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Refactoring Client to have StringStack instead of stack

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This commit is contained in:
Denis-Cosmin Nutiu 2017-11-23 21:18:20 +02:00
parent 13a2d7db65
commit 6d96530227
2 changed files with 6 additions and 20 deletions
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22
server/server/commands.go
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@ -18,12 +18,7 @@ func GetFile(c Client, path string) (int, error) {
return 0, ErrSlashNotAllowed
}
stack, ok := c.Stack().(*StringStack)
if !ok {
return 0, ErrStackCast
}
file, err := os.Open(MakePathFromStringStack(stack) + fileName)
file, err := os.Open(MakePathFromStringStack(c.Stack()) + fileName)
if err != nil {
log.Println(err.Error())
return 0, err
@ -68,12 +63,8 @@ func sanitizeFilePath(path string) (string, bool) {
// ListFiles list the files from path and sends them to the connection
func ListFiles(c Client) error {
stack, ok := c.Stack().(*StringStack)
if !ok {
return ErrStackCast
}
files, err := ioutil.ReadDir(MakePathFromStringStack(stack))
files, err := ioutil.ReadDir(MakePathFromStringStack(c.Stack()))
if err != nil {
return err
}
@ -110,17 +101,12 @@ func ChangeDirectoryCommand(c Client, directory string) error {
return ErrSlashNotAllowed
}
stack, ok := c.Stack().(*StringStack)
if !ok {
return ErrStackCast
}
if path == "." {
err = nil
} else if path == ".." {
err = ChangeDirectoryToPrevious(stack)
err = ChangeDirectoryToPrevious(c.Stack())
} else {
err = ChangeDirectory(stack, path)
err = ChangeDirectory(c.Stack(), path)
}
return err

4
server/server/connection.go
View file

@ -18,7 +18,7 @@ type Client interface {
Connection() net.Conn // Connection returns the connection stream.
SetConnection(conn net.Conn) // SetConnection sets the connection for the client.
Disconnect() // Disconnect closes the Client's connections and clears up resources.
Stack() Stack // Returns the underlying String Stack.
Stack() *StringStack // Returns the underlying String Stack.
}
// FTPClient represents a FTPClient connection, it holds a root cage and the underlying connection.
@ -28,7 +28,7 @@ type FTPClient struct {
}
// Stack returns the root cage stack.
func (c *FTPClient) Stack() Stack {
func (c *FTPClient) Stack() *StringStack {
return c.rootCage
}