Move protocol definitions into a subfolder

1 files changed, 0 insertions, 85 deletions

diff --git a/src/startup_message.zig b/src/startup_message.zig
deleted file mode 100644
index b5031c1..0000000
--- a/src/startup_message.zig
+++ /dev/null
@@ -1,85 +0,0 @@
-const std = @import("std");
-const ProtocolError = @import("main.zig").ProtocolError;
-const SSHashMap = std.StringHashMap([]const u8);
-const ByteArrayList = std.ArrayList(u8);
-
-const StartupMessage = @This();
-
-const ProtocolVersionNumber: u32 = 196608; // 3.0
-
-bytes: ?[]const u8 = null, // Owned
-parameters: SSHashMap,
-
-// message length should already have been read, b should contain the payload
-pub fn read(allocator: std.mem.Allocator, b: []const u8) !StartupMessage {
-    if (b.len < 4) return ProtocolError.InvalidMessageLength;
-
-    var bytes = try allocator.dupe(u8, b);
-    errdefer allocator.free(bytes);
-    const protocol_version = std.mem.readIntSliceBig(u32, bytes[0..4]);
-    if (protocol_version != ProtocolVersionNumber) return ProtocolError.InvalidProtocolVersion;
-
-    var parameters = SSHashMap.init(allocator);
-    var it = std.mem.splitScalar(u8, bytes[4..], 0);
-    while (it.next()) |next| {
-        const key = next;
-        const value = it.next() orelse return ProtocolError.InvalidKeyValuePair;
-        try parameters.put(key, value);
-    }
-
-    return .{
-        .bytes = bytes,
-        .parameters = parameters,
-    };
-}
-
-pub fn write(self: StartupMessage, allocator: std.mem.Allocator, stream_writer: anytype) !void {
-    var al = ByteArrayList.init(allocator);
-    defer al.deinit();
-    var cw = std.io.countingWriter(al.writer());
-    var writer = cw.writer();
-    try writer.writeIntBig(u32, 0); // length placeholder
-    try writer.writeIntBig(u32, ProtocolVersionNumber);
-    var it = self.parameters.iterator();
-    while (it.next()) |entry| {
-        try writer.writeAll(entry.key_ptr.*);
-        try writer.writeByte(0);
-        try writer.writeAll(entry.value_ptr.*);
-        try writer.writeByte(0);
-    }
-    try writer.writeByte(0);
-    std.mem.writeIntBig(u32, al.items[0..4], @as(u32, @intCast(cw.bytes_written)));
-    try stream_writer.writeAll(al.items);
-}
-
-pub fn deinit(self: *StartupMessage, allocator: std.mem.Allocator) void {
-    self.parameters.deinit();
-    if (self.bytes != null) {
-        allocator.free(self.bytes.?);
-    }
-}
-
-test "round trip" {
-    const allocator = std.testing.allocator;
-    var params = SSHashMap.init(allocator);
-    try params.put("hello", "postgres");
-    var sm = StartupMessage{
-        .parameters = params,
-    };
-    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 len = try reader.readIntBig(u32);
-    const buf = try allocator.alloc(u8, len - 4);
-    defer allocator.free(buf);
-    try reader.readNoEof(buf);
-    var sm2 = try StartupMessage.read(allocator, buf);
-    defer sm2.deinit(allocator);
-
-    try std.testing.expectEqualStrings("postgres", sm2.parameters.get("hello").?);
-}