linux-support 0.0.25

Comprehensive Linux support for namespaces, cgroups, processes, scheduling, parsing /proc, parsing /sys, signals, hyper threads, CPUS, NUMA nodes, unusual file descriptors, PCI devices and much, much more
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// This file is part of linux-support. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/linux-support/master/COPYRIGHT. No part of linux-support, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2020 The developers of linux-support. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/linux-support/master/COPYRIGHT.


#[allow(missing_docs)]
#[derive(Debug)]
#[derive(Deserialize, Serialize)]
#[serde(deny_unknown_fields)]
pub struct PciDeviceDiagnostics
{
	pub details: DiagnosticUnobtainableResult<PciDeviceDetails>,
	
	pub child_pci_buses: DiagnosticUnobtainableResult<HashMap<PciBusAddress, DiagnosticUnobtainableResult<PciBusDetails>>>,
	
	pub resources: DiagnosticUnobtainableResult<BTreeMap<u8, ResourceEntry>>,
}

impl PciDeviceDiagnostics
{
	fn gather(sys_path: &SysPath, pci_device_address: PciDeviceAddress) -> Self
	{
		let pci_device = PciDevice::new(pci_device_address, sys_path);
		
		Self
		{
			details: catch_unwind(|| pci_device.details()).map_err(|_| DiagnosticUnobtainable(format!("Obtaining PCI device details panicked"))),
			
			child_pci_buses: match pci_device.child_pci_buses()
			{
				Err(error) => Err(DiagnosticUnobtainable::from(error)),
				
				Ok(pci_buses_with_potential_errors) =>
				{
					let mut pci_buses = HashMap::with_capacity(pci_buses_with_potential_errors.len());
					for (pci_bus_address, pci_bus_details) in pci_buses_with_potential_errors
					{
						pci_buses.insert(pci_bus_address, pci_bus_details.map_err(DiagnosticUnobtainable::from));
					}
					Ok(pci_buses)
				}
			},
			
			resources: match pci_device.resources()
			{
				Err(error) => Err(DiagnosticUnobtainable::from(error)),
				
				Ok(resources) => Ok(resources.deref().clone())
			},
		}
	}
}