Don't manually memory manage AuthSrv downloads.

Author: Hoikas

AuthServ/AuthServer.cpp

@@ -620,15 +620,15 @@ void cb_downloadStart(AuthServer_Private& client)
     }
     filename = filename.replace("\\", "/");
 
-    DS::Stream* stream;
+    std::unique_ptr<DS::Stream> stream;
     // Check to see if this is our special SDL file...
     if (DS::Settings::SendDescriptorDb() && filename.ends_with(".sdl", ST::case_sensitivity_t::case_insensitive)) {
-        stream = new DS::BlobStream(s_minifiedSdl);
+        stream = std::make_unique<DS::BlobStream>(s_minifiedSdl);
     } else {
         filename = DS::Settings::AuthRoot() + filename;
-        stream = new DS::FileStream();
+        stream = std::make_unique<DS::FileStream>();
         try {
-            static_cast<DS::FileStream*>(stream)->open(filename.c_str(), "rb");
+            static_cast<DS::FileStream*>(stream.get())->open(filename.c_str(), "rb");
         } catch (const DS::FileIOException& ex) {
             ST::printf(stderr, "[Auth] Could not open file {}: {}\n[Auth] Requested by {}\n",
                     filename, ex.what(), DS::SockIpAddress(client.m_sock));
@@ -637,7 +637,6 @@ void cb_downloadStart(AuthServer_Private& client)
             client.m_buffer.write<uint32_t>(0);     // Chunk offset
             client.m_buffer.write<uint32_t>(0);     // Data packet size
             SEND_REPLY();
-            delete stream;
             return;
         }
     }
@@ -650,12 +649,11 @@ void cb_downloadStart(AuthServer_Private& client)
         client.m_buffer.write<uint32_t>(CHUNK_SIZE);
         uint8_t* data = client.m_buffer.allocate(CHUNK_SIZE);
         stream->readBytes(data, CHUNK_SIZE);
-        client.m_downloads[transId] = stream;
+        client.m_downloads[transId] = std::move(stream);
     } else {
         client.m_buffer.write<uint32_t>(stream->size());
         uint8_t* data = client.m_buffer.allocate(stream->size());
         stream->readBytes(data, stream->size());
-        delete stream;
     }
 
     SEND_REPLY();
@@ -688,7 +686,6 @@ void cb_downloadNext(AuthServer_Private& client)
         client.m_buffer.write<uint32_t>(bytesLeft);
         uint8_t* data = client.m_buffer.allocate(bytesLeft);
         fi->second->readBytes(data, bytesLeft);
-        delete fi->second;
         client.m_downloads.erase(fi);
     }
 

AuthServ/AuthServer_Private.h

@@ -26,6 +26,7 @@
 #include <unordered_map>
 #include <thread>
 #include <mutex>
+#include <memory>
 
 enum AuthServer_MsgIds
 {
@@ -105,17 +106,13 @@ struct AuthServer_Private : public AuthClient_Private
     uint32_t m_acctFlags;
     AuthServer_PlayerInfo m_player;
     uint32_t m_ageNodeId;
-    std::map<uint32_t, DS::Stream*> m_downloads;
+    std::map<uint32_t, std::unique_ptr<DS::Stream>> m_downloads;
 
     AuthServer_Private() : m_serverChallenge(0), m_acctFlags(0), m_ageNodeId(0) { }
 
     ~AuthServer_Private()
     {
-        while (!m_downloads.empty()) {
-            auto item = m_downloads.begin();
-            delete item->second;
-            m_downloads.erase(item);
-        }
+        m_downloads.clear();
     }
 };