Changeset - r10841:585c775bc8b1
[Not reviewed]
master
0 6 0
rubidium - 15 years ago 2009-01-20 16:51:55
rubidium@openttd.org
(svn r15176) -Fix [FS#2554]: querying the content server could free when resolving the hostname or connecting takes long/is timing out.
6 files changed with 549 insertions and 414 deletions:
0 comments (0 inline, 0 general)
src/network/core/tcp_content.h
Show inline comments
 
@@ -191,9 +191,9 @@ public:
 
	 * @param sin IP etc. of the client
 
	 */
 
	NetworkContentSocketHandler(SOCKET s, const struct sockaddr_in *sin) :
 
		NetworkTCPSocketHandler(s),
 
		client_addr(*sin)
 
		NetworkTCPSocketHandler(s)
 
	{
 
		if (sin != NULL) this->client_addr = *sin;
 
	}
 

	
 
	/** On destructing of this class, the socket needs to be closed */
src/network/network.cpp
Show inline comments
 
@@ -946,7 +946,7 @@ static bool NetworkDoClientLoop()
 
// We have to do some UDP checking
 
void NetworkUDPGameLoop()
 
{
 
	NetworkContentLoop();
 
	_network_content_client.SendReceive();
 
	TCPConnecter::CheckCallbacks();
 

	
 
	if (_network_udp_server) {
src/network/network_content.cpp
Show inline comments
 
@@ -15,6 +15,7 @@
 
#include "../ai/ai.hpp"
 
#include "../window_func.h"
 
#include "../gui.h"
 
#include "../variables.h"
 
#include "core/host.h"
 
#include "network_content.h"
 

	
 
@@ -26,7 +27,7 @@
 

	
 
extern bool TarListAddFile(const char *filename);
 
extern bool HasGraphicsSet(const ContentInfo *ci, bool md5sum);
 
static ClientNetworkContentSocketHandler *_network_content_client;
 
ClientNetworkContentSocketHandler _network_content_client;
 

	
 
/** Wrapper function for the HasProc */
 
static bool HasGRFConfig(const ContentInfo *ci, bool md5sum)
 
@@ -108,15 +109,44 @@ DEF_CONTENT_RECEIVE_COMMAND(Client, PACK
 
	/* Something we don't have and has filesize 0 does not exist in te system */
 
	if (ci->state == ContentInfo::UNSELECTED && ci->filesize == 0) ci->state = ContentInfo::DOES_NOT_EXIST;
 

	
 
	for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); iter++) {
 
		(*iter)->OnReceiveContentInfo(ci);
 
	/* Do we already have a stub for this? */
 
	for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
		ContentInfo *ici = *iter;
 
		if (ici->type == ci->type && ici->unique_id == ci->unique_id &&
 
				memcmp(ci->md5sum, ici->md5sum, sizeof(ci->md5sum)) == 0) {
 
			/* Preserve the name if possible */
 
			if (StrEmpty(ci->name)) strecpy(ci->name, ici->name, lastof(ci->name));
 

	
 
			delete ici;
 
			*iter = ci;
 

	
 
			this->OnReceiveContentInfo(ci);
 
			return true;
 
		}
 
	}
 

	
 
	/* Missing content info? Don't list it */
 
	if (ci->filesize == 0) {
 
		delete ci;
 
		return true;
 
	}
 

	
 
	*this->infos.Append() = ci;
 

	
 
	/* Incoming data means that we might need to reconsider dependencies */
 
	for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
		this->CheckDependencyState(*iter);
 
	}
 

	
 
	this->OnReceiveContentInfo(ci);
 

	
 
	return true;
 
}
 

	
 
void ClientNetworkContentSocketHandler::RequestContentList(ContentType type)
 
{
 
	this->Connect();
 

	
 
	Packet *p = new Packet(PACKET_CONTENT_CLIENT_INFO_LIST);
 
	p->Send_uint8 ((byte)type);
 
	p->Send_uint32(_openttd_newgrf_version);
 
@@ -126,6 +156,8 @@ void ClientNetworkContentSocketHandler::
 

	
 
void ClientNetworkContentSocketHandler::RequestContentList(uint count, const ContentID *content_ids)
 
{
 
	this->Connect();
 

	
 
	while (count > 0) {
 
		/* We can "only" send a limited number of IDs in a single packet.
 
		 * A packet begins with the packet size and a byte for the type.
 
@@ -151,6 +183,8 @@ void ClientNetworkContentSocketHandler::
 
{
 
	if (cv == NULL) return;
 

	
 
	this->Connect();
 

	
 
	/* 20 is sizeof(uint32) + sizeof(md5sum (byte[16])) */
 
	assert(cv->Length() < 255);
 
	assert(cv->Length() < (SEND_MTU - sizeof(PacketSize) - sizeof(byte) - sizeof(uint8)) / (send_md5sum ? 20 : sizeof(uint32)));
 
@@ -170,10 +204,45 @@ void ClientNetworkContentSocketHandler::
 
	}
 

	
 
	this->Send_Packet(p);
 

	
 
	for (ContentIterator iter = cv->Begin(); iter != cv->End(); iter++) {
 
		ContentInfo *ci = *iter;
 
		bool found = false;
 
		for (ContentIterator iter2 = this->infos.Begin(); iter2 != this->infos.End(); iter2++) {
 
			ContentInfo *ci2 = *iter;
 
			if (ci->type == ci2->type && ci->unique_id == ci2->unique_id &&
 
					(!send_md5sum || memcmp(ci->md5sum, ci2->md5sum, sizeof(ci->md5sum)) == 0)) {
 
				found = true;
 
				break;
 
			}
 
		}
 
		if (!found) {
 
			*this->infos.Append() = ci;
 
		} else {
 
			delete ci;
 
		}
 
	}
 
}
 

	
 
void ClientNetworkContentSocketHandler::RequestContent(uint count, const uint32 *content_ids)
 
void ClientNetworkContentSocketHandler::DownloadSelectedContent(uint &files, uint &bytes)
 
{
 
	files = 0;
 
	bytes = 0;
 

	
 
	/** Make the list of items to download */
 
	ContentID *ids = MallocT<ContentID>(infos.Length());
 
	for (ContentIterator iter = infos.Begin(); iter != infos.End(); iter++) {
 
		const ContentInfo *ci = *iter;
 
		if (!ci->IsSelected()) continue;
 

	
 
		ids[files++] = ci->id;
 
		bytes += ci->filesize;
 
	}
 

	
 
	uint count = files;
 
	ContentID *content_ids = ids;
 
	this->Connect();
 

	
 
	while (count > 0) {
 
		/* We can "only" send a limited number of IDs in a single packet.
 
		* A packet begins with the packet size and a byte for the type.
 
@@ -192,6 +261,8 @@ void ClientNetworkContentSocketHandler::
 
		count -= p_count;
 
		content_ids += count;
 
	}
 

	
 
	free(ids);
 
}
 

	
 
/**
 
@@ -300,10 +371,7 @@ DEF_CONTENT_RECEIVE_COMMAND(Client, PACK
 
			return false;
 
		}
 

	
 
		/* Tell the rest we downloaded some bytes */
 
		for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); iter++) {
 
			(*iter)->OnDownloadProgress(this->curInfo, toRead);
 
		}
 
		this->OnDownloadProgress(this->curInfo, toRead);
 

	
 
		if (toRead == 0) {
 
			/* We read nothing; that's our marker for end-of-stream.
 
@@ -316,9 +384,7 @@ DEF_CONTENT_RECEIVE_COMMAND(Client, PACK
 

	
 
				TarListAddFile(GetFullFilename(this->curInfo, false));
 

	
 
				for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); iter++) {
 
					(*iter)->OnDownloadComplete(this->curInfo->id);
 
				}
 
				this->OnDownloadComplete(this->curInfo->id);
 
			} else {
 
				ShowErrorMessage(INVALID_STRING_ID, STR_CONTENT_ERROR_COULD_NOT_EXTRACT, 0, 0);
 
			}
 
@@ -339,10 +405,11 @@ DEF_CONTENT_RECEIVE_COMMAND(Client, PACK
 
 * @param s the socket to communicate over
 
 * @param sin the IP/port of the server
 
 */
 
ClientNetworkContentSocketHandler::ClientNetworkContentSocketHandler(SOCKET s, const struct sockaddr_in *sin) :
 
	NetworkContentSocketHandler(s, sin),
 
ClientNetworkContentSocketHandler::ClientNetworkContentSocketHandler() :
 
	NetworkContentSocketHandler(INVALID_SOCKET, NULL),
 
	curFile(NULL),
 
	curInfo(NULL)
 
	curInfo(NULL),
 
	isConnecting(false)
 
{
 
}
 

	
 
@@ -351,76 +418,63 @@ ClientNetworkContentSocketHandler::~Clie
 
{
 
	delete this->curInfo;
 
	if (this->curFile != NULL) fclose(this->curFile);
 

	
 
	for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) delete *iter;
 
}
 

	
 
class NetworkContentConnecter : TCPConnecter {
 
public:
 
	NetworkContentConnecter(const NetworkAddress &address) : TCPConnecter(address) {}
 

	
 
	virtual void OnFailure()
 
	{
 
		_network_content_client.isConnecting = false;
 
		_network_content_client.OnConnect(false);
 
	}
 

	
 
	virtual void OnConnect(SOCKET s)
 
	{
 
		assert(_network_content_client.sock == INVALID_SOCKET);
 
		_network_content_client.isConnecting = false;
 
		_network_content_client.sock = s;
 
		_network_content_client.has_quit = false;
 
		_network_content_client.OnConnect(true);
 
	}
 
};
 

	
 
/**
 
 * Connect with the content server.
 
 */
 
void ClientNetworkContentSocketHandler::Connect()
 
{
 
	this->lastActivity = _realtime_tick;
 

	
 
	if (this->sock != INVALID_SOCKET || this->isConnecting) return;
 
	this->isConnecting = true;
 
	new NetworkContentConnecter(NetworkAddress(NETWORK_CONTENT_SERVER_HOST, NETWORK_CONTENT_SERVER_PORT));
 
}
 

	
 
/**
 
 * Connect to the content server if needed, return the socket handler and
 
 * add the callback to the socket handler.
 
 * @param cb the callback to add
 
 * @return the socket handler or NULL is connecting failed
 
 * Disconnect from the content server.
 
 */
 
ClientNetworkContentSocketHandler *NetworkContent_Connect(ContentCallback *cb)
 
void ClientNetworkContentSocketHandler::Disconnect()
 
{
 
	/* If there's no connection or when it's broken, we try to reconnect.
 
	 * Otherwise we just add ourselves and return immediatelly */
 
	if (_network_content_client != NULL && !_network_content_client->has_quit) {
 
		*_network_content_client->callbacks.Append() = cb;
 
		return _network_content_client;
 
	}
 

	
 
	SOCKET s = socket(AF_INET, SOCK_STREAM, 0);
 
	if (s == INVALID_SOCKET) return NULL;
 

	
 
	if (!SetNoDelay(s)) DEBUG(net, 1, "Setting TCP_NODELAY failed");
 

	
 
	struct sockaddr_in sin;
 
	sin.sin_family = AF_INET;
 
	sin.sin_addr.s_addr = NetworkResolveHost(NETWORK_CONTENT_SERVER_HOST);
 
	sin.sin_port = htons(NETWORK_CONTENT_SERVER_PORT);
 

	
 
	/* We failed to connect for which reason what so ever */
 
	if (connect(s, (struct sockaddr*)&sin, sizeof(sin)) != 0) return NULL;
 

	
 
	if (!SetNonBlocking(s)) DEBUG(net, 0, "Setting non-blocking mode failed"); // XXX should this be an error?
 

	
 
	if (_network_content_client != NULL) {
 
		if (_network_content_client->sock != INVALID_SOCKET) closesocket(_network_content_client->sock);
 
		_network_content_client->sock = s;
 

	
 
		/* Clean up the mess that could've been left behind */
 
		_network_content_client->has_quit = false;
 
		delete _network_content_client->curInfo;
 
		_network_content_client->curInfo = NULL;
 
		if (_network_content_client->curFile != NULL) fclose(_network_content_client->curFile);
 
		_network_content_client->curFile = NULL;
 
	} else {
 
		_network_content_client = new ClientNetworkContentSocketHandler(s, &sin);
 
	}
 
	*_network_content_client->callbacks.Append() = cb;
 
	return _network_content_client;
 
}
 

	
 
/**
 
 * Remove yourself from the network content callback list and when
 
 * that list is empty the connection will be closed.
 
 */
 
void NetworkContent_Disconnect(ContentCallback *cb)
 
{
 
	_network_content_client->callbacks.Erase(_network_content_client->callbacks.Find(cb));
 

	
 
	if (_network_content_client->callbacks.Length() == 0) {
 
		delete _network_content_client;
 
		_network_content_client = NULL;
 
	}
 
	if (this->sock == INVALID_SOCKET) return;
 
	this->Close();
 
}
 

	
 
/**
 
 * Check whether we received/can send some data from/to the content server and
 
 * when that's the case handle it appropriately
 
 */
 
void NetworkContentLoop()
 
void ClientNetworkContentSocketHandler::SendReceive()
 
{
 
	if (_network_content_client == NULL) return;
 
	if (this->sock == INVALID_SOCKET || this->isConnecting) return;
 

	
 
	if (this->lastActivity + IDLE_TIMEOUT < _realtime_tick) {
 
		this->Close();
 
		return;
 
	}
 

	
 
	fd_set read_fd, write_fd;
 
	struct timeval tv;
 
@@ -428,8 +482,8 @@ void NetworkContentLoop()
 
	FD_ZERO(&read_fd);
 
	FD_ZERO(&write_fd);
 

	
 
	FD_SET(_network_content_client->sock, &read_fd);
 
	FD_SET(_network_content_client->sock, &write_fd);
 
	FD_SET(this->sock, &read_fd);
 
	FD_SET(this->sock, &write_fd);
 

	
 
	tv.tv_sec = tv.tv_usec = 0; // don't block at all.
 
#if !defined(__MORPHOS__) && !defined(__AMIGA__)
 
@@ -437,9 +491,290 @@ void NetworkContentLoop()
 
#else
 
	WaitSelect(FD_SETSIZE, &read_fd, &write_fd, NULL, &tv, NULL);
 
#endif
 
	if (FD_ISSET(_network_content_client->sock, &read_fd)) _network_content_client->Recv_Packets();
 
	_network_content_client->writable = !!FD_ISSET(_network_content_client->sock, &write_fd);
 
	_network_content_client->Send_Packets();
 
	if (FD_ISSET(this->sock, &read_fd)) this->Recv_Packets();
 
	this->writable = !!FD_ISSET(this->sock, &write_fd);
 
	this->Send_Packets();
 
}
 

	
 
/**
 
 * Download information of a given Content ID if not already tried
 
 * @param cid the ID to try
 
 */
 
void ClientNetworkContentSocketHandler::DownloadContentInfo(ContentID cid)
 
{
 
	/* When we tried to download it already, don't try again */
 
	if (this->requested.Contains(cid)) return;
 

	
 
	*this->requested.Append() = cid;
 
	assert(this->requested.Contains(cid));
 
	this->RequestContentList(1, &cid);
 
}
 

	
 
/**
 
 * Get the content info based on a ContentID
 
 * @param cid the ContentID to search for
 
 * @return the ContentInfo or NULL if not found
 
 */
 
ContentInfo *ClientNetworkContentSocketHandler::GetContent(ContentID cid)
 
{
 
	for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
		ContentInfo *ci = *iter;
 
		if (ci->id == cid) return ci;
 
	}
 
	return NULL;
 
}
 

	
 

	
 
/**
 
 * Select a specific content id.
 
 * @param cid the content ID to select
 
 */
 
void ClientNetworkContentSocketHandler::Select(ContentID cid)
 
{
 
	ContentInfo *ci = this->GetContent(cid);
 
	if (ci->state != ContentInfo::UNSELECTED) return;
 

	
 
	ci->state = ContentInfo::SELECTED;
 
	this->CheckDependencyState(ci);
 
}
 

	
 
/**
 
 * Unselect a specific content id.
 
 * @param cid the content ID to deselect
 
 */
 
void ClientNetworkContentSocketHandler::Unselect(ContentID cid)
 
{
 
	ContentInfo *ci = this->GetContent(cid);
 
	if (!ci->IsSelected()) return;
 

	
 
	ci->state = ContentInfo::UNSELECTED;
 
	this->CheckDependencyState(ci);
 
}
 

	
 
/** Select everything we can select */
 
void ClientNetworkContentSocketHandler::SelectAll()
 
{
 
	for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
		ContentInfo *ci = *iter;
 
		if (ci->state == ContentInfo::UNSELECTED) {
 
			ci->state = ContentInfo::SELECTED;
 
			this->CheckDependencyState(ci);
 
		}
 
	}
 
}
 

	
 
/** Select everything that's an update for something we've got */
 
void ClientNetworkContentSocketHandler::SelectUpdate()
 
{
 
	for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
		ContentInfo *ci = *iter;
 
		if (ci->state == ContentInfo::UNSELECTED && ci->update) {
 
			ci->state = ContentInfo::SELECTED;
 
			this->CheckDependencyState(ci);
 
		}
 
	}
 
}
 

	
 
/** Unselect everything that we've not downloaded so far. */
 
void ClientNetworkContentSocketHandler::UnselectAll()
 
{
 
	for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
		ContentInfo *ci = *iter;
 
		if (ci->IsSelected()) ci->state = ContentInfo::UNSELECTED;
 
	}
 
}
 

	
 
/** Toggle the state of a content info and check it's dependencies */
 
void ClientNetworkContentSocketHandler::ToggleSelectedState(const ContentInfo *ci)
 
{
 
	switch (ci->state) {
 
		case ContentInfo::SELECTED:
 
		case ContentInfo::AUTOSELECTED:
 
			this->Unselect(ci->id);
 
			break;
 

	
 
		case ContentInfo::UNSELECTED:
 
			this->Select(ci->id);
 
			break;
 

	
 
		default:
 
			break;
 
	}
 
}
 

	
 
/**
 
 * Reverse lookup the dependencies of (direct) parents over a given child.
 
 * @param parents list to store all parents in (is not cleared)
 
 * @param child   the child to search the parents' dependencies for
 
 */
 
void ClientNetworkContentSocketHandler::ReverseLookupDependency(ConstContentVector &parents, const ContentInfo *child) const
 
{
 
	for (ConstContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
		const ContentInfo *ci = *iter;
 
		if (ci == child) continue;
 

	
 
		for (uint i = 0; i < ci->dependency_count; i++) {
 
			if (ci->dependencies[i] == child->id) {
 
				*parents.Append() = ci;
 
				break;
 
			}
 
		}
 
	}
 
}
 

	
 
/**
 
 * Reverse lookup the dependencies of all parents over a given child.
 
 * @param tree  list to store all parents in (is not cleared)
 
 * @param child the child to search the parents' dependencies for
 
 */
 
void ClientNetworkContentSocketHandler::ReverseLookupTreeDependency(ConstContentVector &tree, const ContentInfo *child) const
 
{
 
	*tree.Append() = child;
 

	
 
	/* First find all direct parents */
 
	for (ConstContentIterator iter = tree.Begin(); iter != tree.End(); iter++) {
 
		ConstContentVector parents;
 
		this->ReverseLookupDependency(parents, *iter);
 

	
 
		for (ConstContentIterator piter = parents.Begin(); piter != parents.End(); piter++) {
 
			tree.Include(*piter);
 
		}
 
	}
 
}
 

	
 
/**
 
 * Check the dependencies (recursively) of this content info
 
 * @param ci the content info to check the dependencies of
 
 */
 
void ClientNetworkContentSocketHandler::CheckDependencyState(ContentInfo *ci)
 
{
 
	if (ci->IsSelected() || ci->state == ContentInfo::ALREADY_HERE) {
 
		/* Selection is easy; just walk all children and set the
 
		 * autoselected state. That way we can see what we automatically
 
		 * selected and thus can unselect when a dependency is removed. */
 
		for (uint i = 0; i < ci->dependency_count; i++) {
 
			ContentInfo *c = this->GetContent(ci->dependencies[i]);
 
			if (c == NULL) {
 
				this->DownloadContentInfo(ci->dependencies[i]);
 
			} else if (c->state == ContentInfo::UNSELECTED) {
 
				c->state = ContentInfo::AUTOSELECTED;
 
				this->CheckDependencyState(c);
 
			}
 
		}
 
		return;
 
	}
 

	
 
	if (ci->state != ContentInfo::UNSELECTED) return;
 

	
 
	/* For unselection we need to find the parents of us. We need to
 
	 * unselect them. After that we unselect all children that we
 
	 * depend on and are not used as dependency for us, but only when
 
	 * we automatically selected them. */
 
	ConstContentVector parents;
 
	this->ReverseLookupDependency(parents, ci);
 
	for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
 
		const ContentInfo *c = *iter;
 
		if (!c->IsSelected()) continue;
 

	
 
		this->Unselect(c->id);
 
	}
 

	
 
	for (uint i = 0; i < ci->dependency_count; i++) {
 
		const ContentInfo *c = this->GetContent(ci->dependencies[i]);
 
		if (c == NULL) {
 
			DownloadContentInfo(ci->dependencies[i]);
 
			continue;
 
		}
 
		if (c->state != ContentInfo::AUTOSELECTED) continue;
 

	
 
		/* Only unselect when WE are the only parent. */
 
		parents.Clear();
 
		this->ReverseLookupDependency(parents, c);
 

	
 
		/* First check whether anything depends on us */
 
		int sel_count = 0;
 
		bool force_selection = false;
 
		for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
 
			if ((*iter)->IsSelected()) sel_count++;
 
			if ((*iter)->state == ContentInfo::SELECTED) force_selection = true;
 
		}
 
		if (sel_count == 0) {
 
			/* Nothing depends on us */
 
			this->Unselect(c->id);
 
			continue;
 
		}
 
		/* Something manually selected depends directly on us */
 
		if (force_selection) continue;
 

	
 
		/* "Flood" search to find all items in the dependency graph*/
 
		parents.Clear();
 
		this->ReverseLookupTreeDependency(parents, c);
 

	
 
		/* Is there anything that is "force" selected?, if so... we're done. */
 
		for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
 
			if ((*iter)->state != ContentInfo::SELECTED) continue;
 

	
 
			force_selection = true;
 
			break;
 
		}
 

	
 
		/* So something depended directly on us */
 
		if (force_selection) continue;
 

	
 
		/* Nothing depends on us, mark the whole graph as unselected.
 
		 * After that's done run over them once again to test their children
 
		 * to unselect. Don't do it immediatelly because it'll do exactly what
 
		 * we're doing now. */
 
		for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
 
			const ContentInfo *c = *iter;
 
			if (c->state == ContentInfo::AUTOSELECTED) this->Unselect(c->id);
 
		}
 
		for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
 
			this->CheckDependencyState(this->GetContent((*iter)->id));
 
		}
 
	}
 
}
 

	
 
/*** CALLBACK ***/
 

	
 
void ClientNetworkContentSocketHandler::OnConnect(bool success)
 
{
 
	for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); iter++) {
 
		(*iter)->OnConnect(success);
 
	}
 
}
 

	
 
void ClientNetworkContentSocketHandler::OnDisconnect()
 
{
 
	for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); iter++) {
 
		(*iter)->OnDisconnect();
 
	}
 
}
 

	
 
void ClientNetworkContentSocketHandler::OnReceiveContentInfo(const ContentInfo *ci)
 
{
 
	for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); iter++) {
 
		(*iter)->OnReceiveContentInfo(ci);
 
	}
 
}
 

	
 
void ClientNetworkContentSocketHandler::OnDownloadProgress(const ContentInfo *ci, uint bytes)
 
{
 
	for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); iter++) {
 
		(*iter)->OnDownloadProgress(ci, bytes);
 
	}
 
}
 

	
 
void ClientNetworkContentSocketHandler::OnDownloadComplete(ContentID cid)
 
{
 
	ContentInfo *ci = this->GetContent(cid);
 
	if (ci != NULL) {
 
		ci->state = ContentInfo::ALREADY_HERE;
 
	}
 

	
 
	for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); iter++) {
 
		(*iter)->OnDownloadComplete(cid);
 
	}
 
}
 

	
 
#endif /* ENABLE_NETWORK */
src/network/network_content.h
Show inline comments
 
@@ -12,23 +12,37 @@
 

	
 
/** Vector with content info */
 
typedef SmallVector<ContentInfo *, 16> ContentVector;
 
typedef SmallVector<const ContentInfo *, 16> ConstContentVector;
 

	
 
/** Iterator for the content vector */
 
typedef ContentInfo **ContentIterator;
 
typedef const ContentInfo * const * ConstContentIterator;
 

	
 
/** Callbacks for notifying others about incoming data */
 
struct ContentCallback {
 
	/**
 
	 * Callback for when the connection has finished
 
	 * @param success whether the connection was made or that we failed to make it
 
	 */
 
	virtual void OnConnect(bool success) {}
 

	
 
	/**
 
	 * Callback for when the connection got disconnected.
 
	 */
 
	virtual void OnDisconnect() {}
 

	
 
	/**
 
	 * We received a content info.
 
	 * @param ci the content info
 
	 */
 
	virtual void OnReceiveContentInfo(ContentInfo *ci) {}
 
	virtual void OnReceiveContentInfo(const 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) {}
 
	virtual void OnDownloadProgress(const ContentInfo *ci, uint bytes) {}
 

	
 
	/**
 
	 * We have finished downloading a file
 
@@ -43,32 +57,74 @@ struct ContentCallback {
 
/**
 
 * Socket handler for the content server connection
 
 */
 
class ClientNetworkContentSocketHandler : public NetworkContentSocketHandler {
 
class ClientNetworkContentSocketHandler : public NetworkContentSocketHandler, ContentCallback {
 
protected:
 
	SmallVector<ContentCallback *, 2> callbacks; ///< Callbacks to notify "the world"
 
	SmallVector<ContentID, 4> requested;         ///< ContentIDs we already requested (so we don't do it again)
 
	ContentVector infos;                         ///< All content info we received
 

	
 
	FILE *curFile;        ///< Currently downloaded file
 
	ContentInfo *curInfo; ///< Information about the currently downloaded file
 
	bool isConnecting;    ///< Whether we're connecting
 
	uint32 lastActivity;  ///< The last time there was network activity
 

	
 
	friend ClientNetworkContentSocketHandler *NetworkContent_Connect(ContentCallback *cb);
 
	friend void NetworkContent_Disconnect(ContentCallback *cb);
 
	friend class NetworkContentConnecter;
 

	
 
	DECLARE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_SERVER_INFO);
 
	DECLARE_CONTENT_RECEIVE_COMMAND(PACKET_CONTENT_SERVER_CONTENT);
 

	
 
	ClientNetworkContentSocketHandler(SOCKET s, const struct sockaddr_in *sin);
 
	ContentInfo *GetContent(ContentID cid);
 
	void DownloadContentInfo(ContentID cid);
 

	
 
	void OnConnect(bool success);
 
	void OnDisconnect();
 
	void OnReceiveContentInfo(const ContentInfo *ci);
 
	void OnDownloadProgress(const ContentInfo *ci, uint bytes);
 
	void OnDownloadComplete(ContentID cid);
 
public:
 
	/** The idle timeout; when to close the connection because it's idle. */
 
	static const int IDLE_TIMEOUT = 60 * 1000;
 

	
 
	ClientNetworkContentSocketHandler();
 
	~ClientNetworkContentSocketHandler();
 
public:
 

	
 
	void Connect();
 
	void SendReceive();
 
	void Disconnect();
 

	
 
	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);
 
	void DownloadSelectedContent(uint &files, uint &bytes);
 

	
 
	void Select(ContentID cid);
 
	void Unselect(ContentID cid);
 
	void SelectAll();
 
	void SelectUpdate();
 
	void UnselectAll();
 
	void ToggleSelectedState(const ContentInfo *ci);
 

	
 
	void ReverseLookupDependency(ConstContentVector &parents, const ContentInfo *child) const;
 
	void ReverseLookupTreeDependency(ConstContentVector &tree, const ContentInfo *child) const;
 
	void CheckDependencyState(ContentInfo *ci);
 

	
 
	/** Get the number of content items we know locally. */
 
	uint Length() const { return this->infos.Length(); }
 
	/** Get the begin of the content inf iterator. */
 
	ConstContentIterator Begin() const { return this->infos.Begin(); }
 
	/** Get the nth position of the content inf iterator. */
 
	ConstContentIterator Get(uint32 index) const { return this->infos.Get(index); }
 
	/** Get the end of the content inf iterator. */
 
	ConstContentIterator End() const { return this->infos.End(); }
 

	
 
	/** Add a callback to this class */
 
	void AddCallback(ContentCallback *cb) { this->callbacks.Include(cb); }
 
	/** Remove a callback */
 
	void RemoveCallback(ContentCallback *cb) { this->callbacks.Erase(this->callbacks.Find(cb)); }
 
};
 

	
 
ClientNetworkContentSocketHandler *NetworkContent_Connect(ContentCallback *cb);
 
void NetworkContent_Disconnect(ContentCallback *cb);
 
void NetworkContentLoop();
 
extern ClientNetworkContentSocketHandler _network_content_client;
 

	
 
void ShowNetworkContentListWindow(ContentVector *cv = NULL, ContentType type = CONTENT_TYPE_END);
 

	
src/network/network_content_gui.cpp
Show inline comments
 
@@ -61,33 +61,14 @@ public:
 
	 * with flags whether to download them or not.
 
	 * @param infos the list to search in
 
	 */
 
	NetworkContentDownloadStatusWindow(ContentVector &infos) :
 
	NetworkContentDownloadStatusWindow() :
 
		Window(&_network_content_download_status_window_desc),
 
		cur_id(UINT32_MAX)
 
	{
 
		this->parent = FindWindowById(WC_NETWORK_WINDOW, 1);
 
		this->connection = NetworkContent_Connect(this);
 

	
 
		if (this->connection == NULL) {
 
			/* When the connection got broken and we can't rebuild it we can't do much :( */
 
			ShowErrorMessage(STR_CONTENT_ERROR_COULD_NOT_DOWNLOAD, STR_CONTENT_ERROR_COULD_NOT_DOWNLOAD_CONNECTION_LOST, 0, 0);
 
			delete this;
 
			return;
 
		}
 

	
 
		/** Make the list of items to download */
 
		uint32 *ids = MallocT<uint32>(infos.Length());
 
		for (ContentIterator iter = infos.Begin(); iter != infos.End(); iter++) {
 
			const ContentInfo *ci = *iter;
 
			if (!ci->IsSelected()) continue;
 

	
 
			ids[this->total_files++] = ci->id;
 
			this->total_bytes += ci->filesize;
 
		}
 

	
 
		/** And request them for download */
 
		this->connection->RequestContent(this->total_files, ids);
 
		free(ids);
 
		_network_content_client.AddCallback(this);
 
		_network_content_client.DownloadSelectedContent(this->total_files, this->total_bytes);
 

	
 
		this->FindWindowPlacementAndResize(&_network_content_download_status_window_desc);
 
	}
 
@@ -121,7 +102,7 @@ public:
 
			}
 
		}
 

	
 
		NetworkContent_Disconnect(this);
 
		_network_content_client.RemoveCallback(this);
 
	}
 

	
 
	virtual void OnPaint()
 
@@ -158,7 +139,7 @@ public:
 
		if (widget == NCDSWW_CANCELOK) delete this;
 
	}
 

	
 
	virtual void OnDownloadProgress(ContentInfo *ci, uint bytes)
 
	virtual void OnDownloadProgress(const ContentInfo *ci, uint bytes)
 
	{
 
		if (ci->id != this->cur_id) {
 
			strecpy(this->name, ci->filename, lastof(this->name));
 
@@ -198,11 +179,8 @@ class NetworkContentListWindow : public 
 
		NCLWW_RESIZE,        ///< Resize button
 
	};
 

	
 
	ClientNetworkContentSocketHandler *connection; ///< Connection with the content server
 
	SmallVector<ContentID, 4> requested;           ///< ContentIDs we already requested (so we don't do it again)
 
	ContentVector infos;                           ///< All content info we received
 
	ContentInfo *selected;                         ///< The selected content info
 
	int list_pos;                                  ///< Our position in the list
 
	const ContentInfo *selected; ///< The selected content info
 
	int list_pos;                ///< Our position in the list
 

	
 
	/** Make sure that the currently selected content info is within the visible part of the matrix */
 
	void ScrollToSelected()
 
@@ -218,232 +196,28 @@ class NetworkContentListWindow : public 
 
		}
 
	}
 

	
 
	/**
 
	 * Download information of a given Content ID if not already tried
 
	 * @param cid the ID to try
 
	 */
 
	void DownloadContentInfo(ContentID cid)
 
	{
 
		/* When we tried to download it already, don't try again */
 
		if (this->requested.Contains(cid)) return;
 

	
 
		*this->requested.Append() = cid;
 
		assert(this->requested.Contains(cid));
 
		this->connection->RequestContentList(1, &cid);
 
	}
 

	
 

	
 
	/**
 
	 * Get the content info based on a ContentID
 
	 * @param cid the ContentID to search for
 
	 * @return the ContentInfo or NULL if not found
 
	 */
 
	ContentInfo *GetContent(ContentID cid)
 
	{
 
		for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
			ContentInfo *ci = *iter;
 
			if (ci->id == cid) return ci;
 
		}
 
		return NULL;
 
	}
 

	
 
	/**
 
	 * Reverse lookup the dependencies of (direct) parents over a given child.
 
	 * @param parents list to store all parents in (is not cleared)
 
	 * @param child   the child to search the parents' dependencies for
 
	 */
 
	void ReverseLookupDependency(ContentVector &parents, ContentInfo *child)
 
	{
 
		for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
			ContentInfo *ci = *iter;
 
			if (ci == child) continue;
 

	
 
			for (uint i = 0; i < ci->dependency_count; i++) {
 
				if (ci->dependencies[i] == child->id) {
 
					*parents.Append() = ci;
 
					break;
 
				}
 
			}
 
		}
 
	}
 

	
 
	/**
 
	 * Reverse lookup the dependencies of all parents over a given child.
 
	 * @param tree  list to store all parents in (is not cleared)
 
	 * @param child the child to search the parents' dependencies for
 
	 */
 
	void ReverseLookupTreeDependency(ContentVector &tree, ContentInfo *child)
 
	{
 
		*tree.Append() = child;
 

	
 
		/* First find all direct parents */
 
		for (ContentIterator iter = tree.Begin(); iter != tree.End(); iter++) {
 
			ContentVector parents;
 
			ReverseLookupDependency(parents, *iter);
 

	
 
			for (ContentIterator piter = parents.Begin(); piter != parents.End(); piter++) {
 
				tree.Include(*piter);
 
			}
 
		}
 
	}
 

	
 
	/**
 
	 * Check the dependencies (recursively) of this content info
 
	 * @param ci the content info to check the dependencies of
 
	 */
 
	void CheckDependencyState(ContentInfo *ci)
 
	{
 
		if (ci->IsSelected() || ci->state == ContentInfo::ALREADY_HERE) {
 
			/* Selection is easy; just walk all children and set the
 
			 * autoselected state. That way we can see what we automatically
 
			 * selected and thus can unselect when a dependency is removed. */
 
			for (uint i = 0; i < ci->dependency_count; i++) {
 
				ContentInfo *c = this->GetContent(ci->dependencies[i]);
 
				if (c == NULL) {
 
					DownloadContentInfo(ci->dependencies[i]);
 
				} else if (c->state == ContentInfo::UNSELECTED) {
 
					c->state = ContentInfo::AUTOSELECTED;
 
					this->CheckDependencyState(c);
 
				}
 
			}
 
			return;
 
		}
 

	
 
		if (ci->state != ContentInfo::UNSELECTED) return;
 

	
 
		/* For unselection we need to find the parents of us. We need to
 
		 * unselect them. After that we unselect all children that we
 
		 * depend on and are not used as dependency for us, but only when
 
		 * we automatically selected them. */
 
		ContentVector parents;
 
		ReverseLookupDependency(parents, ci);
 
		for (ContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
 
			ContentInfo *c = *iter;
 
			if (!c->IsSelected()) continue;
 

	
 
			c->state = ContentInfo::UNSELECTED;
 
			CheckDependencyState(c);
 
		}
 

	
 
		for (uint i = 0; i < ci->dependency_count; i++) {
 
			ContentInfo *c = this->GetContent(ci->dependencies[i]);
 
			if (c == NULL) {
 
				DownloadContentInfo(ci->dependencies[i]);
 
				continue;
 
			}
 
			if (c->state != ContentInfo::AUTOSELECTED) continue;
 

	
 
			/* Only unselect when WE are the only parent. */
 
			parents.Clear();
 
			ReverseLookupDependency(parents, c);
 

	
 
			/* First check whether anything depends on us */
 
			int sel_count = 0;
 
			bool force_selection = false;
 
			for (ContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
 
				if ((*iter)->IsSelected()) sel_count++;
 
				if ((*iter)->state == ContentInfo::SELECTED) force_selection = true;
 
			}
 
			if (sel_count == 0) {
 
				/* Nothing depends on us */
 
				c->state = ContentInfo::UNSELECTED;
 
				this->CheckDependencyState(c);
 
				continue;
 
			}
 
			/* Something manually selected depends directly on us */
 
			if (force_selection) continue;
 

	
 
			/* "Flood" search to find all items in the dependency graph*/
 
			parents.Clear();
 
			ReverseLookupTreeDependency(parents, c);
 

	
 
			/* Is there anything that is "force" selected?, if so... we're done. */
 
			for (ContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
 
				if ((*iter)->state != ContentInfo::SELECTED) continue;
 

	
 
				force_selection = true;
 
				break;
 
			}
 

	
 
			/* So something depended directly on us */
 
			if (force_selection) continue;
 

	
 
			/* Nothing depends on us, mark the whole graph as unselected.
 
			 * After that's done run over them once again to test their children
 
			 * to unselect. Don't do it immediatelly because it'll do exactly what
 
			 * we're doing now. */
 
			for (ContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
 
				ContentInfo *c = *iter;
 
				if (c->state == ContentInfo::AUTOSELECTED) c->state = ContentInfo::UNSELECTED;
 
			}
 
			for (ContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
 
				this->CheckDependencyState(*iter);
 
			}
 
		}
 
	}
 

	
 
	/** Toggle the state of a content info and check it's dependencies */
 
	void ToggleSelectedState()
 
	{
 
		switch (this->selected->state) {
 
			case ContentInfo::SELECTED:
 
			case ContentInfo::AUTOSELECTED:
 
				this->selected->state = ContentInfo::UNSELECTED;
 
				break;
 

	
 
			case ContentInfo::UNSELECTED:
 
				this->selected->state = ContentInfo::SELECTED;
 
				break;
 

	
 
			default:
 
				return;
 
		}
 

	
 
		this->CheckDependencyState(this->selected);
 
	}
 

	
 
public:
 
	/**
 
	 * Create the content list window.
 
	 * @param desc the window description to pass to Window's constructor.
 
	 * @param cv the list with content to show; if NULL find content ourselves
 
	 */
 
	NetworkContentListWindow(const WindowDesc *desc, ContentVector *cv, ContentType type) : Window(desc, 1), selected(NULL), list_pos(0)
 
	NetworkContentListWindow(const WindowDesc *desc, bool select_all) : Window(desc, 1), selected(NULL), list_pos(0)
 
	{
 
		this->connection = NetworkContent_Connect(this);
 

	
 
		this->vscroll.cap = 14;
 
		this->resize.step_height = 14;
 
		this->resize.step_width = 2;
 

	
 
		if (cv == NULL) {
 
			if (type == CONTENT_TYPE_END) {
 
				this->connection->RequestContentList(CONTENT_TYPE_BASE_GRAPHICS);
 
				this->connection->RequestContentList(CONTENT_TYPE_NEWGRF);
 
				this->connection->RequestContentList(CONTENT_TYPE_AI);
 
			} else {
 
				this->connection->RequestContentList(type);
 
			}
 
			this->HideWidget(NCLWW_SELECT_ALL);
 
		} else {
 
			this->connection->RequestContentList(cv, true);
 
		_network_content_client.AddCallback(this);
 
		this->HideWidget(select_all ? NCLWW_SELECT_UPDATE : NCLWW_SELECT_ALL);
 

	
 
			for (ContentIterator iter = cv->Begin(); iter != cv->End(); iter++) {
 
				*this->infos.Append() = *iter;
 
			}
 
			this->HideWidget(NCLWW_SELECT_UPDATE);
 
		}
 

	
 
		SetVScrollCount(this, this->infos.Length());
 
		SetVScrollCount(this, _network_content_client.Length());
 
		this->FindWindowPlacementAndResize(desc);
 
	}
 

	
 
	/** Free everything we allocated */
 
	~NetworkContentListWindow()
 
	{
 
		NetworkContent_Disconnect(this);
 

	
 
		for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) delete *iter;
 
		_network_content_client.RemoveCallback(this);
 
	}
 

	
 
	virtual void OnPaint()
 
@@ -452,7 +226,7 @@ public:
 
		uint filesize = 0;
 
		bool show_select_all = false;
 
		bool show_select_update = false;
 
		for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
		for (ConstContentIterator iter = _network_content_client.Begin(); iter != _network_content_client.End(); iter++) {
 
			const ContentInfo *ci = *iter;
 
			switch (ci->state) {
 
				case ContentInfo::SELECTED:
 
@@ -480,7 +254,7 @@ public:
 
		/* Fill the matrix with the information */
 
		uint y = this->widget[NCLWW_MATRIX].top + 3;
 
		int cnt = 0;
 
		for (ContentIterator iter = this->infos.Get(this->vscroll.pos); iter != this->infos.End() && cnt < this->vscroll.cap; iter++, cnt++) {
 
		for (ConstContentIterator iter = _network_content_client.Get(this->vscroll.pos); iter != _network_content_client.End() && cnt < this->vscroll.cap; iter++, cnt++) {
 
			const ContentInfo *ci = *iter;
 

	
 
			if (ci == this->selected) GfxFillRect(this->widget[NCLWW_CHECKBOX].left + 1, y - 2, this->widget[NCLWW_NAME].right - 1, y + 9, 10);
 
@@ -557,17 +331,14 @@ public:
 
				ContentID cid = this->selected->dependencies[i];
 

	
 
				/* Try to find the dependency */
 
				ContentIterator iter = this->infos.Begin();
 
				for (; iter != this->infos.End(); iter++) {
 
				ConstContentIterator iter = _network_content_client.Begin();
 
				for (; iter != _network_content_client.End(); iter++) {
 
					const ContentInfo *ci = *iter;
 
					if (ci->id != cid) continue;
 

	
 
					p += seprintf(p, lastof(buf), p == buf ? "%s" : ", %s", (*iter)->name);
 
					break;
 
				}
 

	
 
				/* We miss the dependency, but we'll only request it if not done before. */
 
				if (iter == this->infos.End()) DownloadContentInfo(cid);
 
			}
 
			SetDParamStr(0, buf);
 
			y += DrawStringMultiLine(this->widget[NCLWW_DETAILS].left + 5, y, STR_CONTENT_DETAIL_DEPENDENCIES, this->widget[NCLWW_DETAILS].right - this->widget[NCLWW_DETAILS].left - 5, max_y - y);
 
@@ -586,13 +357,13 @@ public:
 

	
 
		if (this->selected->IsSelected()) {
 
			/* When selected show all manually selected content that depends on this */
 
			ContentVector tree;
 
			ReverseLookupTreeDependency(tree, this->selected);
 
			ConstContentVector tree;
 
			_network_content_client.ReverseLookupTreeDependency(tree, this->selected);
 

	
 
			char buf[8192] = "";
 
			char *p = buf;
 
			for (ContentIterator iter = tree.Begin(); iter != tree.End(); iter++) {
 
				ContentInfo *ci = *iter;
 
			for (ConstContentIterator iter = tree.Begin(); iter != tree.End(); iter++) {
 
				const ContentInfo *ci = *iter;
 
				if (ci == this->selected || ci->state != ContentInfo::SELECTED) continue;
 

	
 
				p += seprintf(p, lastof(buf), buf == p ? "%s" : ", %s", ci->name);
 
@@ -626,34 +397,27 @@ public:
 
				if (id_v >= this->vscroll.cap) return; // click out of bounds
 
				id_v += this->vscroll.pos;
 

	
 
				if (id_v >= this->infos.Length()) return; // click out of bounds
 
				if (id_v >= _network_content_client.Length()) return; // click out of bounds
 

	
 
				this->selected = this->infos[id_v];
 
				this->selected = *_network_content_client.Get(id_v);
 
				this->list_pos = id_v;
 

	
 
				if (pt.x <= this->widget[NCLWW_CHECKBOX].right) this->ToggleSelectedState();
 
				if (pt.x <= this->widget[NCLWW_CHECKBOX].right) _network_content_client.ToggleSelectedState(this->selected);
 

	
 
				this->SetDirty();
 
			} break;
 

	
 
			case NCLWW_SELECT_ALL:
 
				_network_content_client.SelectAll();
 
				this->SetDirty();
 
				break;
 

	
 
			case NCLWW_SELECT_UPDATE:
 
				for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
					ContentInfo *ci = *iter;
 
					if (ci->state == ContentInfo::UNSELECTED && (widget == NCLWW_SELECT_ALL || ci->update)) {
 
						ci->state = ContentInfo::SELECTED;
 
						CheckDependencyState(ci);
 
					}
 
				}
 
				_network_content_client.SelectUpdate();
 
				this->SetDirty();
 
				break;
 

	
 
			case NCLWW_UNSELECT:
 
				for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
					ContentInfo *ci = *iter;
 
					/* No need to check dependencies; when everything's off nothing can depend */
 
					if (ci->IsSelected()) ci->state = ContentInfo::UNSELECTED;
 
				}
 
				this->SetDirty();
 
				break;
 

	
 
@@ -662,14 +426,14 @@ public:
 
				break;
 

	
 
			case NCLWW_DOWNLOAD:
 
				new NetworkContentDownloadStatusWindow(this->infos);
 
				new NetworkContentDownloadStatusWindow();
 
				break;
 
		}
 
	}
 

	
 
	virtual EventState OnKeyPress(uint16 key, uint16 keycode)
 
	{
 
		if (this->infos.Length() == 0) return ES_HANDLED;
 
		if (_network_content_client.Length() == 0) return ES_HANDLED;
 

	
 
		switch (keycode) {
 
			case WKC_UP:
 
@@ -678,7 +442,7 @@ public:
 
				break;
 
			case WKC_DOWN:
 
				/* scroll down by one */
 
				if (this->list_pos < (int)this->infos.Length() - 1) this->list_pos++;
 
				if (this->list_pos < (int)_network_content_client.Length() - 1) this->list_pos++;
 
				break;
 
			case WKC_PAGEUP:
 
				/* scroll up a page */
 
@@ -686,7 +450,7 @@ public:
 
				break;
 
			case WKC_PAGEDOWN:
 
				/* scroll down a page */
 
				this->list_pos = min(this->list_pos + this->vscroll.cap, (int)this->infos.Length() - 1);
 
				this->list_pos = min(this->list_pos + this->vscroll.cap, (int)_network_content_client.Length() - 1);
 
				break;
 
			case WKC_HOME:
 
				/* jump to beginning */
 
@@ -694,18 +458,18 @@ public:
 
				break;
 
			case WKC_END:
 
				/* jump to end */
 
				this->list_pos = this->infos.Length() - 1;
 
				this->list_pos = _network_content_client.Length() - 1;
 
				break;
 

	
 
			case WKC_SPACE:
 
				this->ToggleSelectedState();
 
				_network_content_client.ToggleSelectedState(this->selected);
 
				this->SetDirty();
 
				return ES_HANDLED;
 

	
 
			default: return ES_NOT_HANDLED;
 
		}
 

	
 
		this->selected = this->infos[this->list_pos];
 
		this->selected = *_network_content_client.Get(this->list_pos);
 

	
 
		/* scroll to the new server if it is outside the current range */
 
		this->ScrollToSelected();
 
@@ -721,7 +485,7 @@ public:
 

	
 
		this->widget[NCLWW_MATRIX].data = (this->vscroll.cap << 8) + 1;
 

	
 
		SetVScrollCount(this, this->infos.Length());
 
		SetVScrollCount(this, _network_content_client.Length());
 

	
 
		/* Make the matrix and details section grow both bigger (or smaller) */
 
		delta.x /= 2;
 
@@ -732,52 +496,25 @@ public:
 
		this->widget[NCLWW_DETAILS].left    -= delta.x;
 
	}
 

	
 
	virtual void OnReceiveContentInfo(ContentInfo *rci)
 
	virtual void OnReceiveContentInfo(const ContentInfo *rci)
 
	{
 
		/* Do we already have a stub for this? */
 
		for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
			ContentInfo *ci = *iter;
 
			if (ci->type == rci->type && ci->unique_id == rci->unique_id &&
 
					memcmp(ci->md5sum, rci->md5sum, sizeof(ci->md5sum)) == 0) {
 
				/* Preserve the name if possible */
 
				if (StrEmpty(rci->name)) strecpy(rci->name, ci->name, lastof(rci->name));
 

	
 
				delete ci;
 
				*iter = rci;
 

	
 
				this->SetDirty();
 
				return;
 
			}
 
		}
 

	
 
		/* Missing content info? Don't list it */
 
		if (rci->filesize == 0) {
 
			delete rci;
 
			return;
 
		}
 

	
 
		/* Nothing selected, lets select something */
 
		if (this->selected == NULL) this->selected = rci;
 

	
 
		*this->infos.Append() = rci;
 
		SetVScrollCount(this, this->infos.Length());
 

	
 
		/* Incoming data means that we might need to reconsider dependencies */
 
		for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
 
			CheckDependencyState(*iter);
 
		}
 

	
 
		SetVScrollCount(this, _network_content_client.Length());
 
		this->SetDirty();
 
	}
 

	
 
	virtual void OnDownloadComplete(ContentID cid)
 
	{
 
		/* When we know something that completed downloading, we have it! */
 
		ContentInfo *ci = this->GetContent(cid);
 
		if (ci != NULL) {
 
			ci->state = ContentInfo::ALREADY_HERE;
 
			this->SetDirty();
 
		this->SetDirty();
 
	}
 

	
 
	virtual void OnConnect(bool success)
 
	{
 
		if (!success) {
 
			ShowErrorMessage(INVALID_STRING_ID, STR_CONTENT_ERROR_COULD_NOT_CONNECT, 0, 0);
 
			delete this;
 
		}
 

	
 
		this->SetDirty();
 
	}
 
};
 

	
 
@@ -827,21 +564,27 @@ static const WindowDesc _network_content
 
void ShowNetworkContentListWindow(ContentVector *cv, ContentType type)
 
{
 
#if defined(WITH_ZLIB)
 
	if (NetworkContent_Connect(NULL)) {
 
		DeleteWindowById(WC_NETWORK_WINDOW, 1);
 
		new NetworkContentListWindow(&_network_content_list_desc, cv, type);
 
		NetworkContent_Disconnect(NULL);
 
	if (cv == NULL) {
 
		if (type == CONTENT_TYPE_END) {
 
			_network_content_client.RequestContentList(CONTENT_TYPE_BASE_GRAPHICS);
 
			_network_content_client.RequestContentList(CONTENT_TYPE_AI);
 
			_network_content_client.RequestContentList(CONTENT_TYPE_NEWGRF);
 
			_network_content_client.RequestContentList(CONTENT_TYPE_AI_LIBRARY);
 
		} else {
 
			_network_content_client.RequestContentList(type);
 
		}
 
	} else {
 
		ShowErrorMessage(INVALID_STRING_ID, STR_CONTENT_ERROR_COULD_NOT_CONNECT, 0, 0);
 
		_network_content_client.RequestContentList(cv, true);
 
	}
 

	
 
	new NetworkContentListWindow(&_network_content_list_desc, cv != NULL);
 
#else
 
	{
 
		ShowErrorMessage(STR_CONTENT_NO_ZLIB_SUB, STR_CONTENT_NO_ZLIB, 0, 0);
 
	ShowErrorMessage(STR_CONTENT_NO_ZLIB_SUB, STR_CONTENT_NO_ZLIB, 0, 0);
 
	/* Connection failed... clean up the mess */
 
	if (cv != NULL) {
 
		for (ContentIterator iter = cv->Begin(); iter != cv->End(); iter++) delete *iter;
 
	}
 
#endif /* WITH_ZLIB */
 
		/* Connection failed... clean up the mess */
 
		if (cv != NULL) {
 
			for (ContentIterator iter = cv->Begin(); iter != cv->End(); iter++) delete *iter;
 
		}
 
	}
 
}
 

	
 
#endif /* ENABLE_NETWORK */
src/video/dedicated_v.cpp
Show inline comments
 
@@ -297,6 +297,7 @@ void VideoDriver_Dedicated::MainLoop()
 
			DedicatedHandleKeyInput();
 

	
 
		cur_ticks = GetTime();
 
		_realtime_tick += cur_ticks - prev_cur_ticks;
 
		if (cur_ticks >= next_tick || cur_ticks < prev_cur_ticks) {
 
			next_tick = cur_ticks + 30;
 

	
0 comments (0 inline, 0 general)