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Added Utils::resolve_ip. IP pdu now uses this function to resolve ips.

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This commit is contained in:
Matias F
2011-08-11 10:40:06 -03:00
parent f9445b05b6
commit 424d9c6476
3 changed files with 28 additions and 13 deletions
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15
src/utils.cpp
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@@ -1,5 +1,9 @@
#include <stdexcept>
#include <sstream>
#include <cassert>
#ifndef WIN32
#include <netdb.h>
#endif
#include "utils.h"
using namespace std;
@@ -22,13 +26,13 @@ uint32_t Tins::Utils::ip_to_int(const string &ip) {
}
if(bytes_found < 4 || (i < ip.size() && bytes_found == 4))
throw std::runtime_error("Invalid ip address");
return ntohl(result);
return net_to_host_l(result);
}
string Tins::Utils::ip_to_string(uint32_t ip) {
ostringstream oss;
int mask(24);
ip = ntohl(ip);
ip = net_to_host_l(ip);
while(mask >=0) {
oss << ((ip >> mask) & 0xff);
if(mask)
@@ -37,3 +41,10 @@ string Tins::Utils::ip_to_string(uint32_t ip) {
}
return oss.str();
}
uint32_t Tins::Utils::resolve_ip(const string &to_resolve) {
struct hostent *data = gethostbyname(to_resolve.c_str());
if(!data)
return 0;
return ((struct in_addr**)data->h_addr_list)[0]->s_addr;
}