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0cc492dbae2f6aaef9a54dc2a8ba3222868b150f
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146 Commits

Author SHA1 Message Date
Keith Winstein 2dcef54e24 Allow new states slowly even when queue full (fixes Axel Beckert lockup) 2013-01-15 02:03:35 -05:00
Anton Lundin 99dc1f93cf Use MSG_NONBLOCK when MSG_DONTWAIT doesn't exist 2012-12-01 14:49:29 +01:00
Keith Winstein 486325e76b mosh-server: Fix bug where spins forever if process dies while disconnected 2012-11-26 02:14:48 -05:00
Keith Winstein 6a16eecce0 Use dup() instead of move semantics for Network::Socket 2012-11-23 13:31:23 -05:00
Luke Mewburn 141ec239da Support port range as -p/--port PORT[:HIGHPORT]. 
Extend mosh and mosh-server to support parsing a high port from
the desired_port argument.  The first (low) port must not be
greater than the second (high) port.
If only one value is provided, behaviour is as before; bind
to one port.  Also tweak the formatting in mosh-server(1) synopsis
to be consistent.

This resolves mosh issue # 296.

Signed-off-by: Luke Mewburn <luke@mewburn.net>
 2012-10-29 14:59:28 -04:00
Keith Winstein b99da057bb Back out use of ip.h IPTOS_DSCP_AF42 constant (missing on OS X) 2012-10-22 10:50:28 -04:00
Keith Winstein c53a174d0c Revert "Check for netinet/ip.h (now that we are using it), and don't also use in.h" 
This reverts commit 0909ea55d6.
 2012-10-22 10:50:07 -04:00
Keith Winstein 0909ea55d6 Check for netinet/ip.h (now that we are using it), and don't also use in.h 2012-10-22 10:34:16 -04:00
olgeni 2e39dbc977 Fix calls to setsockopt. 
On FreeBSD, the socket option length must be declared as an int.

While I'm here, translate dscp (0x92) to the appropriate constants.

(tested on FreeBSD only so far)
 2012-10-22 14:29:39 +02:00
Keith Winstein 39276a46ad More conservative default MTU, and react to MSGSIZE 2012-10-16 17:46:05 -04:00
Keith Winstein be3b1259b6 Make sendto() non-blocking 2012-10-16 17:40:02 -04:00
Keith Winstein 052e7cc812 Change assert() to fatal_assert() since can be triggered by evil sender 2012-10-05 04:14:49 -04:00
Ira Cooper deecf6bb2f Add limits.h to allow for illumos to compile. 
Closes #331
 2012-10-05 04:02:11 -04:00
Keith Winstein c0092a6e7e Hop new ports, but keep the old [for a minute, and up to 10 at a time] 
(One is silver and the other gold...)
 2012-10-05 02:51:25 -04:00
Keith Winstein b8df3eed11 Lengthen port hop interval to 30 seconds 2012-10-04 23:46:08 -04:00
Keith Winstein 9eb9a0386e Warn on congestion 2012-10-04 21:47:58 -04:00
Keith Winstein 9cf411ac3f Change server association timeout to 40 seconds 2012-10-04 21:45:42 -04:00
Keith Winstein 9ac3b65090 Respond to explicit congestion notification (slow down sender) 2012-09-28 19:07:31 -04:00
Keith Winstein 815aff9a73 Don't assert has_remote_addr, because can change between fragments. 2012-08-15 23:58:21 +03:00
Keith Winstein 5376ed1996 Use end-to-end-to-end connectivity (in transport layer) to control port hop. 
Avoid playing games with network-layer timestamps.
 2012-08-13 16:48:25 +03:00
Keith Winstein a21fed3dca Remove automatic hopping triggers from SSP. 2012-08-13 14:59:20 +03:00
Keith Winstein 82830344ca Hop ports when missing E2E2E connectivity, even if downlink working. 2012-08-13 14:26:53 +03:00
Keith Winstein 89da6105aa When not connected, (1) client hops port numbers (2) server stops sending. 2012-08-13 11:19:25 +03:00
Timo Sirainen 7117b61bf4 Don't do a 64bit read access from a string, since it may not be 64bit aligned. 
Fixes crash with CPUs that require aligned access.

Signed-off-by: Timo Sirainen <tss@iki.fi>
 2012-08-11 17:14:44 -04:00
Timo Sirainen 620152261e Don't use s_addr as parameter name. Fixes compiling with Solaris. 
Signed-off-by: Timo Sirainen <tss@iki.fi>
 2012-08-11 17:14:44 -04:00
Keith Winstein a744004bf6 Get system timestamp less often (only after sleeping/selecting) 2012-07-26 21:13:26 -04:00
Keith Winstein 92ecb99b71 Add OpenSSL licensing exception 2012-07-20 16:46:00 -04:00
Alexander Chernyakhovsky 0099f080ad Fix FTBFS on ARM on GCC 4.7.0 
GCC v4.7.0, as found in Fedora 17 and newer, fails to build mosh on
ARM because of a narrowing warning, which is then promoted to an error
by -Werror.  This error message is new, and did not occur under
previous versions of GCC.

This patch corrects this error by explicitly casting to the desired
datatype the return value of the offending code, the result of a macro
from glibc to implement htobe16().
 2012-06-20 01:24:08 -04:00
Keith Winstein 88bed3e94a Remove warning for IP_TOS failure 2012-06-12 14:39:36 -04:00
Keith Winstein 37f78d0e4c Disable out-of-order warning (fires too much on some 802.11n networks) 
This reverts commit 682bbdfebd.
 2012-05-30 02:04:32 -04:00
Keith Winstein ade0aaa3e8 Make IP_TOS failure non-fatal per Keegan. 2012-05-25 21:00:51 -04:00
Dave Taht 72e6c85e3d Set diffserv values to AF42 + ECT 
AF42 has both the properties of CS42 and the IMM bit.

Whether this has the advantages or disadvantages of just one or
the other, I don't know. With most mac80211 stacks this will
force mosh packets in the VI queue on wireless.

As for pfifo_fast, have to look it up...
 2012-05-25 20:40:49 -04:00
Keith Winstein 682bbdfebd Warn on out-of-order or duplicated packets (or missing nonce increment!) 2012-05-23 18:08:31 -04:00
Keith Winstein 7700984bbb Revert "Use protobuf's Gzip streams" 
This reverts commit b0e05776f1.
 2012-05-23 01:55:57 -04:00
Keith Winstein eca34ea0fd Make mandatory check for bad throwaway from sender 2012-05-22 23:12:48 -04:00
Keith Winstein e5f8ed7579 Cap state queue used by receiver, even if sender is malicious 2012-05-22 23:01:39 -04:00
Anders Kaseorg b0e05776f1 Use protobuf's Gzip streams 
This reverts commit 63459ed1c7.
 2012-05-16 00:24:21 -04:00
Keegan McAllister c258e0bc4e Make timing parameters public within namespace Network 
So that UI timeouts can adjust accordingly.
 2012-05-09 14:19:46 -04:00
Keegan McAllister 67a85eaf99 Deliver sendto() exceptions without disturbing control flow 
This prevents the client from waking up every 200 ms while the network is down.
Addresses #243.
 2012-05-09 14:19:46 -04:00
Keith Winstein 43182729ec More graceful output from failed verification 2012-05-05 01:53:28 -04:00
Keith Winstein 3573cec92a Enable round-trip verifier in verbose mode 2012-05-05 01:46:22 -04:00
Keith Winstein a82f50f085 Improve lossy connections by sending diff from "known" state if it's easy 2012-05-04 23:06:20 -04:00
Keith Winstein ce47d1f769 Fix bug in retransmission logic (improves performance on lossy links) 2012-05-02 23:55:13 -04:00
Keith Winstein 2ea3f3a347 Warn when server has not heard from us (even if we have heard from server) 2012-04-30 22:43:45 -04:00
Massimo Gengarelli 49fc21c8a3 Catch by const reference (remove Eclipse warnings) 
(closes #245)
 2012-04-29 02:24:31 -04:00
Keith Winstein 22e7cf60d3 Keep aligned buffers around, instead of allocing on each packet 
Fixes #238 github issue.
Also fixes armel "Bad alignment" problem.
 2012-04-24 18:40:01 -04:00
Keith Winstein 63459ed1c7 Revert use of protobuf's Gzip streams. 
Unfortunately some Red Hat-based distributions lack the required header.
See https://bugzilla.redhat.com/show_bug.cgi?id=815587

This reverts commit 261a389a76.
This reverts commit b6736eb0a5.
 2012-04-23 22:50:49 -04:00
Anders Kaseorg b6736eb0a5 Use protobuf’s Gzip{Input,Output}Stream wrapper around zlib 
This removes our direct zlib dependency (although of course protobuf
still uses it internally), removes a fixed 4 MiB buffer and its
corresponding limit on the terminal size, reduces some string copying,
and deletes some code.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>

(Closes #230.)
 2012-04-22 16:14:28 -04:00
Keith Winstein 8de74afb5f Restore 50 fps cap on frame rate (relevant to #222 github issue). 2012-04-19 23:00:12 -04:00
Keith Winstein 3c6e45a469 Adjust timing parameters in response to real-world trace data. 
Also increases maximum frame rate from 50 fps to 100 fps.

Relevant to issue #222 on github.
 2012-04-19 22:40:03 -04:00