add serialsock

2026-03-20 08:41:02 +03:00 · 2022-01-19 17:31:04 +03:00
parent 786ed54d03
commit 9192ee09a3
78 changed files with 5244 additions and 0 deletions
--- a/Socket_CAN/cmdlnopts.c
+++ b/Socket_CAN/cmdlnopts.c
@@ -0,0 +1,89 @@
+/*
+ * This file is part of the SocketCAN project.
+ * Copyright 2021 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 <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <strings.h>
+#include <usefull_macros.h>
+
+#include "cmdlnopts.h"
+
+
+/*
+ * here are global parameters initialisation
+ */
+static int help;
+glob_pars  G;
+
+//            DEFAULTS
+// default global parameters
+static glob_pars const Gdefault = {
+    .pidfile = DEFAULT_PIDFILE,
+    .port = DEFAULT_PORT,
+    .cert = "cert.pem",
+    .key = "cert.key",
+};
+
+/*
+ * Define command line options by filling structure:
+ *  name        has_arg     flag    val     type        argptr              help
+*/
+static myoption cmdlnopts[] = {
+// common options
+    {"help",    NO_ARGS,    NULL,   'h',    arg_int,    APTR(&help),        _("show this help")},
+    {"logfile", NEED_ARG,   NULL,   'l',    arg_string, APTR(&G.logfile),   _("file to save logs")},
+    {"pidfile", NEED_ARG,   NULL,   'P',    arg_string, APTR(&G.pidfile),   _("pidfile (default: " DEFAULT_PIDFILE ")")},
+    {"certificate",NEED_ARG,NULL,   'c',    arg_string, APTR(&G.cert),      _("path to SSL sertificate (default: cert.pem)")},
+    {"key",     NEED_ARG,   NULL,   'k',    arg_string, APTR(&G.key),       _("path to SSL key (default: cert.key)")},
+    {"ca",      NEED_ARG,   NULL,   'a',    arg_string, APTR(&G.ca),        _("path to SSL ca (default: ca.pem)")},
+    {"port",    NEED_ARG,   NULL,   'p',    arg_string, APTR(&G.port),      _("port to open (default: " DEFAULT_PORT ")")},
+    {"verbose", NO_ARGS,    NULL,   'v',    arg_none,   APTR(&G.verbose),   _("increase log verbose level (default: LOG_WARN)")},
+#ifdef SERVER
+#endif
+#ifdef CLIENT
+    {"server",  NEED_ARG,   NULL,   'i',    arg_string, APTR(&G.serverhost),  _("server IP address")},
+#endif
+   end_option
+};
+
+/**
+ * Parse command line options and return dynamically allocated structure
+ *      to global parameters
+ * @param argc - copy of argc from main
+ * @param argv - copy of argv from main
+ */
+void parse_args(int argc, char **argv){
+    int i;
+    void *ptr;
+    ptr = memcpy(&G, &Gdefault, sizeof(G)); assert(ptr);
+    size_t hlen = 1024;
+    char helpstring[1024], *hptr = helpstring;
+    snprintf(hptr, hlen, "Usage: %%s [args]\n\n\tWhere args are:\n");
+    // format of help: "Usage: progname [args]\n"
+    change_helpstring(helpstring);
+    // parse arguments
+    parseargs(&argc, &argv, cmdlnopts);
+    if(help) showhelp(-1, cmdlnopts);
+    if(argc > 0){
+        red("Ignored options:\n");
+        for (i = 0; i < argc; i++)
+            printf("\t%s\n", argv[i]);
+    }
+}
+