we do need a separate scrollback size and possibly multiple packets

client.c

@@ -108,7 +108,6 @@ static int client_mainloop(void) {
 					client.need_resize = true;
 					break;
 				case MSG_EXIT:
-                    info("MSG_EXIT from server.socket\n");
 					client_send_packet(&pkt);
 					close(server.socket);
 					return pkt.u.i;
@@ -163,9 +162,7 @@ static int client_mainloop(void) {
 				}
 			} else if (len == 0) {
 				debug("client-stdin: EOF\n");
-                info("EOF from stdin\n");
                 server.next_session[0] = '\0';
-                /* close(server.socket); */
 				return 0;
 			}
 		}

server.c

@@ -112,6 +112,29 @@ static bool server_write_scrollback(Packet *pkt) {
 	return true;
 }
 
+static bool server_send_scrollback(Packet *pkt) {
+	print_packet("server-send-scrollback:", pkt);
+    ssize_t len, sblen;
+    uint32_t ii;
+    if (scrollback.wrap)
+        sblen = SCROLLBACK_SIZE;
+    else
+        sblen = scrollback.position-1;
+	pkt->type = MSG_CONTENT;
+    // Multiple packets need to be set possibly: need a double loop
+    for (ii=0;ii<len;ii++) {
+        pkt->u.msg[ii] = 1;
+    }
+	/* if (len > 0) */
+	/* 	pkt->len = len; */
+	/* else if (len == 0) */
+	/* 	server.running = false; */
+	/* else if (len == -1 && errno != EAGAIN && errno != EINTR && errno != EWOULDBLOCK) */
+	/* 	server.running = false; */
+    // double loop to message size
+    return true;
+}
+
 static bool server_recv_packet(Client *c, Packet *pkt) {
 	if (recv_packet(c->socket, pkt)) {
 		print_packet("server-recv:", pkt);
@@ -230,6 +253,9 @@ static void server_mainloop(void) {
 		if (FD_ISSET(server.pty, &readfds))
 			pty_data = server_read_pty(&server_packet);
 
+        if (pty_data)
+            server_write_scrollback(&server_packet);
+
 		for (Client **prev_next = &server.clients, *c = server.clients; c;) {
 			if (FD_ISSET(c->socket, &readfds) && server_recv_packet(c, &client_packet)) {
 				switch (client_packet.type) {

splex.c

@@ -63,7 +63,9 @@
 #define countof(arr) (sizeof(arr) / sizeof((arr)[0]))
 
 #define RV_DETACH -1
-    
+#define PACKET_MSG_SIZE 4096-2*sizeof(uint32_t)
+#define SCROLLBACK_SIZE 1024
+
 char* splex_session_names = "0123456789";
 char* shell_cmd[2] = { "/bin/bash", NULL };
 
@@ -80,7 +82,7 @@ typedef struct {
 	uint32_t type;
 	uint32_t len;
 	union {
-		char msg[4096 - 2*sizeof(uint32_t)];
+		char msg[PACKET_MSG_SIZE];
 		struct {
 			uint16_t rows;
 			uint16_t cols;
@@ -125,7 +127,6 @@ typedef struct {
     char next_session[2];
 } Server;
 
-#define SCROLLBACK_SIZE 8192
 typedef struct {
     char buffer[SCROLLBACK_SIZE];
     uint32_t position;