From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sat, 11 Feb 2023 11:21:02 +0000 (+0000)
Subject: networkd: Perform port setup from configuration
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=827435c82f60ba1b7717d74faeac6cb6b85d6588;p=network.git

networkd: Perform port setup from configuration

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

diff --git a/src/networkd/port.c b/src/networkd/port.c
index 019521f6..f78489b0 100644
--- a/src/networkd/port.c
+++ b/src/networkd/port.c
@@ -18,10 +18,12 @@
 #                                                                             #
 #############################################################################*/
 
+#include <limits.h>
 #include <net/if.h>
 #include <stdlib.h>
 
 #include "config.h"
+#include "logging.h"
 #include "string.h"
 #include "port.h"
 
@@ -29,11 +31,31 @@ struct nw_port {
 	int nrefs;
 
 	char name[IF_NAMESIZE];
+	nw_port_type_t type;
 
 	// Configuration
 	struct nw_config *config;
 };
 
+static const struct nw_port_type_map {
+	nw_port_type_t type;
+	const char* name;
+} nw_port_type_map[] = {
+	{ NW_PORT_DUMMY, "dummy" },
+	{ NW_PORT_UNKNOWN, NULL },
+};
+
+static nw_port_type_t nw_port_type_from_string(const char* s) {
+	const struct nw_port_type_map* map = NULL;
+
+	for (map = nw_port_type_map; *map->name; map++) {
+		if (strcmp(map->name, s) == 0)
+			return map->type;
+	}
+
+	return NW_PORT_UNKNOWN;
+}
+
 static void nw_port_free(struct nw_port* port) {
 	if (port->config)
 		nw_config_unref(port->config);
@@ -41,6 +63,55 @@ static void nw_port_free(struct nw_port* port) {
 	free(port);
 }
 
+static int nw_port_setup_common(struct nw_port* port) {
+	return 0; // XXX TODO
+}
+
+static nw_port_type_t nw_port_setup_type(struct nw_port* port) {
+	const char* type = nw_config_get(port->config, "TYPE");
+	if (!type)
+		return NW_PORT_UNKNOWN;
+
+	return nw_port_type_from_string(type);
+}
+
+static int nw_port_setup(struct nw_port* port) {
+	char path[PATH_MAX];
+	int r;
+
+	// Compose the path to the main configuration file
+	r = nw_path_join(path, PORT_CONFIG_DIR, port->name);
+	if (r)
+		return r;
+
+	// Initialize the configuration
+	r = nw_config_create(&port->config, path);
+	if (r)
+		return r;
+
+	// Determine type
+	port->type = nw_port_setup_type(port);
+	if (!port->type) {
+		ERROR("Could not determine type of port %s\n", port->name);
+		return 0;
+	}
+
+	// Perform some common initialization
+	r = nw_port_setup_common(port);
+	if (r)
+		return r;
+
+	// Call any custom initialization
+	switch (port->type) {
+		// These do not need any special initialization
+		case NW_PORT_DUMMY:
+		case NW_PORT_UNKNOWN:
+			break;
+	}
+
+	return 0;
+}
+
 int nw_port_create(struct nw_port** port, const char* name) {
 	int r;
 
@@ -57,6 +128,11 @@ int nw_port_create(struct nw_port** port, const char* name) {
 	if (r)
 		goto ERROR;
 
+	// Setup the port
+	r = nw_port_setup(p);
+	if (r)
+		goto ERROR;
+
 	*port = p;
 	return 0;
 
diff --git a/src/networkd/port.h b/src/networkd/port.h
index 250a694c..af7fbddd 100644
--- a/src/networkd/port.h
+++ b/src/networkd/port.h
@@ -23,6 +23,11 @@
 
 #define PORT_CONFIG_DIR			CONFIG_DIR "/ports"
 
+typedef enum nw_port_type {
+	NW_PORT_UNKNOWN = 0,
+	NW_PORT_DUMMY,
+} nw_port_type_t;
+
 struct nw_port;
 
 int nw_port_create(struct nw_port** port, const char* name);