Module: kamailio Branch: master Commit: bdc05473eaf1dd5edc6b8aadb810a511413e0286 URL: https://github.com/kamailio/kamailio/commit/bdc05473eaf1dd5edc6b8aadb810a511...
Author: Savolainen Dmitri savolainen@erinaco.ru Committer: Savolainen Dmitri savolainen@erinaco.ru Date: 2015-06-08T20:30:53+03:00
Add symbols "#*+" to drouting tree
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Modified: modules/drouting/prefix_tree.c Modified: modules/drouting/prefix_tree.h
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Diff: https://github.com/kamailio/kamailio/commit/bdc05473eaf1dd5edc6b8aadb810a511... Patch: https://github.com/kamailio/kamailio/commit/bdc05473eaf1dd5edc6b8aadb810a511...
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diff --git a/modules/drouting/prefix_tree.c b/modules/drouting/prefix_tree.c index c2bdfc7..2229144 100644 --- a/modules/drouting/prefix_tree.c +++ b/modules/drouting/prefix_tree.c @@ -133,15 +133,28 @@ get_prefix( if(NULL == tmp) goto err_exit; local=*tmp; - if( !IS_DECIMAL_DIGIT(local) ) { + + if( IS_DECIMAL_DIGIT(local) ) { + idx = local -'0'; + } + else if (local == '*'){ + idx = 10; + } + else if (local == '#'){ + idx = 11; + } + else if (local == '+'){ + idx = 12; + } + else{ /* unknown character in the prefix string */ goto err_exit; + } if( tmp == (prefix->s+prefix->len-1) ) { /* last digit in the prefix string */ break; } - idx = local -'0'; if( NULL == ptree->ptnode[idx].next) { /* this is a leaf */ break; @@ -156,6 +169,12 @@ get_prefix( goto err_exit; /* is it a real node or an intermediate one */ idx = *tmp-'0'; + if (*tmp == '*') + idx = 10; + else if (*tmp == '#') + idx = 11; + else if (*tmp == '+') + idx = 12; if(NULL != ptree->ptnode[idx].rg) { /* real node; check the constraints on the routing info*/ if( NULL != (rt = internal_check_rt( &(ptree->ptnode[idx]), rgid))) @@ -206,34 +225,50 @@ add_prefix( while(tmp < (prefix->s+prefix->len)) { if(NULL == tmp) goto err_exit; - if( !IS_DECIMAL_DIGIT(*tmp) ) { + int insert_index = -1; + if( IS_DECIMAL_DIGIT(*tmp) ) { + /* unknown character in the prefix string */ + insert_index = *tmp - '0'; + } + else if (*tmp=='*'){ + insert_index = 10; + } + else if (*tmp=='#'){ + insert_index = 11; + } + else if (*tmp=='+'){ + insert_index = 12; + } + + else{ /* unknown character in the prefix string */ goto err_exit; } if( tmp == (prefix->s+prefix->len-1) ) { - /* last digit in the prefix string */ + /* last symbol in the prefix string */ + LM_DBG("adding info %p, %d at: " - "%p (%d)\n", r, rg, &(ptree->ptnode[*tmp-'0']), *tmp-'0'); - res = add_rt_info(&(ptree->ptnode[*tmp-'0']), r,rg); + "%p (%d)\n", r, rg, &(ptree->ptnode[insert_index]), insert_index); + res = add_rt_info(&(ptree->ptnode[insert_index]), r,rg); if(res < 0 ) goto err_exit; unode++; res = 1; goto ok_exit; } - /* process the current digit in the prefix */ - if(NULL == ptree->ptnode[*tmp - '0'].next) { + /* process the current symbol in the prefix */ + if(NULL == ptree->ptnode[insert_index].next) { /* allocate new node */ - INIT_PTREE_NODE(ptree, ptree->ptnode[*tmp - '0'].next); - inode+=10; + INIT_PTREE_NODE(ptree, ptree->ptnode[insert_index].next); + inode+=PTREE_CHILDREN; #if 0 printf("new tree node: %p (bp: %p)\n", - ptree->ptnode[*tmp - '0'].next, - ptree->ptnode[*tmp - '0'].next->bp + ptree->ptnode[insert_index].next, + ptree->ptnode[insert_index].next->bp ); #endif } - ptree = ptree->ptnode[*tmp-'0'].next; + ptree = ptree->ptnode[insert_index].next; tmp++; }
diff --git a/modules/drouting/prefix_tree.h b/modules/drouting/prefix_tree.h index ff90417..4ebc8f7 100644 --- a/modules/drouting/prefix_tree.h +++ b/modules/drouting/prefix_tree.h @@ -34,7 +34,7 @@ #include "../../ip_addr.h" #include "dr_time.h"
-#define PTREE_CHILDREN 10 +#define PTREE_CHILDREN 13 //decimal digits, '*', '#', '+' #define IS_DECIMAL_DIGIT(d) \ (((d)>='0') && ((d)<= '9'))
-
Savolainen Dmitri