Request debug headers and log URL correctly

Merged from https://widevine-internal-review.googlesource.com/165861

We want debug headers to help diagnose b/186031735. I also
saw that we were only logging the domain name for some
errors instead of the full URL.

Bug: 186031735
Test: GtsMediaTestCases
Change-Id: I4d469a73e54f86d4d3b5d50bd0030fdb2a36df50

libwvdrmengine/cdm/core/test/http_socket.cpp

@@ -328,14 +328,13 @@ bool HttpSocket::Connect(int timeout_in_ms) {
   } else {
     if (GetError() != ERROR_ASYNC_COMPLETE) {
       // failed right away.
-      LOGE("cannot connect to %s, errno = %d", domain_name_.c_str(),
-           GetError());
+      LOGE("cannot connect to %s, errno = %d", url().c_str(), GetError());
       CloseSocket();
       return false;
     } else {
       // in progress.  block until timeout expired or connection established.
       if (!Wait(/* for_read */ false, timeout_in_ms)) {
-        LOGE("cannot connect to %s", domain_name_.c_str());
+        LOGE("cannot connect to %s", url().c_str());
         CloseSocket();
         return false;
       }

libwvdrmengine/cdm/core/test/http_socket.h

@@ -32,6 +32,9 @@ class HttpSocket {
   const std::string& domain_name() const { return domain_name_; }
   int port() const { return atoi(port_.c_str()); }
   const std::string& resource_path() const { return resource_path_; }
+  std::string url() const {
+    return scheme_ + "://" + domain_name_ + ":" + port_ + resource_path_;
+  }
 
   int ReadAndLogErrors(char* data, int len, int timeout_in_ms);
   int WriteAndLogErrors(const char* data, int len, int timeout_in_ms);

libwvdrmengine/cdm/core/test/url_request.cpp

@@ -94,7 +94,7 @@ void UrlRequest::Reconnect() {
       is_connected_ = true;
     } else {
       LOGE("Failed to connect: url = %s, port = %d, attempt = %u",
-           socket_.domain_name().c_str(), socket_.port(), i);
+           socket_.url().c_str(), socket_.port(), i);
     }
   }
 }
@@ -121,9 +121,8 @@ bool UrlRequest::GetResponse(std::string* message) {
   }
 
   ConcatenateChunkedResponse(response, message);
-  LOGV("HTTP response from %s://%s:%d%s: (%zu): %s", socket_.scheme().c_str(),
-       socket_.domain_name().c_str(), socket_.port(),
-       socket_.resource_path().c_str(), message->size(), message->c_str());
+  LOGV("HTTP response from %s: (%zu): %s", socket_.url().c_str(),
+       message->size(), message->c_str());
   return true;
 }
 
@@ -131,11 +130,9 @@ void UrlRequest::AssertOkResponse(std::string* message) {
   ASSERT_TRUE(message);
   ASSERT_TRUE(GetResponse(message));
   const int status_code = GetStatusCode(*message);
-  ASSERT_EQ(kHttpOk, status_code)
-      << "HTTP response from " << socket_.scheme() << "://"
-      << socket_.domain_name() << ":" << socket_.port()
-      << socket_.resource_path() << ": (" << message->size() << ") :\n"
-      << *message;
+  ASSERT_EQ(kHttpOk, status_code) << "HTTP response from " << socket_.url()
+                                  << ": (" << message->size() << ") :\n"
+                                  << *message;
 }
 
 // static
@@ -204,6 +201,7 @@ bool UrlRequest::PostRequestWithPath(const std::string& path,
 
   request.append("Connection: close\r\n");
   request.append("User-Agent: Widevine CDM v1.0\r\n");
+  request.append("X-Return-Encrypted-Headers: request_and_response\r\n");
 
   // buffer to store length of data as a string
   char data_size_buffer[32] = {0};