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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 goto exit;
00377 }
00378
00379 byte buff[8192];
00380 while (!gzeof(fin)) {
00381 int read = gzread(fin, buff, sizeof(buff));
00382 if (read < 0 || (size_t)read != fwrite(buff, 1, read, fout)) {
00383 ret = false;
00384 break;
00385 }
00386 }
00387
00388 exit:
00389 if (fin != NULL) {
00390
00391 gzclose(fin);
00392 } else if (ftmp != NULL) {
00393
00394
00395 fclose(ftmp);
00396 }
00397 if (fout != NULL) fclose(fout);
00398
00399 return ret;
00400 #else
00401 NOT_REACHED();
00402 #endif
00403 }
00404
00405 DEF_CONTENT_RECEIVE_COMMAND(Client, PACKET_CONTENT_SERVER_CONTENT)
00406 {
00407 if (this->curFile == NULL) {
00408 delete this->curInfo;
00409
00410 this->curInfo = new ContentInfo;
00411 this->curInfo->type = (ContentType)p->Recv_uint8();
00412 this->curInfo->id = (ContentID)p->Recv_uint32();
00413 this->curInfo->filesize = p->Recv_uint32();
00414 p->Recv_string(this->curInfo->filename, lengthof(this->curInfo->filename));
00415
00416 if (!this->BeforeDownload()) {
00417 this->Close();
00418 return false;
00419 }
00420 } else {
00421
00422 size_t toRead = (size_t)(p->size - p->pos);
00423 if (fwrite(p->buffer + p->pos, 1, toRead, this->curFile) != toRead) {
00424 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00425 ShowErrorMessage(STR_CONTENT_ERROR_COULD_NOT_DOWNLOAD_FILE_NOT_WRITABLE, STR_CONTENT_ERROR_COULD_NOT_DOWNLOAD, 0, 0);
00426 this->Close();
00427 fclose(this->curFile);
00428 this->curFile = NULL;
00429
00430 return false;
00431 }
00432
00433 this->OnDownloadProgress(this->curInfo, (uint)toRead);
00434
00435 if (toRead == 0) this->AfterDownload();
00436 }
00437
00438 return true;
00439 }
00440
00445 bool ClientNetworkContentSocketHandler::BeforeDownload()
00446 {
00447 if (!this->curInfo->IsValid()) {
00448 delete this->curInfo;
00449 this->curInfo = NULL;
00450 return false;
00451 }
00452
00453 if (this->curInfo->filesize != 0) {
00454
00455 const char *filename = GetFullFilename(this->curInfo, true);
00456 if (filename == NULL) {
00457
00458 DeleteWindowById(WC_NETWORK_STATUS_WINDOW, 0);
00459 ShowErrorMessage(STR_CONTENT_ERROR_COULD_NOT_DOWNLOAD_FILE_NOT_WRITABLE, STR_CONTENT_ERROR_COULD_NOT_DOWNLOAD, 0, 0);
00460 return false;
00461 }
00462
00463 this->curFile = fopen(filename, "wb");
00464 }
00465 return true;
00466 }
00467
00472 void ClientNetworkContentSocketHandler::AfterDownload()
00473 {
00474
00475
00476 fclose(this->curFile);
00477 this->curFile = NULL;
00478
00479 if (GunzipFile(this->curInfo)) {
00480 unlink(GetFullFilename(this->curInfo, true));
00481
00482 TarListAddFile(GetFullFilename(this->curInfo, false));
00483
00484 this->OnDownloadComplete(this->curInfo->id);
00485 } else {
00486 ShowErrorMessage(STR_CONTENT_ERROR_COULD_NOT_EXTRACT, INVALID_STRING_ID, 0, 0);
00487 }
00488 }
00489
00490
00491 void ClientNetworkContentSocketHandler::OnFailure()
00492 {
00493
00494 uint files, bytes;
00495 this->DownloadSelectedContent(files, bytes, true);
00496
00497 this->http_response.Reset();
00498 this->http_response_index = -2;
00499
00500 if (this->curFile != NULL) {
00501 fclose(this->curFile);
00502 this->curFile = NULL;
00503 }
00504 }
00505
00506 void ClientNetworkContentSocketHandler::OnReceiveData(const char *data, size_t length)
00507 {
00508 assert(data == NULL || length != 0);
00509
00510
00511 if (this->http_response_index == -2) return;
00512
00513 if (this->http_response_index == -1) {
00514 if (data != NULL) {
00515
00516 memcpy(this->http_response.Append((uint)length), data, length);
00517 return;
00518 } else {
00519
00520 *this->http_response.Append() = '\0';
00521
00522
00523 this->http_response_index = 0;
00524 }
00525 }
00526
00527 if (data != NULL) {
00528
00529 if (fwrite(data, 1, length, this->curFile) != length) {
00530
00531 this->OnFailure();
00532 } else {
00533
00534 this->OnDownloadProgress(this->curInfo, (uint)length);
00535 }
00536
00537 return;
00538 }
00539
00540 if (this->curFile != NULL) {
00541
00542 this->AfterDownload();
00543 }
00544
00545 if ((uint)this->http_response_index >= this->http_response.Length()) {
00546
00547
00548
00549 this->OnFailure();
00550 return;
00551 }
00552
00553 delete this->curInfo;
00554
00555 this->curInfo = new ContentInfo;
00556
00558 #define check_not_null(p) { if ((p) == NULL) { this->OnFailure(); return; } }
00559
00560 #define check_and_terminate(p) { check_not_null(p); *(p) = '\0'; }
00561
00562 for (;;) {
00563 char *str = this->http_response.Begin() + this->http_response_index;
00564 char *p = strchr(str, '\n');
00565 check_and_terminate(p);
00566
00567
00568 this->http_response_index += (int)strlen(str) + 1;
00569
00570
00571 p = strchr(str, ',');
00572 check_and_terminate(p);
00573 this->curInfo->id = (ContentID)atoi(str);
00574
00575
00576 str = p + 1;
00577 p = strchr(str, ',');
00578 check_and_terminate(p);
00579 this->curInfo->type = (ContentType)atoi(str);
00580
00581
00582 str = p + 1;
00583 p = strchr(str, ',');
00584 check_and_terminate(p);
00585 this->curInfo->filesize = atoi(str);
00586
00587
00588 str = p + 1;
00589
00590 if (strncmp(str, "ottd", 4) == 0) {
00591 if ((uint)this->http_response_index >= this->http_response.Length()) {
00592
00593 this->OnFailure();
00594 return;
00595 }
00596 continue;
00597 }
00598
00599 p = strrchr(str, '/');
00600 check_not_null(p);
00601
00602 char tmp[MAX_PATH];
00603 if (strecpy(tmp, p, lastof(tmp)) == lastof(tmp)) {
00604 this->OnFailure();
00605 return;
00606 }
00607
00608 for (uint i = 0; i < 2; i++) {
00609 p = strrchr(tmp, '.');
00610 check_and_terminate(p);
00611 }
00612
00613
00614 strecpy(this->curInfo->filename, tmp, lastof(this->curInfo->filename));
00615
00616
00617 if (!this->BeforeDownload()) {
00618 this->OnFailure();
00619 return;
00620 }
00621
00622 NetworkHTTPSocketHandler::Connect(str, this);
00623 return;
00624 }
00625
00626 #undef check
00627 #undef check_and_terminate
00628 }
00629
00635 ClientNetworkContentSocketHandler::ClientNetworkContentSocketHandler() :
00636 NetworkContentSocketHandler(),
00637 http_response_index(-2),
00638 curFile(NULL),
00639 curInfo(NULL),
00640 isConnecting(false)
00641 {
00642 }
00643
00645 ClientNetworkContentSocketHandler::~ClientNetworkContentSocketHandler()
00646 {
00647 delete this->curInfo;
00648 if (this->curFile != NULL) fclose(this->curFile);
00649
00650 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) delete *iter;
00651 }
00652
00653 class NetworkContentConnecter : TCPConnecter {
00654 public:
00655 NetworkContentConnecter(const NetworkAddress &address) : TCPConnecter(address) {}
00656
00657 virtual void OnFailure()
00658 {
00659 _network_content_client.isConnecting = false;
00660 _network_content_client.OnConnect(false);
00661 }
00662
00663 virtual void OnConnect(SOCKET s)
00664 {
00665 assert(_network_content_client.sock == INVALID_SOCKET);
00666 _network_content_client.isConnecting = false;
00667 _network_content_client.sock = s;
00668 _network_content_client.Reopen();
00669 _network_content_client.OnConnect(true);
00670 }
00671 };
00672
00676 void ClientNetworkContentSocketHandler::Connect()
00677 {
00678 this->lastActivity = _realtime_tick;
00679
00680 if (this->sock != INVALID_SOCKET || this->isConnecting) return;
00681 this->isConnecting = true;
00682 new NetworkContentConnecter(NetworkAddress(NETWORK_CONTENT_SERVER_HOST, NETWORK_CONTENT_SERVER_PORT, AF_UNSPEC));
00683 }
00684
00688 void ClientNetworkContentSocketHandler::Close()
00689 {
00690 if (this->sock == INVALID_SOCKET) return;
00691 NetworkContentSocketHandler::Close();
00692
00693 this->OnDisconnect();
00694 }
00695
00700 void ClientNetworkContentSocketHandler::SendReceive()
00701 {
00702 if (this->sock == INVALID_SOCKET || this->isConnecting) return;
00703
00704 if (this->lastActivity + IDLE_TIMEOUT < _realtime_tick) {
00705 this->Close();
00706 return;
00707 }
00708
00709 fd_set read_fd, write_fd;
00710 struct timeval tv;
00711
00712 FD_ZERO(&read_fd);
00713 FD_ZERO(&write_fd);
00714
00715 FD_SET(this->sock, &read_fd);
00716 FD_SET(this->sock, &write_fd);
00717
00718 tv.tv_sec = tv.tv_usec = 0;
00719 #if !defined(__MORPHOS__) && !defined(__AMIGA__)
00720 select(FD_SETSIZE, &read_fd, &write_fd, NULL, &tv);
00721 #else
00722 WaitSelect(FD_SETSIZE, &read_fd, &write_fd, NULL, &tv, NULL);
00723 #endif
00724 if (FD_ISSET(this->sock, &read_fd)) {
00725 this->Recv_Packets();
00726 this->lastActivity = _realtime_tick;
00727 }
00728
00729 this->writable = !!FD_ISSET(this->sock, &write_fd);
00730 this->Send_Packets();
00731 }
00732
00737 void ClientNetworkContentSocketHandler::DownloadContentInfo(ContentID cid)
00738 {
00739
00740 if (this->requested.Contains(cid)) return;
00741
00742 *this->requested.Append() = cid;
00743 assert(this->requested.Contains(cid));
00744 this->RequestContentList(1, &cid);
00745 }
00746
00752 ContentInfo *ClientNetworkContentSocketHandler::GetContent(ContentID cid)
00753 {
00754 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
00755 ContentInfo *ci = *iter;
00756 if (ci->id == cid) return ci;
00757 }
00758 return NULL;
00759 }
00760
00761
00766 void ClientNetworkContentSocketHandler::Select(ContentID cid)
00767 {
00768 ContentInfo *ci = this->GetContent(cid);
00769 if (ci == NULL || ci->state != ContentInfo::UNSELECTED) return;
00770
00771 ci->state = ContentInfo::SELECTED;
00772 this->CheckDependencyState(ci);
00773 }
00774
00779 void ClientNetworkContentSocketHandler::Unselect(ContentID cid)
00780 {
00781 ContentInfo *ci = this->GetContent(cid);
00782 if (ci == NULL || !ci->IsSelected()) return;
00783
00784 ci->state = ContentInfo::UNSELECTED;
00785 this->CheckDependencyState(ci);
00786 }
00787
00789 void ClientNetworkContentSocketHandler::SelectAll()
00790 {
00791 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
00792 ContentInfo *ci = *iter;
00793 if (ci->state == ContentInfo::UNSELECTED) {
00794 ci->state = ContentInfo::SELECTED;
00795 this->CheckDependencyState(ci);
00796 }
00797 }
00798 }
00799
00801 void ClientNetworkContentSocketHandler::SelectUpgrade()
00802 {
00803 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
00804 ContentInfo *ci = *iter;
00805 if (ci->state == ContentInfo::UNSELECTED && ci->upgrade) {
00806 ci->state = ContentInfo::SELECTED;
00807 this->CheckDependencyState(ci);
00808 }
00809 }
00810 }
00811
00813 void ClientNetworkContentSocketHandler::UnselectAll()
00814 {
00815 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
00816 ContentInfo *ci = *iter;
00817 if (ci->IsSelected() && ci->state != ContentInfo::ALREADY_HERE) ci->state = ContentInfo::UNSELECTED;
00818 }
00819 }
00820
00822 void ClientNetworkContentSocketHandler::ToggleSelectedState(const ContentInfo *ci)
00823 {
00824 switch (ci->state) {
00825 case ContentInfo::SELECTED:
00826 case ContentInfo::AUTOSELECTED:
00827 this->Unselect(ci->id);
00828 break;
00829
00830 case ContentInfo::UNSELECTED:
00831 this->Select(ci->id);
00832 break;
00833
00834 default:
00835 break;
00836 }
00837 }
00838
00844 void ClientNetworkContentSocketHandler::ReverseLookupDependency(ConstContentVector &parents, const ContentInfo *child) const
00845 {
00846 for (ConstContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) {
00847 const ContentInfo *ci = *iter;
00848 if (ci == child) continue;
00849
00850 for (uint i = 0; i < ci->dependency_count; i++) {
00851 if (ci->dependencies[i] == child->id) {
00852 *parents.Append() = ci;
00853 break;
00854 }
00855 }
00856 }
00857 }
00858
00864 void ClientNetworkContentSocketHandler::ReverseLookupTreeDependency(ConstContentVector &tree, const ContentInfo *child) const
00865 {
00866 *tree.Append() = child;
00867
00868
00869 for (ConstContentIterator iter = tree.Begin(); iter != tree.End(); iter++) {
00870 ConstContentVector parents;
00871 this->ReverseLookupDependency(parents, *iter);
00872
00873 for (ConstContentIterator piter = parents.Begin(); piter != parents.End(); piter++) {
00874 tree.Include(*piter);
00875 }
00876 }
00877 }
00878
00883 void ClientNetworkContentSocketHandler::CheckDependencyState(ContentInfo *ci)
00884 {
00885 if (ci->IsSelected() || ci->state == ContentInfo::ALREADY_HERE) {
00886
00887
00888
00889 for (uint i = 0; i < ci->dependency_count; i++) {
00890 ContentInfo *c = this->GetContent(ci->dependencies[i]);
00891 if (c == NULL) {
00892 this->DownloadContentInfo(ci->dependencies[i]);
00893 } else if (c->state == ContentInfo::UNSELECTED) {
00894 c->state = ContentInfo::AUTOSELECTED;
00895 this->CheckDependencyState(c);
00896 }
00897 }
00898 return;
00899 }
00900
00901 if (ci->state != ContentInfo::UNSELECTED) return;
00902
00903
00904
00905
00906
00907 ConstContentVector parents;
00908 this->ReverseLookupDependency(parents, ci);
00909 for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
00910 const ContentInfo *c = *iter;
00911 if (!c->IsSelected()) continue;
00912
00913 this->Unselect(c->id);
00914 }
00915
00916 for (uint i = 0; i < ci->dependency_count; i++) {
00917 const ContentInfo *c = this->GetContent(ci->dependencies[i]);
00918 if (c == NULL) {
00919 DownloadContentInfo(ci->dependencies[i]);
00920 continue;
00921 }
00922 if (c->state != ContentInfo::AUTOSELECTED) continue;
00923
00924
00925 parents.Clear();
00926 this->ReverseLookupDependency(parents, c);
00927
00928
00929 int sel_count = 0;
00930 bool force_selection = false;
00931 for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
00932 if ((*iter)->IsSelected()) sel_count++;
00933 if ((*iter)->state == ContentInfo::SELECTED) force_selection = true;
00934 }
00935 if (sel_count == 0) {
00936
00937 this->Unselect(c->id);
00938 continue;
00939 }
00940
00941 if (force_selection) continue;
00942
00943
00944 parents.Clear();
00945 this->ReverseLookupTreeDependency(parents, c);
00946
00947
00948 for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
00949 if ((*iter)->state != ContentInfo::SELECTED) continue;
00950
00951 force_selection = true;
00952 break;
00953 }
00954
00955
00956 if (force_selection) continue;
00957
00958
00959
00960
00961
00962 for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
00963 const ContentInfo *c = *iter;
00964 if (c->state == ContentInfo::AUTOSELECTED) this->Unselect(c->id);
00965 }
00966 for (ConstContentIterator iter = parents.Begin(); iter != parents.End(); iter++) {
00967 this->CheckDependencyState(this->GetContent((*iter)->id));
00968 }
00969 }
00970 }
00971
00972 void ClientNetworkContentSocketHandler::Clear()
00973 {
00974 for (ContentIterator iter = this->infos.Begin(); iter != this->infos.End(); iter++) delete *iter;
00975
00976 this->infos.Clear();
00977 this->requested.Clear();
00978 }
00979
00980
00981
00982 void ClientNetworkContentSocketHandler::OnConnect(bool success)
00983 {
00984 for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); ) {
00985 ContentCallback *cb = *iter;
00986 cb->OnConnect(success);
00987 if (iter != this->callbacks.End() && *iter == cb) iter++;
00988 }
00989 }
00990
00991 void ClientNetworkContentSocketHandler::OnDisconnect()
00992 {
00993 for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); ) {
00994 ContentCallback *cb = *iter;
00995 cb->OnDisconnect();
00996 if (iter != this->callbacks.End() && *iter == cb) iter++;
00997 }
00998 }
00999
01000 void ClientNetworkContentSocketHandler::OnReceiveContentInfo(const ContentInfo *ci)
01001 {
01002 for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); ) {
01003 ContentCallback *cb = *iter;
01004 cb->OnReceiveContentInfo(ci);
01005 if (iter != this->callbacks.End() && *iter == cb) iter++;
01006 }
01007 }
01008
01009 void ClientNetworkContentSocketHandler::OnDownloadProgress(const ContentInfo *ci, uint bytes)
01010 {
01011 for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); ) {
01012 ContentCallback *cb = *iter;
01013 cb->OnDownloadProgress(ci, bytes);
01014 if (iter != this->callbacks.End() && *iter == cb) iter++;
01015 }
01016 }
01017
01018 void ClientNetworkContentSocketHandler::OnDownloadComplete(ContentID cid)
01019 {
01020 ContentInfo *ci = this->GetContent(cid);
01021 if (ci != NULL) {
01022 ci->state = ContentInfo::ALREADY_HERE;
01023 }
01024
01025 for (ContentCallback **iter = this->callbacks.Begin(); iter != this->callbacks.End(); ) {
01026 ContentCallback *cb = *iter;
01027 cb->OnDownloadComplete(cid);
01028 if (iter != this->callbacks.End() && *iter == cb) iter++;
01029 }
01030 }
01031
01032 #endif