gs_kill_server.c

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/* $Id: gs_kill_server.c,v 1.25 2008/09/25 15:47:19 seymour Exp $ */
/* $UTK_Copyright: $ */

#include "utility.h"

#include <stdlib.h>
#include <string.h>

#include "comm_data.h"
#include "comm_basics.h"
#include "comm_encode.h"
#include "general.h"
#include "gs_tools.h"

#define DIE_BAD_USAGE() \
  do { \
    fprintf(stderr, "Usage: GS_killserver <agent name> <server name>\n"); \
    fprintf(stderr, "Usage: GS_killserver -c <agent name> <server component id>\n"); \
    exit(EXIT_FAILURE); \
  } while(0)

int
main(int argc, char **argv)
{
  int agentport, by_cid;
  char *agent_name, *server_name;

  if((argc < 3) || (argc > 4))
    DIE_BAD_USAGE();

  agentport = getenv_int("GRIDSOLVE_AGENT_PORT", GRIDSOLVE_AGENT_PORT_DEFAULT);

  if(!strcmp(argv[1], "-c"))
    by_cid = 1;
  else
    by_cid = 0;

  if(argc == 3) {
    if(by_cid)
      DIE_BAD_USAGE();
    else {
      agent_name = argv[1];
      server_name = argv[2];
    }
  }
  else {
    if(by_cid) {
      agent_name = argv[2];
      server_name = (char *)malloc(strlen(argv[3]) + 2);
      if(!server_name) {
        fprintf(stderr, "failed to malloc memory\n");
        exit(EXIT_FAILURE);
      }
      sprintf(server_name, "-c%s", argv[3]);
    }
    else
      DIE_BAD_USAGE();
  }

  if(gs_kill_server(agent_name, agentport, server_name) < 0) {
    fprintf(stderr, "Failed to kill server %s\n", argv[3]);
    exit(EXIT_FAILURE);
  }

  exit(EXIT_SUCCESS);
}