Add project files

.editorconfig

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+# Remove the line below if you want to inherit .editorconfig settings from higher directories
+root = true
+
+# C# files
+[*.cs]
+
+#### Core EditorConfig Options ####
+
+# Indentation and spacing
+indent_size = 4
+indent_style = space
+tab_width = 4
+
+# New line preferences
+end_of_line = crlf
+insert_final_newline = false
+
+#### .NET Coding Conventions ####
+
+# Organize usings
+dotnet_separate_import_directive_groups = false
+dotnet_sort_system_directives_first = true
+file_header_template = unset
+
+# this. and Me. preferences
+dotnet_style_qualification_for_event = false
+dotnet_style_qualification_for_field = false
+dotnet_style_qualification_for_method = false
+dotnet_style_qualification_for_property = true
+
+# Language keywords vs BCL types preferences
+dotnet_style_predefined_type_for_locals_parameters_members = true
+dotnet_style_predefined_type_for_member_access = true
+
+# Parentheses preferences
+dotnet_style_parentheses_in_arithmetic_binary_operators = always_for_clarity:warning
+dotnet_style_parentheses_in_other_binary_operators = always_for_clarity:warning
+dotnet_style_parentheses_in_other_operators = never_if_unnecessary:suggestion
+dotnet_style_parentheses_in_relational_binary_operators = always_for_clarity:warning
+
+# Modifier preferences
+dotnet_style_require_accessibility_modifiers = for_non_interface_members
+
+# Expression-level preferences
+dotnet_style_coalesce_expression = true:warning
+dotnet_style_collection_initializer = true
+dotnet_style_explicit_tuple_names = true:warning
+dotnet_style_namespace_match_folder = true
+dotnet_style_null_propagation = true
+dotnet_style_object_initializer = true
+dotnet_style_operator_placement_when_wrapping = beginning_of_line
+dotnet_style_prefer_auto_properties = true
+dotnet_style_prefer_compound_assignment = true
+dotnet_style_prefer_conditional_expression_over_assignment = true
+dotnet_style_prefer_conditional_expression_over_return = false
+dotnet_style_prefer_foreach_explicit_cast_in_source = when_strongly_typed
+dotnet_style_prefer_inferred_anonymous_type_member_names = true
+dotnet_style_prefer_inferred_tuple_names = true
+dotnet_style_prefer_is_null_check_over_reference_equality_method = true:warning
+dotnet_style_prefer_simplified_boolean_expressions = true:warning
+dotnet_style_prefer_simplified_interpolation = true
+
+# Field preferences
+dotnet_style_readonly_field = true:silent
+
+# Parameter preferences
+dotnet_code_quality_unused_parameters = non_public:silent
+
+# Suppression preferences
+dotnet_remove_unnecessary_suppression_exclusions = none
+
+# New line preferences
+dotnet_style_allow_multiple_blank_lines_experimental = true
+dotnet_style_allow_statement_immediately_after_block_experimental = true
+
+#### C# Coding Conventions ####
+
+# var preferences
+csharp_style_var_elsewhere = false
+csharp_style_var_for_built_in_types = false
+csharp_style_var_when_type_is_apparent = true
+
+# Expression-bodied members
+csharp_style_expression_bodied_accessors = true
+csharp_style_expression_bodied_constructors = false
+csharp_style_expression_bodied_indexers = true
+csharp_style_expression_bodied_lambdas = true
+csharp_style_expression_bodied_local_functions = when_on_single_line
+csharp_style_expression_bodied_methods = when_on_single_line
+csharp_style_expression_bodied_operators = when_on_single_line
+csharp_style_expression_bodied_properties = when_on_single_line
+
+# Pattern matching preferences
+csharp_style_pattern_matching_over_as_with_null_check = true
+csharp_style_pattern_matching_over_is_with_cast_check = true:silent
+csharp_style_prefer_extended_property_pattern = true
+csharp_style_prefer_not_pattern = true:warning
+csharp_style_prefer_pattern_matching = true:suggestion
+csharp_style_prefer_switch_expression = true
+
+# Null-checking preferences
+csharp_style_conditional_delegate_call = true:warning
+
+# Modifier preferences
+csharp_prefer_static_local_function = true:silent
+csharp_preferred_modifier_order = public,private,protected,internal,file,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,required,volatile,async
+csharp_style_prefer_readonly_struct = true:silent
+
+# Code-block preferences
+csharp_prefer_braces = when_multiline
+csharp_prefer_simple_using_statement = true
+csharp_style_namespace_declarations = file_scoped:warning
+csharp_style_prefer_method_group_conversion = true
+csharp_style_prefer_top_level_statements = false
+
+# Expression-level preferences
+csharp_prefer_simple_default_expression = true
+csharp_style_deconstructed_variable_declaration = true:warning
+csharp_style_implicit_object_creation_when_type_is_apparent = true
+csharp_style_inlined_variable_declaration = true
+csharp_style_prefer_index_operator = true:silent
+csharp_style_prefer_local_over_anonymous_function = true
+csharp_style_prefer_null_check_over_type_check = true:warning
+csharp_style_prefer_range_operator = true
+csharp_style_prefer_tuple_swap = true
+csharp_style_prefer_utf8_string_literals = true
+csharp_style_throw_expression = true:silent
+csharp_style_unused_value_assignment_preference = discard_variable:warning
+csharp_style_unused_value_expression_statement_preference = discard_variable:warning
+
+# 'using' directive preferences
+csharp_using_directive_placement = outside_namespace:warning
+
+# New line preferences
+csharp_style_allow_blank_line_after_colon_in_constructor_initializer_experimental = false
+csharp_style_allow_blank_line_after_token_in_arrow_expression_clause_experimental = false
+csharp_style_allow_blank_line_after_token_in_conditional_expression_experimental = false
+csharp_style_allow_blank_lines_between_consecutive_braces_experimental = false
+csharp_style_allow_embedded_statements_on_same_line_experimental = false
+
+#### C# Formatting Rules ####
+
+# New line preferences
+csharp_new_line_before_catch = true
+csharp_new_line_before_else = true
+csharp_new_line_before_finally = true
+csharp_new_line_before_members_in_anonymous_types = false
+csharp_new_line_before_members_in_object_initializers = false
+csharp_new_line_before_open_brace = all
+csharp_new_line_between_query_expression_clauses = true
+
+# Indentation preferences
+csharp_indent_block_contents = true
+csharp_indent_braces = false
+csharp_indent_case_contents = true
+csharp_indent_case_contents_when_block = false
+csharp_indent_labels = one_less_than_current
+csharp_indent_switch_labels = true
+
+# Space preferences
+csharp_space_after_cast = false
+csharp_space_after_colon_in_inheritance_clause = true
+csharp_space_after_comma = true
+csharp_space_after_dot = false
+csharp_space_after_keywords_in_control_flow_statements = true
+csharp_space_after_semicolon_in_for_statement = true
+csharp_space_around_binary_operators = before_and_after
+csharp_space_around_declaration_statements = false
+csharp_space_before_colon_in_inheritance_clause = true
+csharp_space_before_comma = false
+csharp_space_before_dot = false
+csharp_space_before_open_square_brackets = false
+csharp_space_before_semicolon_in_for_statement = false
+csharp_space_between_empty_square_brackets = false
+csharp_space_between_method_call_empty_parameter_list_parentheses = false
+csharp_space_between_method_call_name_and_opening_parenthesis = false
+csharp_space_between_method_call_parameter_list_parentheses = false
+csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
+csharp_space_between_method_declaration_name_and_open_parenthesis = false
+csharp_space_between_method_declaration_parameter_list_parentheses = false
+csharp_space_between_parentheses = false
+csharp_space_between_square_brackets = false
+
+# Wrapping preferences
+csharp_preserve_single_line_blocks = true
+csharp_preserve_single_line_statements = false
+
+#### Naming styles ####
+
+# Naming rules
+
+dotnet_naming_rule.interface_should_be_begins_with_i.severity = suggestion
+dotnet_naming_rule.interface_should_be_begins_with_i.symbols = interface
+dotnet_naming_rule.interface_should_be_begins_with_i.style = begins_with_i
+
+dotnet_naming_rule.types_should_be_pascal_case.severity = suggestion
+dotnet_naming_rule.types_should_be_pascal_case.symbols = types
+dotnet_naming_rule.types_should_be_pascal_case.style = pascal_case
+
+dotnet_naming_rule.non_field_members_should_be_pascal_case.severity = suggestion
+dotnet_naming_rule.non_field_members_should_be_pascal_case.symbols = non_field_members
+dotnet_naming_rule.non_field_members_should_be_pascal_case.style = pascal_case
+
+# Symbol specifications
+
+dotnet_naming_symbols.interface.applicable_kinds = interface
+dotnet_naming_symbols.interface.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.interface.required_modifiers = 
+
+dotnet_naming_symbols.types.applicable_kinds = class, struct, interface, enum
+dotnet_naming_symbols.types.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.types.required_modifiers = 
+
+dotnet_naming_symbols.non_field_members.applicable_kinds = property, event, method
+dotnet_naming_symbols.non_field_members.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.non_field_members.required_modifiers = 
+
+# Naming styles
+
+dotnet_naming_style.pascal_case.required_prefix = 
+dotnet_naming_style.pascal_case.required_suffix = 
+dotnet_naming_style.pascal_case.word_separator = 
+dotnet_naming_style.pascal_case.capitalization = pascal_case
+
+dotnet_naming_style.begins_with_i.required_prefix = I
+dotnet_naming_style.begins_with_i.required_suffix = 
+dotnet_naming_style.begins_with_i.word_separator = 
+dotnet_naming_style.begins_with_i.capitalization = pascal_case
+
+# CS0618: Type or member is obsolete
+dotnet_diagnostic.CS0618.severity = suggestion
+
+# S3168: "async" methods should not return "void"
+dotnet_diagnostic.S3168.severity = suggestion
+
+# S1133: Deprecated code should be removed
+dotnet_diagnostic.S1133.severity = suggestion
+
+# S3264: Events should be invoked
+dotnet_diagnostic.S3264.severity = none
+
+# S3925: "ISerializable" should be implemented correctly
+dotnet_diagnostic.S3925.severity = none
+
+# S1075: URIs should not be hardcoded
+dotnet_diagnostic.S1075.severity = suggestion
+
+# S1450: Private fields only used as local variables in methods should become local variables
+dotnet_diagnostic.S1450.severity = suggestion

LICENSE

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+MIT License
+
+Copyright (c) 2023 github.com/Foretack
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

MiniTwitch.Common/Extensions/SpanExtensions.cs

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+namespace MiniTwitch.Common.Extensions;
+public static class SpanExtensions
+{
+    public static bool SumsTo(this ReadOnlySpan<byte> source, int value)
+    {
+        int sum = 0;
+        foreach (byte b in source)
+        {
+            sum += b;
+        }
+
+        return sum == value;
+    }
+    public static int Sum(this ReadOnlySpan<byte> source)
+    {
+        int sum = 0;
+        foreach (byte b in source)
+        {
+            sum += b;
+        }
+
+        return sum;
+    }
+}

MiniTwitch.Common/Extensions/TaskExtensions.cs

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+namespace MiniTwitch.Common.Extensions;
+public static class TaskExtensions
+{
+    public static async void StepOver(this ValueTask valueTask, Action<Exception>? @catch = null)
+    {
+        try
+        {
+            await valueTask;
+        }
+        catch (Exception ex) when (@catch is not null)
+        {
+            @catch.Invoke(ex);
+        }
+    }
+    public static async void StepOver(this Task task, Action<Exception>? @catch = null)
+    {
+        try
+        {
+            await task;
+        }
+        catch (Exception ex) when (@catch is not null)
+        {
+            @catch.Invoke(ex);
+        }
+    }
+}

MiniTwitch.Common/Internal/Models/ByteBucket.cs

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+using System.Net.WebSockets;
+
+namespace MiniTwitch.Common.Internal.Models;
+
+/// <summary>
+/// Helper class for byte buffering
+/// </summary>
+internal sealed class ByteBucket
+{
+    // Keep this bad boy big, because it doesn't need to be cleared
+    private readonly Memory<byte> _bucket = new(new byte[short.MaxValue]);
+    private readonly Memory<byte> _temp;
+    private int _filled = 0;
+
+    public ByteBucket(short tempBufferSize = 2048)
+    {
+        _temp = new Memory<byte>(new byte[tempBufferSize]);
+    }
+
+    /// <summary>
+    /// Receives bytes from the provided ClientWebSocket source
+    /// </summary>
+    /// <returns><see langword="true"/> if the bucket should be drained</returns>
+    public async ValueTask<bool> FillFrom(ClientWebSocket source, CancellationToken cToken)
+    {
+        // Receive bytes into _temp
+        // This overwrites previous data
+        ValueWebSocketReceiveResult result = await source.ReceiveAsync(_temp, cToken);
+        // Copy the received bytes into the bucket
+        _temp[..result.Count].CopyTo(_bucket[_filled..(result.Count + _filled)]);
+        _filled += result.Count;
+        return result.EndOfMessage;
+    }
+
+    public ReadOnlyMemory<byte> Drain()
+    {
+        ReadOnlyMemory<byte> result = _bucket[..(_filled - 2)];
+        _filled = 0;
+        return result;
+    }
+}