Add files via upload

Author: pnikitakis

demo.py

@@ -0,0 +1,62 @@
+import nfs_proto as nfs
+import os
+import os.path
+
+ip = input('Give server IP: ')
+port = input('Give server port: ')
+
+nfs.mynfs_set_srv_addr(ip, int(port))
+
+while True:
+	command = input('\n---\nGive command\no : open \nr : read\nw : write\ns : seek\nc : close\n')
+	if command == 'o':
+		fname = input('Give file name: ')
+		flags = input('Give flags: ')
+		fd = nfs.mynfs_open(fname, flags)
+		if fd == -1:
+			print('\nContinuing with the next command\n\n')
+			continue
+		else:
+			print('\nFile ['+ fname +'] opened, with fd = ' + str(fd))
+	elif command == 'r':
+		tmp_fd = input('Give fd: ')
+		bytesToRead = input('Give number of bytes to read: ')
+		bytesToRead = int(bytesToRead)
+		data = nfs.mynfs_read(tmp_fd ,'', bytesToRead)
+		if data == -1:
+			print('\nContinuing with the next command\n\n')
+			continue
+		print('\nData recieved: ', data)
+			
+	elif command == 'w':
+		tmp_fd = input('Give fd: ')
+		tmp_fd = int(tmp_fd)
+		inp = input('Give input: ')
+		numBytes = input('Give number of bytes to write: ')
+		numBytes = int(numBytes)
+		isFile = os.path.isfile(inp) 
+		if isFile == True:
+			f = open(inp, 'rb')
+			bytesToWrite = f.read(numBytes)
+		else:
+			bytesToWrite = inp[:numBytes]
+		numofb = nfs.mynfs_write(tmp_fd, bytesToWrite, len(bytesToWrite))
+		if numofb == -1:
+			print('\nContinuing with the next command\n\n')
+			continue
+		else:
+			print('Bytes written in file: ', numofb)
+	elif command == 's':
+		tmp_fd = input('Give fd: ')
+		whence = input('Give whence:\n0 : SEEK_START\n1 : SEEK_CURR\n2 : SEEK_END\n')
+		whence = int(whence)
+		bytesoffset = input('Give bytes offset: ')
+		bytesoffset = int(bytesoffset)
+		nfs.mynfs_seek(tmp_fd, bytesoffset, whence)
+		
+	elif command == 'c':
+		tmp_fd = input('Give fd: ')
+		tmp_fd = int(tmp_fd)
+		nfs.mynfs_close(tmp_fd)
+
+