HTTP client class

    3. # HTTPClient demo
    4. # This simple class can do HTTP requests; it will not block, but it needs to be polled.
    6. func _init():
    7.     var err = 0
    8.     var http = HTTPClient.new() # Create the Client.
    10.     err = http.connect_to_host("www.php.net", 80) # Connect to host/port.
    11.     assert(err == OK) # Make sure connection was OK.
    13.     # Wait until resolved and connected.
    14.     while http.get_status() == HTTPClient.STATUS_CONNECTING or http.get_status() == HTTPClient.STATUS_RESOLVING:
    15.         http.poll()
    16.         print("Connecting...")
    17.         OS.delay_msec(500)
    19.     assert(http.get_status() == HTTPClient.STATUS_CONNECTED) # Could not connect
    21.     # Some headers
    22.     var headers = [
    23.         "User-Agent: Pirulo/1.0 (Godot)",
    24.         "Accept: */*"
    25.     ]
    29.     while http.get_status() == HTTPClient.STATUS_REQUESTING:
    30.         # Keep polling for as long as the request is being processed.
    31.         http.poll()
    32.         print("Requesting...")
    33.         if not OS.has_feature("web"):
    34.             OS.delay_msec(500)
    35.         else:
    36.             # Synchronous HTTP requests are not supported on the web,
    37.             # so wait for the next main loop iteration.
    38.             yield(Engine.get_main_loop(), "idle_frame")
    40.     assert(http.get_status() == HTTPClient.STATUS_BODY or http.get_status() == HTTPClient.STATUS_CONNECTED) # Make sure request finished well.
    42.     print("response? ", http.has_response()) # Site might not have a response.
    44.     if http.has_response():
    45.         # If there is a response...
    47.         headers = http.get_response_headers_as_dictionary() # Get response headers.
    48.         print("code: ", http.get_response_code()) # Show response code.
    49.         print("**headers:\\n", headers) # Show headers.
    51.         # Getting the HTTP Body
    54.             print("Response is Chunked!")
    55.         else:
    56.             # Or just plain Content-Length
    57.             var bl = http.get_response_body_length()
    58.             print("Response Length: ", bl)
    60.         # This method works for both anyway
    62.         var rb = PoolByteArray() # Array that will hold the data.
    64.         while http.get_status() == HTTPClient.STATUS_BODY:
    65.             # While there is body left to be read
    66.             http.poll()
    67.             var chunk = http.read_response_body_chunk() # Get a chunk.
    68.             if chunk.size() == 0:
    69.                 # Got nothing, wait for buffers to fill a bit.
    70.                 OS.delay_usec(1000)
    71.             else:
    72.                 rb = rb + chunk # Append to read buffer.
    74.         # Done!
    76.         print("bytes got: ", rb.size())
    77.         var text = rb.get_string_from_ascii()
    78.         print("Text: ", text)