From 9b9d2304fdecabee869ea77458c3368464adef7a Mon Sep 17 00:00:00 2001
From: Jay Sorg <jay.sorg@gmail.com>
Date: Thu, 2 Aug 2012 22:32:44 -0700
Subject: [PATCH] xrdpapi: got simple test working

---
 xrdpapi/simple.c  | 89 +++++++++++++++++++++++++++++++++++++++++++++++
 xrdpapi/xrdpapi.c | 14 ++++++++
 2 files changed, 103 insertions(+)
 create mode 100644 xrdpapi/simple.c

diff --git a/xrdpapi/simple.c b/xrdpapi/simple.c
new file mode 100644
index 00000000..7c7ff576
--- /dev/null
+++ b/xrdpapi/simple.c
@@ -0,0 +1,89 @@
+
+
+// xrdp_chan_test.cpp : Basic test for virtual channel use.
+
+// These headers are required for the windows terminal services calls.
+#include "xrdpapi.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#define DSIZE (1024 * 4)
+
+int main()
+{
+
+	// Initialize the data for send/receive
+	char* data;
+	char* data1;
+	data = (char*)malloc(DSIZE);
+	data1 = (char*)malloc(DSIZE);
+	memset(data, 0xca, DSIZE);
+	memset(data1, 0, DSIZE);
+
+	// Open the skel channel in current session
+
+	void* channel = WTSVirtualChannelOpenEx(WTS_CURRENT_SESSION, "skel", 0);
+
+	unsigned int written = 0;
+	// Write the data to the channel
+	int ret = WTSVirtualChannelWrite(channel, data, DSIZE, &written);
+	if (!ret)
+	{
+
+		long err = errno;
+		printf("error 1 0x%8.8x\n", err);
+		usleep(100000);
+		return 1;
+	}
+	else
+	{
+		printf("Sent bytes!\n");
+	}
+	if (written != DSIZE)
+	{
+		long err = errno;
+		printf("error 2 0x%8.8x\n", err);
+		usleep(100000);
+		return 1;
+	}
+	else
+	{
+		printf("Read bytes!\n");
+	}
+	ret = WTSVirtualChannelRead(channel, 100, data1, DSIZE, &written);
+	if (!ret)
+	{
+		long err = errno;
+		printf("error 3 0x%8.8x\n", err);
+		usleep(100000);
+		return 1;
+	}
+	if (written != DSIZE)
+	{
+		long err = errno;
+		printf("error 4 0x%8.8x\n", err);
+		usleep(100000);
+		return 1;
+	}
+	else
+	{
+		printf("Read bytes!\n");
+	}
+	ret = WTSVirtualChannelClose(channel);
+	if (memcmp(data, data1, DSIZE) == 0)
+	{
+	}
+	else
+	{
+		printf("error data no match\n");
+		return 1;
+	}
+
+	printf("Done!\n");
+
+	usleep(100000);
+	return 0;
+}
diff --git a/xrdpapi/xrdpapi.c b/xrdpapi/xrdpapi.c
index 8223c3b2..6c4eced0 100644
--- a/xrdpapi/xrdpapi.c
+++ b/xrdpapi/xrdpapi.c
@@ -19,6 +19,12 @@
 
 /* do not use os_calls in here */
 
+#define LOG_LEVEL 1
+#define LLOG(_level, _args) \
+  do { if (_level < LOG_LEVEL) { ErrorF _args ; } } while (0)
+#define LLOGLN(_level, _args) \
+  do { if (_level < LOG_LEVEL) { printf _args ; printf("\n"); } } while (0)
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -152,6 +158,7 @@ send_init(struct wts_obj* wts)
 
   memset(initmsg, 0, 64);
   strncpy(initmsg, wts->name, 8);
+  LLOGLN(10, ("send_init: sending %s", initmsg));
   if (!can_send(wts->fd, 500))
   {
     return 1;
@@ -160,6 +167,7 @@ send_init(struct wts_obj* wts)
   {
     return 1;
   }
+  LLOGLN(10, ("send_init: send ok!"));
   return 0;
 }
 
@@ -177,6 +185,7 @@ WTSVirtualChannelOpenEx(unsigned int SessionId,
 
   if (SessionId != WTS_CURRENT_SESSION)
   {
+    LLOGLN(0, ("WTSVirtualChannelOpenEx: SessionId bad"));
     return 0;
   }
   wts = (struct wts_obj*)malloc(sizeof(struct wts_obj));
@@ -203,6 +212,7 @@ WTSVirtualChannelOpenEx(unsigned int SessionId,
     bytes = sizeof(struct sockaddr_un);
     if (connect(wts->fd, (struct sockaddr*)&s, bytes) == 0)
     {
+      LLOGLN(10, ("WTSVirtualChannelOpenEx: connected ok, name %s", pVirtualName));
       strncpy(wts->name, pVirtualName, 8);
       /* wait for connection to complete and send init */
       if (send_init(wts) == 0)
@@ -212,6 +222,10 @@ WTSVirtualChannelOpenEx(unsigned int SessionId,
       }
     }
   }
+  else
+  {
+    LLOGLN(0, ("WTSVirtualChannelOpenEx: display is 0"));
+  }
   return wts;
 }