/**
* Stores the routing data rd in config_file
*
* @param rd Pointer to the routing tree which shall be saved to file
*
* @return 0 means ok, -1 means an error occurred
*/
int save_config(struct route_data_t * rd) {
FILE * outfile;
int i,j;
if(backup_config() < 0){
return -1;
}
if ((outfile = fopen(config_file, "w")) == NULL) {
LM_ERR("Could not open config file %s\n", config_file);
return -1;
}
i = 0;
if (rd->carrier_num>=1) {
for (j=0; j< rd->carriers[i]->domain_num; j++) {
fprintf(outfile, "domain %.*s {\n", rd->carriers[i]->domains[j]->name->len, rd->carriers[i]->domains[j]->name->s);
if (save_route_data_recursor(rd->carriers[i]->domains[j]->tree, outfile) < 0) {
goto errout;
}
fprintf(outfile, "}\n\n");
}
}
fclose(outfile);
return 0;
errout:
fclose(outfile);
LM_ERR("Cannot save config file %s\n", config_file);
return -1;
}
/**
* Does the work for save_config, traverses the routing data tree
* and writes each rule to file.
*
* @param rt the current route tree node
* @param outfile the filehandle to which the config data is written
*
* @return 0 on success, -1 on failure
*/
static int save_route_data_recursor(struct route_tree_item * rt, FILE * outfile) {
int i;
struct route_rule * rr;
struct route_rule_p_list * rl;
if (rt->rule_list) {
rr = rt->rule_list;
fprintf(outfile, "\tprefix %s {\n", rr->prefix.len ? rr->prefix.s : "NULL");
fprintf(outfile, "\t\tmax_targets = %i\n\n", rt->max_targets);
while (rr) {
fprintf(outfile, "\t\ttarget %s {\n", rr->host.len ? rr->host.s : "NULL");
fprintf(outfile, "\t\t\tprob = %f\n", rr->orig_prob);
fprintf(outfile, "\t\t\thash_index = %i\n", rr->hash_index);
fprintf(outfile, "\t\t\tstatus = %i\n", rr->status);
if (rr->strip > 0) {
fprintf(outfile, "\t\t\tstrip = \"%i\"\n", rr->strip);
}
if (rr->local_prefix.len) {
fprintf(outfile, "\t\t\trewrite_prefix = \"%.*s\"\n", rr->local_prefix.len,
rr->local_prefix.s);
}
if (rr->local_suffix.len) {
fprintf(outfile, "\t\t\trewrite_suffix: \"%.*s\"\n", rr->local_suffix.len,
rr->local_suffix.s);
}
if (rr->backup) {
fprintf(outfile, "\t\t\tbackup = %i\n", rr->backup->hash_index);
}
if (rr->backed_up) {
rl = rr->backed_up;
fprintf(outfile, "\t\t\tbacked_up = {");
i=0;
while (rl) {
if (i>0) {
fprintf(outfile, ", ");
}
fprintf(outfile, "%i", rl->hash_index);
rl = rl->next;
i++;
}
fprintf(outfile, "}\n");
}
if (rr->comment.len) {
fprintf(outfile, "\t\t\tcomment = \"%.*s\"\n", rr->comment.len,
rr->comment.s);
}
fprintf(outfile, "\t\t}\n");
rr = rr->next;
}
fprintf(outfile, "\t}\n");
}
for (i = 0; i < 10; i++) {
if (rt->nodes[i]) {
if (save_route_data_recursor(rt->nodes[i], outfile) < 0) {
return -1;
}
}
}
return 0;
}
/**
* Does the work for save_config, traverses the routing data tree
* and writes each rule to file.
*
* @param node the current prefix tree node
* @param outfile the filehandle to which the config data is written
*
* @return 0 on success, -1 on failure
*/
static int save_route_data_recursor(struct dtrie_node_t * node, FILE * outfile) {
int i;
struct route_flags *rf;
struct route_rule * rr;
struct route_rule_p_list * rl;
str *tmp_str;
str null_str = str_init("NULL");
/* no support for flag lists in route config */
rf = (struct route_flags *)(node->data);
if (rf && rf->rule_list) {
rr = rf->rule_list;
tmp_str = (rr->prefix.len ? &rr->prefix : &null_str);
fprintf(outfile, "\tprefix %.*s {\n", tmp_str->len, tmp_str->s);
fprintf(outfile, "\t\tmax_targets = %i\n\n", rf->max_targets);
while (rr) {
tmp_str = (rr->host.len ? &rr->host : &null_str);
fprintf(outfile, "\t\ttarget %.*s {\n", tmp_str->len, tmp_str->s);
fprintf(outfile, "\t\t\tprob = %f\n", rr->orig_prob);
fprintf(outfile, "\t\t\thash_index = %i\n", rr->hash_index);
fprintf(outfile, "\t\t\tstatus = %i\n", rr->status);
if (rr->strip > 0) {
fprintf(outfile, "\t\t\tstrip = \"%i\"\n", rr->strip);
}
if (rr->local_prefix.len) {
fprintf(outfile, "\t\t\trewrite_prefix = \"%.*s\"\n", rr->local_prefix.len, rr->local_prefix.s);
}
if (rr->local_suffix.len) {
fprintf(outfile, "\t\t\trewrite_suffix: \"%.*s\"\n", rr->local_suffix.len, rr->local_suffix.s);
}
if (rr->backup) {
fprintf(outfile, "\t\t\tbackup = %i\n", rr->backup->hash_index);
}
if (rr->backed_up) {
rl = rr->backed_up;
fprintf(outfile, "\t\t\tbacked_up = {");
i=0;
while (rl) {
if (i>0) {
fprintf(outfile, ", ");
}
fprintf(outfile, "%i", rl->hash_index);
rl = rl->next;
i++;
}
fprintf(outfile, "}\n");
}
if (rr->comment.len) {
fprintf(outfile, "\t\t\tcomment = \"%.*s\"\n", rr->comment.len, rr->comment.s);
}
fprintf(outfile, "\t\t}\n");
rr = rr->next;
}
fprintf(outfile, "\t}\n");
}
for (i = 0; i < cr_match_mode; i++) {
if (node->child[i]) {
if (save_route_data_recursor(node->child[i], outfile) < 0) {
return -1;
}
}
}
return 0;
}
