--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/brewco/rdsession.c Sat Nov 28 20:15:38 2015 +0100
@@ -0,0 +1,371 @@
+/*****************************************************************************
+ * Copyright (C) 2015
+ *
+ * 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 ThermFerm; see the file COPYING. If not, write to the Free
+ * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *****************************************************************************/
+
+#include "brewco.h"
+#include "rdsession.h"
+#include "futil.h"
+#include "xutil.h"
+
+extern int debug;
+
+
+
+#define MY_ENCODING "utf-8"
+
+
+int do_wrsession(brew_session *brew);
+int do_wrsession(brew_session *brew)
+{
+ int rc = 0;
+ FILE *fp;
+ char *mypath = NULL;
+ xmlTextWriterPtr writer;
+ xmlBufferPtr buf;
+
+ /*
+ * Create a new XML buffer, to which the XML document will be written
+ */
+ if ((buf = xmlBufferCreate()) == NULL) {
+ syslog(LOG_NOTICE, "wrsession: error creating the xml buffer");
+ return 1;
+ }
+
+ /*
+ * Create a new XmlWriter for memory, with no compression.
+ */
+ if ((writer = xmlNewTextWriterMemory(buf, 0)) == NULL) {
+ syslog(LOG_NOTICE, "wrsession: error creating the xml writer");
+ return 1;
+ }
+
+ /*
+ * Use indentation instead of one long line
+ */
+ if ((rc = xmlTextWriterSetIndent(writer, 2)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error setting Indent");
+ return 1;
+ }
+
+ /*
+ * Start the document with the xml default for the version,
+ * encoding ISO 8859-1 and the default for the standalone
+ * declaration.
+ */
+ if ((rc = xmlTextWriterStartDocument(writer, NULL, MY_ENCODING, NULL)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterStartDocument");
+ return 1;
+ }
+
+ /*
+ * Start an element named "BREWCO". Since thist is the first
+ * element, this will be the root element of the document.
+ */
+ if ((rc = xmlTextWriterStartElement(writer, BAD_CAST "BREWCO_BREW")) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterStartElement");
+ return 1;
+ }
+
+ /*
+ * Add an attribute with name "VERSION" and value "1" to BRWCO.
+ */
+ if ((rc = xmlTextWriterWriteElement(writer, BAD_CAST "VERSION", BAD_CAST "1")) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "UUID_RECIPE", "%s", brew->uuid_recipe)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteFormatElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "UUID_UNIT", "%s", brew->uuid_unit)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteFormatElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "PREMASH", "%d", brew->premash)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "MASHSTEP", "%d", brew->mashstep)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "MASHSTATE", "%d", brew->mashstate)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "RESTTIME", "%d", brew->resttime)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "IODINE", "%d", brew->iodine)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "MASHREMOVE", "%d", brew->mashremove)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "BOILHEATING", "%d", brew->boilheating)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "BOILING", "%d", brew->boiling)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "BOILTIMER", "%d", brew->boiltimer)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "COOLING", "%d", brew->cooling)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "WHIRLPOOL", "%d", brew->whirlpool)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "CLEANUP", "%d", brew->cleanup)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "STARTTIME", "%d", (int)brew->starttime)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+ if ((rc = xmlTextWriterWriteFormatElement(writer, BAD_CAST "ENDTIME", "%d", (int)brew->endtime)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterWriteElement");
+ return 1;
+ }
+
+ /*
+ * All done, close any open elements
+ */
+ if ((rc = xmlTextWriterEndDocument(writer)) < 0) {
+ syslog(LOG_NOTICE, "wrsession: error at xmlTextWriterEndDocument");
+ return 1;
+ }
+ xmlFreeTextWriter(writer);
+
+ /*
+ * Now write the XML configuration
+ */
+ if (getenv((char *)"USER") == NULL) {
+ mypath = xstrcpy((char *)"/root");
+ } else {
+ mypath = xstrcpy(getenv((char *)"HOME"));
+ }
+ mypath = xstrcat(mypath, (char *)"/.brewco/var/");
+ mkdirs(mypath, 0755);
+ mypath = xstrcat(mypath, (char *)"brewing.xml");
+
+ if (debug)
+ fprintf(stdout, "Writing %s\n", mypath);
+
+ if ((fp = fopen(mypath, "w")) == NULL) {
+ syslog(LOG_NOTICE, "could not rewrite %s", mypath);
+ free(mypath);
+ return 1;
+ }
+ free(mypath);
+
+ fprintf(fp, "%s", (const char *) buf->content);
+ fclose(fp);
+ xmlBufferFree(buf);
+
+ return 0;
+}
+
+
+
+int wrsession(brew_session *brew)
+{
+ int rc;
+
+ rc = do_wrsession(brew);
+ syslog(LOG_NOTICE, "Rewritten brewsession, rc=%d", rc);
+ return rc;
+}
+
+
+
+/*
+ * Returns:
+ * 0 - All is well, session loaded.
+ * 1 - Something went wrong
+ * -1 - No brew session available
+ */
+int rdsession(brew_session *brew)
+{
+ int ival;
+ char *mypath;
+ xmlDocPtr doc;
+ xmlNodePtr cur;
+ xmlChar *key;
+
+ 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 *)"/.brewco/var/");
+ mkdirs(mypath, 0755);
+ mypath = xstrcat(mypath, (char *)"brewing.xml");
+
+ /*
+ * See if we have a brewing state file.
+ */
+ if (file_exist(mypath, W_OK)) {
+ syslog(LOG_NOTICE, "rdsession: %s not found, good.", mypath);
+ free(mypath);
+ return -1;
+ }
+
+ if ((doc = xmlParseFile(mypath)) == NULL) {
+ syslog(LOG_NOTICE, "rdsession: %s not found, should not happen.", mypath);
+ free(mypath);
+ return -1;
+ }
+ syslog(LOG_NOTICE, "rdsession: using %s", mypath);
+
+ if ((cur = xmlDocGetRootElement(doc)) == NULL) {
+ syslog(LOG_NOTICE, "XML file %s empty.", mypath);
+ xmlFreeDoc(doc);
+ return 1;
+ }
+ if (xmlStrcmp(cur->name, (const xmlChar*)"BREWCO")) {
+ syslog(LOG_NOTICE, "XML file %s is not a valid configuration file.", mypath);
+ xmlFreeDoc(doc);
+ return 1;
+ }
+
+ /*
+ * Parse session
+ */
+ cur = cur->xmlChildrenNode;
+ while (cur != NULL) {
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"UUID_RECIPE"))) {
+ brew->uuid_recipe = (char *)xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"UUID_UNIT"))) {
+ brew->uuid_unit = (char *)xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"PREMASH"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->premash = ival;
+ xmlFree(key);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"MASHSTEP"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->mashstep = ival;
+ xmlFree(key);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"MASHSTATE"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->mashstate = ival;
+ xmlFree(key);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"RESTTIME"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->resttime = ival;
+ xmlFree(key);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"IODINE"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->iodine = ival;
+ xmlFree(key);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"MASHREMOVE"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->mashremove = ival;
+ xmlFree(key);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"BOILHEATING"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->boilheating = ival;
+ xmlFree(key);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"BOILING"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->boiling = ival;
+ xmlFree(key);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"BOILTIMER"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->boiltimer = ival;
+ xmlFree(key);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"COOLING"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->cooling = ival;
+ xmlFree(key);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"WHIRLPOOL"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->whirlpool = ival;
+ xmlFree(key);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"CLEANUP"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->cleanup = ival;
+ xmlFree(key);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"STARTTIME"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->starttime = (time_t)ival;
+ xmlFree(key);
+ }
+ if ((!xmlStrcmp(cur->name, (const xmlChar *)"ENDTIME"))) {
+ key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+ if (sscanf((const char *)key, "%d", &ival) == 1)
+ brew->endtime = (time_t)ival;
+ xmlFree(key);
+ }
+ cur = cur->next;
+ }
+ xmlFreeDoc(doc);
+
+ free(mypath);
+ mypath = NULL;
+
+ return 0;
+}
+
+
+