Database*: move to db/
This commit is contained in:
Max Kellermann
273
src/db/plugins/upnp/ContentDirectoryService.cxx
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273
src/db/plugins/upnp/ContentDirectoryService.cxx
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/*
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* Copyright (C) 2003-2014 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "ContentDirectoryService.hxx"
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#include "Domain.hxx"
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#include "Device.hxx"
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#include "ixmlwrap.hxx"
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#include "Directory.hxx"
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#include "Util.hxx"
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#include "Action.hxx"
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#include "util/NumberParser.hxx"
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#include "util/Error.hxx"
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#include <string.h>
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#include <stdio.h>
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ContentDirectoryService::ContentDirectoryService(const UPnPDevice &device,
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const UPnPService &service)
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:m_actionURL(caturl(device.URLBase, service.controlURL)),
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m_serviceType(service.serviceType),
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m_deviceId(device.UDN),
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m_friendlyName(device.friendlyName),
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m_manufacturer(device.manufacturer),
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m_modelName(device.modelName),
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m_rdreqcnt(200)
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{
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if (!m_modelName.compare("MediaTomb")) {
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// Readdir by 200 entries is good for most, but MediaTomb likes
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// them really big. Actually 1000 is better but I don't dare
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m_rdreqcnt = 500;
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}
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}
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ContentDirectoryService::~ContentDirectoryService()
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{
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/* this destructor exists here just so it won't get inlined */
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}
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static bool
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ReadResultTag(UPnPDirContent &dirbuf, IXML_Document *response, Error &error)
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{
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const char *p = ixmlwrap::getFirstElementValue(response, "Result");
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if (p == nullptr)
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p = "";
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return dirbuf.parse(p, error);
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}
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inline bool
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ContentDirectoryService::readDirSlice(UpnpClient_Handle hdl,
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const char *objectId, unsigned offset,
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unsigned count, UPnPDirContent &dirbuf,
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unsigned &didreadp, unsigned &totalp,
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Error &error) const
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{
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// Create request
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char ofbuf[100], cntbuf[100];
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sprintf(ofbuf, "%u", offset);
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sprintf(cntbuf, "%u", count);
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// Some devices require an empty SortCriteria, else bad params
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IXML_Document *request =
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MakeActionHelper("Browse", m_serviceType.c_str(),
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"ObjectID", objectId,
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"BrowseFlag", "BrowseDirectChildren",
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"Filter", "*",
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"SortCriteria", "",
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"StartingIndex", ofbuf,
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"RequestedCount", cntbuf);
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if (request == nullptr) {
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error.Set(upnp_domain, "UpnpMakeAction() failed");
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return false;
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}
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IXML_Document *response;
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int code = UpnpSendAction(hdl, m_actionURL.c_str(), m_serviceType.c_str(),
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0 /*devUDN*/, request, &response);
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ixmlDocument_free(request);
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if (code != UPNP_E_SUCCESS) {
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error.Format(upnp_domain, code,
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"UpnpSendAction() failed: %s",
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UpnpGetErrorMessage(code));
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return false;
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}
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const char *value = ixmlwrap::getFirstElementValue(response, "NumberReturned");
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didreadp = value != nullptr
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? ParseUnsigned(value)
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: 0;
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value = ixmlwrap::getFirstElementValue(response, "TotalMatches");
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if (value != nullptr)
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totalp = ParseUnsigned(value);
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bool success = ReadResultTag(dirbuf, response, error);
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ixmlDocument_free(response);
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return success;
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}
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bool
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ContentDirectoryService::readDir(UpnpClient_Handle handle,
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const char *objectId,
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UPnPDirContent &dirbuf,
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Error &error) const
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{
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unsigned offset = 0, total = -1, count;
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do {
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if (!readDirSlice(handle, objectId, offset, m_rdreqcnt, dirbuf,
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count, total, error))
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return false;
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offset += count;
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} while (count > 0 && offset < total);
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return true;
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}
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bool
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ContentDirectoryService::search(UpnpClient_Handle hdl,
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const char *objectId,
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const char *ss,
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UPnPDirContent &dirbuf,
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Error &error) const
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{
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unsigned offset = 0, total = -1, count;
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do {
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char ofbuf[100];
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sprintf(ofbuf, "%d", offset);
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IXML_Document *request =
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MakeActionHelper("Search", m_serviceType.c_str(),
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"ContainerID", objectId,
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"SearchCriteria", ss,
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"Filter", "*",
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"SortCriteria", "",
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"StartingIndex", ofbuf,
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"RequestedCount", "0"); // Setting a value here gets twonky into fits
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if (request == 0) {
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error.Set(upnp_domain, "UpnpMakeAction() failed");
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return false;
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}
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IXML_Document *response;
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auto code = UpnpSendAction(hdl, m_actionURL.c_str(),
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m_serviceType.c_str(),
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0 /*devUDN*/, request, &response);
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ixmlDocument_free(request);
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if (code != UPNP_E_SUCCESS) {
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error.Format(upnp_domain, code,
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"UpnpSendAction() failed: %s",
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UpnpGetErrorMessage(code));
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return false;
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}
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const char *value =
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ixmlwrap::getFirstElementValue(response, "NumberReturned");
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count = value != nullptr
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? ParseUnsigned(value)
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: 0;
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offset += count;
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value = ixmlwrap::getFirstElementValue(response, "TotalMatches");
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if (value != nullptr)
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total = ParseUnsigned(value);
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bool success = ReadResultTag(dirbuf, response, error);
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ixmlDocument_free(response);
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if (!success)
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return false;
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} while (count > 0 && offset < total);
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return true;
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}
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bool
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ContentDirectoryService::getSearchCapabilities(UpnpClient_Handle hdl,
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std::list<std::string> &result,
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Error &error) const
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{
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assert(result.empty());
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IXML_Document *request =
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UpnpMakeAction("GetSearchCapabilities", m_serviceType.c_str(),
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0,
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nullptr, nullptr);
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if (request == 0) {
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error.Set(upnp_domain, "UpnpMakeAction() failed");
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return false;
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}
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IXML_Document *response;
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auto code = UpnpSendAction(hdl, m_actionURL.c_str(),
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m_serviceType.c_str(),
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0 /*devUDN*/, request, &response);
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ixmlDocument_free(request);
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if (code != UPNP_E_SUCCESS) {
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error.Format(upnp_domain, code,
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"UpnpSendAction() failed: %s",
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UpnpGetErrorMessage(code));
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return false;
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}
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const char *s = ixmlwrap::getFirstElementValue(response, "SearchCaps");
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if (s == nullptr || *s == 0) {
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ixmlDocument_free(response);
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return true;
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}
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bool success = true;
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if (!csvToStrings(s, result)) {
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error.Set(upnp_domain, "Bad response");
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success = false;
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}
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ixmlDocument_free(response);
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return success;
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}
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bool
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ContentDirectoryService::getMetadata(UpnpClient_Handle hdl,
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const char *objectId,
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UPnPDirContent &dirbuf,
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Error &error) const
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{
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// Create request
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IXML_Document *request =
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MakeActionHelper("Browse", m_serviceType.c_str(),
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"ObjectID", objectId,
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"BrowseFlag", "BrowseMetadata",
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"Filter", "*",
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"SortCriteria", "",
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"StartingIndex", "0",
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"RequestedCount", "1");
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if (request == nullptr) {
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error.Set(upnp_domain, "UpnpMakeAction() failed");
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return false;
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}
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IXML_Document *response;
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auto code = UpnpSendAction(hdl, m_actionURL.c_str(),
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m_serviceType.c_str(),
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0 /*devUDN*/, request, &response);
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ixmlDocument_free(request);
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if (code != UPNP_E_SUCCESS) {
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error.Format(upnp_domain, code,
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"UpnpSendAction() failed: %s",
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UpnpGetErrorMessage(code));
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return false;
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}
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bool success = ReadResultTag(dirbuf, response, error);
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ixmlDocument_free(response);
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return success;
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}
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