1 files changed, 78 insertions, 0 deletions
diff --git a/examples/userspace_client.cpp b/examples/userspace_client.cpp
new file mode 100644
index 0000000..cb2a3b4
--- /dev/null
+++ b/examples/userspace_client.cpp
@@ -0,0 +1,78 @@
+#include <stdio.h>
+#include <stdlib.h> // Needed for _wtoi
+#include <winsock2.h>
+#include <ws2tcpip.h>
+
+int main(int argc, char **argv) {
+  WSADATA wsaData = {};
+  int iResult = WSAStartup(MAKEWORD(2, 2), &wsaData);
+
+  UNREFERENCED_PARAMETER(argc);
+  UNREFERENCED_PARAMETER(argv);
+
+  if (iResult != 0) {
+    wprintf(L"WSAStartup failed: %d\n", iResult);
+    return 1;
+  }
+
+  SOCKET sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+
+  if (sock == INVALID_SOCKET) {
+    wprintf(L"socket function failed with error = %d\n", WSAGetLastError());
+  } else {
+    wprintf(L"socket function succeeded\n");
+  }
+
+  sockaddr_in clientService;
+  clientService.sin_family = AF_INET;
+  clientService.sin_addr.s_addr = inet_addr("127.0.0.1");
+  clientService.sin_port = htons(9095);
+
+  do {
+    iResult = connect(sock, (SOCKADDR *)&clientService, sizeof(clientService));
+    if (iResult == SOCKET_ERROR) {
+      wprintf(L"connect function failed with error: %ld\n", WSAGetLastError());
+      Sleep(1000);
+    }
+  } while (iResult == SOCKET_ERROR);
+
+  wprintf(L"Connected to server.\n");
+
+  char sendbuf[] = "Hello Driver, greetings from userspace.";
+  iResult = send(sock, sendbuf, (int)strlen(sendbuf), 0);
+  if (iResult == SOCKET_ERROR) {
+    wprintf(L"send failed with error: %d\n", WSAGetLastError());
+    closesocket(sock);
+    WSACleanup();
+    return 1;
+  }
+
+  {
+    char recvbuf[1024];
+
+    iResult = recv(sock, recvbuf, 1024, 0);
+    if (iResult > 0) {
+      wprintf(L"Bytes received: %d\n", iResult);
+      wprintf(L"Data received: %.*s\n", iResult, recvbuf);
+    } else if (iResult == 0) {
+      wprintf(L"Connection closed by remote\n");
+    } else if (WSAGetLastError() != WSAECONNRESET) {
+      wprintf(L"recv failed: %d\n", WSAGetLastError());
+    }
+  };
+  wprintf(L"Closing Connection ..\n");
+
+  iResult = closesocket(sock);
+  if (iResult == SOCKET_ERROR) {
+    wprintf(L"closesocket function failed with error: %ld\n",
+            WSAGetLastError());
+    WSACleanup();
+    return 1;
+  }
+
+  WSACleanup();
+
+  system("pause");
+
+  return 0;
+}