This commit is contained in:
2026-01-09 23:28:33 +00:00
parent ec4eed38e4
commit 0539d183b1
13 changed files with 1061 additions and 6 deletions

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export const VERSION = "0.4.4";
export const VERSION = "0.4.11";

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#!/usr/bin/env python3
"""
EcoOS Wayland Display Agent (eco-vdagent)
A Wayland-native replacement for spice-vdagent that uses swaymsg/wlr-output-management
instead of xrandr to configure displays.
Listens on the SPICE virtio-serial port for VD_AGENT_MONITORS_CONFIG messages
and applies the configuration to Sway outputs.
"""
import os
import sys
import struct
import subprocess
import json
import time
import signal
import logging
from pathlib import Path
# Configure logging
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - eco-vdagent - %(levelname)s - %(message)s'
)
log = logging.getLogger('eco-vdagent')
# SPICE VDAgent Protocol Constants
VD_AGENT_PROTOCOL = 1
# Message types
VD_AGENT_MOUSE_STATE = 1
VD_AGENT_MONITORS_CONFIG = 2
VD_AGENT_REPLY = 3
VD_AGENT_CLIPBOARD = 4
VD_AGENT_DISPLAY_CONFIG = 5
VD_AGENT_ANNOUNCE_CAPABILITIES = 6
VD_AGENT_CLIPBOARD_GRAB = 7
VD_AGENT_CLIPBOARD_REQUEST = 8
VD_AGENT_CLIPBOARD_RELEASE = 9
VD_AGENT_FILE_XFER_START = 10
VD_AGENT_FILE_XFER_STATUS = 11
VD_AGENT_FILE_XFER_DATA = 12
VD_AGENT_CLIENT_DISCONNECTED = 13
VD_AGENT_MAX_CLIPBOARD = 14
VD_AGENT_AUDIO_VOLUME_SYNC = 15
VD_AGENT_GRAPHICS_DEVICE_INFO = 16
# Reply error codes
VD_AGENT_SUCCESS = 1
VD_AGENT_ERROR = 2
# Capability bits
VD_AGENT_CAP_MOUSE_STATE = 0
VD_AGENT_CAP_MONITORS_CONFIG = 1
VD_AGENT_CAP_REPLY = 2
VD_AGENT_CAP_CLIPBOARD = 3
VD_AGENT_CAP_DISPLAY_CONFIG = 4
VD_AGENT_CAP_CLIPBOARD_BY_DEMAND = 5
VD_AGENT_CAP_CLIPBOARD_SELECTION = 6
VD_AGENT_CAP_SPARSE_MONITORS_CONFIG = 7
VD_AGENT_CAP_GUEST_LINEEND_LF = 8
VD_AGENT_CAP_GUEST_LINEEND_CRLF = 9
VD_AGENT_CAP_MAX_CLIPBOARD = 10
VD_AGENT_CAP_AUDIO_VOLUME_SYNC = 11
VD_AGENT_CAP_MONITORS_CONFIG_POSITION = 12
VD_AGENT_CAP_FILE_XFER_DISABLED = 13
VD_AGENT_CAP_FILE_XFER_DETAILED_ERRORS = 14
VD_AGENT_CAP_GRAPHICS_DEVICE_INFO = 15
VD_AGENT_CAP_CLIPBOARD_NO_RELEASE_ON_REGRAB = 16
VD_AGENT_CAP_CLIPBOARD_GRAB_SERIAL = 17
# Virtio serial port path
VIRTIO_PORT = '/dev/virtio-ports/com.redhat.spice.0'
# VDI Chunk header: port(4) + size(4) = 8 bytes
VDI_CHUNK_HEADER_SIZE = 8
VDI_CHUNK_HEADER_FMT = '<II' # port, size
# VDI Port constants
VDP_CLIENT_PORT = 1
VDP_SERVER_PORT = 2
# VDAgentMessage header: protocol(4) + type(4) + opaque(8) + size(4) = 20 bytes
VDAGENT_MSG_HEADER_SIZE = 20
VDAGENT_MSG_HEADER_FMT = '<IIQI' # little-endian: uint32, uint32, uint64, uint32
# VDAgentMonitorsConfig header: num_of_monitors(4) + flags(4) = 8 bytes
MONITORS_CONFIG_HEADER_SIZE = 8
MONITORS_CONFIG_HEADER_FMT = '<II'
# VDAgentMonConfig: height(4) + width(4) + depth(4) + x(4) + y(4) = 20 bytes
MON_CONFIG_SIZE = 20
MON_CONFIG_FMT = '<IIIii' # height, width, depth, x, y (x,y are signed)
class EcoVDAgent:
def __init__(self):
self.port_fd = None
self.running = True
self.sway_socket = None
def find_sway_socket(self):
"""Find the Sway IPC socket"""
# Check environment first
if 'SWAYSOCK' in os.environ:
return os.environ['SWAYSOCK']
# Search common locations
runtime_dir = os.environ.get('XDG_RUNTIME_DIR', '/run/user/1000')
# Try to find sway socket
for pattern in [f'{runtime_dir}/sway-ipc.*.sock', '/run/user/*/sway-ipc.*.sock']:
import glob
sockets = glob.glob(pattern)
if sockets:
return sockets[0]
return None
def run_swaymsg(self, *args):
"""Run swaymsg command"""
cmd = ['swaymsg']
if self.sway_socket:
cmd.extend(['-s', self.sway_socket])
cmd.extend(args)
try:
result = subprocess.run(cmd, capture_output=True, text=True, timeout=5)
if result.returncode != 0:
log.warning(f"swaymsg failed: {result.stderr}")
return result.returncode == 0, result.stdout
except Exception as e:
log.error(f"Failed to run swaymsg: {e}")
return False, ""
def get_outputs(self):
"""Get current Sway outputs"""
success, output = self.run_swaymsg('-t', 'get_outputs', '-r')
if success:
try:
return json.loads(output)
except json.JSONDecodeError:
pass
return []
def configure_output(self, name, width, height, x, y, enable=True):
"""Configure a Sway output"""
if enable:
# Try to enable and position the output
# First, try setting mode
mode_cmd = f'output {name} mode {width}x{height} position {x} {y} enable'
success, _ = self.run_swaymsg(mode_cmd)
if not success:
# Try without explicit mode (use preferred)
pos_cmd = f'output {name} position {x} {y} enable'
success, _ = self.run_swaymsg(pos_cmd)
return success
else:
return self.run_swaymsg(f'output {name} disable')[0]
def apply_monitors_config(self, monitors):
"""Apply monitor configuration to Sway outputs"""
log.info(f"Applying configuration for {len(monitors)} monitors")
# Get current outputs
outputs = self.get_outputs()
output_names = [o.get('name') for o in outputs]
log.info(f"Available outputs: {output_names}")
# Sort monitors by x position to match with outputs
monitors_sorted = sorted(enumerate(monitors), key=lambda m: m[1]['x'])
# Match monitors to outputs
for i, (mon_idx, mon) in enumerate(monitors_sorted):
if i < len(output_names):
name = output_names[i]
log.info(f"Configuring {name}: {mon['width']}x{mon['height']} at ({mon['x']}, {mon['y']})")
self.configure_output(
name,
mon['width'],
mon['height'],
mon['x'],
mon['y'],
enable=True
)
else:
log.warning(f"No output available for monitor {mon_idx}")
# Disable extra outputs
for i in range(len(monitors), len(output_names)):
name = output_names[i]
log.info(f"Disabling unused output: {name}")
self.configure_output(name, 0, 0, 0, 0, enable=False)
def parse_monitors_config(self, data):
"""Parse VD_AGENT_MONITORS_CONFIG message"""
if len(data) < MONITORS_CONFIG_HEADER_SIZE:
log.error("Monitors config data too short")
return None
num_monitors, flags = struct.unpack(MONITORS_CONFIG_HEADER_FMT, data[:MONITORS_CONFIG_HEADER_SIZE])
log.info(f"Monitors config: {num_monitors} monitors, flags={flags}")
monitors = []
offset = MONITORS_CONFIG_HEADER_SIZE
for i in range(num_monitors):
if offset + MON_CONFIG_SIZE > len(data):
log.error(f"Truncated monitor config at index {i}")
break
height, width, depth, x, y = struct.unpack(
MON_CONFIG_FMT,
data[offset:offset + MON_CONFIG_SIZE]
)
monitors.append({
'width': width,
'height': height,
'depth': depth,
'x': x,
'y': y
})
log.info(f" Monitor {i}: {width}x{height}+{x}+{y} depth={depth}")
offset += MON_CONFIG_SIZE
return monitors
def send_reply(self, msg_type, error_code):
"""Send VD_AGENT_REPLY message"""
# Reply data: type(4) + error(4) = 8 bytes
reply_data = struct.pack('<II', msg_type, error_code)
if self.send_message(VD_AGENT_REPLY, reply_data):
log.debug(f"Sent reply for type {msg_type}: {'success' if error_code == VD_AGENT_SUCCESS else 'error'}")
else:
log.error(f"Failed to send reply for type {msg_type}")
def send_message(self, msg_type, data):
"""Send a VDAgent message with proper chunk header"""
if not self.port_fd:
return False
# Build VDAgentMessage header
msg_header = struct.pack(
VDAGENT_MSG_HEADER_FMT,
VD_AGENT_PROTOCOL,
msg_type,
0, # opaque
len(data)
)
# Full message = header + data
full_msg = msg_header + data
# Build VDI chunk header (port=SERVER, size=message size)
chunk_header = struct.pack(
VDI_CHUNK_HEADER_FMT,
VDP_SERVER_PORT,
len(full_msg)
)
# Retry writes with EAGAIN handling (non-blocking fd)
message = chunk_header + full_msg
retries = 10
while retries > 0:
try:
os.write(self.port_fd, message)
return True
except OSError as e:
if e.errno == 11: # EAGAIN - resource temporarily unavailable
retries -= 1
time.sleep(0.1)
continue
log.error(f"Failed to send message type {msg_type}: {e}")
return False
log.error(f"Failed to send message type {msg_type}: EAGAIN after retries")
return False
def announce_capabilities(self):
"""Send VD_AGENT_ANNOUNCE_CAPABILITIES to register with SPICE server"""
# Build capability bits - we support monitors config
caps = 0
caps |= (1 << VD_AGENT_CAP_MONITORS_CONFIG)
caps |= (1 << VD_AGENT_CAP_REPLY)
caps |= (1 << VD_AGENT_CAP_SPARSE_MONITORS_CONFIG)
caps |= (1 << VD_AGENT_CAP_MONITORS_CONFIG_POSITION)
# VDAgentAnnounceCapabilities: request(4) + caps(4) = 8 bytes
# request=1 means we want the server to send us its capabilities
announce_data = struct.pack('<II', 1, caps)
if self.send_message(VD_AGENT_ANNOUNCE_CAPABILITIES, announce_data):
log.info("Announced capabilities to SPICE server")
else:
log.error("Failed to announce capabilities")
def handle_message(self, msg_type, data):
"""Handle a VDAgent message"""
if msg_type == VD_AGENT_MONITORS_CONFIG:
log.info("Received VD_AGENT_MONITORS_CONFIG")
monitors = self.parse_monitors_config(data)
if monitors:
self.apply_monitors_config(monitors)
self.send_reply(VD_AGENT_MONITORS_CONFIG, VD_AGENT_SUCCESS)
else:
self.send_reply(VD_AGENT_MONITORS_CONFIG, VD_AGENT_ERROR)
elif msg_type == VD_AGENT_ANNOUNCE_CAPABILITIES:
log.info("Received VD_AGENT_ANNOUNCE_CAPABILITIES")
# We could respond with our capabilities here
# For now, just acknowledge
elif msg_type == VD_AGENT_DISPLAY_CONFIG:
log.info("Received VD_AGENT_DISPLAY_CONFIG")
# Display config for disabling client display changes
elif msg_type == VD_AGENT_CLIENT_DISCONNECTED:
log.info("Client disconnected")
else:
log.debug(f"Unhandled message type: {msg_type}")
def read_message(self):
"""Read a single VDAgent message from the port (with chunk header)"""
# Read VDI chunk header first
try:
chunk_header_data = os.read(self.port_fd, VDI_CHUNK_HEADER_SIZE)
except OSError as e:
if e.errno == 11: # EAGAIN
return None
raise
if len(chunk_header_data) < VDI_CHUNK_HEADER_SIZE:
if len(chunk_header_data) == 0:
return None
log.warning(f"Short chunk header read: {len(chunk_header_data)} bytes")
return None
port, chunk_size = struct.unpack(VDI_CHUNK_HEADER_FMT, chunk_header_data)
log.debug(f"Chunk header: port={port}, size={chunk_size}")
if chunk_size < VDAGENT_MSG_HEADER_SIZE:
log.warning(f"Chunk size too small: {chunk_size}")
return None
# Read VDAgent message header
try:
header_data = os.read(self.port_fd, VDAGENT_MSG_HEADER_SIZE)
except OSError as e:
if e.errno == 11: # EAGAIN
return None
raise
if len(header_data) < VDAGENT_MSG_HEADER_SIZE:
log.warning(f"Short message header read: {len(header_data)} bytes")
return None
protocol, msg_type, opaque, size = struct.unpack(VDAGENT_MSG_HEADER_FMT, header_data)
if protocol != VD_AGENT_PROTOCOL:
log.warning(f"Unknown protocol: {protocol}")
return None
# Read message data
data = b''
while len(data) < size:
try:
chunk = os.read(self.port_fd, size - len(data))
if not chunk:
break
data += chunk
except OSError as e:
if e.errno == 11: # EAGAIN
time.sleep(0.01)
continue
raise
return msg_type, data
def signal_handler(self, signum, frame):
"""Handle shutdown signals"""
log.info(f"Received signal {signum}, shutting down...")
self.running = False
def run(self):
"""Main loop"""
# Set up signal handlers
signal.signal(signal.SIGTERM, self.signal_handler)
signal.signal(signal.SIGINT, self.signal_handler)
# Find Sway socket
self.sway_socket = self.find_sway_socket()
if self.sway_socket:
log.info(f"Using Sway socket: {self.sway_socket}")
else:
log.warning("No Sway socket found, will retry...")
# Wait for virtio port
log.info(f"Waiting for virtio port: {VIRTIO_PORT}")
while self.running and not Path(VIRTIO_PORT).exists():
time.sleep(1)
if not self.running:
return
log.info("Opening virtio port...")
try:
self.port_fd = os.open(VIRTIO_PORT, os.O_RDWR | os.O_NONBLOCK)
except OSError as e:
log.error(f"Failed to open virtio port: {e}")
return
log.info("eco-vdagent started, announcing capabilities...")
# Announce our capabilities to the SPICE server
self.announce_capabilities()
log.info("Listening for SPICE agent messages...")
# Main loop
while self.running:
try:
# Try to find Sway socket if not found yet
if not self.sway_socket:
self.sway_socket = self.find_sway_socket()
result = self.read_message()
if result:
msg_type, data = result
self.handle_message(msg_type, data)
else:
time.sleep(0.1)
except Exception as e:
log.error(f"Error in main loop: {e}")
time.sleep(1)
if self.port_fd:
os.close(self.port_fd)
log.info("eco-vdagent stopped")
if __name__ == '__main__':
agent = EcoVDAgent()
agent.run()

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@@ -26,4 +26,7 @@ systemctl enable ssh.service || true
echo "Enabling debug service..."
systemctl enable debug-network.service || true
echo "Enabling eco-vdagent service (Wayland display agent for VMs)..."
systemctl enable eco-vdagent.service || true
echo "Services enabled."

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@@ -0,0 +1,16 @@
[Unit]
Description=EcoOS Wayland Display Agent
Documentation=https://ecobridge.xyz
After=seatd.service
Wants=seatd.service
ConditionVirtualization=vm
[Service]
Type=simple
ExecStart=/opt/eco/bin/eco-vdagent
Restart=always
RestartSec=5
Environment=XDG_RUNTIME_DIR=/run/user/1000
[Install]
WantedBy=multi-user.target

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/etc/systemd/system/eco-vdagent.service

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#!/usr/bin/env python3
"""
EcoOS Wayland Display Agent (eco-vdagent)
A Wayland-native replacement for spice-vdagent that uses swaymsg/wlr-output-management
instead of xrandr to configure displays.
Listens on the SPICE virtio-serial port for VD_AGENT_MONITORS_CONFIG messages
and applies the configuration to Sway outputs.
"""
import os
import sys
import struct
import subprocess
import json
import time
import signal
import logging
from pathlib import Path
# Configure logging
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - eco-vdagent - %(levelname)s - %(message)s'
)
log = logging.getLogger('eco-vdagent')
# SPICE VDAgent Protocol Constants
VD_AGENT_PROTOCOL = 1
# Message types
VD_AGENT_MOUSE_STATE = 1
VD_AGENT_MONITORS_CONFIG = 2
VD_AGENT_REPLY = 3
VD_AGENT_CLIPBOARD = 4
VD_AGENT_DISPLAY_CONFIG = 5
VD_AGENT_ANNOUNCE_CAPABILITIES = 6
VD_AGENT_CLIPBOARD_GRAB = 7
VD_AGENT_CLIPBOARD_REQUEST = 8
VD_AGENT_CLIPBOARD_RELEASE = 9
VD_AGENT_FILE_XFER_START = 10
VD_AGENT_FILE_XFER_STATUS = 11
VD_AGENT_FILE_XFER_DATA = 12
VD_AGENT_CLIENT_DISCONNECTED = 13
VD_AGENT_MAX_CLIPBOARD = 14
VD_AGENT_AUDIO_VOLUME_SYNC = 15
VD_AGENT_GRAPHICS_DEVICE_INFO = 16
# Reply error codes
VD_AGENT_SUCCESS = 1
VD_AGENT_ERROR = 2
# Capability bits
VD_AGENT_CAP_MOUSE_STATE = 0
VD_AGENT_CAP_MONITORS_CONFIG = 1
VD_AGENT_CAP_REPLY = 2
VD_AGENT_CAP_CLIPBOARD = 3
VD_AGENT_CAP_DISPLAY_CONFIG = 4
VD_AGENT_CAP_CLIPBOARD_BY_DEMAND = 5
VD_AGENT_CAP_CLIPBOARD_SELECTION = 6
VD_AGENT_CAP_SPARSE_MONITORS_CONFIG = 7
VD_AGENT_CAP_GUEST_LINEEND_LF = 8
VD_AGENT_CAP_GUEST_LINEEND_CRLF = 9
VD_AGENT_CAP_MAX_CLIPBOARD = 10
VD_AGENT_CAP_AUDIO_VOLUME_SYNC = 11
VD_AGENT_CAP_MONITORS_CONFIG_POSITION = 12
VD_AGENT_CAP_FILE_XFER_DISABLED = 13
VD_AGENT_CAP_FILE_XFER_DETAILED_ERRORS = 14
VD_AGENT_CAP_GRAPHICS_DEVICE_INFO = 15
VD_AGENT_CAP_CLIPBOARD_NO_RELEASE_ON_REGRAB = 16
VD_AGENT_CAP_CLIPBOARD_GRAB_SERIAL = 17
# Virtio serial port path
VIRTIO_PORT = '/dev/virtio-ports/com.redhat.spice.0'
# VDI Chunk header: port(4) + size(4) = 8 bytes
VDI_CHUNK_HEADER_SIZE = 8
VDI_CHUNK_HEADER_FMT = '<II' # port, size
# VDI Port constants
VDP_CLIENT_PORT = 1
VDP_SERVER_PORT = 2
# VDAgentMessage header: protocol(4) + type(4) + opaque(8) + size(4) = 20 bytes
VDAGENT_MSG_HEADER_SIZE = 20
VDAGENT_MSG_HEADER_FMT = '<IIQI' # little-endian: uint32, uint32, uint64, uint32
# VDAgentMonitorsConfig header: num_of_monitors(4) + flags(4) = 8 bytes
MONITORS_CONFIG_HEADER_SIZE = 8
MONITORS_CONFIG_HEADER_FMT = '<II'
# VDAgentMonConfig: height(4) + width(4) + depth(4) + x(4) + y(4) = 20 bytes
MON_CONFIG_SIZE = 20
MON_CONFIG_FMT = '<IIIii' # height, width, depth, x, y (x,y are signed)
class EcoVDAgent:
def __init__(self):
self.port_fd = None
self.running = True
self.sway_socket = None
def find_sway_socket(self):
"""Find the Sway IPC socket"""
# Check environment first
if 'SWAYSOCK' in os.environ:
return os.environ['SWAYSOCK']
# Search common locations
runtime_dir = os.environ.get('XDG_RUNTIME_DIR', '/run/user/1000')
# Try to find sway socket
for pattern in [f'{runtime_dir}/sway-ipc.*.sock', '/run/user/*/sway-ipc.*.sock']:
import glob
sockets = glob.glob(pattern)
if sockets:
return sockets[0]
return None
def run_swaymsg(self, *args):
"""Run swaymsg command"""
cmd = ['swaymsg']
if self.sway_socket:
cmd.extend(['-s', self.sway_socket])
cmd.extend(args)
try:
result = subprocess.run(cmd, capture_output=True, text=True, timeout=5)
if result.returncode != 0:
log.warning(f"swaymsg failed: {result.stderr}")
return result.returncode == 0, result.stdout
except Exception as e:
log.error(f"Failed to run swaymsg: {e}")
return False, ""
def get_outputs(self):
"""Get current Sway outputs"""
success, output = self.run_swaymsg('-t', 'get_outputs', '-r')
if success:
try:
return json.loads(output)
except json.JSONDecodeError:
pass
return []
def configure_output(self, name, width, height, x, y, enable=True):
"""Configure a Sway output"""
if enable:
# Try to enable and position the output
# First, try setting mode
mode_cmd = f'output {name} mode {width}x{height} position {x} {y} enable'
success, _ = self.run_swaymsg(mode_cmd)
if not success:
# Try without explicit mode (use preferred)
pos_cmd = f'output {name} position {x} {y} enable'
success, _ = self.run_swaymsg(pos_cmd)
return success
else:
return self.run_swaymsg(f'output {name} disable')[0]
def apply_monitors_config(self, monitors):
"""Apply monitor configuration to Sway outputs"""
log.info(f"Applying configuration for {len(monitors)} monitors")
# Get current outputs
outputs = self.get_outputs()
output_names = [o.get('name') for o in outputs]
log.info(f"Available outputs: {output_names}")
# Sort monitors by x position to match with outputs
monitors_sorted = sorted(enumerate(monitors), key=lambda m: m[1]['x'])
# Match monitors to outputs
for i, (mon_idx, mon) in enumerate(monitors_sorted):
if i < len(output_names):
name = output_names[i]
log.info(f"Configuring {name}: {mon['width']}x{mon['height']} at ({mon['x']}, {mon['y']})")
self.configure_output(
name,
mon['width'],
mon['height'],
mon['x'],
mon['y'],
enable=True
)
else:
log.warning(f"No output available for monitor {mon_idx}")
# Disable extra outputs
for i in range(len(monitors), len(output_names)):
name = output_names[i]
log.info(f"Disabling unused output: {name}")
self.configure_output(name, 0, 0, 0, 0, enable=False)
def parse_monitors_config(self, data):
"""Parse VD_AGENT_MONITORS_CONFIG message"""
if len(data) < MONITORS_CONFIG_HEADER_SIZE:
log.error("Monitors config data too short")
return None
num_monitors, flags = struct.unpack(MONITORS_CONFIG_HEADER_FMT, data[:MONITORS_CONFIG_HEADER_SIZE])
log.info(f"Monitors config: {num_monitors} monitors, flags={flags}")
monitors = []
offset = MONITORS_CONFIG_HEADER_SIZE
for i in range(num_monitors):
if offset + MON_CONFIG_SIZE > len(data):
log.error(f"Truncated monitor config at index {i}")
break
height, width, depth, x, y = struct.unpack(
MON_CONFIG_FMT,
data[offset:offset + MON_CONFIG_SIZE]
)
monitors.append({
'width': width,
'height': height,
'depth': depth,
'x': x,
'y': y
})
log.info(f" Monitor {i}: {width}x{height}+{x}+{y} depth={depth}")
offset += MON_CONFIG_SIZE
return monitors
def send_reply(self, msg_type, error_code):
"""Send VD_AGENT_REPLY message"""
# Reply data: type(4) + error(4) = 8 bytes
reply_data = struct.pack('<II', msg_type, error_code)
if self.send_message(VD_AGENT_REPLY, reply_data):
log.debug(f"Sent reply for type {msg_type}: {'success' if error_code == VD_AGENT_SUCCESS else 'error'}")
else:
log.error(f"Failed to send reply for type {msg_type}")
def send_message(self, msg_type, data):
"""Send a VDAgent message with proper chunk header"""
if not self.port_fd:
return False
# Build VDAgentMessage header
msg_header = struct.pack(
VDAGENT_MSG_HEADER_FMT,
VD_AGENT_PROTOCOL,
msg_type,
0, # opaque
len(data)
)
# Full message = header + data
full_msg = msg_header + data
# Build VDI chunk header (port=SERVER, size=message size)
chunk_header = struct.pack(
VDI_CHUNK_HEADER_FMT,
VDP_SERVER_PORT,
len(full_msg)
)
# Retry writes with EAGAIN handling (non-blocking fd)
message = chunk_header + full_msg
retries = 10
while retries > 0:
try:
os.write(self.port_fd, message)
return True
except OSError as e:
if e.errno == 11: # EAGAIN - resource temporarily unavailable
retries -= 1
time.sleep(0.1)
continue
log.error(f"Failed to send message type {msg_type}: {e}")
return False
log.error(f"Failed to send message type {msg_type}: EAGAIN after retries")
return False
def announce_capabilities(self):
"""Send VD_AGENT_ANNOUNCE_CAPABILITIES to register with SPICE server"""
# Build capability bits - we support monitors config
caps = 0
caps |= (1 << VD_AGENT_CAP_MONITORS_CONFIG)
caps |= (1 << VD_AGENT_CAP_REPLY)
caps |= (1 << VD_AGENT_CAP_SPARSE_MONITORS_CONFIG)
caps |= (1 << VD_AGENT_CAP_MONITORS_CONFIG_POSITION)
# VDAgentAnnounceCapabilities: request(4) + caps(4) = 8 bytes
# request=1 means we want the server to send us its capabilities
announce_data = struct.pack('<II', 1, caps)
if self.send_message(VD_AGENT_ANNOUNCE_CAPABILITIES, announce_data):
log.info("Announced capabilities to SPICE server")
else:
log.error("Failed to announce capabilities")
def handle_message(self, msg_type, data):
"""Handle a VDAgent message"""
if msg_type == VD_AGENT_MONITORS_CONFIG:
log.info("Received VD_AGENT_MONITORS_CONFIG")
monitors = self.parse_monitors_config(data)
if monitors:
self.apply_monitors_config(monitors)
self.send_reply(VD_AGENT_MONITORS_CONFIG, VD_AGENT_SUCCESS)
else:
self.send_reply(VD_AGENT_MONITORS_CONFIG, VD_AGENT_ERROR)
elif msg_type == VD_AGENT_ANNOUNCE_CAPABILITIES:
log.info("Received VD_AGENT_ANNOUNCE_CAPABILITIES")
# We could respond with our capabilities here
# For now, just acknowledge
elif msg_type == VD_AGENT_DISPLAY_CONFIG:
log.info("Received VD_AGENT_DISPLAY_CONFIG")
# Display config for disabling client display changes
elif msg_type == VD_AGENT_CLIENT_DISCONNECTED:
log.info("Client disconnected")
else:
log.debug(f"Unhandled message type: {msg_type}")
def read_message(self):
"""Read a single VDAgent message from the port (with chunk header)"""
# Read VDI chunk header first
try:
chunk_header_data = os.read(self.port_fd, VDI_CHUNK_HEADER_SIZE)
except OSError as e:
if e.errno == 11: # EAGAIN
return None
raise
if len(chunk_header_data) < VDI_CHUNK_HEADER_SIZE:
if len(chunk_header_data) == 0:
return None
log.warning(f"Short chunk header read: {len(chunk_header_data)} bytes")
return None
port, chunk_size = struct.unpack(VDI_CHUNK_HEADER_FMT, chunk_header_data)
log.debug(f"Chunk header: port={port}, size={chunk_size}")
if chunk_size < VDAGENT_MSG_HEADER_SIZE:
log.warning(f"Chunk size too small: {chunk_size}")
return None
# Read VDAgent message header
try:
header_data = os.read(self.port_fd, VDAGENT_MSG_HEADER_SIZE)
except OSError as e:
if e.errno == 11: # EAGAIN
return None
raise
if len(header_data) < VDAGENT_MSG_HEADER_SIZE:
log.warning(f"Short message header read: {len(header_data)} bytes")
return None
protocol, msg_type, opaque, size = struct.unpack(VDAGENT_MSG_HEADER_FMT, header_data)
if protocol != VD_AGENT_PROTOCOL:
log.warning(f"Unknown protocol: {protocol}")
return None
# Read message data
data = b''
while len(data) < size:
try:
chunk = os.read(self.port_fd, size - len(data))
if not chunk:
break
data += chunk
except OSError as e:
if e.errno == 11: # EAGAIN
time.sleep(0.01)
continue
raise
return msg_type, data
def signal_handler(self, signum, frame):
"""Handle shutdown signals"""
log.info(f"Received signal {signum}, shutting down...")
self.running = False
def run(self):
"""Main loop"""
# Set up signal handlers
signal.signal(signal.SIGTERM, self.signal_handler)
signal.signal(signal.SIGINT, self.signal_handler)
# Find Sway socket
self.sway_socket = self.find_sway_socket()
if self.sway_socket:
log.info(f"Using Sway socket: {self.sway_socket}")
else:
log.warning("No Sway socket found, will retry...")
# Wait for virtio port
log.info(f"Waiting for virtio port: {VIRTIO_PORT}")
while self.running and not Path(VIRTIO_PORT).exists():
time.sleep(1)
if not self.running:
return
log.info("Opening virtio port...")
try:
self.port_fd = os.open(VIRTIO_PORT, os.O_RDWR | os.O_NONBLOCK)
except OSError as e:
log.error(f"Failed to open virtio port: {e}")
return
log.info("eco-vdagent started, announcing capabilities...")
# Announce our capabilities to the SPICE server
self.announce_capabilities()
log.info("Listening for SPICE agent messages...")
# Main loop
while self.running:
try:
# Try to find Sway socket if not found yet
if not self.sway_socket:
self.sway_socket = self.find_sway_socket()
result = self.read_message()
if result:
msg_type, data = result
self.handle_message(msg_type, data)
else:
time.sleep(0.1)
except Exception as e:
log.error(f"Error in main loop: {e}")
time.sleep(1)
if self.port_fd:
os.close(self.port_fd)
log.info("eco-vdagent stopped")
if __name__ == '__main__':
agent = EcoVDAgent()
agent.run()

View File

@@ -36,6 +36,7 @@ vim
nano
tmux
jq
python3
# System utilities
pciutils

View File

@@ -37,3 +37,4 @@ bluez-tools
# Virtualization support
qemu-guest-agent
open-vm-tools
# Note: Using eco-vdagent (Wayland-native) instead of spice-vdagent (X11-only)

128
isotest/enable-displays.py Executable file
View File

@@ -0,0 +1,128 @@
#!/usr/bin/env python3
"""
Enable multiple displays on a SPICE VM by sending monitor configuration.
Uses SpiceMainChannel.set_display() to configure displays directly.
"""
import gi
import sys
gi.require_version('SpiceClientGLib', '2.0')
from gi.repository import SpiceClientGLib, GLib
# Channel types (from spice-protocol)
CHANNEL_MAIN = 1
CHANNEL_DISPLAY = 2
class SpiceDisplayEnabler:
def __init__(self, uri, num_displays=3, width=1920, height=1080):
self.uri = uri
self.num_displays = num_displays
self.width = width
self.height = height
self.session = None
self.main_channel = None
self.display_channels = []
self.loop = GLib.MainLoop()
self.configured = False
def on_channel_new(self, session, channel):
"""Handle new channel creation"""
channel_type = channel.get_property('channel-type')
channel_id = channel.get_property('channel-id')
print(f"New channel: type={channel_type}, id={channel_id}")
if channel_type == CHANNEL_MAIN:
self.main_channel = channel
channel.connect_after('channel-event', self.on_channel_event)
elif channel_type == CHANNEL_DISPLAY:
self.display_channels.append((channel_id, channel))
print(f" Display channel {channel_id} added")
def on_channel_event(self, channel, event):
"""Handle channel events"""
print(f"Channel event: {event}")
if event == SpiceClientGLib.ChannelEvent.OPENED:
print("Main channel opened, configuring displays...")
GLib.timeout_add(2000, self.configure_monitors)
def configure_monitors(self):
"""Configure multiple monitors via SPICE protocol"""
print(f"\n=== Configuring {self.num_displays} displays ===")
print(f"Display channels available: {len(self.display_channels)}")
if not self.main_channel:
print("No main channel!")
GLib.timeout_add(1000, self.quit)
return False
# Enable and configure each display
for i in range(self.num_displays):
x = i * self.width # Position displays side by side
y = 0
print(f"Setting display {i}: {self.width}x{self.height} at ({x}, {y})")
try:
# Enable the display
self.main_channel.set_display_enabled(i, True)
# Set display geometry (id, x, y, width, height)
self.main_channel.set_display(i, x, y, self.width, self.height)
except Exception as e:
print(f" Error setting display {i}: {e}")
# Send the configuration immediately
print("\nSending monitor config to guest...")
try:
self.main_channel.send_monitor_config()
self.configured = True
print("Monitor config sent!")
except Exception as e:
print(f"Error sending config: {e}")
# Wait a bit then check agent status and quit
GLib.timeout_add(3000, self.check_and_quit)
return False
def check_and_quit(self):
"""Check final status and quit"""
if self.main_channel:
agent_connected = self.main_channel.get_property('agent-connected')
print(f"\nAgent connected: {agent_connected}")
self.quit()
return False
def quit(self):
self.loop.quit()
return False
def run(self):
print(f"Connecting to {self.uri}...")
print(f"Target: {self.num_displays} displays at {self.width}x{self.height}")
self.session = SpiceClientGLib.Session()
self.session.set_property('uri', self.uri)
self.session.connect_after('channel-new', self.on_channel_new)
if not self.session.connect():
print("Failed to connect")
return False
# Fallback timeout to configure monitors
GLib.timeout_add(5000, self.configure_monitors)
GLib.timeout_add(15000, self.quit)
self.loop.run()
print(f"\n=== Result ===")
print(f"Configured: {self.configured}")
print(f"Display channels: {len(self.display_channels)}")
return self.configured
if __name__ == '__main__':
uri = sys.argv[1] if len(sys.argv) > 1 else 'spice://localhost:5930'
num_displays = int(sys.argv[2]) if len(sys.argv) > 2 else 3
enabler = SpiceDisplayEnabler(uri, num_displays)
success = enabler.run()
sys.exit(0 if success else 1)

View File

@@ -55,6 +55,9 @@ cleanup() {
if [ -n "$VIEWER_PID" ] && kill -0 "$VIEWER_PID" 2>/dev/null; then
kill "$VIEWER_PID" 2>/dev/null || true
fi
if [ -n "$TWM_PID" ] && kill -0 "$TWM_PID" 2>/dev/null; then
kill "$TWM_PID" 2>/dev/null || true
fi
if [ -n "$XORG_PID" ] && kill -0 "$XORG_PID" 2>/dev/null; then
kill "$XORG_PID" 2>/dev/null || true
fi
@@ -78,7 +81,9 @@ qemu-system-x86_64 \
-bios /usr/share/qemu/OVMF.fd \
-drive file="$ISO_PATH",media=cdrom \
-drive file="$DISK_PATH",format=qcow2,if=virtio \
-device virtio-vga,max_outputs=3 \
-device qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,vgamem_mb=64 \
-device qxl,id=video1,ram_size=67108864,vram_size=67108864,vgamem_mb=64 \
-device qxl,id=video2,ram_size=67108864,vram_size=67108864,vgamem_mb=64 \
-display none \
-spice port=5930,disable-ticketing=on \
-device virtio-serial-pci \
@@ -163,10 +168,9 @@ if [ -z "$DISPLAY" ] && [ -z "$WAYLAND_DISPLAY" ]; then
xrandr --output DUMMY1 --mode 1920x1080 --pos 1920x0 2>/dev/null || true
xrandr --output DUMMY2 --mode 1920x1080 --pos 3840x0 2>/dev/null || true
echo "Headless X server started on :$XDISPLAY with 3 RandR monitors"
xrandr --listmonitors
echo "Headless X server started on :$XDISPLAY"
# Launch remote-viewer in fullscreen to use all monitors
# Launch remote-viewer in fullscreen to request all monitors
remote-viewer --full-screen spice://localhost:5930 &
VIEWER_PID=$!
echo "remote-viewer running headlessly (PID: $VIEWER_PID)"

View File

@@ -0,0 +1,5 @@
[virt-viewer]
share-clipboard=true
[fallback]
monitor-mapping=1:0;2:1;3:2

View File

@@ -1,6 +1,6 @@
{
"name": "@ecobridge/eco-os",
"version": "0.4.4",
"version": "0.4.11",
"private": true,
"scripts": {
"build": "[ -z \"$CI\" ] && npm version patch --no-git-tag-version || true && node -e \"const v=require('./package.json').version; require('fs').writeFileSync('ecoos_daemon/ts/version.ts', 'export const VERSION = \\\"'+v+'\\\";\\n');\" && pnpm run daemon:bundle && cp ecoos_daemon/bundle/eco-daemon isobuild/config/includes.chroot/opt/eco/bin/ && mkdir -p .nogit/iso && docker build --no-cache -t ecoos-builder -f isobuild/Dockerfile . && docker run --privileged --name ecoos-build ecoos-builder && docker cp ecoos-build:/output/ecoos.iso .nogit/iso/ecoos.iso && docker rm ecoos-build",