def __init__(self, builddir, downloaddir, logtofile):
self.qemu = None
self.downloaddir = downloaddir
- self.log = ""
self.logfile = infra.open_log_file(builddir, "run", logtofile)
# Start Qemu to boot the system
qemu_cmd += ["-append", " ".join(kernel_cmdline)]
self.logfile.write("> starting qemu with '%s'\n" % " ".join(qemu_cmd))
- self.qemu = pexpect.spawn(qemu_cmd[0], qemu_cmd[1:])
+ self.qemu = pexpect.spawn(qemu_cmd[0], qemu_cmd[1:], timeout=5)
# We want only stdout into the log to avoid double echo
self.qemu.logfile_read = self.logfile
- def __read_until(self, waitstr, timeout=5):
- index = self.qemu.expect([waitstr, pexpect.TIMEOUT], timeout=timeout)
- data = self.qemu.before
- if index == 0:
- data += self.qemu.after
- self.log += data
- # Remove double carriage return from qemu stdout so str.splitlines()
- # works as expected.
- return data.replace("\r\r", "\r")
-
# Wait for the login prompt to appear, and then login as root with
# the provided password, or no password if not specified.
def login(self, password=None):
- self.__read_until("buildroot login:", 10)
- if "buildroot login:" not in self.log:
+ index = self.qemu.expect(["buildroot login:", pexpect.TIMEOUT],
+ timeout=10)
+ if index != 0:
self.logfile.write("==> System does not boot")
raise SystemError("System does not boot")
self.qemu.sendline("root")
if password:
- self.__read_until("Password:")
+ self.qemu.expect("Password:")
self.qemu.sendline(password)
- self.__read_until("# ")
- if "# " not in self.log:
+ index = self.qemu.expect(["# ", pexpect.TIMEOUT])
+ if index != 0:
raise SystemError("Cannot login")
self.run("dmesg -n 1")
# return a tuple (output, exit_code)
def run(self, cmd):
self.qemu.sendline(cmd)
- output = self.__read_until("# ")
- output = output.strip().splitlines()
- output = output[1:len(output)-1]
+ self.qemu.expect("# ")
+ # Remove double carriage return from qemu stdout so str.splitlines()
+ # works as expected.
+ output = self.qemu.before.replace("\r\r", "\r").splitlines()[1:]
self.qemu.sendline("echo $?")
- exit_code = self.__read_until("# ")
- exit_code = exit_code.strip().splitlines()[1]
+ self.qemu.expect("# ")
+ exit_code = self.qemu.before.splitlines()[2]
exit_code = int(exit_code)
return output, exit_code