add config file loader

[uwplayer.git] / application / settings.c

diff --git a/application/settings.c b/application/settings.c
new file mode 100644 (file)
index 0000000..d651a81
--- /dev/null
+++ b/application/settings.c
@@ -0,0 +1,120 @@
+/*
+ * Copyright 2022 Olaf Wintermann
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a 
+ * copy of this software and associated documentation files (the "Software"), 
+ * to deal in the Software without restriction, including without limitation 
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+ * and/or sell copies of the Software, and to permit persons to whom the 
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in 
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "settings.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <pthread.h>
+
+#include "utils.h"
+
+#include <ucx/map.h>
+#include <ucx/properties.h>
+
+#define CONFIG_BASE_DIR ".config"
+#define UWP_CONFIG_DIR  "uwplayer"
+#define UWP_CONFIG_FILE "uwplayer.properties"
+
+static void* player_bin_search_thread(void *data);
+
+static char *uwp_config_dir;
+static UcxMap *uwp_settings; 
+
+static int check_config_dir(void) {
+    char *home = getenv("HOME");
+    if(!home) {
+        return 1;
+    }
+    
+    char *cfg_dir = util_concat_path(home, CONFIG_BASE_DIR);
+    int ret = 0;
+    if(mkdir(cfg_dir, S_IRWXU)) {
+        if(errno != EEXIST) {
+            fprintf(stderr, "Error: Cannot access %s: %s\n", cfg_dir, strerror(errno));
+            ret = 1;
+        }
+    }
+    
+    if(!ret) {
+        uwp_config_dir = util_concat_path(cfg_dir, UWP_CONFIG_DIR);
+        if(mkdir(uwp_config_dir, S_IRWXU)) {
+            if(errno != EEXIST) {
+                fprintf(stderr, "Error: Cannot access %s: %s\n", uwp_config_dir, strerror(errno));
+                ret = 1;
+            }
+        }
+    }
+    
+    free(cfg_dir);
+    return ret;
+}
+
+int load_settings(void) {
+    if(check_config_dir()) {
+        return 1;
+    }
+    
+    uwp_settings = ucx_map_new(16);
+    
+    char *cfgfile_path = util_concat_path(uwp_config_dir, UWP_CONFIG_FILE);
+    FILE *cfgfile = fopen(cfgfile_path, "r");
+    free(cfgfile_path);
+    if(!cfgfile) return 0;
+    
+    int ret = 0;
+    if(ucx_properties_load(uwp_settings, cfgfile)) {
+        fprintf(stderr, "Error: Cannot read uwplayer settings\n");
+        ret = 1;
+    }
+    fclose(cfgfile);
+    
+    if(ret) {
+        return ret;
+    }
+    
+    // check if mpv or mplayer binaries are configured
+    char *player_bin = ucx_map_cstr_get(uwp_settings, UWP_PLAYER_BIN);
+    char *player_type = ucx_map_cstr_get(uwp_settings, UWP_PLAYER_TYPE);
+    
+    if(!player_bin) {
+        // try to find the mpv or mplayer binary path
+        pthread_t st;
+        pthread_create(&st, NULL, player_bin_search_thread, NULL);
+    } else if(!player_type) {
+        fprintf(stderr, "Warning: unknown player type (mplayer, mpv)\n");
+    }
+    
+    return 0;
+}
+
+static void* player_bin_search_thread(void *data) {
+    // TODO:
+    //printf("search\n");
+    
+    return NULL;
+}