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80 lines
3.3 KiB
C
80 lines
3.3 KiB
C
/*
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* This file is part of the meteologger project.
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* Copyright 2026 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <usefull_macros.h>
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#include "parseargs.h"
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#include "server.h"
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#define DEFAULT_PID "/tmp/meteologger.pid"
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#define MIN_REQ_INTERVAL (0.2)
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#define MAX_REQ_INTERVAL (900.)
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#define MIN_NET_TMOUT (0.1)
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#define MAX_NET_TMOUT (30.)
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static int help;
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static glob_pars G = {
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.pidfile = DEFAULT_PID,
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.req_interval = 0.5,
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.net_timeout = 1.,
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};
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static sl_option_t opts[] = {
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{"help", NO_ARGS, NULL, 'h', arg_int, APTR(&help), "show this help"},
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{"node", NEED_ARG, NULL, 'n', arg_string, APTR(&G.node), "node to connect (host:port or UNIX socket name)"},
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{"logfile", NEED_ARG, NULL, 'l', arg_string, APTR(&G.logfile), "save logs to file"},
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{"pidfile", NEED_ARG, NULL, 'p', arg_string, APTR(&G.pidfile), "pidfile name (default: " DEFAULT_PID ")"},
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{"isunix", NO_ARGS, NULL, 'u', arg_string, APTR(&G.isunix), "use UNIX socket instead of network"},
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{"verbose", NO_ARGS, NULL, 'v', arg_none, APTR(&G.verb), "verbose level (each -v increases)"},
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{"output", NEED_ARG, NULL, 'o', arg_string, APTR(&G.bddir), "output directory to store database"},
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{"interval",NEED_ARG, NULL, 'i', arg_double, APTR(&G.req_interval), "weather request interval, s (min: 0.2, max: 900)"},
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{"timeout", NEED_ARG, NULL, 't', arg_double, APTR(&G.net_timeout),"timeout for server's answer, s (min: 0.1, max: 30)"},
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end_option
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};
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glob_pars *parseargs(int *argc, char ***argv){
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sl_parseargs(argc, argv, opts);
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if(help){
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sl_showhelp(-1, opts);
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return NULL;
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}
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if(!G.node) ERRX("Point node to correct");
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if(!G.bddir) ERRX("Need to know path to save DB");
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if(!checkDBpath(G.bddir)) ERRX("Can't create logs in %s", G.bddir);
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// remove trailing '/'
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int eol = strlen(G.bddir) - 1;
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DBG("eol=%d", eol);
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while(eol > 0){ // don't remove leading slash in case of "/"
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DBG("before: %s", G.bddir);
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if(G.bddir[eol] == '/') G.bddir[eol] = 0;
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else break;
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DBG("after: %s", G.bddir);
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--eol;
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}
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if(G.req_interval < MIN_REQ_INTERVAL || G.req_interval > MAX_REQ_INTERVAL)
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ERRX("Wrong time interval %g, should be in [%g, %g]", G.req_interval, MIN_REQ_INTERVAL, MAX_REQ_INTERVAL);
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if(G.net_timeout < MIN_NET_TMOUT || G.net_timeout > MAX_NET_TMOUT)
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ERRX("Wrong network timeout %g, should be in [%g, %g]", G.net_timeout, MIN_NET_TMOUT, MAX_NET_TMOUT);
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if(G.logfile){
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if(*G.logfile != '/') ERRX("Logging file path should be absolute!");
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}
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return &G;
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}
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