import signal
import os
-import pexpect
+import sys
import traceback
-from log import *
+from log import RED, single_line_delim, double_line_delim
+from debug import spawn_gdb
+from subprocess import check_output, CalledProcessError
+from util import check_core_path
class Hook(object):
self.testcase = testcase
self.logger = testcase.logger
- def spawn_gdb(self, gdb_path, core_path):
- gdb_cmdline = gdb_path + ' ' + self.testcase.vpp_bin + ' ' + core_path
- gdb = pexpect.spawn(gdb_cmdline)
- gdb.interact()
- try:
- gdb.terminate(True)
- except:
- pass
- if gdb.isalive():
- raise Exception("GDB refused to die...")
-
def on_crash(self, core_path):
if self.testcase.debug_core:
- gdb_path = '/usr/bin/gdb'
- if os.path.isfile(gdb_path) and os.access(gdb_path, os.X_OK):
- # automatically attach gdb
- self.spawn_gdb(gdb_path, core_path)
- return
- else:
+ # notify parent process that we're handling a core file
+ open('%s/_core_handled' % self.testcase.tempdir, 'a').close()
+ spawn_gdb(self.testcase.vpp_bin, core_path, self.logger)
+ else:
+ self.logger.error("Core file present, debug with: gdb %s %s" %
+ (self.testcase.vpp_bin, core_path))
+ check_core_path(self.logger, core_path)
+ self.logger.error("Running `file %s':" % core_path)
+ try:
+ info = check_output(["file", core_path])
+ self.logger.error(info)
+ except CalledProcessError as e:
self.logger.error(
- "Debugger '%s' does not exist or is not an executable.." %
- gdb_path)
-
- self.logger.critical('core file present, debug with: gdb ' +
- self.testcase.vpp_bin + ' ' + core_path)
+ "Could not run `file' utility on core-file, "
+ "rc=%s" % e.returncode)
+ pass
def poll_vpp(self):
"""
print('%02d.\t%s\t%s:%d\t[%s]' % (counter, e[2], e[0], e[1], e[3]))
counter += 1
print(single_line_delim)
- print("You can enter a number of stack frame chosen from above")
+ print("You may enter a number of stack frame chosen from above")
print("Calls in/below that stack frame will be not be stepped anymore")
print(single_line_delim)
while True:
- choice = raw_input("Enter your choice, if any, and press ENTER to "
- "continue running the testcase...")
+ print("Enter your choice, if any, and press ENTER to continue "
+ "running the testcase...")
+ choice = sys.stdin.readline().rstrip('\r\n')
if choice == "":
choice = None
try:
if choice is not None:
num = int(choice)
- except:
+ except ValueError:
print("Invalid input")
continue
if choice is not None and (num < 0 or num >= len(stack)):