def _wait_for_connections(self, s_left, addr, treq):
# determine request method (HEAD and GET are supported) (PM: added support to POST )
request_method = treq.split(' ')[0]
if (self.modep == 1):
print ("Method: ", request_method)
print ("Full HTTP message: -->")
print (treq) # KN: Enable this print to see the value of treq in debug mode
print ("<--")
treqhead = treq.split("\r\n\r\n")[0]
print("treqhead:", treqhead)
treqbody = treq[len(treqhead):].lstrip() # PM: makes easier to handle various types of newlines
if (self.modep == 1):
print ("only the HTTP body: -->")
print (treqbody) # KN: Enable this print to see the value of treqbody in debug mode
print ("<--")
# split on space "GET /file.html" -into-> ('GET','file.html',...)
file_requested = treq.split(' ')
#if(self.modep==1): print("Debug Server: File Requested: ", file_requested) # KN: Enable this print to see the file requested in debug mode
if (file_requested == ''):
file_requested = '/index.html'
file_requested = file_requested[1] # get 2nd element
# Check for URL arguments. Disregard them
file_requested = file_requested.split('?')[0] # disregard anything after '?'
if (file_requested == '/'): # in case no file is specified by the browser
file_requested = '/index.html' # load index.html by default
elif (file_requested == '/favicon.ico'): # most browsers ask for this file...
file_requested = '/index.html' # ...giving them index.html instead
file_requested = self.www_dir + file_requested
if (self.modep == 1): print ("Serving web page ["+file_requested+"]")
# GET method
if (request_method == 'GET') | (request_method == 'HEAD') :
## Load file content
if (self.modep == 1): print ("file_requested: ", file_requested)
try:
gc.collect()
if (request_method == 'GET' and file_requested =='/flash/registro'):
if (self.modep == 1): print ('Regreso del Usuario',self.userR)
tabla = BaseDatos(self.modep)
response_content,self.userR = tabla.ingresoRegistro(self.userR,1)
if (self.modep == 1): print ('Datos Regreso', response_content)
else:
file_handler = open(file_requested,'rb')
if (request_method == 'GET'): # only read the file when GET
response_content = file_handler.read() # read file content
file_handler.close()
response_headers = self._gen_headers(200)
if (self.modep == 1): print ('response_headers', response_headers)
except Exception as e: # in case file was not found, generate 404 page
error_str = str(e)
if (error_str[:24] == 'memory allocation failed'):
print ("Warning, memory allocation failed. Serving response code 500"+" -> "+error_str)
response_headers = self._gen_headers(500)
if (request_method == 'GET'):
response_content = b"<html><body><p>Error 500: Memory allocation failed</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
else:
print ("Warning, file not found from GET. Serving response code 404\n", e)
response_headers = self._gen_headers( 404)
if (request_method == 'GET'):
response_content = b"<html><head><meta charset='utf-8'><title>LoRa</title></head><body><p>Error 404: File not found</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
server_response = response_headers.encode() # return headers for GET and HEAD
if (request_method == 'GET'):
server_response += response_content # return additional content for GET only
s_left.send(server_response)
if (self.modep == 1): print ("Closing connection with client")
ufun.set_led_to(OFF)
s_left.close()
# POST method
elif (request_method == 'POST'):
## Load file content
try:
if (file_requested.find("execposthandler") != -1):
if (self.modep == 1):
print ("... PM: running python code")
print ("DEBUG Server: lenght message:", len(treqbody))
if (len(treqbody) > 25):
self.form = treqbody
response_content, self.dest_lora_address = posthandler.run(treqbody,self.s_right,self.loramac,self.userR,0, self.modep)
else:
if (self.modep == 1): print ("... PM: empty POST received")
response_content = b"<html><body><p>Error: EMPTY FORM RECEIVED, Please Check Again</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
elif (file_requested.find("tabla") != -1):
if (self.modep == 1): print ("DEBUG Server: Checking Messages")
if (self.modep == 2): print ("Checking Messages")
if (self.modep == 3): print ("Checking messages")
gc.collect()
tabla = BaseDatos(self.modep)
response_content = tabla.consulta(self.userR)
elif (file_requested.find("registro") != -1):
if (self.modep == 1):
print ("DEBUG Server: Register")
print ("DEBUG Server: lenght user:"******"DEBUG Server: treqbody:", treqbody)
tabla = BaseDatos(self.modep)
if (len(treqbody) > 12 ):
response_content,self.userR = tabla.ingresoRegistro(treqbody,0)
gc.collect()
print ("Register Ok")
else:
print ("... PM: empty POST received")
response_content = b"<html><body><p>Error: Please Choose a username</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
# Handling sensors data: START
elif (file_requested.find("mqttproxypush") != -1):
if (self.modep == 1):
print ("DEBUG Server: MqttProxy PUSH request")
print ("DEBUG Server: lenght user:"******"DEBUG Server: treqbody:", treqbody)
if (len(treqbody) > 10 ): # to be adapted!!!
print ("MqttProxy PUSH request Ok")
response_content = b"<html><body><p>MqttProxy PUSH request</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
else:
print ("MqttProxy request ERROR")
response_content = b"<html><body><p>ERROR MqttProxy PUSH request</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
# value 3 in "broadcast field" indicates that is anycasting, that is the closest with the service
response_content, self.dest_lora_address = posthandler.run(treqbody,self.s_right,self.loramac,self.userR,3, self.modep)
elif (file_requested.find("mqttproxypop") != -1):
if (self.modep == 1):
print ("DEBUG Server: MqttProxy POP request")
print ("DEBUG Server: lenght user:"******"DEBUG Server: treqbody:", treqbody)
if (len(treqbody) > 10 ): # to be adapted!!!
print ("MqttProxy POP request Ok")
response_content = b"<html><body><p>MqttProxy POP request</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
else:
print ("MqttProxy request ERROR")
response_content = b"<html><body><p>ERROR MqttProxy POP request</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
gc.collect()
tabla = BaseDatos(self.modep)
response_content = tabla.consulta("mqttproxy")
# Handling sensors data: END
elif (file_requested.find("broadcast") != -1):
if (self.modep == 1 | self.modep ==2 ): print ("AM: Sending Message Broadcast")
if (self.modep == 3): print ("Message Broadcast sent")
gc.collect()
tabla = BaseDatos(self.modep)
response_content, self.dest_lora_address = posthandler.run(treqbody,self.s_right,self.loramac,self.userR,1, self.modep)
elif (file_requested.find("telegram") != -1):
print ("AM: Telegram Message")
tabla = BaseDatos(self.modep)
if (self.modep == 1): print ("DEBUG Server: lenght message:", len(treqbody))
if (len(treqbody) > 25):
response_content, self.dest_lora_address = posthandler.run(treqbody,self.s_right,self.loramac,self.userR,2, self.modep)
else:
print ("... AM: empty POST received")
response_content = b"<html><body><p>Error: EMPTY FORM RECEIVED, Please Check Again</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
elif (file_requested.find("resend") != -1):
if (self.modep == 1): print ("DEBUG Server: Resending message")
response_content = posthandler.resend(self.form, self.s_right, self.loramac, self.userR, self.dest_lora_address, self.modep)
else:
file_handler = open(file_requested,'rb')
response_content = file_handler.read() # read file content
file_handler.close()
response_headers = self._gen_headers(200)
except Exception as e: # in case file was not found, generate 404 page
print ("Warning, file not found. Serving response code 404\n", e)
response_headers = self._gen_headers(404)
response_content = b"<html><body><p>Error 404: File not found</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
server_response = response_headers.encode() # return headers
server_response += response_content # return additional content
s_left.send(server_response)
if (self.modep == 1): print ("Closing connection with client")
ufun.set_led_to(OFF)
s_left.close()
else:
print ("Unknown HTTP request method:", request_method)
def _wait_for_connections(self,s_left,addr,treq):
#determine request method (HEAD and GET are supported) (PM: added support to POST )
request_method = treq.split(' ')[0]
print ("Method: ", request_method)
print ("Full HTTP message: -->")
print (treq)
print ("<--")
treqhead = treq.split("\r\n\r\n")[0]
treqbody = treq[len(treqhead):].lstrip() # PM: makes easier to handle various types of newlines
print ("only the HTTP body: -->")
print (treqbody)
print ("<--")
# split on space "GET /file.html" -into-> ('GET','file.html',...)
file_requested = treq.split(' ')
if DEBUG_MODE: print("File Requested: ", file_requested)
if(file_requested==''):
file_requested = '/index.html'
file_requested = file_requested[1] # get 2nd element
#Check for URL arguments. Disregard them
file_requested = file_requested.split('?')[0] # disregard anything after '?'
if (file_requested == '/'): # in case no file is specified by the browser
file_requested = '/index.html' # load index.html by default
elif (file_requested == '/favicon.ico'): # most browsers ask for this file...
file_requested = '/index.html' # ...giving them index.html instead
file_requested = self.www_dir + file_requested
print ("Serving web page [",file_requested,"]")
# GET method
if (request_method == 'GET') | (request_method == 'HEAD') :
## Load file content
try:
gc.collect()
print("mem_free: ", gc.mem_free())
file_handler = open(file_requested,'rb')
if (request_method == 'GET'): #only read the file when GET
response_content = file_handler.read() # read file content
file_handler.close()
response_headers = self._gen_headers( 200)
except Exception as e: #in case file was not found, generate 404 page
error_str = str(e)
if (error_str[:24] == 'memory allocation failed'):
print ("Warning, memory allocation failed. Serving response code 500"+" -> "+error_str)
response_headers = self._gen_headers(500)
if (request_method == 'GET'):
response_content = b"<html><body><p>Error 500: Memory allocation failed</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
else:
print ("Warning, file not found from GET. Serving response code 404\n", e)
response_headers = self._gen_headers( 404)
if (request_method == 'GET'):
response_content = b"<html><head><meta charset='utf-8'><title>LoRa</title></head><body><p>Error 404: File not found</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
server_response = response_headers.encode() # return headers for GET and HEAD
if (request_method == 'GET'):
server_response += response_content # return additional conten for GET only
s_left.send(server_response)
print ("Closing connection with client")
ufun.set_led_to(OFF)
s_left.close()
# POST method
elif (request_method == 'POST'):
## Load file content
try:
if (file_requested.find("execposthandler") != -1):
print("... PM: running python code")
if DEBUG_MODE: print("DEBUG: lenght message:",len(treqbody))
if (len(treqbody) > 25):
response_content = posthandler.run(treqbody,self.s_right,self.loramac,self.userR,0)
else:
print("... PM: empty POST received")
response_content = b"<html><body><p>Error: EMPTY FORM RECEIVED, Please Check Again</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
elif (file_requested.find("tabla") != -1):
print("AM: Checking Messages")
tabla=BaseDatos()
response_content = tabla.consulta(self.userR)
elif (file_requested.find("registro") != -1):
print("AM: Register")
if DEBUG_MODE: print("DEBUG: lenght user:"******"DEBUG: treqbody:",treqbody)
tabla=BaseDatos()
if (len(treqbody) > 12 ):
response_content,self.userR = tabla.ingresoRegistro(treqbody)
print("Register Ok")
else:
print("... PM: empty POST received")
response_content = b"<html><body><p>Error: Please Choose a username</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
elif (file_requested.find("broadcast") != -1):
print("AM: Sending Message Broadcast")
tabla=BaseDatos()
response_content = posthandler.run(treqbody,self.s_right,self.loramac,self.userR,1)
elif (file_requested.find("telegram") != -1):
print("AM: Telegram Message")
tabla=BaseDatos()
if DEBUG_MODE: print("DEBUG: lenght message:",len(treqbody))
if (len(treqbody) > 25):
response_content = posthandler.run(treqbody,self.s_right,self.loramac,self.userR,2)
else:
print("... AM: empty POST received")
response_content = b"<html><body><p>Error: EMPTY FORM RECEIVED, Please Check Again</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
else:
file_handler = open(file_requested,'rb')
response_content = file_handler.read() # read file content
file_handler.close()
response_headers = self._gen_headers(200)
except Exception as e: #in case file was not found, generate 404 page
print ("Warning, file not found. Serving response code 404\n", e)
response_headers = self._gen_headers(404)
response_content = b"<html><body><p>Error 404: File not found</p><p>Python HTTP server</p><p><a href='/'>Back to home</a></p></body></html>"
server_response = response_headers.encode() # return headers
server_response += response_content # return additional content
s_left.send(server_response)
print ("Closing connection with client")
ufun.set_led_to(OFF)
s_left.close()
else:
print("Unknown HTTP request method:", request_method)