def last_mon():
global GPIO
while True:
semaphore_isprint.acquire()
#每隔一段时间就检测打印机状态是否在打印，如果在打印则循环检测
#如果不在打印，则发送一个请求打印命令
while True:
time.sleep(20)
#检测打印
flag = getinfo.get_isrunning(mach_data["mach_ip"],
mach_data["api"])
if flag == 2: #2代表绝对空闲
# overjob = {"machineCode":"","type":"overJob","createTime":""}
# overjob["machineCode"] = mach_data["machineCode"]
# overjob["createTime"] = int(time.time())
# on_publish("overJob", json.dumps(overjob), 0)
#print("waiting 5 times...")
count = 10
print "start to wait the start order"
while count > 0:
if (GPIO.input(GPIO_PIN) == 1):
count = count - 1
print("input high")
else:
count = 10
continue
time.sleep(0.1)
semaphore_printfile.release() #发送一个打印请求
break
def print_process():
temp_json = {"jobId": "", "machineCode": "", "type": "reqExecute"}
while True:
#只要是队列数量大于0并且打印机是空闲状态，就开始请求。
print("printer is waiting for the task.........")
semaphore_printfile.acquire() #消费一个打印请求信号量
flag = getinfo.get_isrunning(mach_data["mach_ip"], mach_data["api"])
#flag表示是否满足空闲状态
if len(q) > 0 and flag == 2: #打印队列中至少有一个并且打印机是空闲状态时，发送一个打印请求。否则丢弃这个信号量
file_jobId = q.popleft()
q.appendleft(file_jobId)
temp_json["jobId"] = file_jobId
temp_json["machineCode"] = mach_data["machineCode"]
on_publish("reqPrintFile", json.dumps(temp_json), 2)
print "post a printing request"
except Exception, e:
pass
if _data != 0:
print "okokoko"
break
else:
print "fail to post"
time.sleep(3)
while True:
event_post_info.wait()
#持续发送温度信息4
mach_mon_data = getinfo.get_factoryMessage(mach_data["mach_ip"],
mach_data["api"])
mach_info_json["process"] = mach_mon_data["process"]
if ((getinfo.get_isrunning(mach_data["mach_ip"], mach_data["api"])
== 1) or (getinfo.get_isrunning(mach_data["mach_ip"],
mach_data["api"]) == 3)):
mach_info_json["status"] = 1
# file_jobId = q.popleft()
# q.appendleft(file_jobId)
mach_info_json["fileName"] = printing_file_name["tempfilename"]
mach_info_json["process"] = mach_mon_data["process"]
mach_info_json["printTime"] = mach_mon_data["printTime"]
mach_info_json["printTimeLeft"] = mach_mon_data["printTimeLeft"]
mach_info_json["createTime"] = mach_mon_data["createTime"]
else:
if fetch_product == 0:
mach_info_json["status"] = 0
mach_info_json["fileName"] == ""
mach_info_json["process"] = 0