何鑫 | 8 Aug 2012 09:08
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How the libvirtd connect to qemud in source codes?

Hi,
    I meet a question when reading the libvirt source codes. Could you help me? Coz I plan to link libvirt to a Android Emulator based on QEMU, knowing how the libvirtd connect to qemud is important. I trace the code as following:
    libvirtd.c contains all the initilization of libvirt daemon, then calling function named qemuRegister to qemu_driver.c which contains three methods:
int qemuRegister(void) {                                                                                      
virRegisterDriver(&qemuDriver);                                                                           
virRegisterStateDriver(&qemuStateDriver);                                                                 
virNWFilterRegisterCallbackDriver(&qemuCallbackDriver);                                                   
return 0;                                                                                                 
 }    

In qemuDriver, I find a function --qemudOpen which, I guess, contains the method what I want. But I failed to find right messages. Could you please give me some tips? I guess there has got to contain related interfaces to connect between libvirt and qemu. 
     Thanks a lot!
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Eric Blake | 8 Aug 2012 16:53
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Re: How the libvirtd connect to qemud in source codes?

On 08/08/2012 01:08 AM, 何鑫 wrote:
> Hi,    I meet a question when reading the libvirt source codes. Could you help me? Coz I plan to link libvirt to a
Android Emulator based on QEMU, knowing how the libvirtd connect to qemud is important. I trace the code as
following:    libvirtd.c contains all the initilization of libvirt daemon, then calling function named
qemuRegister to qemu_driver.c which contains three methods:int qemuRegister(void) {                                                                                     
virRegisterDriver(&qemuDriver);                                                                           virRegisterStateDriver(&qemuStateDriver);                                                                
virNWFilterRegisterCallbackDriver(&qemuCallbackDriver);                                                   return 0;                                                                                                  }    
> In qemuDriver, I find a function --qemudOpen which, I guess, contains the method what I want. But I failed
to find right messages. Could you please give me some tips? I guess there has got to contain related
interfaces to connect between libvirt and qemu.      Thanks a lot! 		 	   		  

You are probably most interested in src/qemu/qemu_command.c, which
constructs the command lines used to invoke the appropriate qemu process.

--

-- 
Eric Blake   eblake@...    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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