ceph/src/common/address_helper.cc

   1 /*
   2  * address_helper.cc
   3  *
   4  *  Created on: Oct 27, 2013
   5  *      Author: matt
   6  */
   7
   8 #include <netdb.h>
   9
  10 #include "common/address_helper.h"
  11 #include "boost/regex.hpp"
  12
  13 using namespace std;
  14
  15 // decode strings like "tcp://<host>:<port>"
  16 int entity_addr_from_url(entity_addr_t *addr /* out */, const char *url)
  17 {
  18         using namespace boost;
  19         using std::endl;
  20
  21         regex expr("(tcp|rdma)://([^:]*):([\\d]+)");
  22         cmatch m;
  23
  24         if (regex_match(url, m, expr)) {
  25                 string host(m[2].first, m[2].second);
  26                 string port(m[3].first, m[3].second);
  27                 addrinfo hints;
  28                 memset(&hints, 0, sizeof(hints));
  29                 hints.ai_family = PF_UNSPEC;
  30                 addrinfo *res;
  31                 int error = getaddrinfo(host.c_str(), NULL, &hints, &res);
  32                 if (! error) {
  33                         addr->set_sockaddr((sockaddr*)res->ai_addr);
  34                         addr->set_port(std::atoi(port.c_str()));
  35                         freeaddrinfo(res);
  36                         return 0;
  37                 }
  38         }
  39
  40         return 1;
  41 }
  42