update res_odbc to support pooled connections

(from tilghman's developer branch, res_odbc_rewrite)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@21181 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2006-04-18 18:16:32 +00:00
parent fc2d28805b
commit 501ac5189c
4 changed files with 587 additions and 419 deletions

View File

@@ -52,7 +52,7 @@ LOCAL_USER_DECL;
static struct ast_variable *realtime_odbc(const char *database, const char *table, va_list ap)
{
odbc_obj *obj;
struct odbc_obj *obj;
SQLHSTMT stmt;
char sql[1024];
char coltitle[256];
@@ -79,19 +79,21 @@ static struct ast_variable *realtime_odbc(const char *database, const char *tabl
if (!table)
return NULL;
obj = fetch_odbc_obj(database, 0);
obj = odbc_request_obj(database, 0);
if (!obj)
return NULL;
res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Alloc Handle failed!\n");
odbc_release_obj(obj);
return NULL;
}
newparam = va_arg(aq, const char *);
if (!newparam) {
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return NULL;
}
newval = va_arg(aq, const char *);
@@ -107,6 +109,7 @@ static struct ast_variable *realtime_odbc(const char *database, const char *tabl
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Prepare failed![%s]\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return NULL;
}
@@ -123,6 +126,7 @@ static struct ast_variable *realtime_odbc(const char *database, const char *tabl
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Execute error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return NULL;
}
@@ -130,20 +134,23 @@ static struct ast_variable *realtime_odbc(const char *database, const char *tabl
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Column Count error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return NULL;
}
res = SQLFetch(stmt);
if (res == SQL_NO_DATA) {
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return NULL;
}
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Fetch error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return NULL;
}
for (x=0;x<colcount;x++) {
for (x = 0; x < colcount; x++) {
rowdata[0] = '\0';
collen = sizeof(coltitle);
res = SQLDescribeCol(stmt, x + 1, (unsigned char *)coltitle, sizeof(coltitle), &collen,
@@ -152,6 +159,7 @@ static struct ast_variable *realtime_odbc(const char *database, const char *tabl
ast_log(LOG_WARNING, "SQL Describe Column error!\n[%s]\n\n", sql);
if (var)
ast_variables_destroy(var);
odbc_release_obj(obj);
return NULL;
}
@@ -164,6 +172,7 @@ static struct ast_variable *realtime_odbc(const char *database, const char *tabl
ast_log(LOG_WARNING, "SQL Get Data error!\n[%s]\n\n", sql);
if (var)
ast_variables_destroy(var);
odbc_release_obj(obj);
return NULL;
}
stringp = rowdata;
@@ -183,12 +192,13 @@ static struct ast_variable *realtime_odbc(const char *database, const char *tabl
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return var;
}
static struct ast_config *realtime_multi_odbc(const char *database, const char *table, va_list ap)
{
odbc_obj *obj;
struct odbc_obj *obj;
SQLHSTMT stmt;
char sql[1024];
char coltitle[256];
@@ -220,19 +230,21 @@ static struct ast_config *realtime_multi_odbc(const char *database, const char *
return NULL;
memset(&ra, 0, sizeof(ra));
obj = fetch_odbc_obj(database, 0);
obj = odbc_request_obj(database, 0);
if (!obj)
return NULL;
res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Alloc Handle failed!\n");
odbc_release_obj(obj);
return NULL;
}
newparam = va_arg(aq, const char *);
if (!newparam) {
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return NULL;
}
initfield = ast_strdupa(newparam);
@@ -252,7 +264,8 @@ static struct ast_config *realtime_multi_odbc(const char *database, const char *
res = SQLPrepare(stmt, (unsigned char *)sql, SQL_NTS);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Prepare failed![%s]\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return NULL;
}
@@ -268,21 +281,24 @@ static struct ast_config *realtime_multi_odbc(const char *database, const char *
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Execute error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return NULL;
}
res = SQLNumResultCols(stmt, &colcount);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Column Count error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return NULL;
}
cfg = ast_config_new();
if (!cfg) {
ast_log(LOG_WARNING, "Out of memory!\n");
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return NULL;
}
@@ -332,13 +348,14 @@ static struct ast_config *realtime_multi_odbc(const char *database, const char *
ast_category_append(cfg, cat);
}
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return cfg;
}
static int update_odbc(const char *database, const char *table, const char *keyfield, const char *lookup, va_list ap)
{
odbc_obj *obj;
struct odbc_obj *obj;
SQLHSTMT stmt;
char sql[256];
SQLLEN rowcount=0;
@@ -352,19 +369,21 @@ static int update_odbc(const char *database, const char *table, const char *keyf
if (!table)
return -1;
obj = fetch_odbc_obj (database, 0);
obj = odbc_request_obj(database, 0);
if (!obj)
return -1;
res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Alloc Handle failed!\n");
odbc_release_obj(obj);
return -1;
}
newparam = va_arg(aq, const char *);
if (!newparam) {
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return -1;
}
newval = va_arg(aq, const char *);
@@ -380,6 +399,7 @@ static int update_odbc(const char *database, const char *table, const char *keyf
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Prepare failed![%s]\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return -1;
}
@@ -398,103 +418,147 @@ static int update_odbc(const char *database, const char *table, const char *keyf
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Execute error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return -1;
}
res = SQLRowCount(stmt, &rowcount);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log(LOG_WARNING, "SQL Row Count error!\n[%s]\n\n", sql);
return -1;
}
if (rowcount >= 0)
return (int)rowcount;
if (rowcount >= 0)
return (int)rowcount;
return -1;
}
struct config_odbc_obj {
char *sql;
unsigned long id;
unsigned long cat_metric;
unsigned long var_metric;
unsigned long commented;
char filename[128];
char category[128];
char var_name[128];
char var_val[128];
SQLINTEGER err;
};
static SQLHSTMT config_odbc_prepare(struct odbc_obj *obj, void *data)
{
struct config_odbc_obj *q = data;
SQLHSTMT sth;
int res;
res = SQLAllocHandle(SQL_HANDLE_STMT, obj->con, &sth);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
if (option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "Failure in AllocStatement %d\n", res);
return NULL;
}
res = SQLPrepare(sth, (unsigned char *)q->sql, SQL_NTS);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
if (option_verbose > 3)
ast_verbose( VERBOSE_PREFIX_4 "Error in PREPARE %d\n", res);
SQLFreeHandle(SQL_HANDLE_STMT, sth);
return NULL;
}
SQLBindCol(sth, 1, SQL_C_ULONG, &q->id, sizeof(q->id), &q->err);
SQLBindCol(sth, 2, SQL_C_ULONG, &q->cat_metric, sizeof(q->cat_metric), &q->err);
SQLBindCol(sth, 3, SQL_C_ULONG, &q->var_metric, sizeof(q->var_metric), &q->err);
SQLBindCol(sth, 4, SQL_C_ULONG, &q->commented, sizeof(q->commented), &q->err);
SQLBindCol(sth, 5, SQL_C_CHAR, q->filename, sizeof(q->filename), &q->err);
SQLBindCol(sth, 6, SQL_C_CHAR, q->category, sizeof(q->category), &q->err);
SQLBindCol(sth, 7, SQL_C_CHAR, q->var_name, sizeof(q->var_name), &q->err);
SQLBindCol(sth, 8, SQL_C_CHAR, q->var_val, sizeof(q->var_val), &q->err);
return sth;
}
static struct ast_config *config_odbc(const char *database, const char *table, const char *file, struct ast_config *cfg)
{
struct ast_variable *new_v;
struct ast_category *cur_cat;
int res = 0;
odbc_obj *obj;
SQLINTEGER err=0, commented=0, cat_metric=0, var_metric=0, last_cat_metric=0;
SQLBIGINT id;
char sql[255] = "", filename[128], category[128], var_name[128], var_val[512];
struct odbc_obj *obj;
char sql[255] = "";
unsigned int last_cat_metric = 0;
SQLSMALLINT rowcount=0;
SQLHSTMT stmt;
char last[128] = "";
struct config_odbc_obj q;
memset(&q, 0, sizeof(q));
if (!file || !strcmp (file, "res_config_odbc.conf"))
return NULL; /* cant configure myself with myself ! */
obj = fetch_odbc_obj(database, 0);
obj = odbc_request_obj(database, 0);
if (!obj)
return NULL;
res = SQLAllocHandle (SQL_HANDLE_STMT, obj->con, &stmt);
SQLBindCol (stmt, 1, SQL_C_ULONG, &id, sizeof (id), &err);
SQLBindCol (stmt, 2, SQL_C_ULONG, &cat_metric, sizeof (cat_metric), &err);
SQLBindCol (stmt, 3, SQL_C_ULONG, &var_metric, sizeof (var_metric), &err);
SQLBindCol (stmt, 4, SQL_C_ULONG, &commented, sizeof (commented), &err);
SQLBindCol (stmt, 5, SQL_C_CHAR, &filename, sizeof (filename), &err);
SQLBindCol (stmt, 6, SQL_C_CHAR, &category, sizeof (category), &err);
SQLBindCol (stmt, 7, SQL_C_CHAR, &var_name, sizeof (var_name), &err);
SQLBindCol (stmt, 8, SQL_C_CHAR, &var_val, sizeof (var_val), &err);
snprintf(sql, sizeof(sql), "SELECT * FROM %s WHERE filename='%s' and commented=0 ORDER BY filename,cat_metric desc,var_metric asc,category,var_name,var_val,id", table, file);
q.sql = sql;
res = odbc_smart_direct_execute(obj, stmt, sql);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log (LOG_WARNING, "SQL select error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
stmt = odbc_prepare_and_execute(obj, config_odbc_prepare, &q);
if (!stmt) {
ast_log(LOG_WARNING, "SQL select error!\n[%s]\n\n", sql);
odbc_release_obj(obj);
return NULL;
}
res = SQLNumResultCols (stmt, &rowcount);
res = SQLNumResultCols(stmt, &rowcount);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
ast_log (LOG_WARNING, "SQL NumResultCols error!\n[%s]\n\n", sql);
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
ast_log(LOG_WARNING, "SQL NumResultCols error!\n[%s]\n\n", sql);
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return NULL;
}
if (!rowcount) {
ast_log (LOG_NOTICE, "found nothing\n");
ast_log(LOG_NOTICE, "found nothing\n");
odbc_release_obj(obj);
return cfg;
}
cur_cat = ast_config_get_current_category(cfg);
while ((res = SQLFetch(stmt)) != SQL_NO_DATA) {
if (!strcmp (var_name, "#include")) {
if (!ast_config_internal_load(var_val, cfg)) {
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
if (!strcmp (q.var_name, "#include")) {
if (!ast_config_internal_load(q.var_val, cfg)) {
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return NULL;
}
continue;
}
if (strcmp(last, category) || last_cat_metric != cat_metric) {
cur_cat = ast_category_new(category);
if (strcmp(last, q.category) || last_cat_metric != q.cat_metric) {
cur_cat = ast_category_new(q.category);
if (!cur_cat) {
ast_log(LOG_WARNING, "Out of memory!\n");
break;
}
strcpy(last, category);
last_cat_metric = cat_metric;
strcpy(last, q.category);
last_cat_metric = q.cat_metric;
ast_category_append(cfg, cur_cat);
}
new_v = ast_variable_new(var_name, var_val);
new_v = ast_variable_new(q.var_name, q.var_val);
ast_variable_append(cur_cat, new_v);
}
SQLFreeHandle (SQL_HANDLE_STMT, stmt);
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
odbc_release_obj(obj);
return cfg;
}