[GitHub] [incubator-brpc] liumh8 commented on a change in pull request #1128: fix redis args

[GitBox]

liumh8 commented on a change in pull request #1128:
URL: https://github.com/apache/incubator-brpc/pull/1128#discussion_r434983839



##########
File path: src/brpc/redis.cpp
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@@ -437,19 +437,21 @@ std::ostream& operator<<(std::ostream& os, const 
RedisResponse& response) {
 }
 
 bool RedisService::AddCommandHandler(const std::string& name, 
RedisCommandHandler* handler) {
-    std::string lcname = StringToLowerASCII(name);
-    auto it = _command_map.find(lcname);
+    butil::StringPiece name_piece(name);
+    auto it = _command_map.find(name_piece);
     if (it != _command_map.end()) {
         LOG(ERROR) << "redis command name=" << name << " exist";
         return false;
     }
-    _command_map[lcname] = handler;
+    
+    _all_commands.push_back(name);
+    name_piece = _all_commands.back();

Review comment:
       这个是因为FindCommandHandler要通过StringPiece查找Handler，`typedef 
std::unordered_map<butil::StringPiece, RedisCommandHandler*, StringPieceHasher> 
CommandMap` 
所以这个map存的是StringPiece，为了使这个StringPiece所指向的字符串内存没有被释放，所以用了个std::list<string>来保存




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