nfs4: Implement nfs4_mount() procedure

src/add-ons/kernel/file_systems/nfs4/Inode.cpp

@@ -26,7 +26,7 @@ Inode::Inode(Filesystem* fs, const Filehandle &fh)
 	RequestBuilder req(ProcCompound);
 	req.PutFH(fh);
 
-	Attribute attr[] = { FATTR4_FILEID };
+	Attribute attr[] = { FATTR4_TYPE, FATTR4_FILEID };
 	req.GetAttr(attr, sizeof(attr) / sizeof(Attribute));
 
 	RPC::Reply *rpl;
@@ -41,14 +41,17 @@ Inode::Inode(Filesystem* fs, const Filehandle &fh)
 	AttrValue* values;
 	uint32 count;
 	result = reply.GetAttr(&values, &count);
-	if (result != B_OK)
+	if (result != B_OK || count < 1)
 		return;
 
-	if (count < 1 || values[0].fAttribute != FATTR4_FILEID) {
+	if (count < 2 || values[1].fAttribute != FATTR4_FILEID) {
 		// Server does not provide fileid. We need to make something up.
 		fFileId = fs->GetId();
 	} else
-		fFileId = values[0].fData.fValue64;
+		fFileId = values[1].fData.fValue64;
+
+	// FATTR4_TYPE is mandatory
+	fType = values[0].fData.fValue32;
 
 	delete values;
 }

src/add-ons/kernel/file_systems/nfs4/Inode.h

@@ -20,9 +20,11 @@ public:
 						Inode(Filesystem* fs, const Filehandle &fh);
 
 	inline	ino_t		ID() const;
+	inline	mode_t		Type() const;
 
 private:
 			uint64		fFileId;
+			uint32		fType;
 
 			Filehandle	fHandle;
 			Filesystem*	fFilesystem;
@@ -40,5 +42,12 @@ Inode::ID() const
 }
 
 
+inline mode_t
+Inode::Type() const
+{
+	return sNFSFileTypeToHaiku[fType];
+}
+
+
 #endif	// INODE_H
 

src/add-ons/kernel/file_systems/nfs4/NFS4Defs.h

@@ -9,6 +9,8 @@
 #define NFS4DEFS_H
 
 
+#include <sys/stat.h>
+
 #include <SupportDefs.h>
 
 
@@ -104,6 +106,23 @@ enum Attribute {
 	FATTR4_MOUNTED_ON_FILEID	= 55
 };
 
+enum FileType {
+	NF4REG			= 1,    /* Regular File */
+	NF4DIR			= 2,    /* Directory */
+	NF4BLK			= 3,    /* Special File - block device */
+	NF4CHR			= 4,    /* Special File - character device */
+	NF4LNK			= 5,    /* Symbolic Link */
+	NF4SOCK			= 6,    /* Special File - socket */
+	NF4FIFO			= 7,    /* Special File - fifo */
+	NF4ATTRDIR		= 8,    /* Attribute Directory */
+	NF4NAMEDATTR	= 9     /* Named Attribute */
+};
+
+static const mode_t sNFSFileTypeToHaiku[] = {
+	S_IFREG, S_IFDIR, S_IFBLK, S_IFCHR, S_IFLNK, S_IFSOCK, S_IFIFO, S_IFDIR,
+	S_IFREG
+};
+
 enum FileHandleExpiryType {
 	FH4_PERSISTENT			= 0x00,
 	FH4_NOEXPIRE_WITH_OPEN	= 0x01,

src/add-ons/kernel/file_systems/nfs4/kernel_interface.cpp

@@ -11,10 +11,11 @@
 
 #include "Connection.h"
 #include "RPCServer.h"
-
-
-#define NFS_PROC_NULL		0
-#define NFS_PROC_COMPOUND	1
+#include "NFS4Defs.h"
+#include "Inode.h"
+#include "RequestBuilder.h"
+#include "ReplyInterpreter.h"
+#include "Filesystem.h"
 
 
 extern fs_volume_ops gNFSv4VolumeOps;
@@ -31,30 +32,33 @@ static status_t
 nfs4_mount(fs_volume* volume, const char* device, uint32 flags,
 			const char* args, ino_t* _rootVnodeID)
 {
-	dprintf("NFS4 Mounting...\n");
+	status_t result;
 
-	RPC::Server *s;
+	RPC::Server *server;
 	// hardcoded ip 192.168.1.70
-	gRPCServerManager->Acquire(&s, 0xc0a80146, 2049, ProtocolTCP);
+	result = gRPCServerManager->Acquire(&server, 0xc0a80146, 2049, ProtocolUDP);
+	if (result != B_OK)
+		return result;
 	
-	RPC::Reply *r;
-	RPC::Call *c = RPC::Call::Create(NFS_PROC_NULL, RPC::Auth::CreateSys(),
-										RPC::Auth::CreateNone());
-	s->SendCall(c, &r);
-	delete r;
-	delete c;
-	gRPCServerManager->Release(s);
+	Filesystem* fs;
+	// hardcoded path
+	result = Filesystem::Mount(&fs, server, "haiku/src/add-ons/kernel");
+	if (result != B_OK) {
+		gRPCServerManager->Release(server);
+		return result;
+	}
 
+	Inode* inode = fs->CreateRootInode();
+
+	volume->private_volume = fs;
 	volume->ops = &gNFSv4VolumeOps;
 
-	status_t error = publish_vnode(volume, 0, (void*)0xdeadbeef,
-									&gNFSv4VnodeOps, S_IFDIR, 0);
-	if (error != B_OK)
-		return error;
+	result = publish_vnode(volume, inode->ID(), inode, &gNFSv4VnodeOps,
+							inode->Type(), 0);
+	if (result != B_OK)
+		return result;
 
-	*_rootVnodeID = 0;
-
-	dprintf("NFS4 Mounted\n");
+	*_rootVnodeID = inode->ID();
 
 	return B_OK;
 }