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Fix #9535: Maintain a reverse dependency map of network content (#9538)

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Fixes performance issues with dependency lookup when retrieving
content list from the content server.
This commit is contained in:
Jonathan G Rennison
2021-09-09 17:06:00 +01:00
committed by GitHub
parent 7469f00c5b
commit 6e3d023e69
2 changed files with 17 additions and 13 deletions
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4
src/network/network_content.h
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@@ -12,6 +12,7 @@
#include "core/tcp_content.h"
#include "core/tcp_http.h"
#include <unordered_map>
/** Vector with content info */
typedef std::vector<ContentInfo *> ContentVector;
@@ -68,6 +69,7 @@ protected:
std::vector<ContentCallback *> callbacks; ///< Callbacks to notify "the world"
ContentIDList requested; ///< ContentIDs we already requested (so we don't do it again)
ContentVector infos; ///< All content info we received
std::unordered_multimap<ContentID, ContentID> reverse_dependency_map; ///< Content reverse dependency map
std::vector<char> http_response; ///< The HTTP response to the requests we've been doing
int http_response_index; ///< Where we are, in the response, with handling it
@@ -81,7 +83,7 @@ protected:
bool Receive_SERVER_INFO(Packet *p) override;
bool Receive_SERVER_CONTENT(Packet *p) override;
ContentInfo *GetContent(ContentID cid);
ContentInfo *GetContent(ContentID cid) const;
void DownloadContentInfo(ContentID cid);
void OnConnect(bool success) override;