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<span style="font-size: 10pt"><a href="/plan9/">Plan 9 from Bell Labs</a>’s /usr/web/sources/contrib/aiju/netconsole.c</span></p>
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Copyright © 2009 Alcatel-Lucent.<br />
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#include <u.h>
#include <libc.h>
#include <thread.h>
int s;
void
keyproc(void*)
{
while(1) {
char buf[512];
int n = read(0, buf, 511);
if(n < 0) sysfatal("read: %r");
buf[n] = 0;
if(strchr(buf, 127)) threadexitsall(0);
if(write(s, buf, n) < 0) sysfatal("write: %r");
}
}
void
threadmain(int argc, char** argv)
{
if(argc != 2 && argc != 3) {
print("usage: %s target-ip [port]\n", argv[0]);
exits("usage");
}
char *target = argv[1];
char *port = argv[2] ? argv[2] : "6666";
char devdir[128];
s = dial(netmkaddr(target, "udp", port), port, devdir, 0);
if(s < 0) sysfatal("dial: %r");
strcat(devdir, "/ctl");
int udpctl = open(devdir, OWRITE);
if(udpctl >= 0)
write(udpctl, "ignoreadvice", 13);
int consctl = open("/dev/consctl", OWRITE);
if(consctl < 0) sysfatal("open consctl: %r");
if(write(consctl, "rawon", 5) < 0) sysfatal("write to consctl: %r");
proccreate(keyproc, 0, 8000);
while(1) {
char buf[512];
int n = read(s, buf, 511);
if(n < 0) sysfatal("read: %r");
if(write(1, buf, n) < 0) sysfatal("write: %r");
}
}
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