/
www.py
executable file
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/
www.py
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#!/usr/bin/python
# coding: utf-8
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
import sys
import time
from daemon import Daemon
from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
from SocketServer import ThreadingMixIn
import threading
import cgi
import string, sys, time
import os
from cv2 import cv
#import Image, ImageDraw, ImageFont
#import StringIO
#my import
from const import *
from robot import Robot
from config import Config
#cam property
#see server.conf
ResMode = ((352, 288), (640, 480), (1280,1024))
textColor = cv.RGB(255,255,255)
#Web Port
#see server.conf
refreshTime = 5 #every xx sec
#DIRS
#see server.conf
class MyHandler(BaseHTTPRequestHandler):
def do_HEAD(self):
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
def do_AUTHHEAD(self):
if self.path == "/":
self.send_response(401)
self.send_header('WWW-Authenticate', 'Basic realm=\"Robot control\"')
else:
self.send_response(200)
def do_Auth(self):
if self.headers.get('Authorization') == 'Basic YWRtaW46cXdlcnR5':
return True
else:
self.do_AUTHHEAD()
self.log_error('[AUTH] Не авторизирован')
return False
def showAuthResult(self,message):
self.send_header('Content-type', 'text/html')
self.end_headers()
self.wfile.write('<html>')
self.wfile.write('<head>')
self.wfile.write('<meta content="text/html; charset=UTF-8" http-equiv="content-type">')
self.wfile.write('<title>Авторизация</title>')
self.wfile.write('</head>')
self.wfile.write('<body>')
self.wfile.write('<p>')
self.wfile.write(message)
self.wfile.write('</p>')
self.wfile.write('</body>')
self.wfile.write('</html>')
def showPage(self,method,get_data,post_data):
if get_data.get('action') != None:
action = get_data.get('action')[0]
else: action = None
if action == "mjpeg": #отдать mjpeg-поток
self.send_response(200)
self.wfile.write("Content-Type: multipart/x-mixed-replace; boundary=--aaboundary")
self.wfile.write("\r\n\r\n")
if not self.server.capture:
return
t = time.time()
frameCount = 0
frameFps = 0
frameSize = 0
frameSpeed = 0
self.log_error("[WEBCAM] start while")
#Пока Сервер запущен
while self.server.run:
#try:
frameCount = frameCount + 1
img = cv.QueryFrame(self.server.capture)
text = time.strftime("%d/%m/%Y %H:%M:%S",time.localtime())
textSize, baseline = cv.GetTextSize(text,self.server.font)
cv.PutText(img,text, (textSize[1],2*textSize[1]),self.server.font, textColor)
text = str(frameSpeed)+"kb/s"
text = text +" "+str(frameFps)+"fps"
textSize, baseline = cv.GetTextSize(text,self.server.font)
cv.PutText(img,text, (self.server.camWidth-textSize[0]-textSize[1],self.server.camHeight-textSize[1]), self.server.font, textColor)
cv2mat=cv.EncodeImage(".jpeg",img,(cv.CV_IMWRITE_JPEG_QUALITY,self.server.camQlt))
JpegData=cv2mat.tostring()
self.wfile.write("--aaboundary\r\n")
self.wfile.write("Content-Type: image/jpeg\r\n")
self.wfile.write("Content-length: "+str(len(JpegData))+"\r\n\r\n" )
self.wfile.write(JpegData)
self.wfile.write("\r\n\r\n\r\n")
if time.time() - t > refreshTime : #every Step sec
t = time.time()
frameFps = round(frameCount/refreshTime,1)
frameCount = 0
frameSize = len(JpegData)/1024
frameSpeed = int(8*len(JpegData)*frameFps/1024)
text = u'Захват %s к/с' % str(frameFps)
text = text + u', размер изображения: '+str(frameSize)+u'кБ'
text = text + u', скорость захвата: '+str(frameSpeed)+u'кб/с'
self.log_error('[WEBCAM] ' + text)
#if not self.do_Auth():
#self.log_error(u'Не авторизирован')
#break
#time.sleep(0.05)
cv.WaitKey(20)
#except:
#time.sleep(1)
#break
self.log_error("[WEBCAM] stop while")
elif action == "jpeg": #Отдать один кадр JPEG
self.send_response(200)
self.send_header('Content-type','image/jpeg')
self.end_headers()
img = cv.QueryFrame(self.server.capture)
text = time.strftime("%d/%m/%Y %H:%M:%S",time.localtime())
textSize, baseline = cv.GetTextSize(text,self.server.font)
cv.PutText(img,text, (textSize[1],2*textSize[1]),self.server.font, textColor)
cv2mat=cv.EncodeImage(".jpeg",img,(cv.CV_IMWRITE_JPEG_QUALITY,self.server.camQlt))
JpegData=cv2mat.tostring()
self.wfile.write(JpegData)
elif action == "temperature": #Вернуть температуру
text = self.server.robot.get_temperature()
self.wfile.write(text)
elif action == "pressure": #Вернуть давление
temp = int(self.server.robot.get_pressure())
text = str(int(temp/133.33))
self.wfile.write(text)
elif self.path != "/": #Вернуть файл
#Проверка что файл разрешен
if file_allow(self.path):
try:
f = open(self.server.Config.www_home + self.path)
self.send_response(200)
self.send_header('Content-type',file_type(self.path))
self.end_headers()
self.wfile.write(f.read())
f.close()
except IOError:
self.send_error(404,u'Файл не найден: %s' % self.path)
else: #Файл не разрешен
self.send_error(404,u'Файл не найден: %s' % self.path)
else: #Главная страница
try:
f = open(self.server.Config.www_home + '/' + self.server.Config.www_main)
self.send_response(200)
self.send_header('Content-type',"text/html")
self.end_headers()
self.wfile.write(f.read())
f.close()
except IOError:
self.send_error(404, u'Файл не найден: %s' % self.path)
def do_GET(self):
#GET
get_data = cgi.parse_qs(self.path[2:])
#Вернем action
if get_data.get('action') != None:
action = get_data.get('action')[0]
else: action = None
#Проверка авторизации
if not self.do_Auth():
#если запрос на получение температуры или давнения, то вернуть пусто
if action != "temperature" and action != "pressure":
self.showAuthResult(u'Не авторизирован')
else:
self.wfile.write('0')
return
#Обработать запрос
self.showPage('GET',get_data,{})
def do_POST(self):
if not self.do_Auth():
self.showAuthResult(u'Не авторизирован')
return
#GET
get_data = cgi.parse_qs(self.path[2:])
cl, cl2 = cgi.parse_header(self.headers.get('content-length'))
qs = self.rfile.read(int(cl))
post_data = cgi.parse_qs(qs.decode())
#Разрешение кадра с камеры
if post_data.get('resolution') != None:
if (len(post_data.get('resolution')) > 0):
mode = post_data.get('resolution')[0]
if ((mode >= "0") and (mode <= "2")):
self.server.SetResolution(int(mode))
else:
None
return
#Комманды
if post_data.get('action') != None:
cmd = post_data.get('action')[0]
result = self.server.robot.sendCommand(cmd)
self.wfile.write(result)
self.log_error("[COMMAND] %s" % result)
return
#Обработать запрос
self.showPage('GET',get_data,post_data)
class ThreadedHTTPServer(ThreadingMixIn, HTTPServer):
#Handle requests in a separate thread.
def __init__(self,handler, Config):
self.Config = Config
HTTPServer.__init__(self,(Config.www_host,Config.www_port),handler)
self.run = False
self.timeout = 1 #XXX sec timeout
self.socket.settimeout(1)
self.capture = None
self.font = None
self.camNum = self.Config.cam_num
self.camMode = self.Config.cam_mode
self.camFps = self.Config.cam_fps
self.camQlt = self.Config.cam_quality
#Инициализация робота
self.robot = Robot(Config.robot_port, Config.robot_baudrate)
def CamStart(self):
self.capture = cv.CaptureFromCAM(self.camNum)
#Пробуем захватить кадр
try:
cv.QueryFrame(self.capture)
except:
self.capture = None
#print cv.GetCaptureProperty(self.capture, cv.CV_CAP_PROP_FPS)
#print cv.GetCaptureProperty(self.capture,cv.CV_CAP_PROP_FRAME_WIDTH)
#print cv.GetCaptureProperty(self.capture,cv.CV_CAP_PROP_FRAME_HEIGHT)
if not self.capture:
sys.stderr.write(u'[WEBCAM] Ошибка открытия\r')
return
sys.stderr.write(u'[WEBCAM] Начало захвата\r')
cv.SetCaptureProperty(self.capture,cv.CV_CAP_PROP_FPS,self.camFps)
self.SetResolution(self.camMode)
def CamStop(self):
if not self.capture:
del self.capture
sys.stderr.write(u'[WEBCAM] Конец захвата\r')
def SetResolution(self, mode):
self.camWidth, self.camHeight = ResMode[mode]
cv.SetCaptureProperty(self.capture,cv.CV_CAP_PROP_FRAME_WIDTH,self.camWidth)
cv.SetCaptureProperty(self.capture,cv.CV_CAP_PROP_FRAME_HEIGHT,self.camHeight)
self.font = cv.InitFont(cv.CV_FONT_HERSHEY_SIMPLEX, 0.5*(mode+1), 0.5*(mode+1), 0, mode+1, 8)
def Start(self):
self.CamStart()
self.run = True
#self.serve_forever()
def Stop(self):
self.run = False
self.shutdown()
time.sleep(1)
self.socket.close()
self.CamStop()
self.robot.close()
class MyDaemon(Daemon):
def __init__(self,Config):
self.Config = Config
pidfile = Config.pid_filename
stdin = '/dev/null'
stdout = '/dev/null'
stderr = '/dev/null'
if Config.log_filename != "":
stderr = Config.log_filename
Daemon.__init__(self, pidfile, stdin, stdout, stderr)
def run(self):
server = ThreadedHTTPServer(MyHandler, self.Config)
server.Start()
while True:
server.handle_request()
#time.sleep(1)
server.Stop()
def stop(self):
Daemon.stop(self)
if __name__ == "__main__":
BaseDir = os.path.dirname(sys.argv[0])
config_filename = "server.conf"
config_filename = os.path.join(BaseDir, config_filename)
Config = Config(config_filename)
try:
os.makedirs(os.path.dirname(Config.log_filename))
os.makedirs(os.path.dirname(Config.pid_filename))
except:
None
daemon = MyDaemon(Config)
if len(sys.argv) == 2:
if 'start' == sys.argv[1]:
daemon.start()
elif 'stop' == sys.argv[1]:
daemon.stop()
elif 'restart' == sys.argv[1]:
daemon.restart()
else:
print u'Неизвестный параметр'
sys.exit(2)
sys.exit(0)
else:
print u'Запуск: %s start|stop|restart' % sys.argv[0]
sys.exit(2)