flatbuffer base

inc/proto/msg.h

@@ -2,25 +2,59 @@
 #define __PROTO_MSG_H__
 
 #include "wsServer/include/ws.h"
+#include <stdint.h>
 #include <stdlib.h>
+#include "flatcc/flatcc_builder.h"
+
+// Raw FlatBuffers frame copied from the WS thread, queued to the main loop.
+typedef struct {
+    uint8_t* data;
+    size_t   size;
+} FbMessage;
 
 typedef struct {
     ws_cli_conn_t clientIdx;
-    uint8_t* msg;
-    size_t msgLen;
+    uint8_t*      msg;
+    size_t        msgLen;
 } OutgoingMessage;
 
-typedef struct {
-    uint64_t nonce;
-    uint8_t packetType;
-    uint8_t payloadHeader;
-    const void* payload;
-    size_t payloadLen;
-} BaseMessage;
+// Build a ServerMessage{AuthResponse} frame.  Returns a malloc'd buffer;
+// ownership is transferred to the caller (dispatchOutgoingMessage will free it).
+uint8_t* fb_build_auth_response(uint64_t nonce, uint64_t seat_id, size_t* len_out);
 
-BaseMessage* parseMessage(const uint8_t* bytes, size_t size);
-uint8_t* createControlNotifyMessage(uint64_t nonce, uint64_t clockCounter, uint8_t newEmulState, size_t* lenOut);
-uint8_t* createDoneRegMessage(uint64_t nonce, uint8_t X, uint64_t devId, uint64_t segId, uint64_t startAddr, uint64_t segLength, uint32_t regId, size_t* lenOut);
-uint8_t* createStreamSegmentPush(uint8_t mode, uint32_t regId, uint64_t clockCounter, uint8_t* payload, size_t payloadLen, size_t* lenOut);
+// Build a ServerMessage{CtrlServerMessage{ExecNotifyMessage}} frame.
+uint8_t* fb_build_exec_notify(uint64_t nonce, uint64_t tclk, uint8_t state, size_t* len_out);
 
-#endif //ifndef __PROTO_MSG_H__
+// Build a ServerMessage{StreamServerMessage{StreamDataPush}} frame.
+// B must be a pre-initialized flatcc_builder_t; it is reset before use
+// so the caller does not need to reset it manually between calls.
+uint8_t* fb_build_stream_data_push(
+    flatcc_builder_t *B,
+    uint64_t nonce, uint32_t stream_id, uint64_t tclk,
+    const uint8_t* data, size_t data_len,
+    size_t* len_out);
+
+// Build a ServerMessage{CtrlServerMessage{SetupBuf}} frame (echo back to client).
+uint8_t* fb_build_setup_buf(uint64_t nonce, uint32_t lost_buf_size,
+    uint64_t client_lifetime_ticks, size_t* len_out);
+
+// Build a ServerMessage{CtrlServerMessage{OrphanedResponse{entries=[]}}} frame.
+uint8_t* fb_build_orphaned_response(uint64_t nonce, size_t* len_out);
+
+// Build a ServerMessage{CtrlServerMessage{LostMessagesResponse{seat_id, messages=[]}}} frame.
+uint8_t* fb_build_lost_messages_response(uint64_t nonce, uint64_t seat_id, size_t* len_out);
+
+// Build a ServerMessage{MemServerMessage{MemReadResponse}} frame.
+uint8_t* fb_build_mem_read_response(
+    uint64_t nonce, uint64_t tclk,
+    uint32_t device_id, uint32_t seg_id, uint32_t offset,
+    const uint8_t* data, size_t data_len,
+    size_t* len_out);
+
+// Build a ServerMessage{StreamServerMessage{StreamRegConfirm}} frame.
+uint8_t* fb_build_stream_reg_confirm(
+    uint64_t nonce, uint32_t stream_id,
+    uint32_t device_id, uint32_t seg_id, uint32_t offset, uint32_t length,
+    uint8_t mode, size_t* len_out);
+
+#endif // __PROTO_MSG_H__