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15 andreas 1 
/*
2 
 * Copyright (C) 2015 by Andreas Theofilu. All rights reserved!
3 
 *
4 
 * All rights reserved. No warranty, explicit or implicit, provided.
5 
 *
6 
 * NOTICE:  All information contained herein is, and remains
7 
 * the property of Andreas Theofilu and his suppliers, if any.
8 
 * The intellectual and technical concepts contained
9 
 * herein are proprietary to Andreas Theofilu and its suppliers and
10 
 * may be covered by European and Foreign Patents, patents in process,
11 
 * and are protected by trade secret or copyright law.
12 
 * Dissemination of this information or reproduction of this material
13 
 * is strictly forbidden unless prior written permission is obtained
14 
 * from Andreas Theofilu.
15 
 *
16 
 * Author: Andreas Theofilu <andreas@theosys.at>
17 
 */
18 
#include <iostream>
19 
#include <string>
20 
#include <cstring>
21 
#include <cctype>
22 
#include <cstddef>
23 
#include <cstdio>
24 
#include <cstdlib>
17 andreas 25 
#include <syslog.h>
15 andreas 26 
#include <microhttpd.h>
40 andreas 27 
#include <sqlite3.h>
15 andreas 28 
#include "config.h"
29 
#include "helper.h"
17 andreas 30 
#include "controller.h"
15 andreas 31 
#include "html.h"
32 
 
33 
using namespace std;
34 
 
17 andreas 35 
#define POSTBUFFERSIZE  512
36 
#define MAXNAMESIZE     20
37 
#define MAXANSWERSIZE   512
38 
 
39 
#define GET             0
40 
#define POST            1
41 
 
42 
class HttpController : public DynamicController
43 
{
44 
	public:
19 andreas 45 
		typedef struct
46 
		{
47 
			int connectiontype;
48 
			string answerstring;
49 
			struct MHD_PostProcessor *postprocessor;
50 
		}connection_info_struct;
17 andreas 51 
 
41 andreas 52 
		enum REQUEST
53 
		{
54 
			NONE,
55 
			GLOBALS,
56 
			ROOM,
57 
			DETAILS
58 
		};
59 
 
19 andreas 60 
	public:
40 andreas 61 
		HttpController(string mp, int *r, html::HTCONF *ht)
19 andreas 62 
		{
63 
			mainPage = mp;
23 andreas 64 
			room = r;
65 
			HeatConf = ht;
19 andreas 66 
		}
35 andreas 67 
 
36 andreas 68 
		inline static time_t strToTime(const char *str)						// Convert a time string into a time value
35 andreas 69 
		{
70 
			int hour, min;
71 
 
36 andreas 72 
			if (strchr(str, ':') != NULL)
35 andreas 73 
			{
36 andreas 74 
				sscanf(str, "%d:%d", &hour, &min);
35 andreas 75 
				return (time_t)hour * 3600 + (time_t)min * 60;
76 
			}
77 
 
78 
			return 0;
79 
		}
80 
 
81 
		inline static std::string timeToStr(time_t t)					// Convert a time value into a string
82 
		{
83 
			int hour, min;
36 andreas 84 
			char hv0[48];
35 andreas 85 
 
86 
			hour = (int)(t / 3600);
39 andreas 87 
			min = (int)((t - (time_t)hour * 3600) / 60);
36 andreas 88 
			sprintf(hv0, "%02d:%02d", hour, min);
89 
			string zeit(hv0);
35 andreas 90 
			return zeit;
91 
		}
92 
 
40 andreas 93 
		inline static void setGlobals(double *n, double *a, bool *m)
19 andreas 94 
		{
95 
			glb_minimal = a;
96 
			glb_night = n;
97 
			onoff = m;
98 
		}
99 
 
40 andreas 100 
		inline static double getGlbNight() { return *glb_night; }
101 
		inline static double getGlbAbsent() { return *glb_minimal; }
102 
		inline static bool getGlbPower() { return *onoff; }
103 
		inline static int getSelRoom() { return *room; }
104 
		inline static html::HTCONF *getHConf() { return HeatConf; }
41 andreas 105 
		inline static REQUEST getLastRequest() { return rq; }
19 andreas 106 
 
17 andreas 107 
		virtual bool validPath(const char* path, const char* method)
108 
		{
19 andreas 109 
			if (Configure.debug)
110 
				syslog(LOG_DEBUG, "path=%s, method=%s", path, method);
18 andreas 111 
 
19 andreas 112 
			if((strcmp(path, "/") == 0 && strcmp("GET", method) == 0) ||
34 andreas 113 
				(strcmp(path, "/global") == 0 && strcmp("POST", method) == 0) ||
114 
				(strcmp(path, "/room") == 0 && strcmp("POST", method) == 0) ||
115 
				(strcmp(path, "/details") == 0 && strcmp("POST", method) == 0))
41 andreas 116 
			{
117 
				if (strcmp (path, "/global") == 0)
118 
					HttpController::rq = GLOBALS;
119 
				else if (strcmp (path, "/room") == 0)
120 
					HttpController::rq = ROOM;
121 
				else if (strcmp (path, "/details") == 0)
122 
					HttpController::rq = DETAILS;
123 
				else
124 
					HttpController::rq = NONE;
125 
 
17 andreas 126 
				return true;
41 andreas 127 
			}
17 andreas 128 
 
129 
			return false;
130 
		}
19 andreas 131 
 
132 
		static int iterate_post (void *coninfo_cls, enum MHD_ValueKind kind, const char *key,
133 
								const char *filename, const char *content_type,
134 
								const char *transfer_encoding, const char *data, uint64_t off,
135 
								size_t size)
136 
		{
137 
			helper h;
138 
			connection_info_struct *con_info = (connection_info_struct *)coninfo_cls;
139 
 
140 
			if (Configure.debug)
141 
				syslog(LOG_DEBUG, "Iterate: key=%s, data=%s", key, data);
142 
 
143 
			if (strcmp (key, "gnight") == 0)
144 
			{
145 
				if (size > 0 && size <= MAXNAMESIZE)
146 
				{
40 andreas 147 
					*glb_night = strtod(data, NULL);
148 
					con_info->answerstring = h.doubleToString(*glb_night, 1);
19 andreas 149 
				}
150 
				else
151 
					con_info->answerstring.clear();
152 
			}
153 
			else if (strcmp(key, "gabsent") == 0)
154 
			{
155 
				if (size > 0 && size <= MAXNAMESIZE)
156 
				{
40 andreas 157 
					*glb_minimal = strtod(data, NULL);
158 
					con_info->answerstring = h.doubleToString(*glb_minimal, 1);
19 andreas 159 
				}
160 
				else
161 
					con_info->answerstring.clear();
162 
			}
23 andreas 163 
			else if (strcmp(key, "mode") == 0)
164 
			{
40 andreas 165 
				if (data && size > 0)
23 andreas 166 
				{
167 
					if (strcmp(data, "normal") == 0)
40 andreas 168 
						*onoff = true;
28 andreas 169 
					else if (strcmp(data, "off") == 0)
40 andreas 170 
						*onoff = false;
23 andreas 171 
				}
172 
			}
173 
			else if (strcmp(key, "room") == 0)
174 
			{
40 andreas 175 
				if (data && size > 0)
23 andreas 176 
				{
177 
					int r = atoi(data);
178 
 
179 
					if (r)
40 andreas 180 
						*room = r;
23 andreas 181 
				}
182 
			}
24 andreas 183 
			else if (strcmp(key, "soll") == 0)
184 
			{
40 andreas 185 
				if (data && size > 0)
24 andreas 186 
				{
187 
					html::HTCONF *akt = HeatConf;
23 andreas 188 
 
24 andreas 189 
					while (akt)
190 
					{
40 andreas 191 
						if (akt->rnum == *room)
24 andreas 192 
						{
193 
							akt->soll = strtod(data, NULL);
194 
							break;
195 
						}
196 
 
197 
						akt = akt->next;
198 
					}
199 
				}
200 
			}
201 
			else if (strcmp(key, "night") == 0)
202 
			{
40 andreas 203 
				if (data && size > 0)
24 andreas 204 
				{
205 
					html::HTCONF *akt = HeatConf;
206 
 
207 
					while (akt)
208 
					{
40 andreas 209 
						if (akt->rnum == *room)
24 andreas 210 
						{
211 
							akt->night = strtod(data, NULL);
212 
							break;
213 
						}
214 
 
215 
						akt = akt->next;
216 
					}
217 
				}
218 
			}
219 
			else if (strcmp(key, "absent") == 0)
220 
			{
40 andreas 221 
				if (data && size > 0)
24 andreas 222 
				{
223 
					html::HTCONF *akt = HeatConf;
224 
 
225 
					while (akt)
226 
					{
40 andreas 227 
						if (akt->rnum == *room)
24 andreas 228 
						{
229 
							akt->minimal = strtod(data, NULL);
230 
							break;
231 
						}
232 
 
233 
						akt = akt->next;
234 
					}
235 
				}
236 
			}
35 andreas 237 
			else if (strcmp(key, "start1") == 0)
238 
			{
40 andreas 239 
				if (data && size > 0)
35 andreas 240 
				{
241 
					html::HTCONF *akt = HeatConf;
24 andreas 242 
 
35 andreas 243 
					while (akt)
244 
					{
40 andreas 245 
						if (akt->rnum == *room)
35 andreas 246 
						{
36 andreas 247 
							akt->start1 = strToTime(data);
35 andreas 248 
							break;
249 
						}
250 
 
251 
						akt = akt->next;
252 
					}
253 
				}
254 
			}
255 
			else if (strcmp(key, "end1") == 0)
256 
			{
40 andreas 257 
				if (data && size > 0)
35 andreas 258 
				{
259 
					html::HTCONF *akt = HeatConf;
260 
 
261 
					while (akt)
262 
					{
40 andreas 263 
						if (akt->rnum == *room)
35 andreas 264 
						{
36 andreas 265 
							akt->end1 = strToTime(data);
35 andreas 266 
							break;
267 
						}
268 
 
269 
						akt = akt->next;
270 
					}
271 
				}
272 
			}
273 
			else if (strcmp(key, "start2") == 0)
274 
			{
40 andreas 275 
				if (data && size > 0)
35 andreas 276 
				{
277 
					html::HTCONF *akt = HeatConf;
278 
 
279 
					while (akt)
280 
					{
40 andreas 281 
						if (akt->rnum == *room)
35 andreas 282 
						{
36 andreas 283 
							akt->start2 = strToTime(data);
35 andreas 284 
							break;
285 
						}
286 
 
287 
						akt = akt->next;
288 
					}
289 
				}
290 
			}
291 
			else if (strcmp(key, "end2") == 0)
292 
			{
40 andreas 293 
				if (data && size > 0)
35 andreas 294 
				{
295 
					html::HTCONF *akt = HeatConf;
296 
 
297 
					while (akt)
298 
					{
40 andreas 299 
						if (akt->rnum == *room)
35 andreas 300 
						{
36 andreas 301 
							akt->end2 = strToTime(data);
35 andreas 302 
							break;
303 
						}
304 
 
305 
						akt = akt->next;
306 
					}
307 
				}
308 
			}
309 
 
19 andreas 310 
			return MHD_YES;
311 
		}
312 
 
17 andreas 313 
		virtual void createResponse(struct MHD_Connection *connection,
19 andreas 314 
        				const char *url, const char *method, const char *upload_data,
315 
        				size_t *upload_data_size, std::stringstream& response, void **ptr)
17 andreas 316 
		{
19 andreas 317 
			string mp = mainPage;
318 
			helper h;
23 andreas 319 
			html::HTCONF *akt = HeatConf;
19 andreas 320 
 
321 
			// Replace the place holders with data
40 andreas 322 
			mp.replace(mp.find("#01#"), 4, h.doubleToString(*glb_night, 1));
323 
			mp.replace(mp.find("#02#"), 4, h.doubleToString(*glb_minimal, 1));
19 andreas 324 
 
40 andreas 325 
			if (*onoff)
19 andreas 326 
			{
327 
				mp.replace(mp.find("#03#"), 4, " checked");
328 
				mp.erase(mp.find("#04#"), 4);
329 
			}
330 
			else
331 
			{
332 
				mp.erase(mp.find("#03#"), 4);
333 
				mp.replace(mp.find("#04#"), 4, " checked");
334 
			}
335 
 
27 andreas 336 
			int c = 100;
337 
 
23 andreas 338 
			while (akt)
339 
			{
40 andreas 340 
				if (akt->rnum == *room)
23 andreas 341 
				{
27 andreas 342 
					mp.replace(mp.find("#"+h.itostring(c)+"#"), 5, " selected");
35 andreas 343 
					mp.replace(mp.find("#05#"), 4, h.doubleToString(akt->soll, 1));
344 
					mp.replace(mp.find("#06#"), 4, h.doubleToString(akt->night, 1));
345 
					mp.replace(mp.find("#07#"), 4, h.doubleToString(akt->minimal, 1));
346 
					mp.replace(mp.find("#08#"), 4, timeToStr(akt->start1));
347 
					mp.replace(mp.find("#09#"), 4, timeToStr(akt->end1));
348 
					mp.replace(mp.find("#10#"), 4, timeToStr(akt->start2));
349 
					mp.replace(mp.find("#11#"), 4, timeToStr(akt->end2));
23 andreas 350 
				}
27 andreas 351 
				else
352 
					mp.erase(mp.find("#"+h.itostring(c)+"#"), 5);
23 andreas 353 
 
354 
				akt = akt->next;
27 andreas 355 
				c++;
23 andreas 356 
			}
357 
 
19 andreas 358 
			response << mp;
17 andreas 359 
		}
360 
 
361 
	private:
362 
		string mainPage;
40 andreas 363 
		static double *glb_minimal;						// The global temperature for normal (day) mode
364 
		static double *glb_night;						// The global temperature for night mode
365 
		static bool *onoff;								// True if heating is in normal or night mode
366 
		static int *room;
41 andreas 367 
		static REQUEST rq;
24 andreas 368 
		static html::HTCONF *HeatConf;
17 andreas 369 
};
370 
 
40 andreas 371 
double *HttpController::glb_night = nullptr;
372 
double *HttpController::glb_minimal = nullptr;
373 
bool *HttpController::onoff = nullptr;
374 
int *HttpController::room = nullptr;
24 andreas 375 
html::HTCONF *HttpController::HeatConf;
41 andreas 376 
HttpController::REQUEST HttpController::rq = HttpController::REQUEST::NONE;
19 andreas 377 
 
378 
std::string html::intErrorPage;
46 andreas 379 
bool html::datar = false;
19 andreas 380 
 
15 andreas 381 
html::html()
382 
{
18 andreas 383 
	enableDebug(Configure.debug);
17 andreas 384 
	HeatConf = nullptr;
385 
	glb_night = 0.0;
386 
	glb_absent = 0.0;
387 
	stop = false;
388 
	daemon = nullptr;
23 andreas 389 
	room = 0;
16 andreas 390 
}
391 
 
392 
html::~html()
393 
{
17 andreas 394 
HTCONF *akt = HeatConf;
16 andreas 395 
 
17 andreas 396 
	if (daemon)
397 
		MHD_stop_daemon (daemon);
398 
 
399 
	while (akt)
400 
	{
401 
		HTCONF *p;
402 
 
403 
		p = akt->next;
404 
		delete akt;
405 
		akt = p;
406 
	}
16 andreas 407 
}
408 
 
17 andreas 409 
void html::run()
16 andreas 410 
{
18 andreas 411 
	initPages();
40 andreas 412 
	HttpController HtmlPage(mainPage, &room, HeatConf);
413 
	HtmlPage.setGlobals(&glb_night, &glb_absent, &mode);
18 andreas 414 
	addController(&HtmlPage);
19 andreas 415 
	daemon = MHD_start_daemon(MHD_USE_THREAD_PER_CONNECTION, Configure.html_port, NULL, NULL,
416 
							  &request_handler, this,
417 
							  MHD_OPTION_NOTIFY_COMPLETED, &request_completed, NULL,
418 
							  MHD_OPTION_END);
17 andreas 419 
 
420 
	while (!stop)
421 
		sleep(60);
16 andreas 422 
 
17 andreas 423 
	MHD_stop_daemon (daemon);
424 
}
425 
 
426 
void html::initPages()
427 
{
428 
HTCONF *akt = HeatConf;
429 
 
15 andreas 430 
	// This is the main page
431 
	mainPage = "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"\n";
432 
	mainPage.append ("\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n");
433 
	mainPage.append ("<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"de\" lang=\"de\">\n\n");
434 
	mainPage.append ("<head>\n");
435 
	mainPage.append ("<title>Heizungsteuerung</title>\n");
436 
	mainPage.append ("<META NAME=\"author\" CONTENT=\"Andreas Theofilu\">\n");
437 
	mainPage.append ("<META NAME=\"publisher\" CONTENT=\"Andreas Theofilu (TheoSys)\">\n");
438 
	mainPage.append ("<META NAME=\"copyright\" CONTENT=\"(C) 2015 by Andreas Theofilu\">\n");
439 
	mainPage.append ("<meta name=\"Description\" content=\"Heating control\">\n");
440 
	mainPage.append ("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">\n");
441 
	mainPage.append ("<meta NAME=\"content-language\" content=\"de\">\n");
442 
	mainPage.append ("</head>\n");
443 
	mainPage.append ("<body>\n");
16 andreas 444 
 
15 andreas 445 
	mainPage.append ("<h1>Heizungsteuerung</h1>\n");
446 
	mainPage.append ("<table border=1 cellpadding=0 cellspacing=0>\n");
447 
	mainPage.append ("<tr><td>");
16 andreas 448 
 
15 andreas 449 
	mainPage.append ("<table border=0>\n");
34 andreas 450 
	mainPage.append ("<form name=\"global\" action=\"/global\" method=\"post\">");
35 andreas 451 
	mainPage.append ("<tr><td>Nachtabsenkung</td><td><input type=\"number\" name=\"gnight\"  min=\"16.0\" max=\"25.0\" step=\"0.5\" value=\"#01#\"></td></tr>\n");
40 andreas 452 
	mainPage.append ("<tr><td>Abwesend</td><td><input type=\"number\" name=\"gabsent\" min=\"16.0\" max=\"25.0\" step=\"0.5\" value=\"#02#\"></td></tr>\n");
33 andreas 453 
	mainPage.append ("</table></td></tr>\n");
19 andreas 454 
	mainPage.append ("<tr><td><input type=\"radio\" name=\"mode\" value=\"normal\"#03#>Anwesend&nbsp;&nbsp;<input type=\"radio\" name=\"mode\" value=\"off\"#04#>Abwesend</td></tr>\n");
17 andreas 455 
 
33 andreas 456 
	mainPage.append ("<tr><td><input type=\"submit\" value=\"Speichern\"></form></td></tr>\n");
15 andreas 457 
	mainPage.append ("</table>\n");
16 andreas 458 
 
15 andreas 459 
	mainPage.append ("<table border=1 cellpadding=0 cellspacing=0>\n");
460 
	mainPage.append ("<tr><td>");
16 andreas 461 
 
34 andreas 462 
	mainPage.append ("<form name=\"choose\" action=\"/room\" method=\"post\">");
15 andreas 463 
	mainPage.append ("<table border=0>\n");
33 andreas 464 
	mainPage.append ("<tr><td>Raum</td><td><select name=\"room\" onChange=\"javascript:document.choose.submit()\">\n");
32 andreas 465 
 
27 andreas 466 
	int c = 100;
467 
 
17 andreas 468 
	while (akt)
469 
	{
23 andreas 470 
		if (!room)
471 
			room = akt->rnum;
472 
 
32 andreas 473 
		mainPage.append ("<option value=\"" + itostring(akt->rnum) + "\"#" + itostring(c) + "#>" + ToString(akt->rname) +"</option>\n");
17 andreas 474 
		akt = akt->next;
27 andreas 475 
		c++;
17 andreas 476 
	}
477 
 
478 
	akt = HeatConf;
35 andreas 479 
	mainPage.append ("</select>\n<input type=\"submit\" value=\"Auswahl\"></form>\n");
480 
	mainPage.append ("<form name=\"details\" action=\"/details\" method=\"post\"></td></tr>\n");
481 
	mainPage.append ("<tr><td>Solltemperatur</td><td><input type=\"number\" name=\"soll\" min=\"16.0\" max=\"30.0\" step=\"0.5\" value=\"#05#\"></td></tr>\n");
45 andreas 482 
	mainPage.append ("<tr><td>Nachtabsenkung</td><td><input type=\"number\" name=\"night\" min=\"0.0\" max=\"25.0\" step=\"0.5\" value=\"#06#\"></td></tr>\n");
483 
	mainPage.append ("<tr><td>Abwesenheit</td><td><input type=\"number\" name=\"absent\" min=\"0.0\" max=\"25.0\" step=\"0.5\" value=\"#07#\"></td></tr>\n");
35 andreas 484 
	mainPage.append ("<tr><td colspan=2>&nbsp;</td></tr>\n");
485 
	mainPage.append ("<tr><td>Startzeit Tagbetrieb</td><td><input type=\"time\" name=\"start1\" placeholder=\"23:59\" value=\"#08#\"></td></tr>\n");
40 andreas 486 
	mainPage.append ("<tr><td>Startzeit Nachtbetrieb</td><td><input type=\"time\" name=\"end1\" placeholder=\"23:59\" value=\"#09#\"></td></tr>\n");
487 
	mainPage.append ("<tr><td>Startzeit Werktag</td><td><input type=\"time\" name=\"start2\" placeholder=\"23:59\" value=\"#10#\"></td></tr>\n");
488 
	mainPage.append ("<tr><td>Endzeit Werktag</td><td><input type=\"time\" name=\"end2\" placeholder=\"23:59\" value=\"#11#\"></td></tr>\n");
33 andreas 489 
	mainPage.append ("<tr><td>&nbsp;</td><td><input type=\"submit\" value=\"Speichern\"></form></td></tr>\n");
16 andreas 490 
 
15 andreas 491 
	mainPage.append ("</table></td></tr></table>\n");
492 
	mainPage.append ("</body>\n</html>\n");
19 andreas 493 
 
494 
	// Internal error page
495 
	intErrorPage = "<html><body>An internal server error has occured!</body></html>";
15 andreas 496 
}
17 andreas 497 
 
498 
html::HTCONF *html::addConfig(HTCONF *ht)
499 
{
500 
HTCONF *akt;
501 
 
502 
	akt = new HTCONF;
503 
	memmove (akt, ht, sizeof(HTCONF));
504 
	akt->next = nullptr;
505 
 
506 
	if (HeatConf == nullptr)
507 
		HeatConf = akt;
508 
	else
509 
	{
510 
		HTCONF *p;
511 
 
512 
		p = HeatConf;
513 
 
514 
		while (p->next)
49 andreas 515 
		{
516 
			if (p->rnum == ht->rnum)
517 
			{
518 
				p->soll = ht->soll;
519 
				p->night = ht->night;
520 
				p->minimal = ht->minimal;
521 
				p->start1 = ht->start1;
522 
				p->end1 = ht->end1;
523 
				p->start2 = p->start2;
524 
				p->end2 = p->end2;
525 
				delete akt;
526 
				return p;
527 
			}
528 
 
17 andreas 529 
			p = p->next;
49 andreas 530 
		}
17 andreas 531 
 
532 
		p->next = akt;
533 
	}
534 
 
18 andreas 535 
	debug("html::addConfig(): rname="+ToString(akt->rname)+", rnum="+itostring(akt->rnum));
17 andreas 536 
	return akt;
537 
}
538 
 
539 
/*
540 
 * The following functions are callbacks for the HTML server
541 
 */
19 andreas 542 
int html::request_handler(void* cls, struct MHD_Connection *connection,
543 
							   const char *url, const char *method, const char* version,
544 
							   const char *upload_data, size_t *upload_data_size, void **ptr)
17 andreas 545 
{
546 
html *server = (html *)cls;
547 
 
548 
	Controller *controller = 0;
549 
 
550 
	for (int i = 0; i < (int)server->controllers.size(); i++)
551 
	{
552 
		Controller *c = server->controllers.at(i);
553 
 
554 
		if(c->validPath(url, method))
555 
		{
556 
			controller = c;
557 
			break;
558 
		}
559 
	}
560 
 
561 
	if (!controller)
562 
	{
18 andreas 563 
		syslog(LOG_WARNING, "Path <%s> not found.", url);
19 andreas 564 
		struct MHD_Response* response = MHD_create_response_from_buffer(strlen(intErrorPage.c_str()), (void *)intErrorPage.c_str(), MHD_RESPMEM_PERSISTENT);
565 
		return MHD_queue_response (connection, MHD_HTTP_INTERNAL_SERVER_ERROR, response);
17 andreas 566 
	}
19 andreas 567 
	else
568 
	{
569 
		if (*ptr == NULL)
570 
		{
571 
			HttpController::connection_info_struct *con_info;
22 andreas 572 
 
19 andreas 573 
			if (Configure.debug)
574 
				syslog(LOG_DEBUG, "Initializing postprocessor (url=%s, method=%s, upload_data=%s, upload_data_size=%d)", url, method, upload_data, upload_data_size);
22 andreas 575 
 
576 
			if (Configure.debug)
577 
				syslog(LOG_DEBUG, "Initializing postprocessor (url=%s, method=%s, upload_data=%s, upload_data_size=%d)", url, method, upload_data, upload_data_size);
578 
 
19 andreas 579 
			con_info = new HttpController::connection_info_struct;
580 
			con_info->answerstring.clear();
22 andreas 581 
 
19 andreas 582 
			if (strcmp (method, "POST") == 0)
583 
			{
584 
				con_info->postprocessor = MHD_create_post_processor (connection, POSTBUFFERSIZE, HttpController::iterate_post, (void *)con_info);
22 andreas 585 
 
19 andreas 586 
				if (con_info->postprocessor == NULL)
587 
				{
588 
					delete con_info;
589 
					syslog(LOG_WARNING, "Error creating a HTML post processor");
590 
					return MHD_NO;
591 
				}
22 andreas 592 
 
19 andreas 593 
				con_info->connectiontype = POST;
594 
			}
595 
			else
596 
				con_info->connectiontype = GET;
22 andreas 597 
 
19 andreas 598 
			*ptr = (void *)con_info;
22 andreas 599 
			return MHD_YES;
19 andreas 600 
		}
20 andreas 601 
 
602 
		if (strcmp (method, "POST") == 0)
603 
		{
604 
			HttpController::connection_info_struct *con_info = (HttpController::connection_info_struct *)*ptr;
22 andreas 605 
 
606 
			if (Configure.debug)
607 
				syslog(LOG_DEBUG, "Executing postprocessor (url=%s, method=%s, upload_data=%s, upload_data_size=%d)", url, method, upload_data, upload_data_size);
608 
 
20 andreas 609 
			if (*upload_data_size != 0)
610 
			{
611 
				MHD_post_process (con_info->postprocessor, upload_data, *upload_data_size);
612 
				*upload_data_size = 0;
613 
				return MHD_YES;
614 
			}
615 
		}
19 andreas 616 
	}
17 andreas 617 
 
19 andreas 618 
	return controller->handleRequest(connection, url, method, upload_data, upload_data_size, ptr);
17 andreas 619 
}
620 
 
19 andreas 621 
void html::request_completed (void *cls, struct MHD_Connection *connection,
622 
							void **con_cls, enum MHD_RequestTerminationCode toe)
623 
{
40 andreas 624 
sqlite3 *db;
625 
sqlite3_stmt *res;
626 
int rc;
627 
char *zErrMsg = nullptr;
628 
string query;
629 
html::HTCONF *akt = HttpController::getHConf();
630 
helper h;
631 
 
19 andreas 632 
	HttpController::connection_info_struct *con_info = (HttpController::connection_info_struct *)*con_cls;
28 andreas 633 
 
634 
	if (Configure.debug)
635 
		syslog(LOG_DEBUG, "Request was completed.");
636 
 
19 andreas 637 
	if (con_info == nullptr)
638 
		return;
28 andreas 639 
 
19 andreas 640 
	if (con_info->connectiontype == POST)
641 
		MHD_destroy_post_processor (con_info->postprocessor);
28 andreas 642 
 
19 andreas 643 
	delete con_info;
644 
	*con_cls = nullptr;
40 andreas 645 
 
646 
	// Here everything should be processed. So it's time to get the results.
43 andreas 647 
	if (HttpController::getLastRequest() == HttpController::REQUEST::GLOBALS ||
648 
		HttpController::getLastRequest() == HttpController::REQUEST::DETAILS)
649 
	{
650 
		if (Configure.debug)
651 
			syslog(LOG_DEBUG, "Values %s will be saved...", (HttpController::getLastRequest() == HttpController::REQUEST::GLOBALS)?"GLOBALS":"DETAILS");
41 andreas 652 
 
43 andreas 653 
		rc = sqlite3_open(Configure.home, &db);
41 andreas 654 
 
43 andreas 655 
		if (rc)
656 
		{
657 
			syslog(LOG_DAEMON, "Error opening database %s: %s", Configure.home, sqlite3_errmsg(db));
658 
			return;
659 
		}
40 andreas 660 
 
43 andreas 661 
		if (HttpController::getLastRequest() == HttpController::REQUEST::DETAILS)
40 andreas 662 
		{
43 andreas 663 
			while (akt)
41 andreas 664 
			{
43 andreas 665 
				if (akt->rnum == HttpController::getSelRoom())
666 
				{
667 
					query = "update heating ";
668 
					query.append("set name = \""+string(akt->rname)+"\"");
669 
					query.append(",soll = "+h.doubleToString(akt->soll, 1));
670 
					query.append(",night = "+h.doubleToString(akt->night, 1));
671 
					query.append(",minimal = "+h.doubleToString(akt->minimal, 1));
672 
					query.append(",start = "+h.itostring(akt->start1));
673 
					query.append(",end = "+h.itostring(akt->end1));
674 
					query.append(" where id = " + h.itostring(akt->rnum));
675 
					rc = sqlite3_exec(db, query.c_str(), NULL, NULL, &zErrMsg);
40 andreas 676 
 
43 andreas 677 
					if (rc != SQLITE_OK)
678 
					{
679 
						syslog(LOG_WARNING, "SQL error [%s]: %s", query.c_str(), zErrMsg);
680 
						sqlite3_free(zErrMsg);
681 
						sqlite3_close(db);
682 
						return;
683 
					}
41 andreas 684 
				}
43 andreas 685 
 
686 
				akt = akt->next;
40 andreas 687 
			}
46 andreas 688 
 
689 
			datar = true;
40 andreas 690 
		}
691 
 
43 andreas 692 
		if (HttpController::getLastRequest() == HttpController::REQUEST::GLOBALS)
693 
		{
694 
			query = "update glbheat set night = ";
695 
			query.append(h.doubleToString(HttpController::getGlbNight(), 1));
696 
			query.append(", minimal = "+h.doubleToString(HttpController::getGlbAbsent(), 1));
697 
			query.append(", onoff = "+h.itostring(HttpController::getGlbPower()));
40 andreas 698 
 
43 andreas 699 
			rc = sqlite3_exec(db, query.c_str(), NULL, NULL, &zErrMsg);
40 andreas 700 
 
43 andreas 701 
			if (rc != SQLITE_OK)
702 
			{
703 
				syslog(LOG_WARNING, "SQL error [%s]: %s", query.c_str(), zErrMsg);
704 
				sqlite3_free(zErrMsg);
705 
				sqlite3_close(db);
706 
				return;
707 
			}
46 andreas 708 
 
709 
			datar = true;
41 andreas 710 
		}
40 andreas 711 
 
43 andreas 712 
		sqlite3_close(db);
42 andreas 713 
 
43 andreas 714 
		if (Configure.debug)
715 
			syslog(LOG_DEBUG, "Values successfully saved.");
716 
	}
19 andreas 717 
}
718 
 
17 andreas 719 
void html::addController(Controller* controller)
720 
{
721 
	controllers.push_back(controller);
722 
}