git.m6w6.name Git - m6w6/libmemcached/blob - libmemcached/parse.c

   1 /*
   2   I debated about putting this in the client library since it does an
   3   action I don't really believe belongs in the library.
   4
   5   Frankly its too damn useful not to be here though.
   6 */
   7
   8 #include "common.h"
   9
  10 memcached_server_st *memcached_servers_parse(const char *server_strings)
  11 {
  12   char *string;
  13   uint32_t port;
  14   uint32_t weight;
  15   const char *begin_ptr;
  16   const char *end_ptr;
  17   memcached_server_st *servers= NULL;
  18   memcached_return_t rc;
  19
  20   WATCHPOINT_ASSERT(server_strings);
  21
  22   end_ptr= server_strings + strlen(server_strings);
  23
  24   for (begin_ptr= server_strings, string= index(server_strings, ',');
  25        begin_ptr != end_ptr;
  26        string= index(begin_ptr, ','))
  27   {
  28     char buffer[HUGE_STRING_LEN];
  29     char *ptr, *ptr2;
  30     port= 0;
  31     weight= 0;
  32
  33     if (string)
  34     {
  35       memcpy(buffer, begin_ptr, (size_t) (string - begin_ptr));
  36       buffer[(unsigned int)(string - begin_ptr)]= 0;
  37       begin_ptr= string+1;
  38     }
  39     else
  40     {
  41       size_t length= strlen(begin_ptr);
  42       memcpy(buffer, begin_ptr, length);
  43       buffer[length]= 0;
  44       begin_ptr= end_ptr;
  45     }
  46
  47     ptr= index(buffer, ':');
  48
  49     if (ptr)
  50     {
  51       ptr[0]= 0;
  52
  53       ptr++;
  54
  55       port= (uint32_t) strtoul(ptr, (char **)NULL, 10);
  56
  57       ptr2= index(ptr, ' ');
  58       if (! ptr2)
  59         ptr2= index(ptr, ':');
  60       if (ptr2)
  61       {
  62         ptr2++;
  63         weight = (uint32_t) strtoul(ptr2, (char **)NULL, 10);
  64       }
  65     }
  66
  67     servers= memcached_server_list_append_with_weight(servers, buffer, port, weight, &rc);
  68
  69     if (isspace(*begin_ptr))
  70       begin_ptr++;
  71   }
  72
  73   return servers;
  74 }