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juancarlospaco / psutil-nim

Port of python psutil to Nim
MIT License
28 stars 9 forks source link

net_if_addrs crashes #8

Closed donpdonp closed 4 years ago

donpdonp commented 4 years ago

Im trying to get a list of interfaces using the libc function, after hitting a dead end trying to code it myself, i found this library. When trying to call the same function via the library, it also crashes. Any idea whats going on here?

donp@jewel nimnet $  nim
Nim Compiler Version 0.20.0 [Linux: amd64]
Compiled at 2019-06-06
donp@jewel nimnet $ nimble install psutil
Downloading https://github.com/juancarlospaco/psutil-nim using git
  Verifying dependencies for psutil@0.5.7
 Installing psutil@0.5.7
    Prompt: psutil@0.5.7 already exists. Overwrite? [y/N]
    Answer: y
   Success: psutil installed successfully.
donp@jewel nimnet $ cat ps.nim 
import psutil

echo net_if_addrs()
echo boot_time()
echo users()
donp@jewel nimnet $ nim c ps.nim
Hint: used config file '/opt/nim/0.20/config/nim.cfg' [Conf]
Hint: system [Processing]
Hint: widestrs [Processing]
Hint: io [Processing]
Hint: ps [Processing]
Hint: psutil [Processing]
Hint: math [Processing]
Hint: bitops [Processing]
Hint: macros [Processing]
Hint: os [Processing]
Hint: strutils [Processing]
Hint: parseutils [Processing]
Hint: algorithm [Processing]
Hint: unicode [Processing]
Hint: pathnorm [Processing]
Hint: osseps [Processing]
Hint: posix [Processing]
Hint: times [Processing]
Hint: options [Processing]
Hint: typetraits [Processing]
Hint: sequtils [Processing]
Hint: tables [Processing]
Hint: hashes [Processing]
Hint: common [Processing]
Hint: nativesockets [Processing]
Hint: psutil_posix [Processing]
Hint: psutil_linux [Processing]
Hint: net [Processing]
Hint: sets [Processing]
Hint:  [Link]
Hint: operation successful (46277 lines compiled; 1.237 sec total; 72.125MiB peakmem; Debug Build) [SuccessX]
donp@jewel nimnet $ ./ps
Traceback (most recent call last)
/home/donp/code/nimnet/ps.nim(3) ps
/home/donp/.nimble/pkgs/psutil-0.5.7/psutil/psutil_posix.nim(125) net_if_addrs
SIGSEGV: Illegal storage access. (Attempt to read from nil?)
juancarlospaco commented 4 years ago

https://github.com/juancarlospaco/psutil-nim#troubleshooting It wont work on certain Linuxes, you can use a try except or when or similar construct, but yeah those functions wont work on all Linuxes.