add pre-pre-alpha

Daemons/weatherdaemon_multimeteo/plugins/CMakeLists.txt

@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 3.20)
+
+set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})
+
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(PLUGINS REQUIRED usefull_macros)
+
+include_directories(${PLUGINS_INCLUDE_DIRS} ..)
+link_directories(${PLUGINSLIBRARY_DIRS})
+link_libraries(${$PLUGINS_LIBRARIES} -fPIC)
+
+set(LIBS "")
+
+if(DUMMY)
+    add_library(wsdummy SHARED dummy.c)
+    list(APPEND LIBS wsdummy)
+endif(DUMMY)
+
+install(TARGETS ${LIBS} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})

Daemons/weatherdaemon_multimeteo/plugins/dummy.c

@@ -0,0 +1,113 @@
+/*
+ * This file is part of the weatherdaemon project.
+ * Copyright 2025 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 <pthread.h>
+#include <signal.h>
+#include <usefull_macros.h>
+
+#include "weathlib.h"
+
+#define NS (6)
+
+extern sensordata_t sensor;
+
+static void (*freshdatahandler)(const struct sensordata_t* const) = NULL; // do nothing with fresh data
+static pthread_t thread;
+
+static val_t values[NS] = { // fields `name` and `comment` have no sense until value meaning is `IS_OTHER`
+    {.name = "WIND", .comment = "wind speed, m/s", .sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_WIND},
+    {.name = "WINDDIR", .comment = "wind direction azimuth (from south over west), deg", .sense = VAL_RECOMMENDED, .type = VALT_FLOAT, .meaning = IS_WINDDIR},
+    {.name = "EXTTEMP", .comment = "external temperature, degC", .sense = VAL_OBLIGATORY, .type = VALT_FLOAT, .meaning = IS_AMB_TEMP},
+    {.name = "PRESSURE", .comment = "atmospheric pressure, hPa", .sense = VAL_RECOMMENDED, .type = VALT_FLOAT, .meaning = IS_PRESSURE},
+    {.name = "HUMIDITY", .comment = "air relative humidity, %%", .sense = VAL_RECOMMENDED, .type = VALT_FLOAT, .meaning = IS_HUMIDITY},
+    {.name = "PRECIP", .comment = "precipitations flag (0 - no, 1 - yes)", .sense = VAL_OBLIGATORY, .type = VALT_UINT, .meaning = IS_PRECIP},
+};
+
+void *mainthread(void _U_ *U){
+    FNAME();
+    double t0 = sl_dtime();
+    while(1){
+        float f = values[0].value.f + (drand48() - 0.5) / 2.;
+        if(f >= 0.) values[0].value.f = f;
+        f = values[1].value.f + (drand48() - 0.5) * 4.;
+        if(f > 160. && f < 200.) values[1].value.f = f;
+        f = values[2].value.f + (drand48() - 0.5) / 20.;
+        if(f > 13. && f < 21.) values[2].value.f = f;
+        f = values[3].value.f + (drand48() - 0.5) / 100.;
+        if(f > 585. && f < 615.) values[3].value.f = f;
+        f = values[4].value.f + (drand48() - 0.5) / 10.;
+        if(f > 60. && f <= 100.) values[4].value.f = f;
+        values[5].value.u = (f > 98.) ? 1 : 0;
+        time_t cur = time(NULL);
+        for(int i = 0; i < NS; ++i) values[i].time = cur;
+        if(freshdatahandler) freshdatahandler(&sensor);
+        while(sl_dtime() - t0 < 1.) usleep(500);
+        t0 = sl_dtime();
+    }
+    return NULL;
+}
+
+static int init(int N){
+    FNAME();
+    values[0].value.f = 1.;
+    values[1].value.f = 180.;
+    values[2].value.f = 17.;
+    values[3].value.f = 600.;
+    values[4].value.f = 80.;
+    values[5].value.u = 0;
+    if(pthread_create(&thread, NULL, mainthread, NULL)) return 0;
+    sensor.PluginNo = N;
+    return NS;
+}
+
+static int onrefresh(void (*handler)(const struct sensordata_t* const)){
+    FNAME();
+    if(!handler) return FALSE;
+    freshdatahandler = handler;
+    return TRUE;
+}
+
+static void die(){
+    FNAME();
+    if(0 == pthread_kill(thread, 9)){
+        DBG("Killed, join");
+        pthread_join(thread, NULL);
+        DBG("Done");
+    }
+}
+
+/**
+ * @brief getval - value's getter
+ * @param o (o) - value
+ * @param N - it's index
+ * @return FALSE if failed
+ */
+static int getval(val_t *o, int N){
+    if(N < 0 || N >= NS) return FALSE;
+    if(o) *o = values[N];
+    return TRUE;
+}
+
+sensordata_t sensor = {
+    .name = "Dummy weatherstation",
+    .Nvalues = NS,
+    .init = init,
+    .onrefresh = onrefresh,
+    .get_value = getval,
+    .die = die,
+};