diff options
Diffstat (limited to 'kamera/kioslave/kamera.cpp')
| -rw-r--r-- | kamera/kioslave/kamera.cpp | 1066 |
1 files changed, 1066 insertions, 0 deletions
diff --git a/kamera/kioslave/kamera.cpp b/kamera/kioslave/kamera.cpp new file mode 100644 index 00000000..ab4eb469 --- /dev/null +++ b/kamera/kioslave/kamera.cpp @@ -0,0 +1,1066 @@ +/* + + Copyright (C) 2001 The Kompany + 2001-2003 Ilya Konstantinov <kde-devel@future.shiny.co.il> + 2001-2007 Marcus Meissner <marcus@jet.franken.de> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + +*/ + +#include <stdlib.h> +#include <unistd.h> +#include <stdio.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <signal.h> +#include <errno.h> + +#include <qfile.h> +#include <qtextstream.h> + +#include <kdebug.h> +#include <kinstance.h> +#include <kstandarddirs.h> +#include <kconfig.h> +#include <ksimpleconfig.h> +#include <klocale.h> +#include <kprotocolinfo.h> +#include <kio/slaveconfig.h> + +#include <config.h> + +#include "kamera.h" + +#define MAXIDLETIME 30 /* seconds */ + +#define tocstr(x) ((x).local8Bit()) + +using namespace KIO; + +extern "C" +{ + KDE_EXPORT int kdemain(int argc, char **argv); + + static void frontendCameraStatus(GPContext *context, const char *format, va_list args, void *data); + static unsigned int frontendProgressStart( + GPContext *context, float totalsize, const char *format, + va_list args, void *data + ); + static void frontendProgressUpdate( + GPContext *context, unsigned int id, float current, void *data + ); +} + +int kdemain(int argc, char **argv) +{ + KInstance instance("kio_kamera"); + + if(argc != 4) { + kdDebug(7123) << "Usage: kio_kamera protocol " + "domain-socket1 domain-socket2" << endl; + exit(-1); + } + KameraProtocol slave(argv[2], argv[3]); + slave.dispatchLoop(); + return 0; +} + +KameraProtocol::KameraProtocol(const QCString &pool, const QCString &app) +: SlaveBase("camera", pool, app), +m_camera(NULL) +{ + // attempt to initialize libgphoto2 and chosen camera (requires locking) + // (will init m_camera, since the m_camera's configuration is empty) + m_camera = 0; + m_file = NULL; + m_config = new KSimpleConfig(KProtocolInfo::config("camera")); + m_context = gp_context_new(); + actiondone = true; + cameraopen = false; + m_lockfile = locateLocal("tmp", "kamera"); + idletime = 0; +} + +// This handler is getting called every second. We use it to do the +// delayed close of the camera. +// Logic is: +// - No more requests in the queue (signaled by actiondone) AND +// - We are MAXIDLETIME seconds idle OR +// - Another slave wants to have access to the camera. +// +// The existance of a lockfile is used to signify "please give up camera". +// +void KameraProtocol::special(const QByteArray&) { + kdDebug(7123) << "KameraProtocol::special() at " << getpid() << endl; + + if (!actiondone && cameraopen) { + struct stat stbuf; + if ((-1!=::stat(m_lockfile.utf8(),&stbuf)) || (idletime++ >= MAXIDLETIME)) { + kdDebug(7123) << "KameraProtocol::special() closing camera." << endl; + closeCamera(); + setTimeoutSpecialCommand(-1); + } else { + // continue to wait + setTimeoutSpecialCommand(1); + } + } else { + // We let it run until the slave gets no actions anymore. + setTimeoutSpecialCommand(1); + } + actiondone = false; +} + +KameraProtocol::~KameraProtocol() +{ + kdDebug(7123) << "KameraProtocol::~KameraProtocol()" << endl; + delete m_config; + if(m_camera) { + closeCamera(); + gp_camera_free(m_camera); + m_camera = NULL; + } +} + +// initializes the camera for usage - should be done before operations over the wire +bool KameraProtocol::openCamera(QString &str) { + idletime = 0; + actiondone = true; + if (!m_camera) { + reparseConfiguration(); + } else { + if (!cameraopen) { + int ret, tries = 15; + kdDebug(7123) << "KameraProtocol::openCamera at " << getpid() << endl; + while (tries--) { + ret = gp_camera_init(m_camera, m_context); + if ( (ret == GP_ERROR_IO_USB_CLAIM) || + (ret == GP_ERROR_IO_LOCK)) { + // just create / touch if not there + int fd = ::open(m_lockfile.utf8(),O_CREAT|O_WRONLY,0600); + if (fd != -1) ::close(fd); + ::sleep(1); + kdDebug(7123) << "openCamera at " << getpid() << "- busy, ret " << ret << ", trying again." << endl; + continue; + } + if (ret == GP_OK) break; + str = gp_result_as_string(ret); + return false; + } + ::unlink(m_lockfile.utf8()); + setTimeoutSpecialCommand(1); + kdDebug(7123) << "openCamera succeeded at " << getpid() << endl; + cameraopen = true; + } + } + return true; +} + +// should be done after operations over the wire +void KameraProtocol::closeCamera(void) +{ + int gpr; + + if (!m_camera) + return; + + kdDebug(7123) << "KameraProtocol::closeCamera at " << getpid() << endl; + if ((gpr=gp_camera_exit(m_camera,m_context))!=GP_OK) { + kdDebug(7123) << "closeCamera failed with " << gp_result_as_string(gpr) << endl; + } + // HACK: gp_camera_exit() in gp 2.0 does not close the port if there + // is no camera_exit function. + gp_port_close(m_camera->port); + cameraopen = false; + return; +} + +static QString fix_foldername(QString ofolder) { + QString folder = ofolder; + if (folder.length() > 1) { + while ((folder.length()>1) && (folder.right(1) == "/")) + folder = folder.left(folder.length()-1); + } + if (folder.length() == 0) + folder = "/"; + return folder; +} + +// The KIO slave "get" function (starts a download from the camera) +// The actual returning of the data is done in the frontend callback functions. +void KameraProtocol::get(const KURL &url) +{ + kdDebug(7123) << "KameraProtocol::get(" << url.path() << ")" << endl; + + CameraFileType fileType; + int gpr; + if (url.host().isEmpty()) { + error(KIO::ERR_DOES_NOT_EXIST, url.path()); + return; + } + + if(!openCamera()) { + error(KIO::ERR_DOES_NOT_EXIST, url.path()); + return; + } + + // fprintf(stderr,"get(%s)\n",url.path().latin1()); + +#define GPHOTO_TEXT_FILE(xx) \ + if (!url.path().compare("/" #xx ".txt")) { \ + CameraText xx; \ + gpr = gp_camera_get_##xx(m_camera, &xx, m_context); \ + if (gpr != GP_OK) { \ + error(KIO::ERR_DOES_NOT_EXIST, url.path()); \ + return; \ + } \ + QByteArray chunkDataBuffer; \ + chunkDataBuffer.setRawData(xx.text, strlen(xx.text)); \ + data(chunkDataBuffer); \ + processedSize(strlen(xx.text)); \ + chunkDataBuffer.resetRawData(xx.text, strlen(xx.text)); \ + finished(); \ + return; \ + } + + GPHOTO_TEXT_FILE(about); + GPHOTO_TEXT_FILE(manual); + GPHOTO_TEXT_FILE(summary); + +#undef GPHOTO_TEXT_FILE + // emit info message + infoMessage( i18n("Retrieving data from camera <b>%1</b>").arg(url.user()) ); + + // Note: There's no need to re-read directory for each get() anymore + gp_file_new(&m_file); + + // emit the total size (we must do it before sending data to allow preview) + CameraFileInfo info; + + gpr = gp_camera_file_get_info(m_camera, tocstr(fix_foldername(url.directory(false))), tocstr(url.fileName()), &info, m_context); + if (gpr != GP_OK) { + // fprintf(stderr,"Folder %s / File %s not found, gpr is %d\n",folder.latin1(), url.fileName().latin1(), gpr); + gp_file_unref(m_file); + if ((gpr == GP_ERROR_FILE_NOT_FOUND) || (gpr == GP_ERROR_DIRECTORY_NOT_FOUND)) + error(KIO::ERR_DOES_NOT_EXIST, url.path()); + else + error(KIO::ERR_UNKNOWN, gp_result_as_string(gpr)); + return; + } + + // at last, a proper API to determine whether a thumbnail was requested. + if(cameraSupportsPreview() && metaData("thumbnail") == "1") { + kdDebug(7123) << "get() retrieving the thumbnail" << endl; + fileType = GP_FILE_TYPE_PREVIEW; + if (info.preview.fields & GP_FILE_INFO_SIZE) + totalSize(info.preview.size); + if (info.preview.fields & GP_FILE_INFO_TYPE) + mimeType(info.preview.type); + } else { + kdDebug(7123) << "get() retrieving the full-scale photo" << endl; + fileType = GP_FILE_TYPE_NORMAL; + if (info.file.fields & GP_FILE_INFO_SIZE) + totalSize(info.file.size); + if (info.preview.fields & GP_FILE_INFO_TYPE) + mimeType(info.file.type); + } + + // fetch the data + m_fileSize = 0; + gpr = gp_camera_file_get(m_camera, tocstr(fix_foldername(url.directory(false))), tocstr(url.fileName()), fileType, m_file, m_context); + if ( (gpr == GP_ERROR_NOT_SUPPORTED) && + (fileType == GP_FILE_TYPE_PREVIEW) + ) { + // If we get here, the file info command information + // will either not be used, or still valid. + fileType = GP_FILE_TYPE_NORMAL; + gpr = gp_camera_file_get(m_camera, tocstr(fix_foldername(url.directory(false))), tocstr(url.fileName()), fileType, m_file, m_context); + } + switch(gpr) { + case GP_OK: + break; + case GP_ERROR_FILE_NOT_FOUND: + case GP_ERROR_DIRECTORY_NOT_FOUND: + gp_file_unref(m_file); + m_file = NULL; + error(KIO::ERR_DOES_NOT_EXIST, url.fileName()); + return ; + default: + gp_file_unref(m_file); + m_file = NULL; + error(KIO::ERR_UNKNOWN, gp_result_as_string(gpr)); + return; + } + // emit the mimetype + // NOTE: we must first get the file, so that CameraFile->name would be set + const char *fileMimeType; + gp_file_get_mime_type(m_file, &fileMimeType); + mimeType(fileMimeType); + + // We need to pass left over data here. Some camera drivers do not + // implement progress callbacks! + const char *fileData; + long unsigned int fileSize; + // This merely returns us a pointer to gphoto's internal data + // buffer -- there's no expensive memcpy + gpr = gp_file_get_data_and_size(m_file, &fileData, &fileSize); + if (gpr != GP_OK) { + kdDebug(7123) << "get():: get_data_and_size failed." << endl; + gp_file_free(m_file); + m_file = NULL; + error(KIO::ERR_UNKNOWN, gp_result_as_string(gpr)); + return; + } + // make sure we're not sending zero-sized chunks (=EOF) + // also make sure we send only if the progress did not send the data + // already. + if ((fileSize > 0) && (fileSize - m_fileSize)>0) { + unsigned long written = 0; + QByteArray chunkDataBuffer; + + // We need to split it up here. Someone considered it funny + // to discard any data() larger than 16MB. + // + // So nearly any Movie will just fail.... + while (written < fileSize-m_fileSize) { + unsigned long towrite = 1024*1024; // 1MB + + if (towrite > fileSize-m_fileSize-written) + towrite = fileSize-m_fileSize-written; + chunkDataBuffer.setRawData(fileData + m_fileSize + written, towrite); + processedSize(m_fileSize + written + towrite); + data(chunkDataBuffer); + chunkDataBuffer.resetRawData(fileData + m_fileSize + written, towrite); + written += towrite; + } + m_fileSize = fileSize; + setFileSize(fileSize); + } + + finished(); + gp_file_unref(m_file); /* just unref, might be stored in fs */ + m_file = NULL; +} + +// The KIO slave "stat" function. +void KameraProtocol::stat(const KURL &url) +{ + kdDebug(7123) << "stat(\"" << url.path() << "\")" << endl; + + if (url.path() == "") { + KURL rooturl(url); + + kdDebug(7123) << "redirecting to /" << endl; + rooturl.setPath("/"); + rooturl.setHost(url.host()); + rooturl.setUser(url.user()); + redirection(rooturl); + finished(); + return; + } + + if(url.path() == "/") + statRoot(); + else + statRegular(url); +} + +// Implements stat("/") -- which always returns the same value. +void KameraProtocol::statRoot(void) +{ + UDSEntry entry; + UDSAtom atom; + + atom.m_uds = UDS_NAME; + atom.m_str = "/"; + entry.append(atom); + + atom.m_uds = UDS_FILE_TYPE; + atom.m_long = S_IFDIR; + entry.append(atom); + + atom.m_uds = UDS_ACCESS; + atom.m_long = S_IRUSR | S_IRGRP | S_IROTH | + S_IWUSR | S_IWGRP | S_IWOTH; + entry.append(atom); + + statEntry(entry); + + finished(); + + // This call happens on autodetect by kdemm. So close the camera, but + // only if no more requests are pending. + idletime = MAXIDLETIME; +} + +// Implements a regular stat() of a file / directory, returning all we know about it +void KameraProtocol::statRegular(const KURL &url) +{ + UDSEntry entry; + int gpr; + + kdDebug(7123) << "statRegular(\"" << url.path() << "\")" << endl; + if (openCamera() == false) { + error(KIO::ERR_DOES_NOT_EXIST, url.path()); + return; + } + + // fprintf(stderr,"statRegular(%s)\n",url.path().latin1()); + + // Is "url" a directory? + CameraList *dirList; + gp_list_new(&dirList); + kdDebug(7123) << "statRegular() Requesting directories list for " << url.directory() << endl; + + gpr = gp_camera_folder_list_folders(m_camera, tocstr(fix_foldername(url.directory(false))), dirList, m_context); + if (gpr != GP_OK) { + if ((gpr == GP_ERROR_FILE_NOT_FOUND) || (gpr == GP_ERROR_DIRECTORY_NOT_FOUND)) + error(KIO::ERR_DOES_NOT_EXIST, url.path()); + else + error(KIO::ERR_UNKNOWN, gp_result_as_string(gpr)); + gp_list_free(dirList); + return; + } + +#define GPHOTO_TEXT_FILE(xx) \ + if (!url.path().compare("/"#xx".txt")) { \ + CameraText xx; \ + gpr = gp_camera_get_about(m_camera, &xx, m_context); \ + if (gpr != GP_OK) { \ + error(KIO::ERR_DOES_NOT_EXIST, url.fileName()); \ + return; \ + } \ + translateTextToUDS(entry,#xx".txt",xx.text); \ + statEntry(entry); \ + finished(); \ + return; \ + } + GPHOTO_TEXT_FILE(about); + GPHOTO_TEXT_FILE(manual); + GPHOTO_TEXT_FILE(summary); +#undef GPHOTO_TEXT_FILE + + const char *name; + for(int i = 0; i < gp_list_count(dirList); i++) { + gp_list_get_name(dirList, i, &name); + if (url.fileName().compare(name) == 0) { + gp_list_free(dirList); + UDSEntry entry; + translateDirectoryToUDS(entry, url.fileName()); + statEntry(entry); + finished(); + return; + } + } + gp_list_free(dirList); + + // Is "url" a file? + CameraFileInfo info; + gpr = gp_camera_file_get_info(m_camera, tocstr(fix_foldername(url.directory(false))), tocstr(url.fileName()), &info, m_context); + if (gpr != GP_OK) { + if ((gpr == GP_ERROR_FILE_NOT_FOUND) || (gpr == GP_ERROR_DIRECTORY_NOT_FOUND)) + error(KIO::ERR_DOES_NOT_EXIST, url.path()); + else + error(KIO::ERR_UNKNOWN, gp_result_as_string(gpr)); + return; + } + translateFileToUDS(entry, info, url.fileName()); + statEntry(entry); + finished(); +} + +// The KIO slave "del" function. +void KameraProtocol::del(const KURL &url, bool isFile) +{ + kdDebug(7123) << "KameraProtocol::del(" << url.path() << ")" << endl; + + if(!openCamera()) { + error(KIO::ERR_CANNOT_DELETE, url.fileName()); + return; + } + if (!cameraSupportsDel()) { + error(KIO::ERR_CANNOT_DELETE, url.fileName()); + return; + } + if(isFile){ + CameraList *list; + gp_list_new(&list); + int ret; + + ret = gp_camera_file_delete(m_camera, tocstr(fix_foldername(url.directory(false))), tocstr(url.fileName()), m_context); + + if(ret != GP_OK) { + error(KIO::ERR_CANNOT_DELETE, url.fileName()); + } else { + finished(); + } + } +} + +// The KIO slave "listDir" function. +void KameraProtocol::listDir(const KURL &url) +{ + kdDebug(7123) << "KameraProtocol::listDir(" << url.path() << ")" << endl; + + if (url.host().isEmpty()) { + KURL xurl; + // List the available cameras + QStringList groupList = m_config->groupList(); + kdDebug(7123) << "Found cameras: " << groupList.join(", ") << endl; + QStringList::Iterator it; + UDSEntry entry; + UDSAtom atom; + + + /* + * What we do: + * - Autodetect cameras and remember them with their ports. + * - List all saved and possible offline cameras. + * - List all autodetected and not yet printed cameras. + */ + QMap<QString,QString> ports, names; + QMap<QString,int> modelcnt; + + /* Autodetect USB cameras ... */ + GPContext *glob_context = NULL; + int i, count; + CameraList *list; + CameraAbilitiesList *al; + GPPortInfoList *il; + + gp_list_new (&list); + gp_abilities_list_new (&al); + gp_abilities_list_load (al, glob_context); + gp_port_info_list_new (&il); + gp_port_info_list_load (il); + gp_abilities_list_detect (al, il, list, glob_context); + gp_abilities_list_free (al); + gp_port_info_list_free (il); + + count = gp_list_count (list); + + for (i = 0 ; i<count ; i++) { + const char *model, *value; + + gp_list_get_name (list, i, &model); + gp_list_get_value (list, i, &value); + + ports[value] = model; + // NOTE: We might get different ports than usb: later! + if (strcmp(value, "usb:")) + names[model] = value; + + /* Save them, even though we can autodetect them for + * offline listing. + */ + m_config->setGroup(model); + m_config->writeEntry("Model",model); + m_config->writeEntry("Path",value); + modelcnt[model]++; + } + gp_list_free (list); + + /* Avoid duplicated entry for usb: and usb:001,042 entries. */ + if (ports.contains("usb:") && names[ports["usb:"]]!="usb:") + ports.remove("usb:"); + + for (it = groupList.begin(); it != groupList.end(); it++) { + QString m_cfgPath; + if (*it == "<default>") + continue; + + m_config->setGroup(*it); + m_cfgPath = m_config->readEntry("Path"); + + /* If autodetect by USB autodetect ... skip it here. + * We leave unattached USB cameras in here, because the user + * might plug them in later and does not want to press reload. + * We add them with port "usb:". + */ + if (modelcnt[*it] > 0) + continue; + + entry.clear(); + atom.m_uds = UDS_FILE_TYPE;atom.m_long = S_IFDIR;entry.append(atom); + atom.m_uds = UDS_NAME;atom.m_str = *it;entry.append(atom); + atom.m_uds = UDS_ACCESS; + atom.m_long = S_IRUSR | S_IRGRP | S_IROTH | + S_IWUSR | S_IWGRP | S_IWOTH; + entry.append(atom); + + atom.m_uds = UDS_URL; + + xurl.setProtocol("camera"); + xurl.setUser(*it); + /* Avoid setting usb:xxx,yyy. */ + if (m_cfgPath.contains("usb:")>0) { + names[*it] = "usb:"; + xurl.setHost("usb:"); + } else { + xurl.setHost(m_cfgPath); + } + xurl.setPath("/"); + atom.m_str = xurl.url(); + entry.append(atom); + + listEntry(entry, false); + } + + QMap<QString,QString>::iterator portsit; + + for (portsit = ports.begin(); portsit != ports.end(); portsit++) { + entry.clear(); + atom.m_uds = UDS_FILE_TYPE;atom.m_long = S_IFDIR; entry.append(atom); + atom.m_uds = UDS_NAME;atom.m_str = portsit.data();entry.append(atom); + + atom.m_uds = UDS_ACCESS; + atom.m_long = S_IRUSR | S_IRGRP | S_IROTH | + S_IWUSR | S_IWGRP | S_IWOTH; + entry.append(atom); + + atom.m_uds = UDS_URL; + xurl.setProtocol("camera"); + xurl.setHost(portsit.key()); + xurl.setUser(portsit.data()); + xurl.setPath("/"); + atom.m_str = xurl.url(); + entry.append(atom); + + listEntry(entry, false); + } + listEntry(entry, true); + + finished(); + return; + } + + if (url.path() == "") { + KURL rooturl(url); + + kdDebug(7123) << "redirecting to /" << endl; + rooturl.setPath("/"); + rooturl.setHost(url.host()); + rooturl.setUser(url.user()); + redirection(rooturl); + finished(); + return; + } + + if (!openCamera()) { + error(KIO::ERR_COULD_NOT_READ,url.path()); + return; + } + + CameraList *dirList; + CameraList *fileList; + CameraList *specialList; + gp_list_new(&dirList); + gp_list_new(&fileList); + gp_list_new(&specialList); + int gpr; + + if (!url.path().compare("/")) { + CameraText text; + if (GP_OK == gp_camera_get_manual(m_camera, &text, m_context)) + gp_list_append(specialList,"manual.txt",NULL); + if (GP_OK == gp_camera_get_about(m_camera, &text, m_context)) + gp_list_append(specialList,"about.txt",NULL); + if (GP_OK == gp_camera_get_summary(m_camera, &text, m_context)) + gp_list_append(specialList,"summary.txt",NULL); + } + + gpr = readCameraFolder(url.path(), dirList, fileList); + if(gpr != GP_OK) { + kdDebug(7123) << "read Camera Folder failed:" << gp_result_as_string(gpr) <<endl; + gp_list_free(dirList); + gp_list_free(fileList); + gp_list_free(specialList); + error(KIO::ERR_COULD_NOT_READ, gp_result_as_string(gpr)); + return; + } + + totalSize(gp_list_count(specialList) + gp_list_count(dirList) + gp_list_count(fileList)); + + UDSEntry entry; + const char *name; + + for(int i = 0; i < gp_list_count(dirList); ++i) { + gp_list_get_name(dirList, i, &name); + translateDirectoryToUDS(entry, QString::fromLocal8Bit(name)); + listEntry(entry, false); + } + + CameraFileInfo info; + + for(int i = 0; i < gp_list_count(fileList); ++i) { + gp_list_get_name(fileList, i, &name); + // we want to know more info about files (size, type...) + gp_camera_file_get_info(m_camera, tocstr(url.path()), name, &info, m_context); + translateFileToUDS(entry, info, QString::fromLocal8Bit(name)); + listEntry(entry, false); + } + if (!url.path().compare("/")) { + CameraText text; + if (GP_OK == gp_camera_get_manual(m_camera, &text, m_context)) { + translateTextToUDS(entry, "manual.txt", text.text); + listEntry(entry, false); + } + if (GP_OK == gp_camera_get_about(m_camera, &text, m_context)) { + translateTextToUDS(entry, "about.txt", text.text); + listEntry(entry, false); + } + if (GP_OK == gp_camera_get_summary(m_camera, &text, m_context)) { + translateTextToUDS(entry, "summary.txt", text.text); + listEntry(entry, false); + } + } + + + gp_list_free(fileList); + gp_list_free(dirList); + gp_list_free(specialList); + + listEntry(entry, true); // 'entry' is not used in this case - we only signal list completion + finished(); +} + +void KameraProtocol::setHost(const QString& host, int port, const QString& user, const QString& pass ) +{ + kdDebug(7123) << "KameraProtocol::setHost(" << host << ", " << port << ", " << user << ", " << pass << ")" << endl; + int gpr, idx; + + if (!host.isEmpty()) { + kdDebug(7123) << "model is " << user << ", port is " << host << endl; + if (m_camera) { + kdDebug(7123) << "Configuration change detected" << endl; + closeCamera(); + gp_camera_unref(m_camera); + m_camera = NULL; + infoMessage( i18n("Reinitializing camera") ); + } else { + kdDebug(7123) << "Initializing camera" << endl; + infoMessage( i18n("Initializing camera") ); + } + // fetch abilities + CameraAbilitiesList *abilities_list; + gp_abilities_list_new(&abilities_list); + gp_abilities_list_load(abilities_list, m_context); + idx = gp_abilities_list_lookup_model(abilities_list, tocstr(user)); + if (idx < 0) { + gp_abilities_list_free(abilities_list); + kdDebug(7123) << "Unable to get abilities for model: " << user << endl; + error(KIO::ERR_UNKNOWN, gp_result_as_string(idx)); + return; + } + gp_abilities_list_get_abilities(abilities_list, idx, &m_abilities); + gp_abilities_list_free(abilities_list); + + // fetch port + GPPortInfoList *port_info_list; + GPPortInfo port_info; + gp_port_info_list_new(&port_info_list); + gp_port_info_list_load(port_info_list); + idx = gp_port_info_list_lookup_path(port_info_list, tocstr(host)); + + /* Handle erronously passed usb:XXX,YYY */ + if ((idx < 0) && host.startsWith("usb:")) + idx = gp_port_info_list_lookup_path(port_info_list, "usb:"); + if (idx < 0) { + gp_port_info_list_free(port_info_list); + kdDebug(7123) << "Unable to get port info for path: " << host << endl; + error(KIO::ERR_UNKNOWN, gp_result_as_string(idx)); + return; + } + gp_port_info_list_get_info(port_info_list, idx, &port_info); + gp_port_info_list_free(port_info_list); + + // create a new camera object + gpr = gp_camera_new(&m_camera); + if(gpr != GP_OK) { + error(KIO::ERR_UNKNOWN, gp_result_as_string(gpr)); + return; + } + + // register gphoto2 callback functions + gp_context_set_status_func(m_context, frontendCameraStatus, this); + gp_context_set_progress_funcs(m_context, frontendProgressStart, frontendProgressUpdate, NULL, this); + // gp_camera_set_message_func(m_camera, ..., this) + + // set model and port + gp_camera_set_abilities(m_camera, m_abilities); + gp_camera_set_port_info(m_camera, port_info); + gp_camera_set_port_speed(m_camera, 0); // TODO: the value needs to be configurable + kdDebug(7123) << "Opening camera model " << user << " at " << host << endl; + + QString errstr; + if (!openCamera(errstr)) { + kdDebug(7123) << "Unable to init camera: " << gp_result_as_string(gpr) << endl; + error(KIO::ERR_SERVICE_NOT_AVAILABLE, errstr); + gp_camera_exit(m_camera, m_context); + return; + } + } +} + +void KameraProtocol::reparseConfiguration(void) +{ + // we have no global config, do we? +} + +// translate a simple text to a UDS entry +void KameraProtocol::translateTextToUDS(UDSEntry &udsEntry, const QString &fn, + const char *text +) { + UDSAtom atom; + + udsEntry.clear(); + + atom.m_uds = UDS_FILE_TYPE; // UDS type + atom.m_long = S_IFREG; // file + udsEntry.append(atom); + + atom.m_uds = UDS_NAME; + atom.m_str = fn; + udsEntry.append(atom); + + atom.m_uds = UDS_SIZE; + atom.m_long = strlen(text); + udsEntry.append(atom); + + atom.m_uds = UDS_ACCESS; + atom.m_long = S_IRUSR | S_IRGRP | S_IROTH; + udsEntry.append(atom); +} + +// translate a CameraFileInfo to a UDSEntry which we can return as a directory listing entry +void KameraProtocol::translateFileToUDS(UDSEntry &udsEntry, const CameraFileInfo &info, QString name) +{ + UDSAtom atom; + + udsEntry.clear(); + + atom.m_uds = UDS_FILE_TYPE; // UDS type + atom.m_long = S_IFREG; // file + udsEntry.append(atom); + + atom.m_uds = UDS_NAME; + if (info.file.fields & GP_FILE_INFO_NAME) + atom.m_str = QString::fromLocal8Bit(info.file.name); + else + atom.m_str = name; + udsEntry.append(atom); + + if (info.file.fields & GP_FILE_INFO_SIZE) { + atom.m_uds = UDS_SIZE; + atom.m_long = info.file.size; + udsEntry.append(atom); + } + + if (info.file.fields & GP_FILE_INFO_MTIME) { + atom.m_uds = UDS_MODIFICATION_TIME; + atom.m_long = info.file.mtime; + udsEntry.append(atom); + } else { + atom.m_uds = UDS_MODIFICATION_TIME; + atom.m_long = time(NULL); /* NOW */ + udsEntry.append(atom); + } + + if (info.file.fields & GP_FILE_INFO_TYPE) { + atom.m_uds = UDS_MIME_TYPE; + atom.m_str = QString::fromLatin1(info.file.type); + udsEntry.append(atom); + } + + if (info.file.fields & GP_FILE_INFO_PERMISSIONS) { + atom.m_uds = UDS_ACCESS; + atom.m_long = 0; + atom.m_long |= (info.file.permissions & GP_FILE_PERM_READ) ? (S_IRUSR | S_IRGRP | S_IROTH) : 0; + // we cannot represent individual FP_FILE_PERM_DELETE permission in the Unix access scheme + // since the parent directory's write permission defines that + udsEntry.append(atom); + } else { + // basic permissions, in case the camera doesn't provide permissions info + atom.m_uds = UDS_ACCESS; + atom.m_long = S_IRUSR | S_IRGRP | S_IROTH; + udsEntry.append(atom); + } + + // TODO: We do not handle info.preview in any way +} + +// translate a directory name to a UDSEntry which we can return as a directory listing entry +void KameraProtocol::translateDirectoryToUDS(UDSEntry &udsEntry, const QString &dirname) +{ + UDSAtom atom; + + udsEntry.clear(); + + atom.m_uds = UDS_FILE_TYPE; // UDS type + atom.m_long = S_IFDIR; // directory + udsEntry.append(atom); + + atom.m_uds = UDS_NAME; + atom.m_str = dirname; + udsEntry.append(atom); + + atom.m_uds = UDS_ACCESS; + atom.m_long = S_IRUSR | S_IRGRP | S_IROTH | + S_IWUSR | S_IWGRP | S_IWOTH; + udsEntry.append(atom); + + atom.m_uds = UDS_MIME_TYPE; + atom.m_str = "inode/directory"; + udsEntry.append(atom); +} + +bool KameraProtocol::cameraSupportsDel(void) +{ + return (m_abilities.file_operations & GP_FILE_OPERATION_DELETE); +} + +bool KameraProtocol::cameraSupportsPut(void) +{ + return (m_abilities.folder_operations & GP_FOLDER_OPERATION_PUT_FILE); +} + +bool KameraProtocol::cameraSupportsPreview(void) +{ + return (m_abilities.file_operations & GP_FILE_OPERATION_PREVIEW); +} + +int KameraProtocol::readCameraFolder(const QString &folder, CameraList *dirList, CameraList *fileList) +{ + kdDebug(7123) << "KameraProtocol::readCameraFolder(" << folder << ")" << endl; + + int gpr; + if((gpr = gp_camera_folder_list_folders(m_camera, tocstr(folder), dirList, m_context)) != GP_OK) + return gpr; + if((gpr = gp_camera_folder_list_files(m_camera, tocstr(folder), fileList, m_context)) != GP_OK) + return gpr; + return GP_OK; +} + +void frontendProgressUpdate( + GPContext * /*context*/, unsigned int /*id*/, float /*current*/, void *data +) { + KameraProtocol *object = (KameraProtocol*)data; + + // This code will get the last chunk of data retrieved from the + // camera and pass it to KIO, to allow progressive display + // of the downloaded photo. + + const char *fileData = NULL; + long unsigned int fileSize = 0; + + // This merely returns us a pointer to gphoto's internal data + // buffer -- there's no expensive memcpy + if (!object->getFile()) + return; + gp_file_get_data_and_size(object->getFile(), &fileData, &fileSize); + // make sure we're not sending zero-sized chunks (=EOF) + if (fileSize > 0) { + // XXX using assign() here causes segfault, prolly because + // gp_file_free is called before chunkData goes out of scope + QByteArray chunkDataBuffer; + chunkDataBuffer.setRawData(fileData + object->getFileSize(), fileSize - object->getFileSize()); + // Note: this will fail with sizes > 16MB ... + object->data(chunkDataBuffer); + object->processedSize(fileSize); + chunkDataBuffer.resetRawData(fileData + object->getFileSize(), fileSize - object->getFileSize()); + object->setFileSize(fileSize); + } +} + +unsigned int frontendProgressStart( + GPContext * /*context*/, float totalsize, const char *format, va_list args, + void *data +) { + KameraProtocol *object = (KameraProtocol*)data; + char *status; + + /* We must copy the va_list to walk it twice, or all hell + * breaks loose on non-i386 platforms. + */ +#if defined(HAVE_VA_COPY) || defined(HAVE___VA_COPY) + va_list xvalist; +# ifdef HAVE_VA_COPY + va_copy(xvalist, args); +# elif HAVE___VA_COPY + __va_copy(xvalist, args); +# endif + int size=vsnprintf(NULL, 0, format, xvalist); + if(size<=0) + return GP_OK; // vsnprintf is broken, better don't do anything. + + status=new char[size+1]; +# ifdef HAVE_VA_COPY + va_copy(xvalist, args); +# elif HAVE___VA_COPY + __va_copy(xvalist, args); +# endif + vsnprintf(status, size+1, format, xvalist); +#else + /* We cannot copy the va_list, so make sure we + * walk it just _once_. + */ + status=new char[300]; + vsnprintf(status, 300, format, args); +#endif + + object->infoMessage(QString::fromLocal8Bit(status)); + delete [] status; + object->totalSize((int)totalsize); // hack: call slot directly + return GP_OK; +} + +// this callback function is activated on every status message from gphoto2 +static void frontendCameraStatus(GPContext * /*context*/, const char *format, va_list args, void *data) +{ + KameraProtocol *object = (KameraProtocol*)data; + char *status; + + /* We must copy the va_list to walk it twice, or all hell + * breaks loose on non-i386 platforms. + */ +#if defined(HAVE_VA_COPY) || defined(HAVE___VA_COPY) + va_list xvalist; +# ifdef HAVE_VA_COPY + va_copy(xvalist, args); +# elif HAVE___VA_COPY + __va_copy(xvalist, args); +# endif + int size=vsnprintf(NULL, 0, format, xvalist); + if(size<=0) + return; // vsnprintf is broken, better don't do anything. + + status=new char[size+1]; +# ifdef HAVE_VA_COPY + va_copy(xvalist, args); +# elif HAVE___VA_COPY + __va_copy(xvalist, args); +# endif + vsnprintf(status, size+1, format, xvalist); +#else + /* We cannot copy the va_list, so make sure we + * walk it just _once_. + */ + status=new char[300]; + vsnprintf(status, 300, format, args); +#endif + object->infoMessage(QString::fromLocal8Bit(status)); + delete [] status; +} |