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Serval Mesh Users Manual is available as a downloadable PDF.

The software on this page is NOT to be downloaded without prior agreement to the Disclaimercontained on the Software Page.

This is Prototype software only. We would ask that you please keep us informed as to any unexpected behaviours. We have tested on a variety of handsets, but we cannot possibly hope to have them all to test – we hope you will do that and report back for us!

The phone we have used for development is the Huewai Ideos U8150. While we have attempted to make Serval Mesh Software as universal as possible on Android, other handsets may sometimes give unexpected results – please, let us know, with as much detail as possible, what those issues are.

The software is currently for Android based handsets only. It has NOT been tested on Android tablets. Tablet functionality may be added in future releases. iOS & Symbian are the next systems to be ported to.

Rooting your phone is an optional step that allows for Adhoc Wireless Networking capacity.
Please do a google search for the most appropriate method for doing so for your handset. We have used, (but are in no way responsible for ), z4root.

On your phone:

 Navigate to : Menu -> Settings ->Applications
Check: Unknown Sources is selected
Navigate to : Menu ->Settings -> Applications -> Development
Check: USB debugging is selected

Now need download & install apk.

You will need a QR code reader for your phone  – one suggestion for a free piece of software used by some of our developers is Barcode Scanner

Current release QR Code :

serval file qr code

Source code is available on GitHub

 

Release 0.08

(TBA)

New features include:

Rhizome store and forward transport.

Share files, share videos, and send text messages to people who aren’t directly reachable at the moment. This should be considered an early preview, there’s plenty of work still to go. (text messaging currently requires WebSMS / SMSDroid to use as the front end)

Improved peer list

Now with name resolution from your Android contacts, real-time display of network reach-ability information, and quick link to open WebSMS (if installed) for text message entry.

Smaller APK file size

Improved Handset Support

  • Added galaxy tab

 

Bug Fixes

  • Reduced prompting for root access, better detection of failures
  • Keep a foreground service running to prevent our process being killed while started
  • Fixed control of hotspot on android 4.0+

A full list of commits are available in the GitHub repository

 

Release 0.07

(December 15, 2011)

The following features and bug fixes have been added:

  • Allow for no routing engine (requires change to strings before appearing in UI)
  • Preparation and installation cleanup
  • Improve unknown or unrooted device support
  • Prevent retrying a stuffed config
  • Prevent screen off filter for Samsung Galaxy 2 support
  • Fix bug with supported device support
  • Read command output directly
  • Always extract binaries that are not in source control
  • Allow up to 3 seconds for adhoc mode to start (looks like client mode till then if no peers)
  • Tweak layout and add phone number label
  • Refactor wifi mode detection and preparation control flow
  • Ensure all wifi mode changes are listened to
  • Retry root commands, don’t always run prep on startup
  • Don’t rerun preparation if unsupported handset.
  • Improve behaviour of unrooted handsets
  • Disallow adhoc mode if wifi chipset is re-selected after crashing the phone
  • Prevent logging of executed processes that are already captured somewhere
  • Substantial work towards nice integrated preparation wizard that starts up first and does all the detection and unpacking before handing over to the main activity (now called dashboard).
  • Fixed some bugs with new wizard that handles setup and checking that we have everything we need, and sets the framework for then guiding the user through testing of experimental chipset detections, and ultimately we hope uploading working scripts.
  • Added wireless-tools to jni build. This provides source for iwconfig, and also gets what we need to produce a fast JNI iwconfig and also add iwconfig() command to edify, which can be used to speed up mode switches by letting us replace the sleep(3) with a function that waits exactly until the wireless interface comes up.
  • Slight rearrangement of code for handling multiple and non detections of wifi chipset. (Still needs iwconfig JNI before it can be finished)
  • Progress towards having iwconfig output available from Java for testing wifi mode status.
  • we can now get the output of iwconfig natively from in the JVM. Next step is to use it to verify effectiveness of mode switches.
  • fixed some more bugs, now ifconfig and iwconfig output can both be gathered from in java.
  • Rearranged and hopefully fixed correct running of preparation wizard.
  • Added support for reading wifi.conf files for guessing support.
  • Added initial support for Galaxy S2
  • Fixed error in galaxy s2 detection script.
  • Fixes to GalaxyS2 compatability and bug fix in DNA to prevent segfaults.
  • We now check that the wifi mode actually changes as required — although we don’t yet warn the user — we just log it.
  • incorporated updated dna binary that catches errors better
  • Various things to fix hlr corruption induced dna crashes and other related things.
  • Incorporated fixed DNA (SIP address missing @ bug). Added check to supress here be dragons if wizard activity gets recreated while main application activity remains running. Using DNA seeded SID instead of asking for one to be created. Untested.
  • Incorporated modified DNA binary.
  • Various changes towards integrating new wifi detection process. Added code to prevent more than one instance of background task running at same time.
  • Changed indicators on preparation wizard to yellow to make visible for red-green colour blind. Added wake lock to preparation process and further interlocks to prevent double running.
  • Fixed remaining missing checks on exiting from background activities in preparation wizard.
  • Added first step of NaCl native library access functions. Requires latest serval-dna and building of libdnalib to work.
  • Modified makefile to handle nacl-containing Serval DNA
  • NaCl native wrapping now reasonably sane, with a single class containing the native functions, and separate classes within that to wrap the calls.
  • Added experimental support for GT540 handset running CyanogenMod.
  • Added wrapper for NaCl safe random number source.
  • Partial de-spaghettied preparation wizard. Also replaced jiggly clock graphics with grey scale pulsing square, except that it doesn’t pulse due to some weird issue with the asynchronous task not really running asynchronously, or at least it seems that way.
  • Further work on integrating NaCl crypto library.
  • Updated LG GT540 control scripts using information gained from Android-wifi-tether support for the same.
  • Imported updates to edify from android-wifi-tether to allow use of load_wifi() and unload_wifi() for generic device control from in edify scripts (so we can make generic.edify.adhoc etc).
  • Added generic control scripts for new improved edify imported from latest version of android-wifi-tether.
  • Updated BUILD.txt to actually contain the build instructions for Batphone.
  • Improved BUILD.txt to automatically work out sdk.dir for local.properties file.
  • Added fix for missing local.properties file.
  • Improved BUILD.txt to better detect sdk directory and not stop convenience script.
  • attempt at fixing the obsolete build.xml file issue.
  • added git sub-module initialisation to make first-time builds even easier.
  • Fixed ordering or nacl preparation and ndk-build.
  • Incoropated latest serval-dna commit to fix build problem with some shells.
  • Totally disabled uploading of detection logs to serval server until we build out the very explicit means of asking the user for permission.
  • Added layout and activity for trying experimental chipsets.
  • Fixed display of chipset in auto-detect if there are multiple matches. Now says “one of several possibilities”, instead of “Unsupported ….”. Also fixed order of chipset testing to always try non-experimental before experimental, so that in this case we always try the safe options before possibly jamming the kernel with a wrong module load, for example. This also deals with the problem of having stale invented support files laying around on reinstall.
  • wifi autodetect now informs user if wifi chipset is in a strange state, and asks them to reboot, and then quits batphone completely.
  • Removed some dead code. Fixed nasty quit-on-start bug in wifijammedactivity control.
  • Relaunching batphone after it realises the wifi is in a funny state now reminds the user to reboot their phone. This probably comes up sometimes when it doesn’t need to, because it doesn’t recheck that the wifi is in a funk. But it will do for now.
  • Improved chipset detection log display to be more meaningful, explicitly show chosen chipset and the capabilities the control script offers.
  • Fixed bugs in phone number extraction from hlr.dat
  • Added display of phone number on main display.
  • Added wifi refresh option to menu on main screen, partly to aid debugging. Progress towards “you don’t have adhoc” dialog on startup.
  • Added dialog to show when ad hoc could not be obtained.
  • Issue 141 resolved.
  • fixed potential null pointer problem.
  • Rebuild DNA and Asterisk DNA plugin, hopefully incorporating the source address bug fix committed to serval-dna.
  • Really fixed null-termination bug in asterisk module. Fixes issues 145, and probably 131 (to be confirmed).
  • Bug fix to broadcast address calculation.
  • Changed default SSID to ‘Mesh’, following interoperability agreement with VillageTelco.org.
  • Made BUILD.txt tolerant of trailing slash at end of path used to find adb.
  • Fixed a null pointer exception source.
  • More fixing of null pointer catching.
  • Added ARP table reading for Serval DNA and asterisk module (but not peer list in java). Phones with screens off in client mode can now be called (although what happens when the arp table entries expire?)
  • added screen-off detection code to reset wifi , but stimied by bug 146, which prevents us knowing when it should be done.
  • Adding commandline front end for libiwstatus for debugging.
  • Fixed wrapper function wrong function. Something is still not right, though, as it doesn’t show any output.
  • Delete attempt files when redetecting WiFi.
  • Fixed typo that prevented this script from being usable.
  • Made experimental for now, since we need to update edify to work with it.
  • Added fancy dlsym() code to access libhardware_legacy if it is available.
  • updated to also rebuild adhoc/edify interpretor binary.
  • Changed default SSID from ServalProject.org to Mesh in line with interoperability accord wth VillageTelco.org.
  • Generic chipset control script now works with updated adhoc/edify binary. But detection on installation is wonky for it.. Timing issue?
  • remarked generic experimental, because we want it to be used only if there is no dedicated script, as the dedicated scripts can make sure there is no packet filter nonsense going on, where as the wifi_driver_load() function will enable such silliness, and cause things like no reception of broadcast packets when the screen turns off.
  • attempted fixes and debugging for iwconfig jni bridge (looks like it might need root to run reliably, so will probably switch to using iwconfig from the command line instead).
  • Changed wifi modal management to fix some null pointer issues and use the command line iwconfig command to read current wifi mode instead of using the iwstatus jni library we made, because it looks like that the iwconfig/iwstatus code might need root access to work reliabily/properly.
  • AP->Client and Client->AP calling now works. Generic chipset handler now works.
  • Pulled in latest serval-dna code for ARP table scraping debug improvements.
  • Incorporated bug fixes to DNA reading of ARP table.
  • Incorporated ARP table parsing bug fixes in DNA and DNA Asterisk app.
  • Updated serval-dna with -m option for helping with diagnostics on root-less networks.
  • Force SSID from ServalProject.org -> Mesh on 0.06 -> 0.07 upgrade.
  • Added new nowirelessextensions option to chipset detect script language. (It is needed for G1/HTC Dream compatibility, which is still being fixed).
  • Added checks into preparation wizard to ignore lack of wifi mode reading on devices that don’t support it (i.e. G1/HTC Dream).
  • Added nowirelessextensions line to dream wifi detection script.
  • Work towards detecting wifi interface state without iwconfig as a fall-back (mainly for G1/HTC Dream).
  • G1/HTC Dream support again working. “One of several possible options” message should not occur now.
  • Filtered displayed chipset options to show only valid ones.
  • Made motorola droid/defy problems somewhat less bad. Install still hangs, but generic doesn’t get phone into infinite loop.
  • Disabled stop wifi on screen off in client mode.
  • Fixed null pointer in getting detected chipsets after force close/restart/reboot of BatPhone.
  • Add the translation for the first screen
  • Add SipDroid translations
  • Add the license translation — original license text stays in english
  • Add the stub for the somalian translation

 

Release 0.06

 

The following features have been added:

  • Automatic Wi-Fi chipset detection process that tries to guess how to put you phone into
  • adhoc mode. This should now work with most rooted handsets.
  • New screen for displaying the progress of tasks we have to do on install.

Bugs Fixed :
The following bugs have been fixed since Release 0.06-

  • 0000002: Handset auto-detection needs fixing
  • 0000029: Wifi clients may drop broadcast packets
  • 0000098: Preparing information sent back to project for display
  • 0000127: java.lang.NullPointerException : SetupActivity.setAvailableWifiModes()
  • 0000131: When operating in AP-Client modes, AP cannot be called
  • 0000141: Experimental scripts may be run and crash the software (or phone) on install
  • 0000145: Call to node A fails second time after call to node B on three node network
  • 0000147: Adhoc edify interpreter needs rebuilding so that we can use “generic” wifi
  • driver loading
  • Stopped DNA from corrupting its data file and crashing which would leave the phone
  • unreachable (General root cause of several other bugs).

Bugs can be viewed in more detail via our bug tracker  – registration is required to access.

Upcoming additions:

  • SMS Functionality
  • Mapping & Incident reports
  • Video Services
  • Rhizome – share the software over the mesh

These additional apps currently required seperately for the upcoming SMS functionality:

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