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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101

// 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.


/// Owned socket.
#[derive(Debug)]
pub struct OwnedExpressDataPathSocket<ROTOB: ReceiveOrTransmitOrBoth, FFQ: FreeFrameQueue>
{
	common: ManuallyDrop<CommonExpressDataPathSocket<ROTOB>>,
	
	instance: ManuallyDrop<ExpressDataPathInstance<ROTOB, FFQ>>,
}

impl<ROTOB: ReceiveOrTransmitOrBoth, FFQ: FreeFrameQueue> SpecializationHackOfDropToOvercomeComplierErrorE0367ExpressDataPathSocket for OwnedExpressDataPathSocket<ROTOB, FFQ>
{
	#[inline(always)]
	default fn specialization_of_drop(&mut self)
	{
		self.manually_drop()
	}
}

impl<ROTOB: ReceiveOrTransmitOrBoth<RP=RP> + Receives<CommonReceiveOnly<RP>>, FFQ: FreeFrameQueue, RP: ReceivePoll> SpecializationHackOfDropToOvercomeComplierErrorE0367ExpressDataPathSocket for OwnedExpressDataPathSocket<ROTOB, FFQ>
{
	#[inline(always)]
	fn specialization_of_drop(&mut self)
	{
		self.common.remove_receive_map_queue_identifier(&self.instance);
		self.manually_drop()
	}
}

impl<ROTOB: ReceiveOrTransmitOrBoth, FFQ: FreeFrameQueue> Drop for OwnedExpressDataPathSocket<ROTOB, FFQ>
{
	#[inline(always)]
	fn drop(&mut self)
	{
		self.specialization_of_drop()
	}
}

impl<ROTOB: ReceiveOrTransmitOrBoth, FFQ: FreeFrameQueue> OwnedExpressDataPathSocket<ROTOB, FFQ>
{
	/// Based on `libbpf`'s `xsk_socket__delete()`.
	#[inline(always)]
	fn manually_drop(&mut self)
	{
		unsafe
		{
			ManuallyDrop::drop(&mut self.common);
			ManuallyDrop::drop(&mut self.instance);
		}
	}
}

impl<'a, ROTOB: 'a + ReceiveOrTransmitOrBoth, FFQ: 'a + FreeFrameQueue> ExpressDataPathSocket<'a, ROTOB, FFQ> for OwnedExpressDataPathSocket<ROTOB, FFQ>
{
	#[inline(always)]
	fn user_memory(&'a self) -> &'a UserMemory<FFQ>
	{
		&self.instance.user_memory
	}
	
	#[inline(always)]
	fn common(&'a self) -> &'a CommonExpressDataPathSocket<ROTOB>
	{
		&self.common
	}
	
	#[inline(always)]
	fn express_data_path_socket_file_descriptor(&'a self) -> &'a ExpressDataPathSocketFileDescriptor
	{
		self.user_memory().user_memory_socket_file_descriptor()
	}
}

impl<'a, ROTOB: 'a + ReceiveOrTransmitOrBoth<RP=RP> + Receives<CommonReceiveOnly<RP>>, FFQ: 'a + FreeFrameQueue, RP: 'a + ReceivePoll> ReceivesExpressDataPathSocket<'a, ROTOB, FFQ, RP> for OwnedExpressDataPathSocket<ROTOB, FFQ>
{
	#[inline(always)]
	fn lock_fill_queue(&self)
	{
	}
	
	#[inline(always)]
	fn unlock_fill_queue(&self)
	{
	}
}

impl<'a, ROTOB: 'a + ReceiveOrTransmitOrBoth<TS=TS> + Transmits<CommonTransmitOnly<TS>>, FFQ: 'a + FreeFrameQueue, TS: 'a + TransmitSend> TransmitsExpressDataPathSocket<'a, ROTOB, FFQ, TS> for OwnedExpressDataPathSocket<ROTOB, FFQ>
{
	#[inline(always)]
	fn lock_completion_queue(&self)
	{
	}
	
	#[inline(always)]
	fn unlock_completion_queue(&self)
	{
	}
}