#!/usr/bin/python
"""Copyright 2008 Orbitz WorldWide

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License."""

import sys
import time
import os
import platform 
import subprocess
from socket import socket
import time
import csv

def str_to_ts(date_str):
	format_list = ["%m/%d/%Y %H:%M:%S", "%m/%d/%Y", "%Y/%m/%d %H:%M", "%Y/%b/%d %H:%M", "%Y-%m-%dT%H"]
	ts = -1

	for format in format_list:
		try:
			if date_str.find('.') == -1:
				ts = time.mktime(time.strptime(date_str, format))
			else:
				ts = time.mktime(time.strptime(date_str[:date_str.find('.')], format))
			break
		except:
			continue

	if ts == -1:
		raise Exception("No time format to convert date_str: %s" % date_str)

	return ts

def connect_to_carbon(server, port):
	sock = socket()
	try:
		sock.connect( (server,port) )
	except:
		print "Couldn't connect to %(server)s on port %(port)d, is carbon-agent.py running?" % { 'server':server, 'port':port}
		sys.exit(1)
	return sock

def main():

	from optparse import OptionParser
	parser = OptionParser()
	
	parser.set_defaults(target="",
						date=None,
						value=None,
						datefield=0,
						valuefield=1,
						file=None)

	parser.add_option("", "--target",   dest="target", help="")
	parser.add_option("", "--date",	 dest="date", help="")
	parser.add_option("", "--value",	dest="value", help="")
	parser.add_option("", "--datefield", dest="datefield", help="")
	parser.add_option("", "--valuefield", dest="valuefield", help="")
	parser.add_option("", "--file",	 dest="file", )

	(config, args) = parser.parse_args()
	if len(sys.argv) == 1:
		parser.print_help()
		sys.exit(1)


	#print "connecting..."
	CARBON_SERVER = 'HOSTNAME'
	CARBON_PORT = 2003
	sock = connect_to_carbon(CARBON_SERVER, CARBON_PORT)

	if config.file:
		csvfile = csv.reader(open(config.file, 'r'), delimiter=',', quotechar='|')
		first_line=True
	else:
		csvfile = [(config.date, config.value)]
		first_line=False

	#print csvfile
	for line in csvfile:
		if first_line:
			first_line = False
		else:
			t = line[int(config.datefield)]
			v = line[int(config.valuefield)]

			#print t
			#print v
			ts = str_to_ts(t)

			message = "%s %s %d\n" % (config.target, v,ts)
			print "\t" + message[:-1]
			sock.sendall(message)

if __name__ == "__main__":
	main()