Log server advertised protos and the selected

net/socket/ssl_client_socket.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/socket/ssl_client_socket.h"
 
+#include "base/string_util.h"
+
 namespace net {
 
 SSLClientSocket::SSLClientSocket()
     : was_npn_negotiated_(false),
       was_spdy_negotiated_(false) {
 }
 
 SSLClientSocket::NextProto SSLClientSocket::NextProtoFromString(
     const std::string& proto_string) {
   if (proto_string == "http1.1" || proto_string == "http/1.1") {
     return kProtoHTTP11;
   } else if (proto_string == "spdy/1") {
     return kProtoSPDY1;
   } else if (proto_string == "spdy/2") {
     return kProtoSPDY2;
   } else {
     return kProtoUnknown;
   }
 }
 
+// static
+const char* SSLClientSocket::NextProtoStatusToString(
+    const SSLClientSocket::NextProtoStatus status) {
+  switch (status) {
+    case kNextProtoUnsupported:
+      return "unsupported";
+    case kNextProtoNegotiated:
+      return "negotiated";
+    case kNextProtoNoOverlap:
+      return "no-overlap";
+  }
+  return NULL;
+}
+
+// static
+std::string SSLClientSocket::ServerProtosToString(
+    const std::string& server_protos) {
+  const char* protos = server_protos.c_str();
+  size_t protos_len = server_protos.length();
+  std::vector<std::string> server_protos_with_commas;
+  for (size_t i = 0; i < protos_len; ) {
+    const size_t len = protos[i];
+    std::string proto_str(&protos[i + 1], len);
+    server_protos_with_commas.push_back(proto_str);
+    i += len + 1;
+  }
+  return JoinString(server_protos_with_commas, ',');
+}
+
 bool SSLClientSocket::IgnoreCertError(int error, int load_flags) {
   if (error == OK || load_flags & LOAD_IGNORE_ALL_CERT_ERRORS)
     return true;
 
   if (error == ERR_CERT_COMMON_NAME_INVALID &&
       (load_flags & LOAD_IGNORE_CERT_COMMON_NAME_INVALID))
     return true;
 
   if (error == ERR_CERT_DATE_INVALID &&
       (load_flags & LOAD_IGNORE_CERT_DATE_INVALID))
@@ skipping 16 matching lines @@
 
 bool SSLClientSocket::was_spdy_negotiated() const {
   return was_spdy_negotiated_;
 }
 
 bool SSLClientSocket::set_was_spdy_negotiated(bool negotiated) {
   return was_spdy_negotiated_ = negotiated;
 }
 
 }  // namespace net