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authorMartin Ashby <martin@ashbysoft.com>2023-09-26 06:51:06 +0100
committerMartin Ashby <martin@ashbysoft.com>2023-09-26 06:51:06 +0100
commit183d60a6e87230cc767c56900b94c9c694596de1 (patch)
treec08b473a293dc465989a09c5d681191898cf2c2f /src/ready_for_query.zig
parent02f9e99bfccad8837d327880f756ec7bab711783 (diff)
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Move protocol definitions into a subfolder
Diffstat (limited to 'src/ready_for_query.zig')
-rw-r--r--src/ready_for_query.zig55
1 files changed, 0 insertions, 55 deletions
diff --git a/src/ready_for_query.zig b/src/ready_for_query.zig
deleted file mode 100644
index 883d9e1..0000000
--- a/src/ready_for_query.zig
+++ /dev/null
@@ -1,55 +0,0 @@
-const std = @import("std");
-const ProtocolError = @import("main.zig").ProtocolError;
-const enum_from_int = @import("main.zig").enum_from_int;
-const ByteArrayList = std.ArrayList(u8);
-
-const ReadyForQuery = @This();
-pub const Tag: u8 = 'Z';
-
-const TransactionStatus = enum(u8) {
- idle = 'I',
- transaction = 'T',
- err = 'E',
-};
-
-transaction_status: TransactionStatus,
-
-pub fn read(allocator: std.mem.Allocator, b: []const u8) !ReadyForQuery {
- _ = allocator;
- if (b.len != 1) return ProtocolError.InvalidMessageLength;
- return .{
- .transaction_status = enum_from_int(TransactionStatus,b[0]) orelse return ProtocolError.InvalidTransactionStatus
- };
-}
-pub fn write(self: ReadyForQuery, allocator: std.mem.Allocator, stream_writer: anytype) !void {
- _ = allocator;
- try stream_writer.writeByte(Tag);
- try stream_writer.writeIntBig(u32, 5);
- try stream_writer.writeByte(@intFromEnum(self.transaction_status));
-}
-pub fn deinit(_: *ReadyForQuery, _: std.mem.Allocator) void {}
-
-test "round trip" {
- const allocator = std.testing.allocator;
- var sm = ReadyForQuery{
- .transaction_status = TransactionStatus.idle,
- };
- defer sm.deinit(allocator);
-
- var bal = ByteArrayList.init(allocator);
- defer bal.deinit();
- try sm.write(allocator, bal.writer());
-
- var fbs = std.io.fixedBufferStream(bal.items);
- var reader = fbs.reader();
- const tag = try reader.readByte();
- try std.testing.expectEqual(Tag, tag);
- const len = try reader.readIntBig(u32);
- const buf = try allocator.alloc(u8, len - 4);
- defer allocator.free(buf);
- try reader.readNoEof(buf);
- var sm2 = try ReadyForQuery.read(allocator, buf);
- defer sm2.deinit(allocator);
-
- try std.testing.expectEqual(TransactionStatus.idle, sm2.transaction_status);
-}