import curses
+import os
import signal
+import time
def set_window_geometries():
for win in windows:
set_window_size()
place_window()
+ cursed_main.redraw = True
def draw_screen():
stdscr.refresh()
-def main(stdscr):
+
+
+def cursed_main(stdscr):
+
+ def ping_test():
+ half_wait_time = 5
+ if len(new_data_from_server) > 0:
+ ping_test.sent = False
+ elif ping_test.wait_start + half_wait_time < time.time():
+ if not ping_test.sent:
+ io["file_out"].write("PING\n")
+ io["file_out"].flush()
+ ping_test.sent = True
+ ping_test.wait_start = time.time()
+ elif ping_test.sent:
+ raise SystemExit("Server not answering anymore.")
+ ping_test.wait_start = 0
+
+ def read_into_message_queue():
+ if new_data_from_server == "":
+ return
+ new_open_end = False
+ if new_data_from_server[-1] is not "\n":
+ new_open_end = True
+ new_messages = new_data_from_server.splitlines()
+ if message_queue["open_end"]:
+ message_queue["messages"][-1] += new_messages[0]
+ del new_messages[0]
+ message_queue["messages"] += new_messages
+ if new_open_end:
+ message_queue["open_end"] = True
+
curses.noecho()
curses.curs_set(False)
# stdscr.keypad(True)
signal.signal(signal.SIGWINCH,
lambda ignore_1, ignore_2: set_window_geometries())
set_window_geometries()
+ delay = 1
while True:
- draw_screen()
+ stdscr.timeout(delay)
+ delay = delay * 2 if delay < 1000 else delay
+ if cursed_main.redraw:
+ delay = 1
+ draw_screen()
+ cursed_main.redraw = False
char = stdscr.getch()
- if (char >= 0):
- if chr(char) in commands:
- commands[chr(char)]()
+ if char >= 0 and chr(char) in commands:
+ commands[chr(char)]()
+ cursed_main.redraw = True
+ new_data_from_server = io["file_in"].read()
+ ping_test()
+ read_into_message_queue()
def foo():
def command_quit():
- exit()
+ io["file_out"].write("QUIT\n")
+ io["file_out"].flush()
+ raise SystemExit("Received QUIT command, forwarded to server, leaving.")
windows = [
{"config": [4, 16], "func": foo},
{"config": [0, -34], "func": foo}
]
+io = {
+ "path_out": "server/in",
+ "path_in": "server/out"
+}
commands = {
"Q": command_quit
}
+message_queue = {
+ "open_end": False,
+ "messages": []
+}
sep_size = 1 # Width of inter-window borders and title bars.
stdscr = None
screen_size = [0,0]
-curses.wrapper(main)
+
+
+try:
+ if (not os.access(io["path_out"], os.F_OK)):
+ msg = "No server input file found at " + io["path_out"] + "."
+ raise SystemExit(msg)
+ io["file_out"] = open(io["path_out"], "a")
+ io["file_in"] = open(io["path_in"], "r")
+ curses.wrapper(cursed_main)
+except SystemExit as exit:
+ print("ABORTING: " + exit.args[0])
+except:
+ print("SOMETHING WENT WRONG IN UNEXPECTED WAYS")
+ raise
+finally:
+ if "file_out" in io:
+ io["file_out"].close()
+ if "file_in" in io:
+ io["file_in"].close()