implement reading and setting of the RTC time/date without validation

jsonrtc/conf/build.conf

@@ -4,7 +4,7 @@
 # Set to yes if you wish to produce a single binary instead
 # of a dynamic library. If you set this to yes you must also
 # set kore_source together with kore_flavor.
-#single_binary=no
+#single_binary=yes
 #kore_source=/home/joris/src/kore
 #kore_flavor=
 

jsonrtc/conf/jsonrtc.conf

@@ -10,4 +10,5 @@ domain * {
 	certkey		cert/key.pem
 
 	static	/	page
+	static	/time	handle_time
 }

jsonrtc/src/jsonrtc.c

@@ -1,11 +1,95 @@
 #include <kore/kore.h>
 #include <kore/http.h>
 
-int		page(struct http_request *);
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <linux/rtc.h>
+#include <cjson/cJSON.h>
+
 
+int		page(struct http_request *);
+int handle_time(struct http_request *);
 int
 page(struct http_request *req)
 {
 	http_response(req, 200, NULL, 0);
 	return (KORE_RESULT_OK);
 }
+
+int handle_time(struct http_request *req) {
+	int fdesc;
+	struct rtc_time time;
+	cJSON *time_json, *json_min, *json_hour, *json_mday,
+		*json_mon, *json_year, *json_sec;
+	if(req->method == HTTP_METHOD_GET) {
+		char *result_string;
+		time_json = cJSON_CreateObject();
+		fdesc = open("/dev/rtc", O_RDONLY);
+		ioctl(fdesc, RTC_RD_TIME, &time);
+		close(fdesc);
+		json_sec = cJSON_CreateNumber(time.tm_sec);
+		json_min = cJSON_CreateNumber(time.tm_min);
+		json_hour = cJSON_CreateNumber(time.tm_hour);
+		json_mday = cJSON_CreateNumber(time.tm_mday);
+		json_mon = cJSON_CreateNumber(time.tm_mon);
+		json_year = cJSON_CreateNumber(time.tm_year);
+		cJSON_AddItemToObject(time_json, "seconds", json_sec);
+		cJSON_AddItemToObject(time_json, "minutes", json_min);
+		cJSON_AddItemToObject(time_json, "hour", json_hour);
+		cJSON_AddItemToObject(time_json, "mday", json_mday);
+		cJSON_AddItemToObject(time_json, "month", json_mon);
+		cJSON_AddItemToObject(time_json, "year", json_year);
+		result_string = cJSON_Print(time_json);
+		cJSON_Delete(time_json);
+		http_response_header(req, "Content-Type", "application/json");
+		http_response(req, 200, result_string, strlen(result_string));
+		return KORE_RESULT_OK;
+	} else if (req->method == HTTP_METHOD_POST) {
+		struct kore_buf * buf;
+		u_int8_t data[128];
+		int ret;
+		char * body;
+		buf = kore_buf_alloc(128);
+		printf("Starting reading of body\n");
+		while(1) {
+			ret = http_body_read(req, data, sizeof(data));
+			if (ret == -1) {
+				kore_buf_free(buf);
+				http_response(req, 500, NULL, 0);
+				return (KORE_RESULT_OK);
+			}
+			if (ret == 0) {
+				break;
+			}
+			kore_buf_append(buf,data,ret);
+		}
+		body = kore_buf_stringify(buf, NULL);
+		kore_buf_free(buf);
+		time_json = cJSON_Parse(body);
+		if (time_json == NULL) {
+			http_response(req, 500, NULL, 0);
+			return (KORE_RESULT_OK);
+		}
+		time.tm_sec = cJSON_GetObjectItemCaseSensitive(time_json, "seconds")->valueint;
+		time.tm_min = cJSON_GetObjectItemCaseSensitive(time_json, "minutes")->valueint;
+		time.tm_hour = cJSON_GetObjectItemCaseSensitive(time_json, "hour")->valueint;
+		time.tm_mday = cJSON_GetObjectItemCaseSensitive(time_json, "mday")->valueint;
+		time.tm_mon = cJSON_GetObjectItemCaseSensitive(time_json, "month")->valueint;
+		time.tm_year = cJSON_GetObjectItemCaseSensitive(time_json, "year")->valueint;
+		cJSON_Delete(time_json);
+		fdesc = open("/dev/rtc", O_WRONLY);
+		ret = ioctl(fdesc, RTC_SET_TIME, &time);
+		close(fdesc);
+		if (ret) {
+			http_response(req, 500, NULL, 0);
+                        return (KORE_RESULT_OK);
+		}
+                http_response(req, 200, NULL, 0);
+                return KORE_RESULT_OK;
+	} else {
+		http_response(req, HTTP_STATUS_METHOD_NOT_ALLOWED, NULL, 0);
+		return (KORE_RESULT_OK);
+	}
+}