Better checking these than lost them one day...

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3259 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-05-20 00:03:46 +00:00
parent 2dd47f63b5
commit 301e81d7a5
24 changed files with 4421 additions and 0 deletions
@@ -0,0 +1,150 @@
+/* stack.c */
+
+/* This the heart of network stack
+ */
+
+#include <stdio.h>
+
+#include <drivers/module.h>
+#include <drivers/KernelExport.h>
+
+#include "net_stack.h"
+#include "memory_pool.h"
+
+#include "datalink.h"
+#include "data.h"
+#include "timer.h"
+
+/* Defines we need */
+#define NETWORK_INTERFACES	"network/interfaces"
+#define NETWORK_PROTOCOLS	"network/protocols"
+#define PPP_DEVICES "ppp/devices"
+
+struct memory_pool_module_info *g_memory_pool = NULL;
+static bool g_started = false;
+
+status_t 		std_ops(int32 op, ...);
+
+static status_t start(void);
+static status_t stop(void);
+
+
+static status_t start(void)
+{
+	if (g_started)
+		return B_OK;
+
+	puts("stack: starting...");
+
+	start_data_service();
+	start_timers_service();
+
+	start_datalink_layer();
+
+	puts("stack: started.");
+	g_started = true;
+
+	return B_OK;
+}
+
+static status_t stop(void)
+{
+	puts("stack: stopping...");
+
+	stop_datalink_layer();
+
+	stop_timers_service();
+	stop_data_service();
+
+
+	puts("stack: stopped.");
+	g_started = false;
+			
+	return 0;
+}
+
+// #pragma mark -
+
+struct net_stack_module_info nsmi = {
+	{
+		NET_STACK_MODULE_NAME,
+		0, // B_KEEP_LOADED,
+		std_ops
+	},
+
+	start,
+	stop,
+	
+	// Data-Link layer
+	register_interface,
+	unregister_interface,
+	
+	// net_data support
+	new_data,
+	delete_data,
+	duplicate_data,
+	clone_data,
+	
+	prepend_data,
+	append_data,
+	insert_data,
+	remove_data,
+
+	add_data_free_node,
+	
+	copy_from_data,
+
+	dump_data,
+	
+	// net_data_queue support
+	new_data_queue,
+	delete_data_queue,
+	empty_data_queue,
+	enqueue_data,
+	dequeue_data,
+	
+	// Timers support
+	new_net_timer,
+	delete_net_timer,
+	start_net_timer,
+	cancel_net_timer,
+	get_net_timer_appointment
+};
+
+status_t std_ops(int32 op, ...) 
+{
+	status_t	status;
+
+	switch(op) {
+		case B_MODULE_INIT:
+			printf("stack: B_MODULE_INIT\n");
+			load_driver_symbols("stack");
+			status = get_module(MEMORY_POOL_MODULE_NAME, (module_info **) &g_memory_pool);
+			if (status != B_OK)
+				return status;
+				
+			// Re-publish memory_pool module api thru our
+			nsmi.new_pool 			= g_memory_pool->new_pool;
+			nsmi.delete_pool 		= g_memory_pool->delete_pool;
+			nsmi.new_pool_node		= g_memory_pool->new_pool_node;
+			nsmi.delete_pool_node	= g_memory_pool->delete_pool_node;
+			nsmi.for_each_pool_node	= g_memory_pool->for_each_pool_node;
+			break;
+
+		case B_MODULE_UNINIT:
+			// the stack is keeping loaded, so don't stop it
+			printf("stack: B_MODULE_UNINIT\n");
+			put_module(MEMORY_POOL_MODULE_NAME);
+			break;
+
+		default:
+			return B_ERROR;
+	}
+	return B_OK;
+}
+
+_EXPORT module_info *modules[] = {
+	(module_info *) &nsmi, 	// net_stack_module_info
+	NULL
+};
+