from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
import socket
import cgi
import json
import time
import os.path
import threading

TELNET_HOST = 'localhost'
TELNET_PORT = 4243

DOCROOT = '/var/tmp/blup2/blayer-webif'
UPLOAD_DIR = '/var/tmp/blup2/blm/incoming'

sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((TELNET_HOST, TELNET_PORT))
socklock = threading.Lock()

class HTTPRequestHandler(BaseHTTPRequestHandler):
	def do_GET(self):
		self.send_response(200)
		self.send_header('Content-type', 'text/html')
		self.end_headers()
		print self.path
		#self.wfile.write('<form action="bla" method="post"><input type="text" name="text" /><input type="submit" value="ok" /></form>')

		p = os.path.join(DOCROOT, self.path[1:])
		print p
		if os.path.isfile(p):
			f = open(p, 'r')
			data = f.read()
			f.close()
			self.wfile.write(data)


	
	def do_POST(self):

		if self.path == '/do_upload':
			formdata = cgi.FieldStorage(
				fp=self.rfile, headers=self.headers,
				environ={'REQUEST_METHOD': 'POST', 'CONTENT_TYPE': self.headers['Content-Type']})
			
			fileField = formdata['file']

			f = open(os.path.join(UPLOAD_DIR, fileField.filename), 'w')
			f.write(fileField.file.read())
			f.close()

			sock.send(json.dumps({"cmd": "refresh"}) + '\n')
			print 'server answer to refresh cmd: ', sock.recv(1024)

			self.send_response(200);
			self.end_headers();

			return

		postdata = self.rfile.read(int(self.headers.getheader('content-length')))
		#self.wfile.write('test')

		if postdata[-1:] != '\n':
			postdata += '\n'
		print 'postdata:', postdata

		with socklock:
			sock.send(postdata)
			time.sleep(0.1)
			resp = sock.recv(1024 * 10)
		#sock.shutdown(socket.SHUT_RDWR)
		#sock.close()

		self.send_response(200)
		self.send_header('Content-type', 'text/html')
		self.send_header('Content-length', len(resp))
		self.end_headers()
		print 'resp:', resp
		self.wfile.write(resp)



server = HTTPServer(('0.0.0.0',8080), HTTPRequestHandler) 
server.serve_forever()