i am reading source code, begin with tracing simple command line ,like virsh list and forth.
please look at my qurestions
1.how libvirt communicate with qemu?
call qemu'lib or open special device/socket?
2. i do not find the implement of function qemuAgentOpen---->qemuAgentInitialize().
i also search qemu-kvm source
3. qemuListAllDomains is the function which corespond to virsh-list. please explain this function .
virDomainList(conn, driver->domains.objs, domains, flags);
i) it seems driver->domains.objs have gotten all dmains. so when and where driver->domains.objs is assigned.
ii)and what is conn,and its definition?