June 2015 - Pharo-users - lists.pharo.org

Re: [Pharo-users] Issue with UDP Sockets

by stepharo

oh yes! + 1000000000 Le 19/5/15 10:20, Sven Van Caekenberghe a Ã©crit : > Hi Udo, > > It would be good if some of this knowledge could be added inside the image, as class comment or methods comments. Even better would be an example combined with a unit test, like UDPSocketEchoTest and TCPSocketEchoTest - the unit test would then actively ensure this functionality is protected. > > I do think making all this cross platform could be a bit harder, we'll see. > > Sven > >> On 19 May 2015, at 00:17, Udo Schneider <udo.schneider(a)homeaddress.de> wrote: >> >> This should have been 'IP_ADD_MEMBERSHIP' of course: >> >> imrMultiaddr := #[239 255 255 250]. >> imrInterface := #[0 0 0 0]. >> ipMreq := imrMultiaddr , imrInterface. >> socket setOption: 'IP_ADD_MEMBERSHIP' value: ipMreq. >> >> >> The "server" could be something like this (execute in first playground). I used another IP address (#[239 255 255 251]) because #[239 255 255 250] might already be part of the multicast group because of other processes and this shows the "whole" process of subscribing to a multicast group: >> >> [ >> | udpSocket | >> udpSocket := Socket newUDP. >> udpSocket setPort: 1900. >> imrMultiaddr := #[239 255 255 251]. >> imrInterface := #[0 0 0 0]. >> ipMreq := imrMultiaddr , imrInterface. >> udpSocket setOption: 'IP_ADD_MEMBERSHIP' value: ipMreq. >> udpSocket setOption: 'IP_MULTICAST_LOOP' value: 1. >> "udpSocket setOption: 'SO_REUSEADDR' value: 1." >> udpSocket waitForData. >> buffer := ByteArray new: 256. >> data := udpSocket receiveUDPDataInto: buffer. >> bytesRead := data at: 1. >> sender := data at: 2. >> senderPort := data at: 3. >> more := data at: 4. >> result := buffer copyFrom: 1 to: bytesRead. >> udpSocket closeAndDestroy. >> result asString inspect. >> ] fork. >> >> >> >> The "client" (execute in different playground): >> | message udpSocket | >> message := String crlf join: #( >> 'M-SEARCH * HTTP/1.1' >> 'HOST:239.255.255.250:1900' >> 'MAN:"ssdp:discover' >> 'ST:ssdp:all' >> 'MX:1' >> ''). >> >> udpSocket := Socket newUDP. >> udpSocket sendData: message toHost: #[239 255 255 251] port: 1900. >> (udpSocket waitForSendDoneFor: 5). >> udpSocket closeAndDestroy. >> >> Hope this helps. >> >> CU, >> >> Udo >> >> >> >> >> >> >> On 18/05/15 23:29, Udo Schneider wrote: >>> Hi Manfred, >>> >>> I just stumbled over the IP address you are using (239.255.255.250). If >>> I remember correctly this is a IPv4 Class D Multicast address. >>> (224.0.0.0-239.255.255.255). >>> >>> So if you want to transmit datagrams to this IP address or recieve >>> datagrams sent to this multicast groups you have to set appropriate IP >>> Options. >>> >>> You can set this options using Socket>>#setOption:value: and read them >>> using Socket>>#getOption:. Please note that both methods expect the >>> option to set as a name - not as constant. E.g. >>> >>> socket setOption: 'IP_MULTICAST_IF' value: multicastInterface. >>> >>> If I do remember correctly you have to set the following options for >>> sending/receiving: >>> >>> Sending: >>> IP_MULTICAST_IF >>> (IP_MULTICAST_LOOP) >>> (IP_MULTICAST_TTL) >>> >>> Sending should AFAIK work w/o setting any option - although >>> IP_MULTICAST_IF is highly recommended. >>> >>> Receiving: >>> (SO_REUSEADDR) >>> IP_ADD_MEMBERSHIP >>> (IP_DROP_MEMBERSHIP) >>> >>> Receiving only works if you joined the multicast group previously. So I >>> assume that you need to do something like this (not tested). >>> >>> imrMultiaddr := #[239 255 255 250]. >>> imrInterface := #[0 0 0 0]. >>> ipMreq := imrMultiaddr , imrInterface. >>> socket setOption: 'MEMBERSHIP' value: ipMreq. >>> >>> Hope this helps. >>> >>> CU, >>> >>> Udo >>> >>> >>> >>> On 18/05/15 16:34, Manfred KrÃ¶hnert wrote: >>>> Hi Sven, >>>> >>>> On Mon, May 18, 2015 at 4:14 PM, Sven Van Caekenberghe >>>> <sven(a)stfx.eu >>>> <mailto:sven@stfx.eu>> wrote: >>>> >>>> >>>> > On 18 May 2015, at 15:47, Manfred KrÃ¶hnert >>>> <mkroehnert42(a)googlemail.com >>>> <mailto:mkroehnert42@googlemail.com>> wrote: >>>> > >>>> > Hi, >>>> > apparently I am missing something else. >>>> > >>>> > I can find devices when connected to a 'regular' LAN. >>>> > >>>> > However, I have a camera that creates a Wifi accesspoint and >>>> makes itself discoverable via SSDP. >>>> > Once I connect to this accesspoint my computer gets a valid IP >>>> address assigned and the NodeJS code is able to discover the device. >>>> > Unfortunately, the Pharo snippet I posted before does not give me >>>> any results and hangs in Socket>>waitForDataIfClosed: . >>>> > >>>> > Any further ideas? >>>> >>>> Are you sure you restarted the image and your code after switching >>>> networks ? >>>> >>>> >>>> I did not check this before. >>>> But I just downloaded a fresh 40613 image with PharoLauncher and started >>>> it after connecting to the camera accesspoint. >>>> The code snippet freezes there as well. >>>> >>>> Manfred >>> >>> >>> >> >> > >

June 7, 2015

Re: [Pharo-users] [Pharo-dev] Pharo on bitnami

by Offray Vladimir Luna CÃ¡rdenas

Hi, I have been using Bitnami and I think that they're really good at providing "execute and deploy" stacks for a lot of applications which are cumbersome to configure and complicated. They're a real time saver. The only one similar offer I know we have is Pharo Cloud but the advantage of a Bitnami Pharo stack is that they could run on Digital Ocean with a more versatile stack and more attractive prices. In fact that's my approach when I need to deploy a stack I usually choose Bitnami Stack + digital ocean for hosting, if the stack I'm looking for is available in bitnami, which is usually cheaper that Specific stack hosting. I don't know if Pharo Cloud could be the company that Bitnami is looking for as a Software partner for deploying. Cheers, Offray On 07/06/15 09:14, Norbert Hartl wrote: > Could be something good. I wanted to figure out what is to provide but I didn't find anything useful in all this massive amount of marketing bullshit on their site. Do you really contact them before you can see how you can provide a package? > > Norbert > >> Am 07.06.2015 um 13:08 schrieb stepharo <stepharo(a)free.fr>: >> >> Hi pharoers >> >> we got in contact with bitnami and I would love to see two bitnami apps around Pharo: >> - basic pharo >> - pharo + seaside + magritte + voyage (mongo pharo layer) + mongodb >> >> So who would like to help pushing this effort? >> >> Stef >> >> Begin forwarded message: >> >> From: Kevin Franklin <kevin(a)bitnami.com> >> Subject: Introducing Bitnami... >> Date: 5 Jun 2015 10:57:36 GMT+2 >> To: <board(a)pharo.org> >> >> Hello Pharo Association >> >> I wondered if you knew about Bitnami. Please check us out at www.bitnami.com. We provide over 120 apps and development stacks â many of them open-source. >> If you would like Pharo to be included in our marketplace, we have a contest https://bitnami.com/contest were you can nominate it, and encourage your community to vote for its inclusion. >> >> Also, I wondered if you could put me in touch with any commercial companies within and around the Pharo ecosystem that might like to work with us as a software partner https://bitnami.com/partners/software >> >> Kind regards >> Kevin >> >> -- >> Kevin Franklin >> Director of Business Development, Bitnami >> +44 78 2525 6020 >> @kevinjfranklin >> >> Run your favorite apps in the cloud with Bitnami >> >> Confidential - All Rights Reserved. >> Bitnami Â© 2015 >> > >

June 7, 2015

Re: [Pharo-users] Bug in Open Workspace from File-Browser?

by volkert

I have found a bug and opened new case for it: https://pharo.fogbugz.com/f/cases/15711/ I also what to send a fix. But i am not sure, if the fix is as simple as i described it (see tail of this mail). My Question: Is the bug in the UIManager or only on the sender FileList>>viewContentsInWorkspace. I think, in the sender. So i can simply replace"UIManager default edit: aString label: 'Workspace from ', self reference basename " with " Workspace openContents: aString label: 'Workspace from ', self reference basename". Am 07.06.2015 um 17:20 schrieb stepharo: > UIManager was an attempt to support a way to theme widgets. > And also to be able to run Pharo headless but providing a DummyManager. > What is the original problem you faced? > > Stef > > > Le 6/6/15 16:37, volkert a Ã©crit : >> Is this change resonable. I have no idea, what the Design-Idea behind >> the UIManager what services is should provide. May be it make sense >> to have the extra services on UIManager, but think the bug is in >> FileList>>viewContentsInWorkspace and not in UIManager. >> >> ---- >> I propose for Workspace to change the current code: >> >> FileList>>viewContentsInWorkspace >> "View the contents of my selected file in a new workspace" >> | aString | >> self reference streamWritable: false do: [ :stream| >> aString := stream setConverterForCode contentsOfEntireFile ]. >> UIManager default edit: aString label: 'Workspace from ', self >> reference basename <----- WRONG >> >> to : >> >> FileList>>viewContentsInWorkspace >> "View the contents of my selected file in a new workspace" >> | aString | >> self reference streamWritable: false do: [ :stream| >> aString := stream setConverterForCode contentsOfEntireFile ]. >> Workspace openContents: aString label: 'Workspace from ', self >> reference basename >> >> And i also proposse the add a Playground case. >> >> New Method: >> >> FileList>>viewContentsInPlayground >> "View the contents of my selected file in a new playground" >> | aString | >> self reference streamWritable: false do: [ :stream| >> aString := stream setConverterForCode contentsOfEntireFile ]. >> GTPlayground openContents: aString label: 'Playground from ', self >> reference basename. >> >> and also FileList>>serviceViewContentsInPlayground and the case in >> ListList>>itemsForAnyFile. >> >> If ok, i can fix Workspace and add Playground menu to FileList, after >> i have figured out how to send an fix ;-) >> >> BW, >> Volkert >> >> Am 03.06.2015 um 16:40 schrieb Ben Coman: >>> Or do we now want such to open in Playground? >>> >>> btw, these are the relevant methods. >>> FileList>>FileList>>viewContentsInWorkspace >>> FileList>>viewContentsInWorkspace >>> >>> cheers -ben >>> >>> On Wed, Jun 3, 2015 at 6:57 PM, volkert<volkert(a)komponentenwerkstatt.de> wrote: >>>> The File Browser has a Context Menu "Workspace with Contents". It opens an >>>> Edit Window (String Morph), but not a Workspace ... >>>> >>>> Is the Menu-Title wrong or the implementation? >>>> >>>> BW, >>>> Volkert >>>> >> >

June 7, 2015

Re: [Pharo-users] looking for Pharo by example in Korean

by Serge Stinckwich

You should ask HwaJong Oh about that. On Sun, Jun 7, 2015 at 5:30 PM, stepharo <stepharo(a)free.fr> wrote: > Hi guys > > I know that there was a translation of Pharo by Example in Korean and I > would like to put in on the Pharo Started Kit :) > Yes we will announce it soon :) > > Stef > -- Serge Stinckwich UCBN & UMI UMMISCO 209 (IRD/UPMC) Every DSL ends up being Smalltalk http://www.doesnotunderstand.org/

June 7, 2015

Re: [Pharo-users] VoyageMongo/Magritte problem

by stepharo

Thanks for your nice report. People will certainly reply to you. Le 7/6/15 17:08, mtk a Ã©crit : > Hi, > maybe I found an issue in VoyageMongo/Magritte, here is what I've done: > > loaded a fresh Pharo 4.0 image > loaded VoyageMongo via Configuration Browser (Install Stable Version) > opened up a Playground and did (via the green 'play' button): > > |repository| > > repository := VOMongoRepository > host:'hostOn.mongolab.com' > port: 43158 > database:'databasename' > username: 'username' > password: 'password'. > > repository enableSingleton. > > repository inspect. > > This leads to an error which seems to be connected to > 'gtInspectorMagritteIn:' (see attached screenshot) which was updated in the > package Magritte-GT on 03.06.2015. (no instance 'repository' is going to be > created). > > Please excuse my bad analysis on this, because I have only very limited > skills. > > <http://forum.world.st/file/n4830859/VoyageMongo.png> > > > > -- > View this message in context: http://forum.world.st/VoyageMongo-Magritte-problem-tp4830859.html > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. > >

June 7, 2015

looking for Pharo by example in Korean

by stepharo

Hi guys I know that there was a translation of Pharo by Example in Korean and I would like to put in on the Pharo Started Kit :) Yes we will announce it soon :) Stef

June 7, 2015

Re: [Pharo-users] Bug in Open Workspace from File-Browser?

by stepharo

UIManager was an attempt to support a way to theme widgets. And also to be able to run Pharo headless but providing a DummyManager. What is the original problem you faced? Stef Le 6/6/15 16:37, volkert a Ã©crit : > Is this change resonable. I have no idea, what the Design-Idea behind > the UIManager what services is should provide. May be it make sense to > have the extra services on UIManager, but think the bug is in > FileList>>viewContentsInWorkspace and not in UIManager. > > ---- > I propose for Workspace to change the current code: > > FileList>>viewContentsInWorkspace > "View the contents of my selected file in a new workspace" > | aString | > self reference streamWritable: false do: [ :stream| > aString := stream setConverterForCode contentsOfEntireFile ]. > UIManager default edit: aString label: 'Workspace from ', self > reference basename <----- WRONG > > to : > > FileList>>viewContentsInWorkspace > "View the contents of my selected file in a new workspace" > | aString | > self reference streamWritable: false do: [ :stream| > aString := stream setConverterForCode contentsOfEntireFile ]. > Workspace openContents: aString label: 'Workspace from ', self > reference basename > > And i also proposse the add a Playground case. > > New Method: > > FileList>>viewContentsInPlayground > "View the contents of my selected file in a new playground" > | aString | > self reference streamWritable: false do: [ :stream| > aString := stream setConverterForCode contentsOfEntireFile ]. > GTPlayground openContents: aString label: 'Playground from ', self > reference basename. > > and also FileList>>serviceViewContentsInPlayground and the case in > ListList>>itemsForAnyFile. > > If ok, i can fix Workspace and add Playground menu to FileList, after > i have figured out how to send an fix ;-) > > BW, > Volkert > > Am 03.06.2015 um 16:40 schrieb Ben Coman: >> Or do we now want such to open in Playground? >> >> btw, these are the relevant methods. >> FileList>>FileList>>viewContentsInWorkspace >> FileList>>viewContentsInWorkspace >> >> cheers -ben >> >> On Wed, Jun 3, 2015 at 6:57 PM, volkert<volkert(a)komponentenwerkstatt.de> wrote: >>> The File Browser has a Context Menu "Workspace with Contents". It opens an >>> Edit Window (String Morph), but not a Workspace ... >>> >>> Is the Menu-Title wrong or the implementation? >>> >>> BW, >>> Volkert >>> >

June 7, 2015

VoyageMongo/Magritte problem

by mtk

Hi, maybe I found an issue in VoyageMongo/Magritte, here is what I've done: loaded a fresh Pharo 4.0 image loaded VoyageMongo via Configuration Browser (Install Stable Version) opened up a Playground and did (via the green 'play' button): |repository| repository := VOMongoRepository host:'hostOn.mongolab.com' port: 43158 database:'databasename' username: 'username' password: 'password'. repository enableSingleton. repository inspect. This leads to an error which seems to be connected to 'gtInspectorMagritteIn:' (see attached screenshot) which was updated in the package Magritte-GT on 03.06.2015. (no instance 'repository' is going to be created). Please excuse my bad analysis on this, because I have only very limited skills. <http://forum.world.st/file/n4830859/VoyageMongo.png> -- View this message in context: http://forum.world.st/VoyageMongo-Magritte-problem-tp4830859.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

June 7, 2015

Re: [Pharo-users] Pharo-users Digest, Vol 26, Issue 33

by Serge Stinckwich

You may have a look to the french version of Pharo by Example book : http://pharobyexample.org/fr/ Maybe not up to date, but you will find these kind of information. Regards, On Sun, Jun 7, 2015 at 4:24 PM, Ben Coman <btc(a)openinworld.com> wrote: >> 2015-06-07 14:30 GMT+02:00 karim abakar <karim.abakar(a)gmail.com>: >>> bonjour, est ce que quelqu'un peut m'expliquer comment declarer une >>> methode de classe(je dis bien methode de classe pas d'instance) en >>> pharo. MerÃ§i et bon weekend > > > On Sun, Jun 7, 2015 at 8:41 PM, Serge Stinckwich > <serge.stinckwich(a)gmail.com> wrote: >> Dear Karim, >> >> if you want to create a method class you have to select a class in a >> System Browser and click on the radiobutton "Class side". > > Additionally, note that the method list will be bold when on the class side. > cheers -ben > -- Serge Stinckwich UCBN & UMI UMMISCO 209 (IRD/UPMC) Every DSL ends up being Smalltalk http://www.doesnotunderstand.org/

June 7, 2015

Re: [Pharo-users] Pharo-users Digest, Vol 26, Issue 33

by Ben Coman

> 2015-06-07 14:30 GMT+02:00 karim abakar <karim.abakar(a)gmail.com>: >> bonjour, est ce que quelqu'un peut m'expliquer comment declarer une >> methode de classe(je dis bien methode de classe pas d'instance) en >> pharo. MerÃ§i et bon weekend On Sun, Jun 7, 2015 at 8:41 PM, Serge Stinckwich <serge.stinckwich(a)gmail.com> wrote: > Dear Karim, > > if you want to create a method class you have to select a class in a > System Browser and click on the radiobutton "Class side". Additionally, note that the method list will be bold when on the class side. cheers -ben

June 7, 2015