HTTP Caching

src/Config.zig

@@ -156,6 +156,13 @@ pub fn userAgentSuffix(self: *const Config) ?[]const u8 {
     };
 }
 
+pub fn cacheDir(self: *const Config) ?[]const u8 {
+    return switch (self.mode) {
+        inline .serve, .fetch, .mcp => |opts| opts.common.cache_dir,
+        else => null,
+    };
+}
+
 pub fn cdpTimeout(self: *const Config) usize {
     return switch (self.mode) {
         .serve => |opts| if (opts.timeout > 604_800) 604_800_000 else @as(usize, opts.timeout) * 1000,
@@ -240,6 +247,7 @@ pub const Common = struct {
     log_format: ?log.Format = null,
     log_filter_scopes: ?[]log.Scope = null,
     user_agent_suffix: ?[]const u8 = null,
+    cache_dir: ?[]const u8 = null,
 
     web_bot_auth_key_file: ?[]const u8 = null,
     web_bot_auth_keyid: ?[]const u8 = null,
@@ -907,5 +915,14 @@ fn parseCommonArg(
         return true;
     }
 
+    if (std.mem.eql(u8, "--cache_dir", opt)) {
+        const str = args.next() orelse {
+            log.fatal(.app, "missing argument value", .{ .arg = "--cache_dir" });
+            return error.InvalidArgument;
+        };
+        common.cache_dir = try allocator.dupe(u8, str);
+        return true;
+    }
+
     return false;
 }

src/Notification.zig

@@ -21,7 +21,7 @@ const lp = @import("lightpanda");
 
 const log = @import("log.zig");
 const Page = @import("browser/Page.zig");
-const Transfer = @import("browser/HttpClient.zig").Transfer;
+const LiveTransfer = @import("browser/HttpClient.zig").LiveTransfer;
 
 const Allocator = std.mem.Allocator;
 
@@ -138,34 +138,34 @@ pub const PageFrameCreated = struct {
 };
 
 pub const RequestStart = struct {
-    transfer: *Transfer,
+    transfer: *LiveTransfer,
 };
 
 pub const RequestIntercept = struct {
-    transfer: *Transfer,
+    transfer: *LiveTransfer,
     wait_for_interception: *bool,
 };
 
 pub const RequestAuthRequired = struct {
-    transfer: *Transfer,
+    transfer: *LiveTransfer,
     wait_for_interception: *bool,
 };
 
 pub const ResponseData = struct {
     data: []const u8,
-    transfer: *Transfer,
+    transfer: *LiveTransfer,
 };
 
 pub const ResponseHeaderDone = struct {
-    transfer: *Transfer,
+    transfer: *LiveTransfer,
 };
 
 pub const RequestDone = struct {
-    transfer: *Transfer,
+    transfer: *LiveTransfer,
 };
 
 pub const RequestFail = struct {
-    transfer: *Transfer,
+    transfer: *LiveTransfer,
     err: anyerror,
 };