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Commit a4be3c8e authored by Bernie Innocenti's avatar Bernie Innocenti Committed by Luke Huang
Browse files

Export the list the resolver caches from res_cache 

To be used for dumps

Test: none :-)
Change-Id: Ia5236eb1be86ab87323ed1a85b56862777a5d3ee
parent 9f8d8b7b

res_cache.cpp

+11 −0
Original line number Diff line number Diff line
@@ -1643,6 +1643,17 @@ void resolv_delete_cache_for_net(unsigned netid) { 
    }

}



std::vector<unsigned> resolv_list_caches() {

    std::lock_guard guard(cache_mutex);

    struct resolv_cache_info* cache_info = res_cache_list.next;

    std::vector<unsigned> result;

    while (cache_info) {

        result.push_back(cache_info->netid);

        cache_info = cache_info->next;

    }

    return result;

}



static resolv_cache_info* create_cache_info() {

    return (struct resolv_cache_info*) calloc(sizeof(struct resolv_cache_info), 1);

}

resolv_cache.h

+4 −0
Original line number Diff line number Diff line
@@ -32,6 +32,8 @@ 


#include <stddef.h>



#include <vector>



struct __res_state;



/* sets the name server addresses to the provided res_state structure. The
@@ -39,6 +41,8 @@ struct __res_state; 
 * with the network to which the res_state structure is associated */

void _resolv_populate_res_for_net(struct __res_state* statp);



std::vector<unsigned> resolv_list_caches();



typedef enum {

    RESOLV_CACHE_UNSUPPORTED, /* the cache can't handle that kind of queries */

                              /* or the answer buffer is too small */