gearman/libgearman/parse.cc

/*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 * 
 *  Gearmand client and server library.
 *
 *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
 *  Copyright (C) 2008 Brian Aker, Eric Day
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are
 *  met:
 *
 *      * Redistributions of source code must retain the above copyright
 *  notice, this list of conditions and the following disclaimer.
 *
 *      * Redistributions in binary form must reproduce the above
 *  copyright notice, this list of conditions and the following disclaimer
 *  in the documentation and/or other materials provided with the
 *  distribution.
 *
 *      * The names of its contributors may not be used to endorse or
 *  promote products derived from this software without specific prior
 *  written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 */

#include "gear_config.h"
#include <libgearman/common.h>
#include <cstdlib>

gearman_return_t gearman_parse_servers(const char *servers,
                                       gearman_parse_server_fn *function,
                                       void *context)
{
  const char *ptr= servers;
  char host[GEARMAN_NI_MAXHOST];
  char port[GEARMAN_NI_MAXSERV];

  if (ptr == NULL)
  {
    return (*function)(NULL, 0, context);
  }

  while (1)
  {
    size_t x= 0;

    while (*ptr != 0 && *ptr != ',' && *ptr != ':')
    {
      if (x < (NI_MAXHOST - 1))
      {
        host[x++]= *ptr;
      }

      ptr++;
    }

    host[x]= 0;

    if (*ptr == ':')
    {
      ptr++;
      x= 0;

      while (*ptr != 0 && *ptr != ',')
      {
        if (x < (NI_MAXSERV - 1))
          port[x++]= *ptr;

        ptr++;
      }

      port[x]= 0;
    }
    else
      port[0]= 0;

    gearman_return_t ret= (*function)(host, static_cast<in_port_t>(atoi(port)), context);
    if (gearman_failed(ret))
    {
      return ret;
    }

    if (*ptr == 0)
      break;

    ptr++;
  }

  return GEARMAN_SUCCESS;
}