--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mash/rdconfig.c Sat Jul 12 21:59:19 2014 +0200
@@ -0,0 +1,368 @@
+/*****************************************************************************
+ * Copyright (C) 2014
+ *
+ * Michiel Broek <mbroek at mbse dot eu>
+ *
+ * This file is part of the mbsePi-apps
+ *
+ * This 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 2, or (at your option) any
+ * later version.
+ *
+ * mbsePi-apps 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 EC-65K; see the file COPYING. If not, write to the Free
+ * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *****************************************************************************/
+
+#include "mash.h"
+#include "xutil.h"
+
+
+bool debug = FALSE;
+static char *mypath;
+static char *k, *v;
+static int linecnt = 0;
+sys_config Config; /* System configuration */
+
+
+
+//static int getstr(char **);
+static int getint(char **);
+static int getw1(char **);
+//static int getuch(char **);
+//static int getfloat(char **);
+//static int getbyt(char **);
+//static int gethex(char **);
+
+#define XSTR(x) #x
+#define STR(x) XSTR(x)
+
+/*
+ * System configuration table
+ */
+key_list keytab[] = {
+ {(char *)"w1therm", getw1, (char **)&Config.w1therms},
+ {(char *)"lcd_cols", getint, (char **)&Config.lcd_cols},
+ {(char *)"lcd_rows", getint, (char **)&Config.lcd_rows},
+ {NULL, NULL, NULL}
+};
+
+
+
+void killconfig(void)
+{
+ w1_therm *tmp1, *old1;
+
+ if (Config.name)
+ free(Config.name);
+ Config.name = NULL;
+
+ for (tmp1 = Config.w1therms; tmp1; tmp1 = old1) {
+ old1 = tmp1->next;
+ if (tmp1->master)
+ free(tmp1->master);
+ if (tmp1->name)
+ free(tmp1->name);
+ if (tmp1->alias)
+ free(tmp1->alias);
+ free(tmp1);
+ }
+ Config.w1therms = NULL;
+ Config.my_port = 6554;
+
+ Config.lcd_cols = 16;
+ Config.lcd_rows = 2;
+}
+
+
+
+int wrconfig(char *config)
+{
+ int rc = 0;
+ FILE *fp;
+ w1_therm *tmp1;
+
+ if (getenv((char *)"USER") == NULL) {
+ mypath = xstrcpy((char *)"/root");
+ } else {
+ mypath = xstrcpy(getenv((char *)"HOME"));
+ }
+ mypath = xstrcat(mypath, (char *)"/mbsepi-apps/");
+ mypath = xstrcat(mypath, config);
+
+ if (debug)
+ fprintf(stdout, "Writing %s\n", mypath);
+
+ if ((fp = fopen(mypath, "w")) == NULL) {
+ syslog(LOG_NOTICE, "could not rewrite %s", mypath);
+ return 1;
+ }
+
+ fprintf(fp, "# Configuration file for thermferm %s\n", VERSION);
+ fprintf(fp, "\n");
+
+ fprintf(fp, "# LCD display\n");
+ fprintf(fp, "#\n");
+ fprintf(fp, "lcd_cols %d\n", Config.lcd_cols);
+ fprintf(fp, "lcd_rows %d\n", Config.lcd_rows);
+ fprintf(fp, "\n");
+
+ fprintf(fp, "# DS18B20 temperature sensors on the 1-wire bus.\n");
+ fprintf(fp, "#\n");
+ fprintf(fp, "# kwd master bus name alias\n");
+ for (tmp1 = Config.w1therms; tmp1; tmp1 = tmp1->next) {
+ fprintf(fp, "w1therm %s %d %s %s\n", tmp1->master, tmp1->bus, tmp1->name, tmp1->alias);
+ }
+ fprintf(fp, "\n");
+
+ fprintf(fp, "# End of generated configuration\n");
+ fclose(fp);
+ syslog(LOG_NOTICE, "Written %s rc=%d", mypath, rc);
+ free(mypath);
+ mypath = NULL;
+
+ return rc;
+}
+
+
+
+int rdconfig(char *config)
+{
+ char buf[256], *p;
+ FILE *fp;
+ int i, rc = 0;
+
+ killconfig();
+
+ syslog(LOG_NOTICE, "HOME='%s' USER='%s' LOGNAME='%s'", MBSE_SS(getenv((char *)"HOME")), MBSE_SS(getenv((char *)"USER")), MBSE_SS(getenv((char *)"LOGNAME")));
+
+ /*
+ * Search config file
+ */
+ if (getenv((char *)"USER") == NULL) {
+ mypath = xstrcpy((char *)"/root");
+ } else {
+ mypath = xstrcpy(getenv((char *)"HOME"));
+ }
+ mypath = xstrcat(mypath, (char *)"/mbsepi-apps/");
+ mypath = xstrcat(mypath, config);
+ if ((fp = fopen(mypath, "r")) == NULL) {
+ /*
+ * Not in the users home directory
+ */
+ free(mypath);
+ mypath = xstrcpy((char *)"/etc/mbsepi-apps/");
+ mypath = xstrcat(mypath, config);
+ if ((fp = fopen(mypath, "r")) == NULL) {
+ /*
+ * Try /usr/local/etc
+ */
+ free(mypath);
+ mypath = xstrcpy((char *)"/usr/local/etc/mbsepi-apps/");
+ mypath = xstrcat(mypath, config);
+ if ((fp = fopen(mypath, "r")) == NULL) {
+ syslog(LOG_NOTICE, "rdconfig: could find %s", config);
+ return 1;
+ }
+ }
+ }
+ syslog(LOG_NOTICE, "rdconfig: using %s", mypath);
+
+ linecnt = 0;
+ while (fgets(buf, sizeof(buf) -1, fp)) {
+ linecnt++;
+ if (*(p = buf + strlen(buf) -1) != '\n') {
+ syslog(LOG_NOTICE, "rdconfig: %s(%d): \"%s\" - line too long", mypath, linecnt, buf);
+ rc = 1;
+ break;
+ }
+ *p-- = '\0';
+ while ((p >= buf) && isspace(*p))
+ *p-- = '\0';
+ k = buf;
+ while (*k && isspace(*k))
+ k++;
+ p = k;
+ while (*p && !isspace(*p))
+ p++;
+ *p++='\0';
+ v = p;
+ while (*v && isspace(*v))
+ v++;
+
+ if ((*k == '\0') || (*k == '#')) {
+ continue;
+ }
+
+ for (i = 0; keytab[i].key; i++)
+ if (strcasecmp(k,keytab[i].key) == 0)
+ break;
+
+ if (keytab[i].key == NULL) {
+ syslog(LOG_NOTICE, "rdconfig: %s(%d): %s %s - unknown keyword", mypath, linecnt, MBSE_SS(k), MBSE_SS(v));
+ rc = 1;
+ break;
+ } else if ((keytab[i].prc(keytab[i].dest))) {
+ rc = 1;
+ break;
+ }
+
+ }
+ fclose(fp);
+
+ free(mypath);
+ mypath = NULL;
+
+ return rc;
+}
+
+
+/*
+static int getstr(char **dest)
+{
+ if (debug)
+ syslog(LOG_NOTICE, "rdconfig: getstr: %s(%d): %s %s", mypath, linecnt, MBSE_SS(k), MBSE_SS(v));
+
+ *dest = xstrcpy(v);
+ return 0;
+}
+*/
+
+
+static int getint(char **dest)
+{
+ if (debug)
+ syslog(LOG_NOTICE, "rdconfig: getint: %s(%d): %s %s", mypath, linecnt, MBSE_SS(k), MBSE_SS(v));
+
+ if (strspn(v,"0123456789") != strlen(v))
+ syslog(LOG_NOTICE, "rdconfig: %s(%d): %s %s - bad numeric", mypath, linecnt, MBSE_SS(k), MBSE_SS(v));
+ else
+ *((int*)dest)=atoi(v);
+ return 0;
+}
+
+
+
+static int getw1(char **dest)
+{
+ char *p, *q = NULL, *r = NULL;
+ w1_therm **tmpm;
+ int rc = 0, tmpp;
+
+ for (p = v; *p && !isspace(*p); p++);
+ if (*p)
+ *p++ = '\0';
+ while (*p && isspace(*p))
+ p++;
+ if (*p == '\0') {
+ syslog(LOG_NOTICE, "rdconfig: %s(%d): less then two tokens", mypath, linecnt);
+ return 1;
+ }
+
+ for (q = p; *q && !isspace(*q); q++);
+ if (*q && isspace(*q)) {
+ if (*q)
+ *q++ = '\0';
+ while (*q && isspace(*q))
+ q++;
+
+ for (r = q; *r && !isspace(*r); r++);
+ if (*r)
+ *r++ = '\0';
+ rc = sscanf(p, "%d", &tmpp);
+ if (rc != 1) {
+ syslog(LOG_NOTICE, "rdconfig: getw1: %s(%d): %s is not a integer value", mypath, linecnt, p);
+ return 1;
+ }
+ if (debug)
+ syslog(LOG_NOTICE, "rdconfig: getw1: %s(%d): %s %d %s %s", mypath, linecnt, v, tmpp, q, r);
+ }
+
+ for (tmpm = (w1_therm**)dest; *tmpm; tmpm=&((*tmpm)->next));
+ (*tmpm) = (w1_therm *) xmalloc(sizeof(w1_therm));
+ (*tmpm)->next = NULL;
+ (*tmpm)->master = xstrcpy(v);
+ (*tmpm)->bus = tmpp;
+ (*tmpm)->name = xstrcpy(q);
+ (*tmpm)->alias = xstrcpy(r);
+ (*tmpm)->present = 0;
+ (*tmpm)->lastval = 0;
+ (*tmpm)->update = 0;
+
+ return 0;
+}
+
+
+/*
+static int getuch(char **dest)
+{
+ if (debug)
+ syslog(LOG_NOTICE, "rdconfig: getuch: %s(%d): %s %s", mypath, linecnt, MBSE_SS(k), MBSE_SS(v));
+
+ if (isalnum(v[0])) {
+ *((unsigned char*)dest) = v[0];
+ } else {
+ syslog(LOG_NOTICE, "rdconfig: %s(%d): %s %s - bad character", mypath, linecnt, MBSE_SS(k), MBSE_SS(v));
+ }
+ return 0;
+}
+
+
+
+static int getfloat(char **dest)
+{
+ float val = 0.0;
+ int rc;
+
+ if (debug)
+ syslog(LOG_NOTICE, "rdconfig: getfloat: %s(%d): %s %s", mypath, linecnt, MBSE_SS(k), MBSE_SS(v));
+
+ rc = sscanf(v, "%f", &val);
+ if (rc != 1) {
+ syslog(LOG_NOTICE, "rdconfig: %s(%d): %s %s - bad float value", mypath, linecnt, MBSE_SS(k), MBSE_SS(v));
+ return 1;
+ }
+ *((float*)dest) = val;
+
+ return 0;
+}
+*/
+
+/*
+static int getbyt(char **dest)
+{
+ Log_Msg("[rdconfig] getbyt: %s(%d): %s %s", mypath, linecnt, k, v);
+ if (strspn(v,"0123456789") != strlen(v))
+ Log_Msg("[rdconfig] %s(%d): %s %s - bad numeric", mypath, linecnt, S(k), S(v));
+ else
+ *((Uint8*)dest)=atoi(v);
+ return 0;
+}
+*/
+
+
+/*
+static int gethex(char **dest)
+{
+ unsigned int val = 0;
+ int rc;
+
+ Log_Msg("[rdconfig] gethex: %s(%d): %s %s", mypath, linecnt, k, v);
+ rc = sscanf(v, "%08x", &val);
+ if (rc != 1) {
+ Log_Msg("[rdconfig] %s(%d): %s %s - bad hex value", mypath, linecnt, S(k), S(v));
+ return 1;
+ }
+ *((int*)dest) = val;
+
+ return 0;
+}
+*/
+
+