[Spice-devel] How to check if the spice-streaming-agent works correctly

[孙得霖]

Hello, I have some difficulties with spice-streaming-agent, can you help me.


when I run spice-streaming-agent, it can not read_command(have_something_to_read always return 0).
./src/spice-streaming-agent.ccp:static int have_something_to_read(int timeout)
{
    struct pollfd pollfd = {streamfd, POLLIN, 0};


    if (poll(&pollfd, 1, timeout) < 0) {
        syslog(LOG_ERR, "poll FAILED\n");
        return -1;
    }


    if (pollfd.revents == POLLIN) {
        return 1;
    }


    return 0;
}


system(centOS-7.2):
# uname -a
Linux localhost.localdomain 3.10.0-514.el7.x86_64 #1 SMP Tue Nov 22 16:42:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
cpuinfo:Intel(R) Xeon(R) CPU E3-1245 v6 @ 3.70GHz




Steps as follows:
1.host command line:
/usr/libexec/qemu-kvm -m 1024 -name f15 -drive file=/root/centos-base.img,if=virtio -vga qxl  -spice port=5900,disable-ticketing -net nic,macaddr=00:A1:00:00:00:1A -net tap,script=/etc/qemu-ifup \
-device virtio-serial-pci -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel1,id=channel1,name=org.spice-space.stream.0 -chardev spiceport,name=org.spice-space.stream.0,id=charchannel1


Bus 'virtio-serial0.0' not found, So I delete "bus=virtio-serial0.0"(is it right?)
/usr/libexec/qemu-kvm -m 1024 -name f15 -drive file=/root/centos-base.img,if=virtio -vga qxl  -spice port=5900,disable-ticketing -net nic,macaddr=00:A1:00:00:00:1A -net tap,script=/etc/qemu-ifup \
-device virtio-serial-pci -device virtserialport,nr=1,chardev=charchannel1,id=channel1,name=org.spice-space.stream.0 -chardev spiceport,name=org.spice-space.stream.0,id=charchannel1


2.start VM and install spice-streaming-agent:
./autogen
make -j 8
make install


# ls /dev/virtio-ports/
org.spice-space.stream.0


3.run spice-streaming-agent 


Have some questions:
1.spice-streaming-agent can not read_command, I don't know the reason for the failure.  
2.How to check if the spice-streaming-agent works correctly（encode stream and send it to client）
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