|author||Christian Grothoff <firstname.lastname@example.org>||2009-05-29 00:46:26 +0000|
|committer||Christian Grothoff <email@example.com>||2009-05-29 00:46:26 +0000|
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+.TH GNUNET-TRANSPORT "1" "23 Dec 2006" "GNUnet"
+gnunet\-transport \- a tool to test a GNUnet transport service
+gnunet\-transport can be used to test or profile
+a GNUnet transport service. The tool can be used to test
+both the correctness of the software as well as the correctness
+of the configuration. gnunet\-transport features two modes,
+called loopback mode and ping mode. In loopback mode the test is limited to testing if the
+transport can be used to communicate with itself (loopback).
+This mode does not include communication with other peers which
+may be blocked by firewalls and other general Internet connectivity
+problems. The loopback mode is particularly useful to test
+the SMTP transport service since this service is fairly hard to
+configure correctly and most problems can be reveiled by just
+testing the loopback. In ping mode the tool will attempt to download
+peer advertisements from the URL specified in the configuration file
+and then try to contact each of the peers. Note that it is perfectly
+normal that some peers do not respond, but if no peer responds something
+is likely to be wrong. The configuration is always taken
+from the configuration file. Do not run gnunetd while running
+gnunet\-transport since the transport services cannot
+be used by two processes at the same time.
+gnunet\-transport will always produce an error\-message for
+the NAT transport in loopback mode. If NAT is configured in accept\-mode (as in,
+accept connections from peers using network address translation),
+the check will fail with the message "could not create HELO",
+which is correct since the peer itself is clearly not going to
+advertise itself as a NAT. If the peer is configured in NAT\-mode,
+that is, the peer is behind a NAT box, the message will be
+'could not connect'. For NAT, both messages are NOT errors
+but exactly what is supposed to happen.
+Similarly, a NAT\-ed peer should typically configure the TCP transport
+to use port 0 (not listen on any port). In this case,
+gnunet\-transport will print 'could not create HELO' for the
+TCP transport. This is also ok. In fact, a correctly configured
+peer using NAT should give just two errors (could not connect for
+tcp and could not create HELO for NAT) when tested using
+gnunet\-transport\. The reason is, that gnunet\-transport\
+only tests loopback connectivity, and for a NAT\-ed peer, that just
+does not apply.
+Note that in ping mode the HTTP download times out after 5 minutes,
+so if the list of peers is very large and not all peers can be
+queried within the 5 minutes the tool may abort before trying all
+\fB\-c \fIFILENAME\fR, \fB\-\-config=\fIFILENAME\fR
+use config file (default: /etc/gnunetd.conf)
+print help page
+\fB\-L \fILOGLEVEL\fR, \fB\-\-loglevel=\fILOGLEVEL\fR
+change the loglevel. Possible values for \fILOGLEVEL\fR are NOTHING, FATAL, ERROR, FAILURE, WARNING, MESSAGE, INFO, DEBUG, CRON and EVERYTHING.
+use ping mode (loopback mode is default)
+\fB\-r\fI COUNT \fB\-\-repeat=\fICOUNT\fR
+send COUNT messages in a sequence over the same connection
+\fB\-s\fI SIZE \fB\-\-size=\fISIZE\fR
+test using the specified message size, default is 11
+\fB\-t\fI TRANSPORT\fR, \fB\-\-transport=\fITRANSPORT\fR
+run using the specified transport, if not given the transports
+configured in the configuration file are used.
+\fB\-u \fIUSER\fR, \fB\-\-user=USER\fR
+run as user USER (and if available as group USER). Note that to use this option, you will probably have to start gnunet-transport as
+root. It is typically better to directly start gnunet-transport as that user instead.
+print the version number
+gnunet\-transport can run for a long time, depending on
+how high you have set the \fICOUNT\fR level. Run first with small numbers
+for \fICOUNT\fR to get an initial estimate on the runtime.
+default gnunetd configuration file
+.SH "REPORTING BUGS"
+Report bugs by using mantis <https://gnunet.org/mantis/> or by sending electronic mail to <firstname.lastname@example.org>
+.SH "SEE ALSO"