On 04/23/2018 10:48 AM, 孙得霖 wrote:
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)
Hi,
I had a similar problem.
In my case it was due to changing the name of the char-device.
I had to change my command line.
See below for more.
{
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
Try adding an id to the virtio-serial-pci device, e.g.
-device virtio-serial-pci,id=virtio-serial0
Uri.
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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