From daa68c4b2de9814b8331e7b9079d5fc49bee35c1 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sat, 5 Jan 2019 22:06:45 +0100
Subject: Add first parts of interface config handling

---
 src/config-process.c | 135 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 src/config-process.c

(limited to 'src/config-process.c')

diff --git a/src/config-process.c b/src/config-process.c
new file mode 100644
index 0000000..e71b228
--- /dev/null
+++ b/src/config-process.c
@@ -0,0 +1,135 @@
+#include "config-process.h"
+#include "device.h"
+#include "keywords.h"
+#include "util.h"
+
+#include <libubox/avl-cmp.h>
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+typedef struct _process_ctx {
+	struct avl_tree *ret;
+} process_ctx_t;
+
+typedef struct _config_subtype {
+	struct avl_node node;
+} config_subtype_t;
+
+void config_object_free(config_object_t *obj) {
+	free_ini_file(obj->data);
+	free(obj->type);
+	free(NODE_NAME(obj));
+	free(obj);
+}
+
+static bool subtype_supported(const process_ctx_t *ctx, const char *type) {
+	switch (lookup_keyword(type)) {
+	case KW_Properties:
+	case KW_Generate:
+	case KW_Static:
+	case KW_DHCP:
+	case KW_DHCPv6:
+		return true;
+
+	default:
+		return avl_find(ctx->ret, type);
+	}
+}
+
+static config_subtype_t * config_process_subtype(const process_ctx_t *ctx, config_object_t *obj) {
+	ini_section_t *section;
+	list_for_each_entry(section, &obj->data->sections, node) {
+		printf("%s %s %i\n", NODE_NAME(obj), section->name, subtype_supported(ctx, section->name));
+
+		if (!subtype_supported(ctx, section->name))
+			return NULL;
+	}
+
+	config_subtype_t *ret = calloc(1, sizeof(*ret));
+	if (!ret)
+		return NULL;
+
+	char *name = strdup(NODE_NAME(obj));
+	if (!name) {
+		free(ret);
+		return NULL;
+	}
+
+	NODE_NAME(ret) = name;
+
+	return ret;
+}
+
+struct avl_tree * config_process_subtypes(struct avl_tree *sub) {
+	process_ctx_t ctx;
+	ctx.ret = calloc(1, sizeof(*ctx.ret));
+	if (!ctx.ret)
+		return NULL;
+
+	avl_init(ctx.ret, avl_strcmp, false, NULL);
+
+	while (true) {
+		size_t processed = 0;
+
+		config_object_t *obj, *tmp;
+		avl_for_each_element_safe(sub, obj, node, tmp) {
+			config_subtype_t *t = config_process_subtype(&ctx, obj);
+			if (!t)
+				continue;
+
+			avl_delete(sub, &obj->node);
+			config_object_free(obj);
+
+			avl_insert(ctx.ret, &t->node);
+
+			processed++;
+		}
+
+		if (!processed)
+			break;
+	}
+
+	return ctx.ret;
+}
+
+static device_t * config_process_device(config_object_t *obj) {
+	const device_type_t *type = get_device_type(obj->type);
+
+	assert(type != NULL);
+
+	return type->process_config(NODE_NAME(obj), obj->data);
+}
+
+struct avl_tree * config_process_devices(struct avl_tree *devices) {
+	process_ctx_t ctx;
+	ctx.ret = calloc(1, sizeof(*ctx.ret));
+	if (!ctx.ret)
+		return NULL;
+
+	avl_init(ctx.ret, avl_strcmp, false, NULL);
+
+	while (true) {
+		size_t processed = 0;
+
+		config_object_t *obj, *tmp;
+		avl_for_each_element_safe(devices, obj, node, tmp) {
+			device_t *device = config_process_device(obj);
+			if (!device)
+				continue;
+
+			avl_delete(devices, &obj->node);
+			config_object_free(obj);
+
+			avl_insert(ctx.ret, &device->node);
+
+			processed++;
+		}
+
+		if (!processed)
+			break;
+	}
+
+	return ctx.ret;
+}
-- 
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