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extra db approach in js

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@737 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2006-03-02 22:32:42 +00:00
parent aea92cf640
commit 79e34c97db
2 changed files with 88 additions and 2 deletions
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2
src/include/switch_sqlite.h
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@ -58,7 +58,7 @@ extern "C" {
* following opaque structure.
*/
typedef sqlite3 switch_core_db;
typedef sqlite3_stmt switch_core_db_stmt;
/**
* Aggregate functions use the following routine to allocate
* a structure for storing their state. The first time this routine

88
src/mod/languages/mod_spidermonkey/mod_spidermonkey.c
View File

@ -138,6 +138,7 @@ struct fileio_obj {
struct db_obj {
switch_memory_pool *pool;
switch_core_db *db;
switch_core_db_stmt *stmt;
char *dbname;
char code_buffer[2048];
JSContext *cx;
@ -1185,6 +1186,10 @@ static void db_destroy(JSContext *cx, JSObject *obj)
if (dbo) {
switch_memory_pool *pool = dbo->pool;
if (dbo->stmt) {
switch_core_db_finalize(dbo->stmt);
dbo->stmt = NULL;
}
switch_core_db_close(dbo->db);
switch_core_destroy_memory_pool(&pool);
pool = NULL;
@ -1199,7 +1204,7 @@ static int db_callback(void *pArg, int argc, char **argv, char **columnNames)
jsval rval;
int x = 0;
snprintf(code, sizeof(code), "~var _Db_RoW_ = {}", dbo->code_buffer);
snprintf(code, sizeof(code), "~var _Db_RoW_ = {}");
eval_some_js(code, dbo->cx, dbo->obj, &rval);
for(x=0; x < argc; x++) {
@ -1244,12 +1249,93 @@ static JSBool db_exec(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsv
return JS_TRUE;
}
static JSBool db_next(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
struct db_obj *dbo = JS_GetPrivate(cx, obj);
*rval = BOOLEAN_TO_JSVAL( JS_FALSE );
if (dbo->stmt) {
int result = switch_core_db_step(dbo->stmt);
int running = 1;
while (running < 5000) {
if (result == SQLITE_ROW) {
*rval = BOOLEAN_TO_JSVAL( JS_TRUE );
break;
} else if (result == SQLITE_BUSY) {
running++;
continue;
}
switch_core_db_finalize(dbo->stmt);
dbo->stmt = NULL;
break;
}
}
return JS_TRUE;
}
static JSBool db_fetch(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
struct db_obj *dbo = JS_GetPrivate(cx, obj);
int colcount = switch_core_db_column_count(dbo->stmt);
char code[1024];
int x;
snprintf(code, sizeof(code), "~var _dB_RoW_DaTa_ = {}");
eval_some_js(code, dbo->cx, dbo->obj, rval);
if (*rval == JS_FALSE) {
return JS_TRUE;
}
for (x = 0; x < colcount; x++) {
snprintf(code, sizeof(code), "~_dB_RoW_DaTa_[\"%s\"] = \"%s\"",
switch_core_db_column_name(dbo->stmt, x),
switch_core_db_column_text(dbo->stmt, x));
eval_some_js(code, dbo->cx, dbo->obj, rval);
if (*rval == JS_FALSE) {
return JS_TRUE;
}
}
JS_GetProperty(cx, obj, "_dB_RoW_DaTa_", rval);
return JS_TRUE;
}
static JSBool db_prepare(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
struct db_obj *dbo = JS_GetPrivate(cx, obj);
*rval = BOOLEAN_TO_JSVAL( JS_FALSE );
if (dbo->stmt) {
switch_core_db_finalize(dbo->stmt);
dbo->stmt = NULL;
}
if (argc > 0) {
char *sql = JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
if(switch_core_db_prepare(dbo->db, sql, 0, &dbo->stmt, 0)) {
switch_console_printf(SWITCH_CHANNEL_CONSOLE, "Error %s\n", switch_core_db_errmsg(dbo->db));
} else {
*rval = BOOLEAN_TO_JSVAL( JS_TRUE );
}
}
return JS_TRUE;
}
enum db_tinyid {
DB_NAME
};
static JSFunctionSpec db_methods[] = {
{"exec", db_exec, 1},
{"next", db_next, 0},
{"fetch", db_fetch, 1},
{"prepare", db_prepare, 0},
{0}
};