Bemanitools v5.26 release

src/main/cconfig/cconfig-hook.c

@@ -0,0 +1,96 @@
+#include <string.h>
+
+#include "cconfig/cconfig-util.h"
+#include "cconfig/cmd.h"
+#include "cconfig/conf.h"
+
+#include "cconfig/cconfig-hook.h"
+
+#include "util/cmdline.h"
+#include "util/log.h"
+
+bool cconfig_hook_config_init(struct cconfig* config, const char* usage_header, 
+        enum cconfig_cmd_usage_out cmd_usage_out)
+{
+    bool success;
+    int argc;
+    char **argv;
+    enum cconfig_conf_error conf_error;
+    char* config_path;
+
+    success = true;
+
+    args_recover(&argc, &argv);
+
+    for (int i = 0; i < argc; i++) {
+        if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
+            goto failure_usage;
+        }
+    }
+
+    config_path = NULL;
+
+    for (int i = 0; i < argc; i++) {
+        if (!strcmp(argv[i], "--config")) {
+            if (i + 1 >= argc) {
+                log_fatal("--config parameter not followed by a config file "
+                    "path param");
+                goto failure;
+            } 
+
+            config_path = argv[i + 1];
+
+            break;
+        }
+    }
+    
+    if (config_path) {
+        log_misc("Loading config file: %s", config_path);
+        conf_error = cconfig_conf_load_from_file(config, config_path, false);
+
+        if (conf_error == CCONFIG_CONF_ERROR_NO_SUCH_FILE) {
+            /* Create default config */
+            if (cconfig_conf_save_to_file(config, config_path) != 
+                    CCONFIG_CONF_SUCCESS) {
+                log_fatal("Creating default config file '%s' failed", 
+                    config_path);
+                goto failure;
+            } else {
+                log_info("Default configuration '%s' created. Restart "
+                    "application", config_path);
+                goto failure;
+            }
+        } else if (conf_error != CCONFIG_CONF_SUCCESS) {
+            log_fatal("Error loading config file '%s': %d", config_path, 
+                conf_error);
+            goto failure;
+        }
+
+        log_misc("Config state after file loading:");
+        cconfig_util_log(config, log_impl_misc);
+    }
+
+    log_misc("Parsing override config parameters from cmd");
+
+    /* Override defaults or values loaded from file with values from cmd */
+    if (!cconfig_cmd_parse(config, "-p", argc, argv, false)) {
+        log_fatal("Error parsing cmd args for config values");
+        goto failure_usage;
+    }
+
+    log_misc("Config state after cmd parameter overrides:");
+    cconfig_util_log(config, log_impl_misc);
+
+    goto success;
+
+failure_usage:
+    cconfig_cmd_print_usage(config, usage_header, cmd_usage_out);
+
+failure:
+    success = false;
+
+success:
+    args_free(argc, argv);
+
+    return success;
+}