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This commits the performance mods that give the priority processing engine in the pbx, a 25-30% speed boost. The two updates used, are, first, to merge the ast_exists_extension() and the ast_spawn_extension() where they are called sequentially in a loop in the code, into a slightly upgraded version of ast_spawn_extension(), with a few extra args; and, second, I modified the substitute_variables_helper_full, so it zeroes out the byte after the evaluated string instead of demanding you pre-zero the buffer; I also went thru the code and removed the code that zeroed this buffer before every call to the substitute_variables_helper_full. The first fix provides about a 9% speedup, and the second the rest. These figures come from the 'PIPS' benchmark I describe in blogs, conf. reports, etc.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@88166 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Steve Murphy
2007-11-01 22:26:51 +00:00
parent 842b1a34fe
commit 63f2f04cf4
25 changed files with 103 additions and 117 deletions
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1
funcs/func_cut.c
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@@ -141,7 +141,6 @@ static int cut_internal(struct ast_channel *chan, char *data, char *buffer, size
if (tmp) {
snprintf(tmp, strlen(args.varname) + 4, "${%s}", args.varname);
memset(varvalue, 0, sizeof(varvalue));
} else {
return ERROR_NOMEM;
}

1
funcs/func_logic.c
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@@ -157,7 +157,6 @@ static int acf_import(struct ast_channel *chan, const char *cmd, char *data, cha
AST_APP_ARG(varname);
);
AST_STANDARD_APP_ARGS(args, data);
memset(buf, 0, len);
if (!ast_strlen_zero(args.varname)) {
struct ast_channel *chan2 = ast_get_channel_by_name_locked(args.channel);

4
funcs/func_odbc.c
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@@ -138,7 +138,7 @@ static int acf_odbc_write(struct ast_channel *chan, const char *cmd, char *s, co
{
struct odbc_obj *obj = NULL;
struct acf_odbc_query *query;
char *t, buf[2048]="", varname[15];
char *t, buf[2048], varname[15];
int i, dsn, bogus_chan = 0;
AST_DECLARE_APP_ARGS(values,
AST_APP_ARG(field)[100];
@@ -256,7 +256,7 @@ static int acf_odbc_read(struct ast_channel *chan, const char *cmd, char *s, cha
{
struct odbc_obj *obj = NULL;
struct acf_odbc_query *query;
char sql[2048] = "", varname[15], colnames[2048] = "", rowcount[12] = "-1";
char sql[2048], varname[15], colnames[2048] = "", rowcount[12] = "-1";
int res, x, y, buflen = 0, escapecommas, rowlimit = 1, dsn, bogus_chan = 0;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(field)[100];

4
funcs/func_strings.c
View File

@@ -48,7 +48,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
static int function_fieldqty(struct ast_channel *chan, const char *cmd,
char *parse, char *buf, size_t len)
{
char *varsubst, varval[8192] = "", *varval2 = varval;
char *varsubst, varval[8192], *varval2 = varval;
int fieldcount = 0;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(varname);
@@ -734,8 +734,6 @@ static struct ast_custom_function strptime_function = {
static int function_eval(struct ast_channel *chan, const char *cmd, char *data,
char *buf, size_t len)
{
memset(buf, 0, len);
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "EVAL requires an argument: EVAL(<string>)\n");
return -1;