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/* $Id$ */
/** @file network_content.h Part of the network protocol handling content distribution. */
#ifndef NETWORK_CONTENT_H
#define NETWORK_CONTENT_H
#if defined(ENABLE_NETWORK)
#include "core/tcp_content.h"
#include "../core/smallvec_type.hpp"
/** Vector with content info */
typedef SmallVector<ContentInfo *, 16> ContentVector;
/** Iterator for the content vector */
typedef ContentInfo **ContentIterator;
/** Callbacks for notifying others about incoming data */
struct ContentCallback {
/**
* We received a content info.
* @param ci the content info
*/
virtual void OnReceiveContentInfo(ContentInfo *ci) {}
/**
* We have progress in the download of a file
* @param ci the content info of the file
* @param bytes the number of bytes downloaded since the previous call
*/
virtual void OnDownloadProgress(ContentInfo *ci, uint bytes) {}
/**
* We have finished downloading a file
* @param cid the ContentID of the downloaded file
*/
virtual void OnDownloadComplete(ContentID cid) {}
/** Silentium */
virtual ~ContentCallback() {}
};
/**
* Socket handler for the content server connection
*/
class ClientNetworkContentSocketHandler : public NetworkContentSocketHandler {
protected:
SmallVector<ContentCallback *, 2> callbacks; ///< Callbacks to notify "the world"
FILE *curFile; ///< Currently downloaded file
ContentInfo *curInfo; ///< Information about the currently downloaded file
friend ClientNetworkContentSocketHandler *NetworkContent_Connect(ContentCallback *cb);
friend void NetworkContent_Disconnect(ContentCallback *cb);
DECLARE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_SERVER_INFO);
DECLARE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_SERVER_CONTENT);
ClientNetworkContentSocketHandler(SOCKET s, const struct sockaddr_in *sin);
~ClientNetworkContentSocketHandler();
public:
void RequestContentList(ContentType type);
void RequestContentList(uint count, const ContentID *content_ids);
void RequestContentList(ContentVector *cv, bool send_md5sum = true);
void RequestContent(uint count, const uint32 *content_ids);
};
ClientNetworkContentSocketHandler *NetworkContent_Connect(ContentCallback *cb);
void NetworkContent_Disconnect(ContentCallback *cb);
void NetworkContentLoop();
void ShowNetworkContentListWindow(ContentVector *cv = NULL, ContentType type = CONTENT_TYPE_END);
#else
static inline void ShowNetworkContentListWindow() {}
#endif /* ENABLE_NETWORK */
#endif /* NETWORK_CONTENT_H */
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