summaryrefslogtreecommitdiff
path: root/storage/ndb/src/cw/cpcd/main.cpp
blob: 4737a7c7cdee241a9a9d56f3cc7a3a310e650dd2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
/* Copyright (C) 2003 MySQL AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA */

#include <ndb_global.h>	/* Needed for mkdir(2) */
#include <my_sys.h>
#include <my_getopt.h>
#include <mysql_version.h>
#include <ndb_version.h>

#include "CPCD.hpp"
#include "APIService.hpp"
#include <NdbMain.h>
#include <NdbSleep.h>
#include <BaseString.hpp>
#include <logger/Logger.hpp>
#include <logger/FileLogHandler.hpp>
#include <logger/SysLogHandler.hpp>

#include "common.hpp"

static const char *work_dir = CPCD_DEFAULT_WORK_DIR;
static int unsigned port;
static int use_syslog;
static const char *logfile = NULL;
static const char *user = 0;

static struct my_option my_long_options[] =
{
  { "work-dir", 'w', "Work directory",
    &work_dir, &work_dir,  0,
    GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
  { "port", 'p', "TCP port to listen on",
    &port, &port, 0,
    GET_INT, REQUIRED_ARG, CPCD_DEFAULT_TCP_PORT, 0, 0, 0, 0, 0 }, 
  { "syslog", 'S', "Log events to syslog",
    &use_syslog, &use_syslog, 0,
    GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0 },
  { "logfile", 'L', "File to log events to",
    &logfile, &logfile, 0,
    GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
  { "debug", 'D', "Enable debug mode",
    &debug, &debug, 0,
    GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0 },
  { "user", 'u', "Run as user",
    &user, &user, 0,
    GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0 },
  { 0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
};

static my_bool
get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
	       char *argument)
{
  return 0;
}

static CPCD * g_cpcd = 0;
#if 0
extern "C" static void sig_child(int signo, siginfo_t*, void*);
#endif

const char *progname = "ndb_cpcd";

int main(int argc, char** argv){
  const char *load_default_groups[]= { "ndb_cpcd",0 };
  MY_INIT(argv[0]);

  load_defaults("ndb_cpcd",load_default_groups,&argc,&argv);
  if (handle_options(&argc, &argv, my_long_options, get_one_option)) {
    print_defaults(MYSQL_CONFIG_NAME,load_default_groups);
    puts("");
    my_print_help(my_long_options);
    my_print_variables(my_long_options);
    exit(1);
  }

  logger.setCategory(progname);
  logger.enable(Logger::LL_ALL);

  if(debug)
    logger.createConsoleHandler();

  if(user && runas(user) != 0){
    logger.critical("Unable to change user: %s", user);
    _exit(1);
  }

  if(logfile != NULL){
    BaseString tmp;
    if(logfile[0] != '/')
      tmp.append(work_dir); 
    tmp.append(logfile);
    logger.addHandler(new FileLogHandler(tmp.c_str()));
  }
  
  if(use_syslog)
    logger.addHandler(new SysLogHandler());

  logger.info("Starting");

  CPCD cpcd;
  g_cpcd = &cpcd;
  
  /* XXX This will probably not work on !unix */
  int err = mkdir(work_dir, S_IRWXU | S_IRGRP | S_IROTH);
  if(err != 0) {
    switch(errno) {
    case EEXIST:
      break;
    default:
      fprintf(stderr, "Cannot mkdir %s: %s\n", work_dir, strerror(errno));
      exit(1);
    }
  }

  if(strlen(work_dir) > 0){
    logger.debug("Changing dir to '%s'", work_dir);
    if((err = chdir(work_dir)) != 0){
      fprintf(stderr, "Cannot chdir %s: %s\n", work_dir, strerror(errno));
      exit(1);
    }
  }

  cpcd.loadProcessList();
  
  SocketServer * ss = new SocketServer();
  CPCDAPIService * serv = new CPCDAPIService(cpcd);
  unsigned short real_port= port; // correct type
  if(!ss->setup(serv, &real_port)){
    logger.critical("Cannot setup server: %s", strerror(errno));
    sleep(1);
    delete ss;
    delete serv;
    return 1;
  }

  ss->startServer();

  {  
    signal(SIGPIPE, SIG_IGN);
    signal(SIGCHLD, SIG_IGN);
#if 0
    struct sigaction act;
    act.sa_handler = 0;
    act.sa_sigaction = sig_child;
    sigemptyset(&act.sa_mask);
    act.sa_flags = SA_SIGINFO;
    sigaction(SIGCHLD, &act, 0);
#endif
  }
  
  logger.debug("Start completed");
  while(true) NdbSleep_MilliSleep(1000);
  
  delete ss;
  return 0;
}

#if 0
extern "C" 
void 
sig_child(int signo, siginfo_t* info, void*){
  printf("signo: %d si_signo: %d si_errno: %d si_code: %d si_pid: %d\n",
	 signo, 
	 info->si_signo,
	 info->si_errno,
	 info->si_code,
	 info->si_pid);
  
}
#endif