Socket handler for the content server connection. More...
#include <network_content.h>
Public Member Functions | |
ClientNetworkContentSocketHandler () | |
Create a socket handler with the given socket and (server) address. | |
~ClientNetworkContentSocketHandler () | |
Clear up the mess ;). | |
void | Connect () |
Connect with the content server. | |
void | SendReceive () |
Check whether we received/can send some data from/to the content server and when that's the case handle it appropriately. | |
void | Close () |
Disconnect from the content server. | |
void | RequestContentList (ContentType type) |
void | RequestContentList (uint count, const ContentID *content_ids) |
void | RequestContentList (ContentVector *cv, bool send_md5sum=true) |
void | DownloadSelectedContent (uint &files, uint &bytes, bool fallback=false) |
void | Select (ContentID cid) |
Select a specific content id. | |
void | Unselect (ContentID cid) |
Unselect a specific content id. | |
void | SelectAll () |
Select everything we can select. | |
void | SelectUpgrade () |
Select everything that's an update for something we've got. | |
void | UnselectAll () |
Unselect everything that we've not downloaded so far. | |
void | ToggleSelectedState (const ContentInfo *ci) |
Toggle the state of a content info and check its dependencies. | |
void | ReverseLookupDependency (ConstContentVector &parents, const ContentInfo *child) const |
Reverse lookup the dependencies of (direct) parents over a given child. | |
void | ReverseLookupTreeDependency (ConstContentVector &tree, const ContentInfo *child) const |
Reverse lookup the dependencies of all parents over a given child. | |
void | CheckDependencyState (ContentInfo *ci) |
Check the dependencies (recursively) of this content info. | |
uint | Length () const |
Get the number of content items we know locally. | |
ConstContentIterator | Begin () const |
Get the begin of the content inf iterator. | |
ConstContentIterator | Get (uint32 index) const |
Get the nth position of the content inf iterator. | |
ConstContentIterator | End () const |
Get the end of the content inf iterator. | |
void | Clear () |
Clear all downloaded content information. | |
void | AddCallback (ContentCallback *cb) |
Add a callback to this class. | |
void | RemoveCallback (ContentCallback *cb) |
Remove a callback. | |
Static Public Attributes | |
static const int | IDLE_TIMEOUT = 60 * 1000 |
The idle timeout; when to close the connection because it's idle. | |
Protected Types | |
typedef SmallVector< ContentID, 4 > | ContentIDList |
Protected Member Functions | |
DECLARE_CONTENT_RECEIVE_COMMAND (PACKET_CONTENT_SERVER_INFO) | |
DECLARE_CONTENT_RECEIVE_COMMAND (PACKET_CONTENT_SERVER_CONTENT) | |
ContentInfo * | GetContent (ContentID cid) |
Get the content info based on a ContentID. | |
void | DownloadContentInfo (ContentID cid) |
Download information of a given Content ID if not already tried. | |
void | OnConnect (bool success) |
void | OnDisconnect () |
void | OnReceiveContentInfo (const ContentInfo *ci) |
void | OnDownloadProgress (const ContentInfo *ci, int bytes) |
void | OnDownloadComplete (ContentID cid) |
void | OnFailure () |
An error has occurred and the connection has been closed. | |
void | OnReceiveData (const char *data, size_t length) |
We're receiving data. | |
bool | BeforeDownload () |
Handle the opening of the file before downloading. | |
void | AfterDownload () |
Handle the closing and extracting of a file after downloading it has been done. | |
void | DownloadSelectedContentHTTP (const ContentIDList &content) |
void | DownloadSelectedContentFallback (const ContentIDList &content) |
Protected Attributes | |
SmallVector< ContentCallback *, 2 > | 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. | |
SmallVector< char, 1024 > | 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. | |
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. | |
Friends | |
class | NetworkContentConnecter |
Socket handler for the content server connection.
Definition at line 67 of file network_content.h.
ClientNetworkContentSocketHandler::ClientNetworkContentSocketHandler | ( | ) |
Create a socket handler with the given socket and (server) address.
s | the socket to communicate over | |
sin | the IP/port of the server |
Definition at line 668 of file network_content.cpp.
bool ClientNetworkContentSocketHandler::BeforeDownload | ( | ) | [protected] |
Handle the opening of the file before downloading.
Definition at line 468 of file network_content.cpp.
References curFile, curInfo, DeleteWindowById(), ContentInfo::filesize, GetFullFilename(), ContentInfo::IsValid(), ShowErrorMessage(), and WL_ERROR.
Referenced by OnReceiveData().
ConstContentIterator ClientNetworkContentSocketHandler::Begin | ( | ) | const [inline] |
Get the begin of the content inf iterator.
Definition at line 134 of file network_content.h.
References SmallVector< T, S >::Begin(), and infos.
Referenced by NetworkContentListWindow::BuildContentList(), and NetworkContentListWindow::DrawDetails().
void ClientNetworkContentSocketHandler::CheckDependencyState | ( | ContentInfo * | ci | ) |
Check the dependencies (recursively) of this content info.
ci | the content info to check the dependencies of |
Definition at line 903 of file network_content.cpp.
References ContentInfo::AUTOSELECTED, SmallVector< T, S >::Begin(), SmallVector< T, S >::Clear(), ContentInfo::dependencies, ContentInfo::dependency_count, DownloadContentInfo(), SmallVector< T, S >::End(), GetContent(), ContentInfo::id, ContentInfo::IsSelected(), ReverseLookupDependency(), ReverseLookupTreeDependency(), ContentInfo::SELECTED, ContentInfo::state, Unselect(), and ContentInfo::UNSELECTED.
Referenced by Select(), SelectAll(), SelectUpgrade(), and Unselect().
void ClientNetworkContentSocketHandler::Clear | ( | ) |
Clear all downloaded content information.
Definition at line 993 of file network_content.cpp.
References SmallVector< T, S >::Begin(), SmallVector< T, S >::Clear(), SmallVector< T, S >::End(), infos, and requested.
Referenced by ShowNetworkContentListWindow().
void ClientNetworkContentSocketHandler::DownloadContentInfo | ( | ContentID | cid | ) | [protected] |
Download information of a given Content ID if not already tried.
cid | the ID to try |
Definition at line 754 of file network_content.cpp.
References SmallVector< T, S >::Append(), SmallVector< T, S >::Contains(), and requested.
Referenced by CheckDependencyState().
ConstContentIterator ClientNetworkContentSocketHandler::End | ( | ) | const [inline] |
Get the end of the content inf iterator.
Definition at line 138 of file network_content.h.
References SmallVector< T, S >::End(), and infos.
Referenced by NetworkContentListWindow::BuildContentList(), and NetworkContentListWindow::DrawDetails().
ConstContentIterator ClientNetworkContentSocketHandler::Get | ( | uint32 | index | ) | const [inline] |
Get the nth position of the content inf iterator.
Definition at line 136 of file network_content.h.
References SmallVector< T, S >::Get(), and infos.
ContentInfo * ClientNetworkContentSocketHandler::GetContent | ( | ContentID | cid | ) | [protected] |
Get the content info based on a ContentID.
cid | the ContentID to search for |
Definition at line 769 of file network_content.cpp.
References SmallVector< T, S >::Begin(), SmallVector< T, S >::End(), ContentInfo::id, and infos.
Referenced by CheckDependencyState(), Select(), and Unselect().
uint ClientNetworkContentSocketHandler::Length | ( | ) | const [inline] |
Get the number of content items we know locally.
Definition at line 132 of file network_content.h.
References infos, and SmallVector< T, S >::Length().
void ClientNetworkContentSocketHandler::OnFailure | ( | ) | [protected, virtual] |
An error has occurred and the connection has been closed.
Implements HTTPCallback.
Definition at line 519 of file network_content.cpp.
References curFile, curInfo, http_response, http_response_index, and SmallVector< T, S >::Reset().
Referenced by OnReceiveData().
void ClientNetworkContentSocketHandler::OnReceiveData | ( | const char * | data, | |
size_t | length | |||
) | [protected, virtual] |
We're receiving data.
data | the received data, NULL when all data has been received. | |
length | the amount of received data, 0 when all data has been received. |
Check p for not being null and return calling OnFailure if that's not the case.
Check p for not being null and then terminate, or return calling OnFailure.
Implements HTTPCallback.
Definition at line 538 of file network_content.cpp.
References AfterDownload(), SmallVector< T, S >::Append(), BeforeDownload(), SmallVector< T, S >::Begin(), Connect(), curFile, curInfo, ContentInfo::filename, ContentInfo::filesize, http_response, http_response_index, ContentInfo::id, lastof, SmallVector< T, S >::Length(), OnFailure(), strecpy(), and ContentInfo::type.
void ClientNetworkContentSocketHandler::ReverseLookupDependency | ( | ConstContentVector & | parents, | |
const ContentInfo * | child | |||
) | const |
Reverse lookup the dependencies of (direct) parents over a given child.
parents | list to store all parents in (is not cleared) | |
child | the child to search the parents' dependencies for |
Definition at line 861 of file network_content.cpp.
References SmallVector< T, S >::Append(), SmallVector< T, S >::Begin(), ContentInfo::dependencies, ContentInfo::dependency_count, SmallVector< T, S >::End(), ContentInfo::id, and infos.
Referenced by CheckDependencyState(), and ReverseLookupTreeDependency().
void ClientNetworkContentSocketHandler::ReverseLookupTreeDependency | ( | ConstContentVector & | tree, | |
const ContentInfo * | child | |||
) | const |
Reverse lookup the dependencies of all parents over a given child.
tree | list to store all parents in (is not cleared) | |
child | the child to search the parents' dependencies for |
Definition at line 881 of file network_content.cpp.
References SmallVector< T, S >::Append(), SmallVector< T, S >::Begin(), SmallVector< T, S >::End(), SmallVector< T, S >::Include(), SmallVector< T, S >::Length(), and ReverseLookupDependency().
Referenced by CheckDependencyState(), and NetworkContentListWindow::DrawDetails().
void ClientNetworkContentSocketHandler::Select | ( | ContentID | cid | ) |
Select a specific content id.
cid | the content ID to select |
Definition at line 783 of file network_content.cpp.
References CheckDependencyState(), GetContent(), ContentInfo::state, and ContentInfo::UNSELECTED.
Referenced by ToggleSelectedState().
void ClientNetworkContentSocketHandler::Unselect | ( | ContentID | cid | ) |
Unselect a specific content id.
cid | the content ID to deselect |
Definition at line 796 of file network_content.cpp.
References CheckDependencyState(), GetContent(), ContentInfo::IsSelected(), and ContentInfo::state.
Referenced by CheckDependencyState(), and ToggleSelectedState().
void ClientNetworkContentSocketHandler::UnselectAll | ( | ) |
Unselect everything that we've not downloaded so far.
Definition at line 830 of file network_content.cpp.
References SmallVector< T, S >::Begin(), SmallVector< T, S >::End(), infos, ContentInfo::IsSelected(), ContentInfo::state, and ContentInfo::UNSELECTED.
const int ClientNetworkContentSocketHandler::IDLE_TIMEOUT = 60 * 1000 [static] |
The idle timeout; when to close the connection because it's idle.
Definition at line 105 of file network_content.h.
Referenced by SendReceive().