neurocyte/flow
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zig: port log.MsgStore to 0.15.0-dev.703+597dd328e

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CJ van den Berg 2025-06-04 21:33:19 +02:00
parent 717bef9c61
commit 0e3806ab98
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9
1 changed files with 14 additions and 8 deletions
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22
src/log.zig
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@ -10,9 +10,14 @@ receiver: Receiver,
subscriber: ?tp.pid, subscriber: ?tp.pid,
heap: [32 + 1024]u8, heap: [32 + 1024]u8,
fba: std.heap.FixedBufferAllocator, fba: std.heap.FixedBufferAllocator,
msg_store: MsgStoreT, msg_store: MsgStore,
const MsgStore = std.DoublyLinkedList;
const MsgStoreEntry = struct {
data: []u8,
node: MsgStore.Node,
};
const MsgStoreT = std.DoublyLinkedList([]u8);
const Receiver = tp.Receiver(*Self); const Receiver = tp.Receiver(*Self);
const StartArgs = struct { const StartArgs = struct {
@ -38,7 +43,7 @@ fn init(args: StartArgs) !*Self {
.subscriber = null, .subscriber = null,
.heap = undefined, .heap = undefined,
.fba = std.heap.FixedBufferAllocator.init(&p.heap), .fba = std.heap.FixedBufferAllocator.init(&p.heap),
.msg_store = MsgStoreT{}, .msg_store = MsgStore{},
}; };
return p; return p;
} }
@ -55,17 +60,18 @@ fn log(msg: []const u8) void {
fn store(self: *Self, m: tp.message) void { fn store(self: *Self, m: tp.message) void {
const allocator: std.mem.Allocator = self.fba.allocator(); const allocator: std.mem.Allocator = self.fba.allocator();
const buf: []u8 = allocator.alloc(u8, m.len()) catch return; const buf: []u8 = allocator.alloc(u8, m.len()) catch return;
var node: *MsgStoreT.Node = allocator.create(MsgStoreT.Node) catch return; var msg: *MsgStoreEntry = allocator.create(MsgStoreEntry) catch return;
node.data = buf; msg.data = buf;
@memcpy(buf, m.buf); @memcpy(buf, m.buf);
self.msg_store.append(node); self.msg_store.append(&msg.node);
} }
fn store_send(self: *Self) void { fn store_send(self: *Self) void {
var node = self.msg_store.first; var node = self.msg_store.first;
if (self.subscriber) |sub| { if (self.subscriber) |sub| {
while (node) |node_| { while (node) |node_| {
sub.send_raw(tp.message{ .buf = node_.data }) catch return; const msg: *MsgStoreEntry = @fieldParentPtr("node", node_);
sub.send_raw(tp.message{ .buf = msg.data }) catch return;
node = node_.next; node = node_.next;
} }
} }
@ -73,7 +79,7 @@ fn store_send(self: *Self) void {
} }
fn store_reset(self: *Self) void { fn store_reset(self: *Self) void {
self.msg_store = MsgStoreT{}; self.msg_store = MsgStore{};
self.fba.reset(); self.fba.reset();
} }