started weather_logger

2026-06-19 10:26:25 +03:00 · 2026-05-20 17:20:13 +03:00
parent 7ca5498092
commit bff6e06684
26 changed files with 793 additions and 1 deletions
--- a/Daemons/weather_logger/parseargs.c
+++ b/Daemons/weather_logger/parseargs.c
@@ -0,0 +1,82 @@
+/*
+ * This file is part of the meteologger project.
+ * Copyright 2026 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <string.h>
+#include <usefull_macros.h>
+
+#include "parseargs.h"
+#include "server.h"
+
+#define DEFAULT_PID         "/tmp/meteologger.pid"
+#define MIN_REQ_INTERVAL    (0.2)
+#define MAX_REQ_INTERVAL    (900.)
+#define MIN_NET_TMOUT       (0.1)
+#define MAX_NET_TMOUT       (30.)
+
+static int help;
+
+static glob_pars G = {
+    .pidfile = DEFAULT_PID,
+    .req_interval = 0.5,
+    .net_timeout = 1.,
+};
+
+static sl_option_t opts[] = {
+    {"help",    NO_ARGS,    NULL,   'h',    arg_int,    APTR(&help),        "show this help"},
+    {"node",    NEED_ARG,   NULL,   'n',    arg_string, APTR(&G.node),      "node to connect (host:port or UNIX socket name)"},
+    {"logfile", NEED_ARG,   NULL,   'l',    arg_string, APTR(&G.logfile),   "save logs to file"},
+    {"pidfile", NEED_ARG,   NULL,   'p',    arg_string, APTR(&G.pidfile),   "pidfile name (default: " DEFAULT_PID ")"},
+    {"isunix",  NO_ARGS,    NULL,   'u',    arg_string, APTR(&G.isunix),    "use UNIX socket instead of network"},
+    {"verbose", NO_ARGS,    NULL,   'v',    arg_none,   APTR(&G.verb),      "verbose level (each -v increases)"},
+    {"output",  NEED_ARG,   NULL,   'o',    arg_string, APTR(&G.bddir),     "output directory to store database"},
+    {"interval",NEED_ARG,   NULL,   'i',    arg_double, APTR(&G.req_interval), "weather request interval, s (min: 0.2, max: 900)"},
+    {"timeout", NEED_ARG,   NULL,   't',    arg_double, APTR(&G.net_timeout),"timeout for server's answer, s (min: 0.1, max: 30)"},
+    end_option
+};
+
+glob_pars *parseargs(int *argc, char ***argv){
+    sl_parseargs(argc, argv, opts);
+    if(help){
+        sl_showhelp(-1, opts);
+        return NULL;
+    }
+    if(!G.node) ERRX("Point node to correct");
+    if(!G.bddir) ERRX("Need to know path to save DB");
+    if(!checkDBpath(G.bddir)) ERRX("Can't create logs in %s", G.bddir);
+    // remove trailing '/'
+    int eol = strlen(G.bddir) - 1;
+    DBG("eol=%d", eol);
+    while(eol > 0){
+        DBG("before: %s", G.bddir);
+        if(G.bddir[eol] == '/') G.bddir[eol] = 0;
+        else break;
+        DBG("after: %s", G.bddir);
+        --eol;
+    }
+    if(G.req_interval < MIN_REQ_INTERVAL || G.req_interval > MAX_REQ_INTERVAL)
+        ERRX("Wrong time interval %g, should be in [%g, %g]", G.req_interval, MIN_REQ_INTERVAL, MAX_REQ_INTERVAL);
+    if(G.net_timeout < MIN_NET_TMOUT || G.net_timeout > MAX_NET_TMOUT)
+        ERRX("Wrong network timeout %g, should be in [%g, %g]", G.net_timeout, MIN_NET_TMOUT, MAX_NET_TMOUT);
+    if(G.logfile){
+        sl_loglevel_e lvl = LOGLEVEL_ERR + G.verb;
+        if(lvl >= LOGLEVEL_AMOUNT) lvl = LOGLEVEL_AMOUNT - 1;
+        DBG("Loglevel: %d", lvl);
+        if(!OPENLOG(G.logfile, lvl, 1)) ERRX("Can't open log file %s", G.logfile);
+    }
+    return &G;
+}