All of the raw reading and writing IPC code is in Parcel.cpp and IPCThreadState.cpp, as well as the kernel driver. Most interfaces are code generated from the aidl file. The window manager is WindowManagerService.java.
On Tue, Sep 29, 2009 at 4:27 AM, Dhananjay Joshi <[email protected] > wrote: > > > On Mon, Sep 28, 2009 at 11:07 PM, Dianne Hackborn <[email protected]>wrote: > >> Parcel I am pretty sure already has a bunch of log lines in it that you >> can turn on. If you need more, add them. Of course the first thing you >> want to do is get the stack crawl where it is crashing to start focusing >> your effort. >> >> On Sun, Sep 27, 2009 at 11:30 PM, dhananjay >> <[email protected]>wrote: >> >>> >>> Hi All, >>> i'm trying to port android on my big endian platform , and >>> m getting issues in IPC communication bider . object written by one >>> procees coudnt be read by another process it is coming null at the >>> other side , but to debug this problem if i put print in parcel.cpp >>> whole system >>> is crashing , so i cant put print in binder or parcel file. does >>> anybody know how to get info logs from threse two file.??????? >>> also the data written in parcel follows host system' s endian order , >>> as i compiled my source code on x86 system ,where Byte order is >>> little endian so anybody having any idea where to specify correct byte >>> order in order to have IPC running on my big endian system. >>> >>> Regards, >>> Dhananjay >>> >>> >> >> >> -- >> Dianne Hackborn >> Android framework engineer >> [email protected] >> >> Note: please don't send private questions to me, as I don't have time to >> provide private support, and so won't reply to such e-mails. All such >> questions should be posted on public forums, where I and others can see and >> answer them. >> >> >> >> Hi Dianne >> thanks for replying..... >> yeah .it was my mistake ..prints are coming from Parcel.cpp , further >> debugging yields that >> in ViewRoot.java file request for window service is resulting in >> openSession Object ,which is >> further having IPC commn and after readStrongBinder() in >> IWindowManager.java(generated file) openSession is returning NULL.so my >> point is from the client side i have tracked writeStrongBinder() in switch >> case which is not NULL only the reply is coming NULL, >> and this is happening only for windoesession not for InputMethodManager >> which i tracked from logs , requesting the IPC service and getting the one. >> and for remoteobject .for localobjecct IPC seems to be working fine.so i >> want to track code from server side which is actually writting in to kernel >> driver , so that i can get insight of what is happening from read and write >> from kernel driver which file i should look? >> or is there any other way to track this? please reply.... >> >> Regards, >> DJ >> >> >> >> >> >> >> -- Dianne Hackborn Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. --~--~---------~--~----~------------~-------~--~----~ unsubscribe: [email protected] website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
