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"""
Configuration service for lsfg script management.
"""
import re
from pathlib import Path
from typing import Dict, Any
from .base_service import BaseService
from .config_schema import ConfigurationManager, ConfigurationData, CONFIG_SCHEMA
from .types import ConfigurationResponse
class ConfigurationService(BaseService):
"""Service for managing lsfg script configuration"""
def get_config(self) -> ConfigurationResponse:
"""Read current lsfg script configuration
Returns:
ConfigurationResponse with current configuration or error
"""
try:
if not self.lsfg_script_path.exists():
return {
"success": False,
"config": None,
"message": None,
"error": "lsfg script not found"
}
content = self.lsfg_script_path.read_text()
config = self._parse_script_content(content)
return {
"success": True,
"config": config,
"message": None,
"error": None
}
except (OSError, IOError) as e:
error_msg = f"Error reading lsfg config: {str(e)}"
self.log.error(error_msg)
return {
"success": False,
"config": None,
"message": None,
"error": str(e)
}
def _parse_script_content(self, content: str) -> ConfigurationData:
"""Parse script content to extract configuration values
Args:
content: Script file content
Returns:
ConfigurationData with parsed values
"""
# Start with defaults
config = ConfigurationManager.get_defaults()
lines = content.split('\n')
for line in lines:
line = line.strip()
# Parse ENABLE_LSFG
if match := re.match(r'^(#\s*)?export\s+ENABLE_LSFG=(\d+)', line):
config["enable_lsfg"] = not bool(match.group(1)) and match.group(2) == '1'
# Parse LSFG_MULTIPLIER
elif match := re.match(r'^export\s+LSFG_MULTIPLIER=(\d+)', line):
try:
config["multiplier"] = int(match.group(1))
except ValueError:
pass
# Parse LSFG_FLOW_SCALE
elif match := re.match(r'^export\s+LSFG_FLOW_SCALE=([0-9]*\.?[0-9]+)', line):
try:
config["flow_scale"] = float(match.group(1))
except ValueError:
pass
# Parse LSFG_HDR
elif match := re.match(r'^(#\s*)?export\s+LSFG_HDR=(\d+)', line):
config["hdr"] = not bool(match.group(1)) and match.group(2) == '1'
# Parse LSFG_PERF_MODE
elif match := re.match(r'^(#\s*)?export\s+LSFG_PERF_MODE=(\d+)', line):
config["perf_mode"] = not bool(match.group(1)) and match.group(2) == '1'
# Parse MESA_VK_WSI_PRESENT_MODE
elif match := re.match(r'^(#\s*)?export\s+MESA_VK_WSI_PRESENT_MODE=([^\s#]+)', line):
config["immediate_mode"] = not bool(match.group(1)) and match.group(2) == 'immediate'
# Parse DISABLE_VKBASALT
elif match := re.match(r'^(#\s*)?export\s+DISABLE_VKBASALT=(\d+)', line):
config["disable_vkbasalt"] = not bool(match.group(1)) and match.group(2) == '1'
# Parse DXVK_FRAME_RATE
elif match := re.match(r'^(#\s*)?export\s+DXVK_FRAME_RATE=(\d+)', line):
if not bool(match.group(1)): # Not commented out
try:
config["frame_cap"] = int(match.group(2))
except ValueError:
pass
else:
# If it's commented out, frame cap is disabled (0)
config["frame_cap"] = 0
return config
def update_config(self, enable_lsfg: bool, multiplier: int, flow_scale: float,
hdr: bool, perf_mode: bool, immediate_mode: bool, disable_vkbasalt: bool, frame_cap: int) -> ConfigurationResponse:
"""Update lsfg script configuration
Args:
enable_lsfg: Whether to enable LSFG
multiplier: LSFG multiplier value
flow_scale: LSFG flow scale value
hdr: Whether to enable HDR
perf_mode: Whether to enable performance mode
immediate_mode: Whether to enable immediate present mode (disable vsync)
disable_vkbasalt: Whether to disable vkbasalt layer
frame_cap: Frame rate cap value (0-60, 0 = disabled)
Returns:
ConfigurationResponse with success status
"""
try:
# Create configuration from individual arguments
config = ConfigurationManager.create_config_from_args(
enable_lsfg, multiplier, flow_scale, hdr, perf_mode, immediate_mode, disable_vkbasalt, frame_cap
)
# Generate script content using centralized manager
script_content = ConfigurationManager.generate_script_content(config)
# Write the updated script atomically
self._atomic_write(self.lsfg_script_path, script_content, 0o755)
self.log.info(f"Updated lsfg script configuration: enable_lsfg={enable_lsfg}, "
f"multiplier={multiplier}, flow_scale={flow_scale}, hdr={hdr}, "
f"perf_mode={perf_mode}, immediate_mode={immediate_mode}, "
f"disable_vkbasalt={disable_vkbasalt}, frame_cap={frame_cap}")
return {
"success": True,
"config": None,
"message": "lsfg configuration updated successfully",
"error": None
}
except (OSError, IOError) as e:
error_msg = f"Error updating lsfg config: {str(e)}"
self.log.error(error_msg)
return {
"success": False,
"config": None,
"message": None,
"error": str(e)
}
except ValueError as e:
error_msg = f"Invalid configuration arguments: {str(e)}"
self.log.error(error_msg)
return {
"success": False,
"config": None,
"message": None,
"error": str(e)
}
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