fishbook/fishbook_server/client.py

74 lines
2.1 KiB
Python
Executable File

import sys
import socket
import selectors
import traceback
import fishbook_server.libclient as libclient
sel = selectors.DefaultSelector()
def create_request(action, value):
if action == "search":
return dict(
type="text/json",
encoding="utf-8",
content=dict(action=action, value=value),
)
elif action == "data":
print("send data request")
return dict(
type="binary/custom-client-binary-type",
encoding="binary",
content=dict(action=action, value=value),
)
else:
return dict(
type="binary/custom-client-binary-type",
encoding="binary",
content=bytes(action + value, encoding="utf-8"),
)
def start_connection(host, port, request):
addr = (host, port)
print("starting connection to", addr)
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.setblocking(False)
sock.connect_ex(addr)
events = selectors.EVENT_READ | selectors.EVENT_WRITE
message = libclient.Message(sel, sock, addr, request)
sel.register(sock, events, data=message)
def send_request(host, port, request):
start_connection(host, port, request)
message = None
try:
while True:
events = sel.select(timeout=1)
for key, mask in events:
message = key.data
try:
message.process_events(mask)
except Exception:
print(
"main: error: exception for",
f"{message.addr}:\n{traceback.format_exc()}",
)
message.close()
# Check for a socket being monitored to continue.
if not sel.get_map():
break
except KeyboardInterrupt:
print("caught keyboard interrupt, exiting")
finally:
sel.close()
return message.payload if message else "no response"
def run(host, port, action="search", value="test"):
request = create_request(action, value)
response = send_request(host, port, request)
print(response)