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
|
//! The editor's 9P surface. The wire protocol, the client, the transports
//! and the file-server engine (`cloud9.fs.Server`) live in cloud9; this
//! module names the two engine configurations Pardes builds, the editor's
//! and the board's, and re-exports what the transports and firmware use.
const cloud9 = @import("cloud9");
pub const fs = cloud9.fs;
pub const Server = cloud9.fs.Server;
pub const Error = cloud9.Error;
pub const Type = cloud9.Type;
pub const isT = cloud9.isT;
pub const header_len = cloud9.header_len;
pub const qid_len = cloud9.qid_len;
pub const stat_fixed = cloud9.stat_fixed;
pub const notag = cloud9.notag;
pub const nofid = cloud9.nofid;
pub const max_welem = cloud9.max_welem;
pub const iohdrsz = cloud9.iohdrsz;
pub const Qid = cloud9.Qid;
pub const Stat = cloud9.Stat;
pub const Msg = cloud9.Msg;
pub const Decoded = cloud9.Decoded;
pub const frameLen = cloud9.frameLen;
pub const encode = cloud9.encode;
pub const decode = cloud9.decode;
pub const qtdir = cloud9.qtdir;
pub const qtappend = cloud9.qtappend;
pub const qtexcl = cloud9.qtexcl;
pub const qtmount = cloud9.qtmount;
pub const qtauth = cloud9.qtauth;
pub const qttmp = cloud9.qttmp;
pub const qtfile = cloud9.qtfile;
pub const dmdir = cloud9.dmdir;
pub const dmappend = cloud9.dmappend;
pub const dmexcl = cloud9.dmexcl;
pub const dmmount = cloud9.dmmount;
pub const dmauth = cloud9.dmauth;
pub const dmtmp = cloud9.dmtmp;
pub const dmperm = cloud9.dmperm;
pub const Client = cloud9.Client;
pub const ClientError = cloud9.ClientError;
pub const max_tags = cloud9.max_tags;
pub const oread = cloud9.oread;
pub const owrite = cloud9.owrite;
pub const ordwr = cloud9.ordwr;
pub const oexec = cloud9.oexec;
pub const otrunc = cloud9.otrunc;
pub const ocexec = cloud9.ocexec;
pub const orclose = cloud9.orclose;
pub const errmax = cloud9.fs.errmax;
pub const errString = cloud9.fs.errString;
pub const msize_min = cloud9.fs.msize_min;
/// The smallest msize a native listener offers (src/9p_io.zig).
pub const min_msize: u32 = 4096;
/// The editor's engine: native fid count, native file names.
pub const editor: cloud9.fs.Options = .{ .fid_capacity = max_fids, .name_capacity = 255 };
/// The board's engine: the GPIO firmware's budget (src/esp32p4_9p.zig).
pub const board: cloud9.fs.Options = .{ .fid_capacity = board_fids, .name_capacity = board_name_capacity };
pub const max_fids: usize = 256;
pub const board_fids: usize = 32;
pub const board_name_capacity: usize = 28;
const std = @import("std");
const testing = std.testing;
const Stub = struct {
pub const Req = cloud9.fs.Req;
pub const Reply = cloud9.fs.Reply;
};
test "9p server: board and native capacities size the actual fid storage" {
const Board = Server(Stub, board);
const Native = Server(Stub, editor);
const BoardFids = @FieldType(Board, "fids");
const NativeFids = @FieldType(Native, "fids");
try testing.expectEqual(32, @typeInfo(BoardFids).array.len);
try testing.expectEqual(256, @typeInfo(NativeFids).array.len);
try testing.expectEqual(28, @sizeOf(@FieldType(Board.Fid, "name")));
try testing.expectEqual(255, @sizeOf(@FieldType(Native.Fid, "name")));
try testing.expectEqual(32 * @sizeOf(Board.Fid), @sizeOf(BoardFids));
try testing.expectEqual(256 * @sizeOf(Native.Fid), @sizeOf(NativeFids));
try testing.expect(@sizeOf(BoardFids) <= 3 * 1024);
try testing.expect(@sizeOf(@FieldType(Board, "slots")) <= 8 * 1024);
try testing.expect(3 * 4096 + @sizeOf(Board) <= 24 * 1024);
try testing.expect(min_msize >= msize_min);
}
|
