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reverted changes from r70 in server.c; enhanced config parser

personal/stbuehler/wip
Thomas Porzelt 2008-08-05 21:21:31 +02:00
parent 708b5fc223
commit 24d1f61c87
3 changed files with 81 additions and 25 deletions
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3
src/config_parser.h
View File

@ -36,7 +36,8 @@ struct config_parser_context_t {
comp_operator_t op;
gchar value_op;
GHashTable *action_blocks;
GHashTable *action_blocks; /* foo { } */
GHashTable *uservars; /* var.foo */
GQueue *action_list_stack; /* first entry is current action list */
GQueue *option_stack; /* stack of option* */

100
src/config_parser.rl
View File

@ -239,10 +239,20 @@
}
else if (r->type == OPTION_INT && ctx->value_op == '*') {
/* str * int */
o->value.opt_string = g_string_truncate(o->value.opt_string, 0);
o->value.opt_string = g_string_set_size(o->value.opt_string, o->value.opt_string->len * r->value.opt_int);
for (gint i = 0; i < r->value.opt_int; i++)
o->value.opt_string = g_string_append_len(o->value.opt_string, l->value.opt_string->str, l->value.opt_string->len);
if (r->value.opt_int < 0) {
log_warning(srv, NULL, "string multiplication with negative number (%d)?", r->value.opt_int);
return FALSE;
}
else if (r->value.opt_int == 0) {
o->value.opt_string = g_string_truncate(o->value.opt_string, 0);
}
else {
GString *str;
str = g_string_new_len(l->value.opt_string->str, l->value.opt_string->len);
for (gint i = 1; i < r->value.opt_int; i++)
o->value.opt_string = g_string_append_len(o->value.opt_string, str->str, str->len);
g_string_free(str, TRUE);
}
}
}
else if (l->type == OPTION_LIST) {
@ -308,20 +318,34 @@
action actionref {
/* varname is on the stack */
option *o, *r;
action *a;
o = g_queue_pop_head(ctx->option_stack);
a = g_hash_table_lookup(ctx->action_blocks, o->value.opt_string);
/* action refs starting with "var." are user defined variables */
if (g_str_has_prefix(o->value.opt_string->str, "var.")) {
/* look up var in hashtable, push option onto stack */
r = g_hash_table_lookup(ctx->uservars, o->value.opt_string);
if (a == NULL) {
log_warning(srv, NULL, "unknown action block referenced: %s", o->value.opt_string->str);
return FALSE;
if (r == NULL) {
log_warning(srv, NULL, "unknown variable '%s'", o->value.opt_string->str);
return FALSE;
}
}
else {
/* real action, lookup hashtable and create new action option */
action *a;
a = g_hash_table_lookup(ctx->action_blocks, o->value.opt_string);
if (a == NULL) {
log_warning(srv, NULL, "unknown action block referenced: %s", o->value.opt_string->str);
return FALSE;
}
r = option_new_action(srv, a);
}
r = option_new_action(srv, a);
g_queue_push_head(ctx->option_stack, r);
option_free(o);
}
action operator {
@ -352,11 +376,19 @@
assert(name->type == OPTION_STRING);
_printf("got assignment: %s = %s; in line %zd\n", name->value.opt_string->str, option_type_string(val->type), ctx->line);
if (ctx->in_setup_block) {
/* in setup { } block => set default values for options */
option_free(name);
}
else if (g_str_has_prefix(name->value.opt_string->str, "var.")) {
/* assignment vor user defined variable, insert into hashtable */
g_hash_table_insert(ctx->uservars, name->value.opt_string, val);
}
else {
if (g_str_has_prefix(name->value.opt_string->str, "var.")) {
}
/* normal assignment */
option_free(name);
}
/*
@ -370,9 +402,6 @@
g_array_append_val(al->actions, a);
*/
UNUSED(a); UNUSED(al);
_printf("got assignment: %s = %s; in line %zd\n", name->value.opt_string->str, option_type_string(val->type), ctx->line);
option_free(name);
}
action function {
@ -386,15 +415,29 @@ UNUSED(a); UNUSED(al);
assert(name->type == OPTION_STRING);
_printf("got function: %s %s; in line %zd\n", name->value.opt_string->str, option_type_string(val->type), ctx->line);
if (g_str_equal(name->value.opt_string->str, "include")) {
if (val->type != OPTION_STRING) {
/* TODO */
log_warning(srv, NULL, "include directive takes a string as parameter, %s given", option_type_string(val->type));
return FALSE;
}
if (!config_parser_file(srv, ctx_stack, val->value.opt_string->str))
return FALSE;
option_free(val);
}
else if (g_str_equal(name->value.opt_string->str, "include_shell")) {
if (val->type != OPTION_STRING) {
/* TODO */
log_warning(srv, NULL, "include_shell directive takes a string as parameter, %s given", option_type_string(val->type));
return FALSE;
}
if (!config_parser_shell(srv, ctx_stack, val->value.opt_string->str))
return FALSE;
option_free(val);
}
else {
/* TODO */
@ -413,8 +456,6 @@ UNUSED(a); UNUSED(al);
}
}
_printf("got function: %s %s; in line %zd\n", name->value.opt_string->str, option_type_string(val->type), ctx->line);
option_free(name);
}
@ -562,6 +603,19 @@ void config_parser_finish(server *srv, GList *ctx_stack) {
g_hash_table_destroy(ctx->action_blocks);
g_hash_table_iter_init(&iter, ctx->uservars);
while (g_hash_table_iter_next(&iter, &key, &value)) {
g_hash_table_iter_steal(&iter);
g_string_free(key, TRUE);
}
g_hash_table_destroy(ctx->uservars);
config_parser_context_free(srv, ctx, TRUE);
g_list_free(ctx_stack);
@ -586,9 +640,11 @@ config_parser_context_t *config_parser_context_new(server *srv, GList *ctx_stack
ctx->option_stack = ((config_parser_context_t*) ctx_stack->data)->option_stack;
ctx->action_blocks = ((config_parser_context_t*) ctx_stack->data)->action_blocks;
ctx->uservars = ((config_parser_context_t*) ctx_stack->data)->uservars;
}
else {
ctx->action_blocks = g_hash_table_new_full((GHashFunc) g_string_hash, (GEqualFunc) g_string_equal, NULL, NULL);
ctx->uservars = g_hash_table_new_full((GHashFunc) g_string_hash, (GEqualFunc) g_string_equal, NULL, NULL);
ctx->action_list_stack = g_queue_new();
ctx->option_stack = g_queue_new();
@ -633,7 +689,7 @@ gboolean config_parser_file(server *srv, GList *ctx_stack, const gchar *path) {
{
/* could not read file */
log_warning(srv, NULL, "could not read config file \"%s\". reason: \"%s\" (%d)", path, err->message, err->code);
config_parser_context_free(srv, ctx, TRUE);
config_parser_context_free(srv, ctx, FALSE);
g_error_free(err);
return FALSE;
}
@ -671,7 +727,7 @@ gboolean config_parser_shell(server *srv, GList *ctx_stack, const gchar *command
if (!g_spawn_command_line_sync(command, &_stdout, &_stderr, &status, &err))
{
log_warning(srv, NULL, "error launching shell command \"%s\": %s (%d)", command, err->message, err->code);
config_parser_context_free(srv, ctx, TRUE);
config_parser_context_free(srv, ctx, FALSE);
g_error_free(err);
return FALSE;
}

3
src/server.c
View File

@ -72,8 +72,7 @@ static connection* con_get(server *srv) {
if (srv->connections_active >= srv->connections->len) {
con = connection_new(srv);
con->idx = srv->connections_active++;
g_array_set_size(srv->connections, srv->connections->len + 10);
g_array_index(srv->connections, connection*, con->idx) = con;
g_array_append_val(srv->connections, con);
} else {
con = g_array_index(srv->connections, connection*, srv->connections_active++);
}