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mcp: promot Server.zig to file struct

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Adrià Arrufat
2026-02-28 21:02:49 +09:00
parent 5ec4305a9f
commit aae9a505e0
6 changed files with 126 additions and 128 deletions
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6
src/lightpanda.zig
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@@ -29,11 +29,7 @@ pub const log = @import("log.zig");
pub const js = @import("browser/js/js.zig"); pub const js = @import("browser/js/js.zig");
pub const dump = @import("browser/dump.zig"); pub const dump = @import("browser/dump.zig");
pub const markdown = @import("browser/markdown.zig"); pub const markdown = @import("browser/markdown.zig");
pub const mcp = struct { pub const mcp = @import("mcp.zig");
pub const Server = @import("mcp/Server.zig").McpServer;
pub const protocol = @import("mcp/protocol.zig");
pub const router = @import("mcp/router.zig");
};
pub const build_config = @import("build_config"); pub const build_config = @import("build_config");
pub const crash_handler = @import("crash_handler.zig"); pub const crash_handler = @import("crash_handler.zig");

3
src/mcp.zig Normal file
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@@ -0,0 +1,3 @@
pub const Server = @import("mcp/Server.zig");
pub const protocol = @import("mcp/protocol.zig");
pub const router = @import("mcp/router.zig");

5
src/mcp/Server.zig
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@@ -4,8 +4,8 @@ const lp = @import("lightpanda");
const App = @import("../App.zig"); const App = @import("../App.zig");
const HttpClient = @import("../http/Client.zig"); const HttpClient = @import("../http/Client.zig");
const Self = @This();
pub const McpServer = struct {
allocator: std.mem.Allocator, allocator: std.mem.Allocator,
app: *App, app: *App,
@@ -24,8 +24,6 @@ pub const McpServer = struct {
stdout_mutex: std.Thread.Mutex = .{}, stdout_mutex: std.Thread.Mutex = .{},
const Self = @This();
pub fn init(allocator: std.mem.Allocator, app: *App) !*Self { pub fn init(allocator: std.mem.Allocator, app: *App) !*Self {
const self = try allocator.create(Self); const self = try allocator.create(Self);
errdefer allocator.destroy(self); errdefer allocator.destroy(self);
@@ -137,4 +135,3 @@ pub const McpServer = struct {
try stdout.interface.writeByte('\n'); try stdout.interface.writeByte('\n');
try stdout.interface.flush(); try stdout.interface.flush();
} }
};

14
src/mcp/resources.zig
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@@ -1,9 +1,11 @@
const std = @import("std"); const std = @import("std");
const McpServer = @import("Server.zig").McpServer;
const protocol = @import("protocol.zig");
const lp = @import("lightpanda"); const lp = @import("lightpanda");
pub fn handleList(server: *McpServer, req: protocol.Request) !void { const protocol = @import("protocol.zig");
const Server = @import("Server.zig");
pub fn handleList(server: *Server, req: protocol.Request) !void {
const resources = [_]protocol.Resource{ const resources = [_]protocol.Resource{
.{ .{
.uri = "mcp://page/html", .uri = "mcp://page/html",
@@ -32,7 +34,7 @@ const ReadParams = struct {
uri: []const u8, uri: []const u8,
}; };
pub fn handleRead(server: *McpServer, arena: std.mem.Allocator, req: protocol.Request) !void { pub fn handleRead(server: *Server, arena: std.mem.Allocator, req: protocol.Request) !void {
if (req.params == null) { if (req.params == null) {
return sendError(server, req.id.?, -32602, "Missing params"); return sendError(server, req.id.?, -32602, "Missing params");
} }
@@ -78,7 +80,7 @@ pub fn handleRead(server: *McpServer, arena: std.mem.Allocator, req: protocol.Re
} }
} }
pub fn sendResult(server: *McpServer, id: std.json.Value, result: anytype) !void { pub fn sendResult(server: *Server, id: std.json.Value, result: anytype) !void {
const GenericResponse = struct { const GenericResponse = struct {
jsonrpc: []const u8 = "2.0", jsonrpc: []const u8 = "2.0",
id: std.json.Value, id: std.json.Value,
@@ -90,7 +92,7 @@ pub fn sendResult(server: *McpServer, id: std.json.Value, result: anytype) !void
}); });
} }
pub fn sendError(server: *McpServer, id: std.json.Value, code: i64, message: []const u8) !void { pub fn sendError(server: *Server, id: std.json.Value, code: i64, message: []const u8) !void {
try server.sendResponse(protocol.Response{ try server.sendResponse(protocol.Response{
.id = id, .id = id,
.@"error" = protocol.Error{ .@"error" = protocol.Error{

10
src/mcp/router.zig
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@@ -3,12 +3,12 @@ const std = @import("std");
const lp = @import("lightpanda"); const lp = @import("lightpanda");
const log = lp.log; const log = lp.log;
const McpServer = @import("Server.zig").McpServer;
const protocol = @import("protocol.zig"); const protocol = @import("protocol.zig");
const resources = @import("resources.zig"); const resources = @import("resources.zig");
const Server = @import("Server.zig");
const tools = @import("tools.zig"); const tools = @import("tools.zig");
pub fn processRequests(server: *McpServer) void { pub fn processRequests(server: *Server) void {
while (server.is_running.load(.seq_cst)) { while (server.is_running.load(.seq_cst)) {
if (server.getNextMessage()) |msg| { if (server.getNextMessage()) |msg| {
defer server.allocator.free(msg); defer server.allocator.free(msg);
@@ -25,7 +25,7 @@ pub fn processRequests(server: *McpServer) void {
} }
} }
fn handleMessage(server: *McpServer, arena: std.mem.Allocator, msg: []const u8) !void { fn handleMessage(server: *Server, arena: std.mem.Allocator, msg: []const u8) !void {
const parsed = std.json.parseFromSliceLeaky(protocol.Request, arena, msg, .{ const parsed = std.json.parseFromSliceLeaky(protocol.Request, arena, msg, .{
.ignore_unknown_fields = true, .ignore_unknown_fields = true,
}) catch |err| { }) catch |err| {
@@ -62,7 +62,7 @@ fn handleMessage(server: *McpServer, arena: std.mem.Allocator, msg: []const u8)
} }
} }
fn sendResponseGeneric(server: *McpServer, id: std.json.Value, result: anytype) !void { fn sendResponseGeneric(server: *Server, id: std.json.Value, result: anytype) !void {
const GenericResponse = struct { const GenericResponse = struct {
jsonrpc: []const u8 = "2.0", jsonrpc: []const u8 = "2.0",
id: std.json.Value, id: std.json.Value,
@@ -74,7 +74,7 @@ fn sendResponseGeneric(server: *McpServer, id: std.json.Value, result: anytype)
}); });
} }
fn handleInitialize(server: *McpServer, req: protocol.Request) !void { fn handleInitialize(server: *Server, req: protocol.Request) !void {
const result = protocol.InitializeResult{ const result = protocol.InitializeResult{
.protocolVersion = "2024-11-05", .protocolVersion = "2024-11-05",
.capabilities = .{ .capabilities = .{

12
src/mcp/tools.zig
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@@ -7,10 +7,10 @@ const js = lp.js;
const Element = @import("../browser/webapi/Element.zig"); const Element = @import("../browser/webapi/Element.zig");
const Selector = @import("../browser/webapi/selector/Selector.zig"); const Selector = @import("../browser/webapi/selector/Selector.zig");
const String = @import("../string.zig").String; const String = @import("../string.zig").String;
const McpServer = @import("Server.zig").McpServer;
const protocol = @import("protocol.zig"); const protocol = @import("protocol.zig");
const Server = @import("Server.zig");
pub fn handleList(server: *McpServer, arena: std.mem.Allocator, req: protocol.Request) !void { pub fn handleList(server: *Server, arena: std.mem.Allocator, req: protocol.Request) !void {
const tools = [_]protocol.Tool{ const tools = [_]protocol.Tool{
.{ .{
.name = "goto", .name = "goto",
@@ -116,7 +116,7 @@ const OverParams = struct {
result: []const u8, result: []const u8,
}; };
pub fn handleCall(server: *McpServer, arena: std.mem.Allocator, req: protocol.Request) !void { pub fn handleCall(server: *Server, arena: std.mem.Allocator, req: protocol.Request) !void {
if (req.params == null) { if (req.params == null) {
return sendError(server, req.id.?, -32602, "Missing params"); return sendError(server, req.id.?, -32602, "Missing params");
} }
@@ -266,7 +266,7 @@ pub fn handleCall(server: *McpServer, arena: std.mem.Allocator, req: protocol.Re
} }
} }
fn performGoto(server: *McpServer, arena: std.mem.Allocator, url: []const u8) !void { fn performGoto(server: *Server, arena: std.mem.Allocator, url: []const u8) !void {
const url_z = try arena.dupeZ(u8, url); const url_z = try arena.dupeZ(u8, url);
_ = server.page.navigate(url_z, .{ _ = server.page.navigate(url_z, .{
.reason = .address_bar, .reason = .address_bar,
@@ -278,7 +278,7 @@ fn performGoto(server: *McpServer, arena: std.mem.Allocator, url: []const u8) !v
_ = server.session.wait(5000); _ = server.session.wait(5000);
} }
pub fn sendResult(server: *McpServer, id: std.json.Value, result: anytype) !void { pub fn sendResult(server: *Server, id: std.json.Value, result: anytype) !void {
const GenericResponse = struct { const GenericResponse = struct {
jsonrpc: []const u8 = "2.0", jsonrpc: []const u8 = "2.0",
id: std.json.Value, id: std.json.Value,
@@ -290,7 +290,7 @@ pub fn sendResult(server: *McpServer, id: std.json.Value, result: anytype) !void
}); });
} }
pub fn sendError(server: *McpServer, id: std.json.Value, code: i64, message: []const u8) !void { pub fn sendError(server: *Server, id: std.json.Value, code: i64, message: []const u8) !void {
try server.sendResponse(protocol.Response{ try server.sendResponse(protocol.Response{
.id = id, .id = id,
.@"error" = protocol.Error{ .@"error" = protocol.Error{