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| author | Fritz Elfert <felfert@to.com> | 1999-07-04 19:12:50 +0000 |
|---|---|---|
| committer | Fritz Elfert <felfert@to.com> | 1999-07-04 19:12:50 +0000 |
| commit | ccc2e6cfe3a5936b0c72fa57faca5fb7b46c0b1d (patch) | |
| tree | a9b3d6d93022dd1e625133931e1e03c71ed7f67d /ncpd/packet.cc | |
| parent | 8f953dfc4c3349e7a022ea48dbc22feae34fc0f6 (diff) | |
| download | plptools-ccc2e6cfe3a5936b0c72fa57faca5fb7b46c0b1d.tar.gz plptools-ccc2e6cfe3a5936b0c72fa57faca5fb7b46c0b1d.tar.bz2 plptools-ccc2e6cfe3a5936b0c72fa57faca5fb7b46c0b1d.zip | |
Forking, syslog and better error handling
Diffstat (limited to 'ncpd/packet.cc')
| -rw-r--r-- | ncpd/packet.cc | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/ncpd/packet.cc b/ncpd/packet.cc index 70006bc..9009f86 100644 --- a/ncpd/packet.cc +++ b/ncpd/packet.cc @@ -29,6 +29,7 @@ #include <fstream.h> #include <iomanip.h> #include <errno.h> +#include <sys/ioctl.h> extern "C" { #include "mp_serial.h" @@ -155,6 +156,8 @@ bool packet:: get(unsigned char &type, bufferStore & ret) { while (!terminated()) { + if (linkFailed()) + return false; int res = read(fd, inPtr, BUFFERLEN - inLen); if (res > 0) { if (verbose & PKT_DEBUG_LOG) @@ -241,3 +244,25 @@ terminated() termLen = l; return false; } + +bool packet:: +linkFailed() +{ + int arg; + bool failed = false; + int res = ioctl(fd, TIOCMGET, &arg); + if (res < 0) + failed = true; + if (verbose & PKT_DEBUG_DUMP) + cout << "packet: DTR:" << ((arg & TIOCM_DTR)?1:0) + << " RTS:" << ((arg & TIOCM_RTS)?1:0) + << " DCD:" << ((arg & TIOCM_CAR)?1:0) + << " DSR:" << ((arg & TIOCM_DSR)?1:0) + << " CTS:" << ((arg & TIOCM_CTS)?1:0) << endl; + if (((arg & TIOCM_DSR) == 0) || ((arg & TIOCM_CTS) == 0)) + failed = true; + if ((verbose & PKT_DEBUG_LOG) && failed) + cout << "packet: linkFAILED\n"; + return failed; +} + |