From: Michael Tremer <michael.tremer@ipfire.org>
Date: Mon, 30 Jan 2023 02:26:41 +0000 (+0000)
Subject: networkd: Add scaffolding to read configuration files
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c81a6335fd0e1912fa3e8268ba85b9cd048cf243;p=people%2Fms%2Fnetwork.git

networkd: Add scaffolding to read configuration files

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/networkd/config.c b/src/networkd/config.c
index d18fb12b..e808531b 100644
--- a/src/networkd/config.c
+++ b/src/networkd/config.c
@@ -18,9 +18,11 @@
 #                                                                             #
 #############################################################################*/
 
+#include <stdio.h>
 #include <stdlib.h>
 
 #include "config.h"
+#include "logging.h"
 
 struct nw_config {
 	int nrefs;
@@ -56,3 +58,51 @@ struct nw_config* nw_config_unref(struct nw_config* config) {
 	nw_config_free(config);
 	return NULL;
 }
+
+static int nw_config_parse(struct nw_config* config, FILE* f) {
+	// XXX TODO
+
+	return 0;
+}
+
+int nw_config_readf(struct nw_config** config, FILE* f) {
+	int r;
+
+	// Create a new config object
+	r = nw_config_create(config);
+	if (r)
+		return r;
+
+	// Parse the configuration
+	r = nw_config_parse(*config, f);
+	if (r)
+		goto ERROR;
+
+	return 0;
+
+ERROR:
+	nw_config_free(*config);
+	return r;
+}
+
+int nw_config_read(struct nw_config** config, const char* path) {
+	FILE* f = NULL;
+	int r;
+
+	// Open the file
+	f = fopen(path, "r");
+	if (!f) {
+		ERROR("Could not read configuration file %s: %m\n", path);
+		r = 1;
+		goto ERROR;
+	}
+
+	// Read from file
+	r = nw_config_readf(config, f);
+
+ERROR:
+	if (f)
+		fclose(f);
+
+	return r;
+}
diff --git a/src/networkd/config.h b/src/networkd/config.h
index a8aed7f0..559ba948 100644
--- a/src/networkd/config.h
+++ b/src/networkd/config.h
@@ -28,4 +28,7 @@ int nw_config_create(struct nw_config** config);
 struct nw_config* nw_config_ref(struct nw_config* config);
 struct nw_config* nw_config_unref(struct nw_config* config);
 
+int nw_config_readf(struct nw_config** config, FILE* f);
+int nw_config_read(struct nw_config** config, const char* path);
+
 #endif /* NETWORKD_CONFIG_H */