╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ serve_ssh_protocol.zig ───────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
1774 const recipient_channel = try r.takeInt(u32, .big); 1775 if (recipient_channel != expected_channel) return error.UnknownChannel; 1776 if (r.buffered().len != 0) return error.InvalidChannelMessage; 1777 } 1778 1779 /// Send a CHANNEL_WINDOW_ADJUST if our receive window has dipped below half 1780 /// of the initial value. Used both for the pre-session discard path and by 1781 /// SessionCtx after it consumes a CHANNEL_DATA payload. 1782 fn maybeRefillRecvWindow( 1783 io: std.Io, 1784 allocator: std.mem.Allocator, 1785 sc_cipher: *Cipher, 1786 writer: *std.Io.Writer, 1787 ch: *Channel, 1788 ) !void { 1789 if (ch.local_window >= initial_recv_window / 2) return; 1790 const add = initial_recv_window - ch.local_window; 1791 ch.local_window += add; 1792 var adj: std.ArrayList(u8) = .empty; 1793 defer adj.deinit(allocator); 1794 try adj.append(allocator, SSH_MSG_CHANNEL_WINDOW_ADJUST); 1795 try writeU32(&adj, allocator, ch.remote_id); 1796 try writeU32(&adj, allocator, add); 1797 try sc_cipher.writePacket(io, allocator, writer, adj.items); 1798 } 1799 1800 pub fn writeU32(buf: *std.ArrayList(u8), allocator: std.mem.Allocator, value: u32) !void { 1801 var bytes: [4]u8 = undefined; 1802 std.mem.writeInt(u32, &bytes, value, .big); 1803 try buf.appendSlice(allocator, &bytes); 1804 } 1805