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00012 #if defined(ENABLE_NETWORK)
00013
00014 #include "../stdafx.h"
00015 #include "../rev.h"
00016 #include "../ai/ai.hpp"
00017 #include "../window_func.h"
00018 #include "../gui.h"
00019 #include "../variables.h"
00020 #include "../base_media_base.h"
00021 #include "../settings_type.h"
00022 #include "network_content.h"
00023
00024 #include "table/strings.h"
00025
00026 #if defined(WITH_ZLIB)
00027 #include <zlib.h>
00028 #endif
00029
00030 extern bool TarListAddFile(const char *filename);
00031 extern bool HasScenario(const ContentInfo *ci, bool md5sum);
00032 ClientNetworkContentSocketHandler _network_content_client;
00033
00035 static bool HasGRFConfig(const ContentInfo *ci, bool md5sum)
00036 {
00037 return FindGRFConfig(BSWAP32(ci->unique_id), md5sum ? ci->md5sum : NULL) != NULL;
00038 }
00039
00047 typedef bool (*HasProc)(const ContentInfo *ci, bool md5sum);
00048
00049 DEF_CONTENT_RECEIVE_COMMAND(Client, PACKET_CONTENT_SERVER_INFO)
00050 {
00051 ContentInfo *ci = new ContentInfo();
00052 ci->type = (ContentType)p->Recv_uint8();
00053 ci->id = (ContentID)p->Recv_uint32();
00054 ci->filesize = p->Recv_uint32();
00055
00056 p->Recv_string(ci->name, lengthof(ci->name));
00057 p->Recv_string(ci->version, lengthof(ci->name));
00058 p->Recv_string(ci->url, lengthof(ci->url));
00059 p->Recv_string(ci->description, lengthof(ci->description), true);
00060
00061 ci->unique_id = p->Recv_uint32();
00062 for (uint j = 0; j < sizeof(ci->md5sum); j++) {
00063 ci->md5sum[j] = p->Recv_uint8();
00064 }
00065
00066 ci->dependency_count = p->Recv_uint8();
00067 ci->dependencies = MallocT<ContentID>(ci->dependency_count);
00068 for (uint i = 0; i < ci->dependency_count; i++) ci->dependencies[i] = (ContentID)p->Recv_uint32();
00069
00070 ci->tag_count = p->Recv_uint8();
00071 ci->tags = MallocT<char[32]>(ci->tag_count);
00072 for (uint i = 0; i < ci->tag_count; i++) p->Recv_string(ci->tags[i], lengthof(*ci->tags));
00073
00074 if (!ci->IsValid()) {
00075 delete ci;
00076 this->Close();
00077 return false;
00078 }
00079
00080
00081 HasProc proc = NULL;
00082 switch (ci->type) {
00083 case CONTENT_TYPE_NEWGRF:
00084 proc = HasGRFConfig;
00085 break;
00086
00087 case CONTENT_TYPE_BASE_GRAPHICS:
00088 proc = BaseGraphics::HasSet;
00089 break;
00090
00091 case CONTENT_TYPE_BASE_MUSIC:
00092 proc = BaseMusic::HasSet;
00093 break;
00094
00095 case CONTENT_TYPE_BASE_SOUNDS:
00096 proc = BaseSounds::HasSet;
00097 break;
00098
00099 case CONTENT_TYPE_AI:
00100 case CONTENT_TYPE_AI_LIBRARY:
00101 proc = AI::HasAI; break;
00102 break;
00103
00104 case CONTENT_TYPE_SCENARIO:
00105 case CONTENT_TYPE_HEIGHTMAP:
00106 proc = HasScenario;
00107 break;
00108
00109 default:
00110 break;
00111 }
00112
00113 if (proc != NULL) {
00114 if (proc(ci, true)) {
00115 ci->state = ContentInfo::ALREADY_HERE;
00116 } else {
00117 ci->state = ContentInfo::UNSELECTED;
00118 if (proc(ci, false)) ci->upgrade = true;
00119 }
00120 } else {
00121 ci->state = ContentInfo::UNSELECTED;
00122 }
00123
00124
00125 if (ci->state == ContentInfo::UNSELECTED && ci->filesize == 0) ci->state = ContentInfo::DOES_NOT_EXIST;
00126
00127
00128 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
00129 ContentInfo *ici = *iter;
00130 if (ici->type == ci->type && ici->unique_id == ci->unique_id &&
00131 memcmp(ci->md5sum, ici->md5sum, sizeof(ci->md5sum)) == 0) {
00132
00133 if (StrEmpty(ci->name)) strecpy(ci->name, ici->name, lastof(ci->name));
00134 if (ici->IsSelected()) ci->state = ici->state;
00135
00136 delete ici;
00137 *iter = ci;
00138
00139 this->OnReceiveContentInfo(ci);
00140 return true;
00141 }
00142 }
00143
00144
00145 if (ci->filesize == 0) {
00146 delete ci;
00147 return true;
00148 }
00149
00150 *this->infos.Append() = ci;
00151
00152
00153 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
00154 this->CheckDependencyState(*iter);
00155 }
00156
00157 this->OnReceiveContentInfo(ci);
00158
00159 return true;
00160 }
00161
00162 void ClientNetworkContentSocketHandler::RequestContentList(ContentType type)
00163 {
00164 if (type == CONTENT_TYPE_END) {
00165 this->RequestContentList(CONTENT_TYPE_BASE_GRAPHICS);
00166 this->RequestContentList(CONTENT_TYPE_BASE_MUSIC);
00167 this->RequestContentList(CONTENT_TYPE_BASE_SOUNDS);
00168 this->RequestContentList(CONTENT_TYPE_SCENARIO);
00169 this->RequestContentList(CONTENT_TYPE_HEIGHTMAP);
00170 #ifdef ENABLE_AI
00171 this->RequestContentList(CONTENT_TYPE_AI);
00172 this->RequestContentList(CONTENT_TYPE_AI_LIBRARY);
00173 #endif
00174 this->RequestContentList(CONTENT_TYPE_NEWGRF);
00175 return;
00176 }
00177
00178 this->Connect();
00179
00180 Packet *p = new Packet(PACKET_CONTENT_CLIENT_INFO_LIST);
00181 p->Send_uint8 ((byte)type);
00182 p->Send_uint32(_openttd_newgrf_version);
00183
00184 this->Send_Packet(p);
00185 }
00186
00187 void ClientNetworkContentSocketHandler::RequestContentList(uint count, const ContentID *content_ids)
00188 {
00189 this->Connect();
00190
00191 while (count > 0) {
00192
00193
00194
00195
00196
00197 uint p_count = min(count, (SEND_MTU - sizeof(PacketSize) - sizeof(byte) - sizeof(byte) - sizeof(uint16)) / sizeof(uint32));
00198
00199 Packet *p = new Packet(PACKET_CONTENT_CLIENT_INFO_ID);
00200 p->Send_uint16(p_count);
00201
00202 for (uint i = 0; i < p_count; i++) {
00203 p->Send_uint32(content_ids[i]);
00204 }
00205
00206 this->Send_Packet(p);
00207 count -= p_count;
00208 content_ids += p_count;
00209 }
00210 }
00211
00212 void ClientNetworkContentSocketHandler::RequestContentList(ContentVector *cv, bool send_md5sum)
00213 {
00214 if (cv == NULL) return;
00215
00216 this->Connect();
00217
00218
00219 assert(cv->Length() < 255);
00220 assert(cv->Length() < (SEND_MTU - sizeof(PacketSize) - sizeof(byte) - sizeof(uint8)) / (send_md5sum ? 20 : sizeof(uint32)));
00221
00222 Packet *p = new Packet(send_md5sum ? PACKET_CONTENT_CLIENT_INFO_EXTID_MD5 : PACKET_CONTENT_CLIENT_INFO_EXTID);
00223 p->Send_uint8(cv->Length());
00224
00225 for (ContentIterator iter = cv->Begin(); iter != cv->End(); iter++) {
00226 const ContentInfo *ci = *iter;
00227 p->Send_uint8((byte)ci->type);
00228 p->Send_uint32(ci->unique_id);
00229 if (!send_md5sum) continue;
00230
00231 for (uint j = 0; j < sizeof(ci->md5sum); j++) {
00232 p->Send_uint8(ci->md5sum[j]);
00233 }
00234 }
00235
00236 this->Send_Packet(p);
00237
00238 for (ContentIterator iter = cv->Begin(); iter != cv->End(); iter++) {
00239 ContentInfo *ci = *iter;
00240 bool found = false;
00241 for (ContentIterator iter2 = this->infos.Begin(); iter2 != this->infos.End(); iter2++) {
00242 ContentInfo *ci2 = *iter2;
00243 if (ci->type == ci2->type && ci->unique_id == ci2->unique_id &&
00244 (!send_md5sum || memcmp(ci->md5sum, ci2->md5sum, sizeof(ci->md5sum)) == 0)) {
00245 found = true;
00246 break;
00247 }
00248 }
00249 if (!found) {
00250 *this->infos.Append() = ci;
00251 } else {
00252 delete ci;
00253 }
00254 }
00255 }
00256
00257 void ClientNetworkContentSocketHandler::DownloadSelectedContent(uint &files, uint &bytes, bool fallback)
00258 {
00259 bytes = 0;
00260
00261 ContentIDList content;
00262 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
00263 const ContentInfo *ci = *iter;
00264 if (!ci->IsSelected() || ci->state == ContentInfo::ALREADY_HERE) continue;
00265
00266 *content.Append() = ci->id;
00267 bytes += ci->filesize;
00268 }
00269
00270 files = content.Length();
00271
00272
00273 if (files == 0) return;
00274
00275 if (_settings_client.network.no_http_content_downloads || fallback) {
00276 this->DownloadSelectedContentFallback(content);
00277 } else {
00278 this->DownloadSelectedContentHTTP(content);
00279 }
00280 }
00281
00282 void ClientNetworkContentSocketHandler::DownloadSelectedContentHTTP(const ContentIDList &content)
00283 {
00284 uint count = content.Length();
00285
00286
00287
00288
00289
00290 uint bytes = (10 + 1) * count + 1;
00291 char *content_request = MallocT<char>(bytes);
00292 const char *lastof = content_request + bytes - 1;
00293
00294 char *p = content_request;
00295 for (const ContentID *id = content.Begin(); id != content.End(); id++) {
00296 p += seprintf(p, lastof, "%d\n", *id);
00297 }
00298
00299 this->http_response_index = -1;
00300
00301 NetworkAddress address(NETWORK_CONTENT_MIRROR_HOST, NETWORK_CONTENT_MIRROR_PORT);
00302 new NetworkHTTPContentConnecter(address, this, NETWORK_CONTENT_MIRROR_URL, content_request);
00303
00304 }
00305
00306 void ClientNetworkContentSocketHandler::DownloadSelectedContentFallback(const ContentIDList &content)
00307 {
00308 uint count = content.Length();
00309 const ContentID *content_ids = content.Begin();
00310 this->Connect();
00311
00312 while (count > 0) {
00313
00314
00315
00316
00317 uint p_count = min(count, (SEND_MTU - sizeof(PacketSize) - sizeof(byte) - sizeof(uint16)) / sizeof(uint32));
00318
00319 Packet *p = new Packet(PACKET_CONTENT_CLIENT_CONTENT);
00320 p->Send_uint16(p_count);
00321
00322 for (uint i = 0; i < p_count; i++) {
00323 p->Send_uint32(content_ids[i]);
00324 }
00325
00326 this->Send_Packet(p);
00327 count -= p_count;
00328 content_ids += p_count;
00329 }
00330 }
00331
00339 static char *GetFullFilename(const ContentInfo *ci, bool compressed)
00340 {
00341 Subdirectory dir;
00342 switch (ci->type) {
00343 default: return NULL;
00344 case CONTENT_TYPE_BASE_GRAPHICS: dir = DATA_DIR; break;
00345 case CONTENT_TYPE_BASE_MUSIC: dir = GM_DIR; break;
00346 case CONTENT_TYPE_BASE_SOUNDS: dir = DATA_DIR; break;
00347 case CONTENT_TYPE_NEWGRF: dir = DATA_DIR; break;
00348 case CONTENT_TYPE_AI: dir = AI_DIR; break;
00349 case CONTENT_TYPE_AI_LIBRARY: dir = AI_LIBRARY_DIR; break;
00350 case CONTENT_TYPE_SCENARIO: dir = SCENARIO_DIR; break;
00351 case CONTENT_TYPE_HEIGHTMAP: dir = HEIGHTMAP_DIR; break;
00352 }
00353
00354 static char buf[MAX_PATH];
00355 FioGetFullPath(buf, lengthof(buf), SP_AUTODOWNLOAD_DIR, dir, ci->filename);
00356 strecat(buf, compressed ? ".tar.gz" : ".tar", lastof(buf));
00357
00358 return buf;
00359 }
00360
00366 static bool GunzipFile(const ContentInfo *ci)
00367 {
00368 #if defined(WITH_ZLIB)
00369 bool ret = true;
00370 FILE *ftmp = fopen(GetFullFilename(ci, true), "rb");
00371 gzFile fin = gzdopen(fileno(ftmp), "rb");
00372 FILE *fout = fopen(GetFullFilename(ci, false), "wb");
00373
00374 if (fin == NULL || fout == NULL) {
00375 ret = false;
00376 } else {
00377 byte buff[8192];
00378 while (1) {
00379 int read = gzread(fin, buff, sizeof(buff));
00380 if (read == 0) {
00381
00382
00383
00384
00385
00386
00387
00388
00389
00390
00391
00392
00393 int errnum;
00394 gzerror(fin, &errnum);
00395 if (errnum != 0 && errnum != Z_STREAM_END) ret = false;
00396 break;
00397 }
00398 if (read < 0 || (size_t)read != fwrite(buff, 1, read, fout)) {
00399
00400 ret = false;
00401 break;
00402 }
00403
00404
00405 }
00406 }
00407
00408 if (fin != NULL) {
00409
00410 gzclose(fin);
00411 } else if (ftmp != NULL) {
00412
00413
00414 fclose(ftmp);
00415 }
00416 if (fout != NULL) fclose(fout);
00417
00418 return ret;
00419 #else
00420 NOT_REACHED();
00421 #endif
00422 }
00423
00424 DEF_CONTENT_RECEIVE_COMMAND(Client, PACKET_CONTENT_SERVER_CONTENT)
00425 {
00426 if (this->curFile == NULL) {
00427 delete this->curInfo;
00428
00429 this->curInfo = new ContentInfo;
00430 this->curInfo->type = (ContentType)p->Recv_uint8();
00431 this->curInfo->id = (ContentID)p->Recv_uint32();
00432 this->curInfo->filesize = p->Recv_uint32();
00433 p->Recv_string(this->curInfo->filename, lengthof(this->curInfo->filename));
00434
00435 if (!this->BeforeDownload()) {
00436 this->Close();
00437 return false;
00438 }
00439 } else {
00440
00441 size_t toRead = (size_t)(p->size - p->pos);
00442 if (fwrite(p->buffer + p->pos, 1, toRead, this->curFile) != toRead) {
00443 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00444 ShowErrorMessage(STR_CONTENT_ERROR_COULD_NOT_DOWNLOAD_FILE_NOT_WRITABLE, STR_CONTENT_ERROR_COULD_NOT_DOWNLOAD, 0, 0);
00445 this->Close();
00446 fclose(this->curFile);
00447 this->curFile = NULL;
00448
00449 return false;
00450 }
00451
00452 this->OnDownloadProgress(this->curInfo, (uint)toRead);
00453
00454 if (toRead == 0) this->AfterDownload();
00455 }
00456
00457 return true;
00458 }
00459
00464 bool ClientNetworkContentSocketHandler::BeforeDownload()
00465 {
00466 if (!this->curInfo->IsValid()) {
00467 delete this->curInfo;
00468 this->curInfo = NULL;
00469 return false;
00470 }
00471
00472 if (this->curInfo->filesize != 0) {
00473
00474 const char *filename = GetFullFilename(this->curInfo, true);
00475 if (filename == NULL) {
00476
00477 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00478 ShowErrorMessage(STR_CONTENT_ERROR_COULD_NOT_DOWNLOAD_FILE_NOT_WRITABLE, STR_CONTENT_ERROR_COULD_NOT_DOWNLOAD, 0, 0);
00479 return false;
00480 }
00481
00482 this->curFile = fopen(filename, "wb");
00483 }
00484 return true;
00485 }
00486
00491 void ClientNetworkContentSocketHandler::AfterDownload()
00492 {
00493
00494
00495 fclose(this->curFile);
00496 this->curFile = NULL;
00497
00498 if (GunzipFile(this->curInfo)) {
00499 unlink(GetFullFilename(this->curInfo, true));
00500
00501 TarListAddFile(GetFullFilename(this->curInfo, false));
00502
00503 if (this->curInfo->type == CONTENT_TYPE_BASE_MUSIC) {
00504
00505 ExtractTar(GetFullFilename(this->curInfo, false));
00506 unlink(GetFullFilename(this->curInfo, false));
00507 }
00508
00509 this->OnDownloadComplete(this->curInfo->id);
00510 } else {
00511 ShowErrorMessage(STR_CONTENT_ERROR_COULD_NOT_EXTRACT, INVALID_STRING_ID, 0, 0);
00512 }
00513 }
00514
00515
00516 void ClientNetworkContentSocketHandler::OnFailure()
00517 {
00518
00519 uint files, bytes;
00520 this->DownloadSelectedContent(files, bytes, true);
00521
00522 this->http_response.Reset();
00523 this->http_response_index = -2;
00524
00525 if (this->curFile != NULL) {
00526 fclose(this->curFile);
00527 this->curFile = NULL;
00528 }
00529 }
00530
00531 void ClientNetworkContentSocketHandler::OnReceiveData(const char *data, size_t length)
00532 {
00533 assert(data == NULL || length != 0);
00534
00535
00536 if (this->http_response_index == -2) return;
00537
00538 if (this->http_response_index == -1) {
00539 if (data != NULL) {
00540
00541 memcpy(this->http_response.Append((uint)length), data, length);
00542 return;
00543 } else {
00544
00545 *this->http_response.Append() = '\0';
00546
00547
00548 this->http_response_index = 0;
00549 }
00550 }
00551
00552 if (data != NULL) {
00553
00554 if (fwrite(data, 1, length, this->curFile) != length) {
00555
00556 this->OnFailure();
00557 } else {
00558
00559 this->OnDownloadProgress(this->curInfo, (uint)length);
00560 }
00561
00562 return;
00563 }
00564
00565 if (this->curFile != NULL) {
00566
00567 this->AfterDownload();
00568 }
00569
00570 if ((uint)this->http_response_index >= this->http_response.Length()) {
00571
00572
00573
00574 this->OnFailure();
00575 return;
00576 }
00577
00578 delete this->curInfo;
00579
00580 this->curInfo = new ContentInfo;
00581
00583 #define check_not_null(p) { if ((p) == NULL) { this->OnFailure(); return; } }
00584
00585 #define check_and_terminate(p) { check_not_null(p); *(p) = '\0'; }
00586
00587 for (;;) {
00588 char *str = this->http_response.Begin() + this->http_response_index;
00589 char *p = strchr(str, '\n');
00590 check_and_terminate(p);
00591
00592
00593 this->http_response_index += (int)strlen(str) + 1;
00594
00595
00596 p = strchr(str, ',');
00597 check_and_terminate(p);
00598 this->curInfo->id = (ContentID)atoi(str);
00599
00600
00601 str = p + 1;
00602 p = strchr(str, ',');
00603 check_and_terminate(p);
00604 this->curInfo->type = (ContentType)atoi(str);
00605
00606
00607 str = p + 1;
00608 p = strchr(str, ',');
00609 check_and_terminate(p);
00610 this->curInfo->filesize = atoi(str);
00611
00612
00613 str = p + 1;
00614
00615 if (strncmp(str, "ottd", 4) == 0) {
00616 if ((uint)this->http_response_index >= this->http_response.Length()) {
00617
00618 this->OnFailure();
00619 return;
00620 }
00621 continue;
00622 }
00623
00624 p = strrchr(str, '/');
00625 check_not_null(p);
00626 p++;
00627
00628 char tmp[MAX_PATH];
00629 if (strecpy(tmp, p, lastof(tmp)) == lastof(tmp)) {
00630 this->OnFailure();
00631 return;
00632 }
00633
00634 for (uint i = 0; i < 2; i++) {
00635 p = strrchr(tmp, '.');
00636 check_and_terminate(p);
00637 }
00638
00639
00640 strecpy(this->curInfo->filename, tmp, lastof(this->curInfo->filename));
00641
00642
00643 if (!this->BeforeDownload()) {
00644 this->OnFailure();
00645 return;
00646 }
00647
00648 NetworkHTTPSocketHandler::Connect(str, this);
00649 return;
00650 }
00651
00652 #undef check
00653 #undef check_and_terminate
00654 }
00655
00661 ClientNetworkContentSocketHandler::ClientNetworkContentSocketHandler() :
00662 NetworkContentSocketHandler(),
00663 http_response_index(-2),
00664 curFile(NULL),
00665 curInfo(NULL),
00666 isConnecting(false)
00667 {
00668 }
00669
00671 ClientNetworkContentSocketHandler::~ClientNetworkContentSocketHandler()
00672 {
00673 delete this->curInfo;
00674 if (this->curFile != NULL) fclose(this->curFile);
00675
00676 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) delete *iter;
00677 }
00678
00679 class NetworkContentConnecter : TCPConnecter {
00680 public:
00681 NetworkContentConnecter(const NetworkAddress &address) : TCPConnecter(address) {}
00682
00683 virtual void OnFailure()
00684 {
00685 _network_content_client.isConnecting = false;
00686 _network_content_client.OnConnect(false);
00687 }
00688
00689 virtual void OnConnect(SOCKET s)
00690 {
00691 assert(_network_content_client.sock == INVALID_SOCKET);
00692 _network_content_client.isConnecting = false;
00693 _network_content_client.sock = s;
00694 _network_content_client.Reopen();
00695 _network_content_client.OnConnect(true);
00696 }
00697 };
00698
00702 void ClientNetworkContentSocketHandler::Connect()
00703 {
00704 this->lastActivity = _realtime_tick;
00705
00706 if (this->sock != INVALID_SOCKET || this->isConnecting) return;
00707 this->isConnecting = true;
00708 new NetworkContentConnecter(NetworkAddress(NETWORK_CONTENT_SERVER_HOST, NETWORK_CONTENT_SERVER_PORT, AF_UNSPEC));
00709 }
00710
00714 void ClientNetworkContentSocketHandler::Close()
00715 {
00716 if (this->sock == INVALID_SOCKET) return;
00717 NetworkContentSocketHandler::Close();
00718
00719 this->OnDisconnect();
00720 }
00721
00726 void ClientNetworkContentSocketHandler::SendReceive()
00727 {
00728 if (this->sock == INVALID_SOCKET || this->isConnecting) return;
00729
00730 if (this->lastActivity + IDLE_TIMEOUT < _realtime_tick) {
00731 this->Close();
00732 return;
00733 }
00734
00735 fd_set read_fd, write_fd;
00736 struct timeval tv;
00737
00738 FD_ZERO(&read_fd);
00739 FD_ZERO(&write_fd);
00740
00741 FD_SET(this->sock, &read_fd);
00742 FD_SET(this->sock, &write_fd);
00743
00744 tv.tv_sec = tv.tv_usec = 0;
00745 #if !defined(__MORPHOS__) && !defined(__AMIGA__)
00746 select(FD_SETSIZE, &read_fd, &write_fd, NULL, &tv);
00747 #else
00748 WaitSelect(FD_SETSIZE, &read_fd, &write_fd, NULL, &tv, NULL);
00749 #endif
00750 if (FD_ISSET(this->sock, &read_fd)) {
00751 this->Recv_Packets();
00752 this->lastActivity = _realtime_tick;
00753 }
00754
00755 this->writable = !!FD_ISSET(this->sock, &write_fd);
00756 this->Send_Packets();
00757 }
00758
00763 void ClientNetworkContentSocketHandler::DownloadContentInfo(ContentID cid)
00764 {
00765
00766 if (this->requested.Contains(cid)) return;
00767
00768 *this->requested.Append() = cid;
00769 assert(this->requested.Contains(cid));
00770 this->RequestContentList(1, &cid);
00771 }
00772
00778 ContentInfo *ClientNetworkContentSocketHandler::GetContent(ContentID cid)
00779 {
00780 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
00781 ContentInfo *ci = *iter;
00782 if (ci->id == cid) return ci;
00783 }
00784 return NULL;
00785 }
00786
00787
00792 void ClientNetworkContentSocketHandler::Select(ContentID cid)
00793 {
00794 ContentInfo *ci = this->GetContent(cid);
00795 if (ci == NULL || ci->state != ContentInfo::UNSELECTED) return;
00796
00797 ci->state = ContentInfo::SELECTED;
00798 this->CheckDependencyState(ci);
00799 }
00800
00805 void ClientNetworkContentSocketHandler::Unselect(ContentID cid)
00806 {
00807 ContentInfo *ci = this->GetContent(cid);
00808 if (ci == NULL || !ci->IsSelected()) return;
00809
00810 ci->state = ContentInfo::UNSELECTED;
00811 this->CheckDependencyState(ci);
00812 }
00813
00815 void ClientNetworkContentSocketHandler::SelectAll()
00816 {
00817 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
00818 ContentInfo *ci = *iter;
00819 if (ci->state == ContentInfo::UNSELECTED) {
00820 ci->state = ContentInfo::SELECTED;
00821 this->CheckDependencyState(ci);
00822 }
00823 }
00824 }
00825
00827 void ClientNetworkContentSocketHandler::SelectUpgrade()
00828 {
00829 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
00830 ContentInfo *ci = *iter;
00831 if (ci->state == ContentInfo::UNSELECTED && ci->upgrade) {
00832 ci->state = ContentInfo::SELECTED;
00833 this->CheckDependencyState(ci);
00834 }
00835 }
00836 }
00837
00839 void ClientNetworkContentSocketHandler::UnselectAll()
00840 {
00841 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
00842 ContentInfo *ci = *iter;
00843 if (ci->IsSelected() && ci->state != ContentInfo::ALREADY_HERE) ci->state = ContentInfo::UNSELECTED;
00844 }
00845 }
00846
00848 void ClientNetworkContentSocketHandler::ToggleSelectedState(const ContentInfo *ci)
00849 {
00850 switch (ci->state) {
00851 case ContentInfo::SELECTED:
00852 case ContentInfo::AUTOSELECTED:
00853 this->Unselect(ci->id);
00854 break;
00855
00856 case ContentInfo::UNSELECTED:
00857 this->Select(ci->id);
00858 break;
00859
00860 default:
00861 break;
00862 }
00863 }
00864
00870 void ClientNetworkContentSocketHandler::ReverseLookupDependency(ConstContentVector &parents, const ContentInfo *child) const
00871 {
00872 for (ConstContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
00873 const ContentInfo *ci = *iter;
00874 if (ci == child) continue;
00875
00876 for (uint i = 0; i < ci->dependency_count; i++) {
00877 if (ci->dependencies[i] == child->id) {
00878 *parents.Append() = ci;
00879 break;
00880 }
00881 }
00882 }
00883 }
00884
00890 void ClientNetworkContentSocketHandler::ReverseLookupTreeDependency(ConstContentVector &tree, const ContentInfo *child) const
00891 {
00892 *tree.Append() = child;
00893
00894
00895 for (ConstContentIterator iter = tree.Begin(); iter != tree.End(); iter++) {
00896 ConstContentVector parents;
00897 this->ReverseLookupDependency(parents, *iter);
00898
00899 for (ConstContentIterator piter = parents.Begin(); piter != parents.End(); piter++) {
00900 tree.Include(*piter);
00901 }
00902 }
00903 }
00904
00909 void ClientNetworkContentSocketHandler::CheckDependencyState(ContentInfo *ci)
00910 {
00911 if (ci->IsSelected() || ci->state == ContentInfo::ALREADY_HERE) {
00912
00913
00914
00915 for (uint i = 0; i < ci->dependency_count; i++) {
00916 ContentInfo *c = this->GetContent(ci->dependencies[i]);
00917 if (c == NULL) {
00918 this->DownloadContentInfo(ci->dependencies[i]);
00919 } else if (c->state == ContentInfo::UNSELECTED) {
00920 c->state = ContentInfo::AUTOSELECTED;
00921 this->CheckDependencyState(c);
00922 }
00923 }
00924 return;
00925 }
00926
00927 if (ci->state != ContentInfo::UNSELECTED) return;
00928
00929
00930
00931
00932
00933 ConstContentVector parents;
00934 this->ReverseLookupDependency(parents, ci);
00935 for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
00936 const ContentInfo *c = *iter;
00937 if (!c->IsSelected()) continue;
00938
00939 this->Unselect(c->id);
00940 }
00941
00942 for (uint i = 0; i < ci->dependency_count; i++) {
00943 const ContentInfo *c = this->GetContent(ci->dependencies[i]);
00944 if (c == NULL) {
00945 DownloadContentInfo(ci->dependencies[i]);
00946 continue;
00947 }
00948 if (c->state != ContentInfo::AUTOSELECTED) continue;
00949
00950
00951 parents.Clear();
00952 this->ReverseLookupDependency(parents, c);
00953
00954
00955 int sel_count = 0;
00956 bool force_selection = false;
00957 for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
00958 if ((*iter)->IsSelected()) sel_count++;
00959 if ((*iter)->state == ContentInfo::SELECTED) force_selection = true;
00960 }
00961 if (sel_count == 0) {
00962
00963 this->Unselect(c->id);
00964 continue;
00965 }
00966
00967 if (force_selection) continue;
00968
00969
00970 parents.Clear();
00971 this->ReverseLookupTreeDependency(parents, c);
00972
00973
00974 for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
00975 if ((*iter)->state != ContentInfo::SELECTED) continue;
00976
00977 force_selection = true;
00978 break;
00979 }
00980
00981
00982 if (force_selection) continue;
00983
00984
00985
00986
00987
00988 for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
00989 const ContentInfo *c = *iter;
00990 if (c->state == ContentInfo::AUTOSELECTED) this->Unselect(c->id);
00991 }
00992 for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
00993 this->CheckDependencyState(this->GetContent((*iter)->id));
00994 }
00995 }
00996 }
00997
00998 void ClientNetworkContentSocketHandler::Clear()
00999 {
01000 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) delete *iter;
01001
01002 this->infos.Clear();
01003 this->requested.Clear();
01004 }
01005
01006
01007
01008 void ClientNetworkContentSocketHandler::OnConnect(bool success)
01009 {
01010 for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); ) {
01011 ContentCallback *cb = *iter;
01012 cb->OnConnect(success);
01013 if (iter != this->callbacks.End() && *iter == cb) iter++;
01014 }
01015 }
01016
01017 void ClientNetworkContentSocketHandler::OnDisconnect()
01018 {
01019 for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); ) {
01020 ContentCallback *cb = *iter;
01021 cb->OnDisconnect();
01022 if (iter != this->callbacks.End() && *iter == cb) iter++;
01023 }
01024 }
01025
01026 void ClientNetworkContentSocketHandler::OnReceiveContentInfo(const ContentInfo *ci)
01027 {
01028 for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); ) {
01029 ContentCallback *cb = *iter;
01030 cb->OnReceiveContentInfo(ci);
01031 if (iter != this->callbacks.End() && *iter == cb) iter++;
01032 }
01033 }
01034
01035 void ClientNetworkContentSocketHandler::OnDownloadProgress(const ContentInfo *ci, uint bytes)
01036 {
01037 for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); ) {
01038 ContentCallback *cb = *iter;
01039 cb->OnDownloadProgress(ci, bytes);
01040 if (iter != this->callbacks.End() && *iter == cb) iter++;
01041 }
01042 }
01043
01044 void ClientNetworkContentSocketHandler::OnDownloadComplete(ContentID cid)
01045 {
01046 ContentInfo *ci = this->GetContent(cid);
01047 if (ci != NULL) {
01048 ci->state = ContentInfo::ALREADY_HERE;
01049 }
01050
01051 for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); ) {
01052 ContentCallback *cb = *iter;
01053 cb->OnDownloadComplete(cid);
01054 if (iter != this->callbacks.End() && *iter == cb) iter++;
01055 }
01056 }
01057
01058 #endif