def _do_open_terminal(self, term):
ready = self.wait_for_data([self.sock], 0.1)
if self.sock not in ready:
# XXX TODO: wait for a keypress from some existing terminal
# to trigger the appearance of the terminal.
# Specify options via the environment.
# This allows us to spawn the joiner with no arguments,
# so it will work with the "-e" option of terminal programs.
env = {}
env["PIAS_OPT_JOIN"] = "1"
env["PIAS_OPT_COMMAND"] = "replay"
env["PIAS_OPT_DATAFILE"] = self.eventlog.datafile
env["PIAS_OPT_TERMINAL"] = self.terminal
forkexec([self.terminal, "-e", get_pias_script()], env)
view_sock, _ = self.sock.accept()
if self.live_replay:
# this is cribbed from recorder._handle_open_terminal
# TODO (JC): look into further refactoring common code into an util function
# Fork a new shell behind a pty.
_, proc_fd = forkexec_pty([self.replay_shell])
# often the terminal comes up before the pty has had a chance to send:
ready = None
while not ready:
ready = self.wait_for_data([proc_fd], 0.1)
else:
proc_fd = None
self.terminals[term] = (view_sock, proc_fd)
self.proc_fds[proc_fd] = term
def _do_open_terminal(self, term):
ready = self.wait_for_data([self.sock], 0.1)
if self.sock not in ready:
# XXX TODO: wait for a keypress from some existing terminal
# to trigger the appearance of the terminal.
# Specify options via the environment.
# This allows us to spawn the joiner with no arguments,
# so it will work with the "-e" option of terminal programs.
env = {}
env["PIAS_OPT_JOIN"] = "1"
env["PIAS_OPT_COMMAND"] = "replay"
env["PIAS_OPT_DATAFILE"] = self.eventlog.datafile
env["PIAS_OPT_TERMINAL"] = self.terminal
cmd = self.terminal or get_default_terminal()
forkexec([cmd, "-e", get_pias_script()], env)
view_sock, _ = self.sock.accept()
if self.live_replay:
# this is cribbed from recorder._handle_open_terminal
# TODO (JC): look into further refactoring common code into an util function
# Fork a new shell behind a pty.
_, proc_fd = forkexec_pty([self.replay_shell])
# often the terminal comes up before the pty has had a chance to send:
ready = None
while not ready:
ready = self.wait_for_data([proc_fd], 0.1)
else:
proc_fd = None
self.terminals[term] = (view_sock, proc_fd)
self.proc_fds[proc_fd] = term
def _handle_open_terminal(self, client_sock):
# Read the program to start, in form "SIZE JSON-DATA\n"
size = 0
c = client_sock.recv(1)
while c != " ":
size = (size * 10) + int(c)
c = client_sock.recv(1)
data = client_sock.recv(size)
while len(data) < size + 1:
more_data = client_sock.recv(size + 1 - len(data))
if not more_data:
raise ValueError("client sent incomplete data")
data += more_data
shell = json.loads(data.strip())
# Fork the requested process behind a pty.
if isinstance(shell, basestring):
shell = [shell]
proc_pid, proc_fd = forkexec_pty(*shell)
# Assign a new id for the terminal
term = uuid.uuid4().hex
self.terminals[term] = client_sock, proc_fd, proc_pid
self.view_fds[client_sock.fileno()] = term
self.proc_fds[proc_fd] = term
# Append it to the eventlog.
self.eventlog.append({
"act": "OPEN",
"term": term,
})
def _handle_open_terminal(self, client_sock):
# Fork a new shell behind a pty.
env = {"TERM": "vt100"}
proc_pid, proc_fd = forkexec_pty([self.shell], env=env)
# Assign a new id for the terminal
term = uuid.uuid4().hex
self.terminals[term] = client_sock, proc_fd, proc_pid
self.view_fds[client_sock.fileno()] = term
self.proc_fds[proc_fd] = term
# Append it to the eventlog.
# XXX TODO: this assumes all terminals are the same size as mine.
self.eventlog.write_event({
"act": "OPEN",
"term": term,
"size": get_terminal_size(1)
})
def _handle_open_terminal(self, client_sock):
# Fork a new shell behind a pty.
proc_pid, proc_fd = forkexec_pty([self.shell])
# Assign a new id for the terminal.
# As a special case, the first terminal created when appending to
# an existing session will re-use the last-known terminal uuid.
term = None
if not self.terminals and self.eventlog.events:
last_event = self.eventlog.events[-1]
if last_event["act"] == "CLOSE":
term = last_event.get("term")
if term is None:
term = uuid.uuid4().hex
self.terminals[term] = client_sock, proc_fd, proc_pid
self.view_fds[client_sock.fileno()] = term
self.proc_fds[proc_fd] = term
# Append it to the eventlog.
# XXX TODO: this assumes all terminals are the same size as mine.
self.eventlog.write_event({
"act": "OPEN",
"term": term,
"size": get_terminal_size(1)
})
