Currently, I am in the process of developing a program that can gather temperature and humidity data from a Pysense device and then store this information in a database on my laptop. To accomplish this, I have set up a socket to send Json data via POST to a php page, where the data is decoded and entered into the database. However, I am encountering an issue where I receive a '400 bad request' response when attempting to send the data to the php page. It seems like the problem might be related to the formatting of the Json data, but despite searching online, I have not been able to find a solution that resolves this error for me. Below is the code snippet I am currently working with:
In this code, 'hum' and 'temp' represent the readings obtained from the device.
data = '{ "DeviceName": 1, "Humidity": %.2f, "Temperature": %.2f }'%(hum,temp)
header = ("""
POST /insert.php HTTP/1.1
Host: 192.168.4.2
Content-Type: application/json\r\n
""")
contentLengthStr = 'Content-Length : %s\r\n\r\n'%str(len(data))
request = header + contentLengthStr + data
print(request)
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((host,port))
s.send(request.encode())
response = s.recv(4096)
print(response)
I anticipated that the php page would decode the data, but instead, I received the following response displayed in the console:
HTTP/1.1 400 Bad Request\r\nDate: Tue, 29 Jan 2019 16:12:06 GMT\r\nServer: Apache/2.4.33 (Win32) OpenSSL/1.1.0h PHP/7.2.6\r\nVary: accept-language,accept-charset\r\nAccept-Ranges: bytes\r\nConnection: close\r\nContent-Type: text/html; charset=utf-8\r\nContent-Language: en\r\nExpires: Tue, 29 Jan 2019 16:12:06 GMT\r\n\r\n\r\n\r\n\r\nBad request!\r\n\r\n*/-->\r\n\r\n\r\n\r\nBad request!'
If you have any suggestions or solutions to offer, they would be greatly appreciated!