# HG changeset patch
# User Sebastien Jodogne <s.jodogne@gmail.com>
# Date 1568474861 -7200
# Node ID 9893fa8cd7a6ca25712b00245d4cb4e3dc600826
# Parent  1f74bc3459ba578560be63f552b20560c82391ba
send error message for HTTP fetching in wasm

diff -r 1f74bc3459ba -r 9893fa8cd7a6 Framework/Oracle/WebAssemblyOracle.cpp
--- a/Framework/Oracle/WebAssemblyOracle.cpp	Thu Sep 12 08:27:12 2019 +0200
+++ b/Framework/Oracle/WebAssemblyOracle.cpp	Sat Sep 14 17:27:41 2019 +0200
@@ -22,6 +22,7 @@
 #include "WebAssemblyOracle.h"
 
 #include "SleepOracleCommand.h"
+#include "OracleCommandExceptionMessage.h"
 
 #include <Core/OrthancException.h>
 #include <Core/Toolbox.h>
@@ -352,19 +353,27 @@
     static void FailureCallback(emscripten_fetch_t *fetch)
     {
       std::auto_ptr<FetchContext> context(reinterpret_cast<FetchContext*>(fetch->userData));
-      
-      const size_t kEmscriptenStatusTextSize = sizeof(emscripten_fetch_t::statusText);
-      char message[kEmscriptenStatusTextSize + 1];
-      memcpy(message, fetch->statusText, kEmscriptenStatusTextSize);
-      message[kEmscriptenStatusTextSize] = 0;
+
+      {
+        const size_t kEmscriptenStatusTextSize = sizeof(emscripten_fetch_t::statusText);
+        char message[kEmscriptenStatusTextSize + 1];
+        memcpy(message, fetch->statusText, kEmscriptenStatusTextSize);
+        message[kEmscriptenStatusTextSize] = 0;
 
-      LOG(ERROR) << "Fetching " << fetch->url
-        << " failed, HTTP failure status code: " << fetch->status
-        << " | statusText = " << message
-        << " | numBytes = " << fetch->numBytes
-        << " | totalBytes = " << fetch->totalBytes
-        << " | readyState = " << fetch->readyState;
+        LOG(ERROR) << "Fetching " << fetch->url
+                   << " failed, HTTP failure status code: " << fetch->status
+                   << " | statusText = " << message
+                   << " | numBytes = " << fetch->numBytes
+                   << " | totalBytes = " << fetch->totalBytes
+                   << " | readyState = " << fetch->readyState;
+      }
 
+      {
+        OracleCommandExceptionMessage message
+          (context->GetCommand(), Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol));
+        context->EmitMessage(message);
+      }
+      
       /**
        * TODO - The following code leads to an infinite recursion, at
        * least with Firefox running on incognito mode => WHY?