Porting PicoTCP WIP

user/diagdummy/diagdummy.c

@@ -1,5 +1,6 @@
 #include <ulib.h>
 #include "block.h"
+#include "tcptest.h"
 
 void main(void) {
   if (argslen() == 0) {
@@ -11,6 +12,8 @@ void main(void) {
 
   if (string_strcmp(cmd, "block") == 0) {
     diagdummy_block();
+  } else if (string_strcmp(cmd, "tcp-test") == 0) {
+    diagdummy_tcptest();
   } else {
     uprintf("diagdummy: unknown cmd %s\n", cmd);
   }

user/diagdummy/tcptest.c

@@ -0,0 +1,19 @@
+#include <stdint.h>
+#include <stddef.h>
+#include <ulib.h>
+
+#define MAX_CONNS 10
+
+void diagdummy_tcptest(void) {
+  netsock_t netsock = ipc_netsockmake(NETSOCK_IPV4, NETSOCK_TCP, 1);
+  ipc_netsocklisten(netsock, MAX_CONNS);
+
+  for (;;) {
+    netsockev_t ev = ipc_netsockpollev(netsock);
+
+    if (!IS_NETSOCKEV_READY(ev)) {
+      schedrelease();
+    } else {
+    }
+  }
+}

user/diagdummy/tcptest.h

@@ -0,0 +1,6 @@
+#ifndef DIAGDUMMY_TCPTEST_H_
+#define DIAGDUMMY_TCPTEST_H_
+
+void diagdummy_tcptest(void);
+
+#endif // DIAGDUMMY_TCPTEST_H_