aMYSQL_connect(chan,ast_strdupa(data));
+ } else if (strncasecmp("query",data,strlen("query"))==0) {
+ result=aMYSQL_query(chan,ast_strdupa(data));
+ } else if (strncasecmp("fetch",data,strlen("fetch"))==0) {
+ result=aMYSQL_fetch(chan,ast_strdupa(data));
+ } else if (strncasecmp("clear",data,strlen("clear"))==0) {
+ result=aMYSQL_clear(chan,ast_strdupa(data));
+ } else if (strncasecmp("disconnect",data,strlen("disconnect"))==0) {
+ result=aMYSQL_disconnect(chan,ast_strdupa(data));
+ } else {
+ ast_log(LOG_WARNING, "Unknown argument to MYSQL application : %s\n",(char *)data);
+ result=-1;
+ }
+
+ ast_mutex_unlock(&_mysql_mutex);
+
+ LOCAL_USER_REMOVE(u);
+ snprintf(sresult, sizeof(sresult), "%d", result);
+ pbx_builtin_setvar_helper(chan, "MYSQL_STATUS", sresult);
+ return 0;
+}
+
+int unload_module(void)
+{
+ STANDARD_HANGUP_LOCALUSERS;
+ return ast_unregister_application(app);
+}
+
+int load_module(void)
+{
+ struct MYSQLidshead *headp = &_mysql_ids_head;
+ AST_LIST_HEAD_INIT(headp);
+ return ast_register_application(app, MYSQL_exec, synopsis, descrip);
+}
+
+char *description(void)
+{
+ return tdesc;
+}
+
+int usecount(void)
+{
+ int res;
+ STANDARD_USECOUNT(res);
+ return res;
+}
+
+char *key()
+{
+ return ASTERISK_GPL_KEY;
+}
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