{"id":1836,"date":"2013-02-14T05:23:17","date_gmt":"2013-02-14T05:23:17","guid":{"rendered":"http:\/\/hyunsu.com\/wordpress\/?p=1836"},"modified":"2013-02-14T05:23:17","modified_gmt":"2013-02-14T05:23:17","slug":"python-listen-%eb%90%9c-port-%ec%9d%98-process-name-%ea%b5%ac%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/hyunsu.com\/wordpress\/?p=1836","title":{"rendered":"Python, listen \ub41c port \uc758 process name \uad6c\ud558\uae30"},"content":{"rendered":"

python, listen port, inode, pid, process name<\/p>\n

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#!\/usr\/local\/bin\/python<\/code><\/div>\n
import<\/code> glob<\/code><\/div>\n
import<\/code> os<\/code><\/div>\n
import<\/code> commands<\/code><\/div>\n
 <\/div>\n
net <\/code>=<\/code> commands.getoutput(<\/code>\"grep ' 0A ' \/proc\/net\/tcp\"<\/code>)<\/code><\/div>\n
if<\/code> os.path.exists(<\/code>'\/proc\/net\/tcp6'<\/code>):<\/code><\/div>\n
    <\/code>net6 <\/code>=<\/code> commands.getoutput(<\/code>\"grep ' 0A ' \/proc\/net\/tcp6\"<\/code>)<\/code><\/div>\n
    <\/code>if<\/code> net6:<\/code><\/div>\n
        <\/code>net <\/code>+<\/code>=<\/code> '\\n'<\/code><\/div>\n
        <\/code>net <\/code>+<\/code>=<\/code> net6<\/code><\/div>\n
 <\/div>\n
inode2port <\/code>=<\/code> dict<\/code>() <\/code># {inode:port}<\/code><\/div>\n
lines <\/code>=<\/code> net.splitlines()<\/code><\/div>\n
for<\/code> line <\/code>in<\/code> lines:<\/code><\/div>\n
    <\/code>buf <\/code>=<\/code> line.split()<\/code><\/div>\n
    <\/code>inode2port[<\/code>long<\/code>(buf[<\/code>9<\/code>])] <\/code>=<\/code> int<\/code>(buf[<\/code>1<\/code>].split(<\/code>\":\"<\/code>)[<\/code>1<\/code>],<\/code>16<\/code>)<\/code><\/div>\n
 <\/div>\n
port2pname <\/code>=<\/code> {} <\/code># {port:process name}<\/code><\/div>\n
fdlist <\/code>=<\/code> glob.glob(<\/code>'\/proc\/*\/fd\/*'<\/code>)<\/code><\/div>\n
for<\/code> fd <\/code>in<\/code> fdlist:<\/code><\/div>\n
    <\/code>try<\/code>:<\/code><\/div>\n
        <\/code>pid <\/code>=<\/code> fd.split(<\/code>'\/'<\/code>)[<\/code>2<\/code>]<\/code><\/div>\n
        <\/code>inode <\/code>=<\/code> long<\/code>(os.stat(fd)[<\/code>1<\/code>])<\/code><\/div>\n
        <\/code>if<\/code> inode <\/code>in<\/code> inode2port:<\/code><\/div>\n
            <\/code>pname <\/code>=<\/code> commands.getoutput(<\/code>'cat \/proc\/%s\/status | grep Name'<\/code> %<\/code> pid).split()[<\/code>1<\/code>]<\/code><\/div>\n
            <\/code>port2pname[inode2port[inode]] <\/code>=<\/code> pname<\/code><\/div>\n
    <\/code>except<\/code>:<\/code><\/div>\n
        <\/code>pass<\/code><\/div>\n
 <\/div>\n
print<\/code> port2pname<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
<\/div>\n
<\/div>\n
\ucc38\uace0 : http:\/\/reverseslash.blogspot.kr\/2008\/04\/map-port-to-pid-in-python.html<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

python, listen port, inode, pid, process name 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 #!\/usr\/local\/bin\/python import glob import os import commands   net = commands.getoutput(“grep ‘ 0A ‘ \/proc\/net\/tcp”) if os.path.exists(‘\/proc\/net\/tcp6’): […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[53],"class_list":["post-1836","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-python"],"_links":{"self":[{"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1836"}],"version-history":[{"count":0,"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1836\/revisions"}],"wp:attachment":[{"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hyunsu.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}