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Diffstat (limited to '')
| -rw-r--r-- | src/db/upnp/Device.cxx | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/db/upnp/Device.cxx b/src/db/upnp/Device.cxx new file mode 100644 index 000000000..c1cfab07a --- /dev/null +++ b/src/db/upnp/Device.cxx @@ -0,0 +1,140 @@ +/* + * Copyright (C) 2003-2014 The Music Player Daemon Project + * http://www.musicpd.org + * + * 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 "config.h" +#include "Device.hxx" +#include "Util.hxx" +#include "Expat.hxx" +#include "Log.hxx" +#include "util/Error.hxx" + +#include <stdlib.h> + +#include <string.h> + +/** + * An XML parser which constructs an UPnP device object from the + * device descriptor. + */ +class UPnPDeviceParser final : public CommonExpatParser { + UPnPDevice &m_device; + std::string m_tabs; + std::vector<std::string> m_path; + UPnPService m_tservice; + +public: + UPnPDeviceParser(UPnPDevice& device) + :m_device(device) {} + +protected: + virtual void StartElement(const XML_Char *name, const XML_Char **) { + m_tabs.push_back('\t'); + m_path.push_back(name); + } + + virtual void EndElement(const XML_Char *name) { + if (!strcmp(name, "service")) { + m_device.services.push_back(m_tservice); + m_tservice.clear(); + } + if (m_tabs.size()) + m_tabs.erase(m_tabs.size()-1); + m_path.pop_back(); + } + + virtual void CharacterData(const XML_Char *s, int len) { + if (len == 0) + return; + + std::string str(s, len); + trimstring(str); + switch (m_path.back()[0]) { + case 'c': + if (!m_path.back().compare("controlURL")) + m_tservice.controlURL += str; + break; + case 'd': + if (!m_path.back().compare("deviceType")) + m_device.deviceType += str; + break; + case 'e': + if (!m_path.back().compare("eventSubURL")) + m_tservice.eventSubURL += str; + break; + case 'f': + if (!m_path.back().compare("friendlyName")) + m_device.friendlyName += str; + break; + case 'm': + if (!m_path.back().compare("manufacturer")) + m_device.manufacturer += str; + else if (!m_path.back().compare("modelName")) + m_device.modelName += str; + break; + case 's': + if (!m_path.back().compare("serviceType")) + m_tservice.serviceType = str; + else if (!m_path.back().compare("serviceId")) + m_tservice.serviceId += str; + case 'S': + if (!m_path.back().compare("SCPDURL")) + m_tservice.SCPDURL = str; + break; + case 'U': + if (!m_path.back().compare("UDN")) + m_device.UDN = str; + else if (!m_path.back().compare("URLBase")) + m_device.URLBase += str; + break; + } + } +}; + +UPnPDevice::UPnPDevice(const std::string &url, const std::string &description) + :ok(false) +{ + UPnPDeviceParser mparser(*this); + Error error; + if (!mparser.Parse(description.data(), description.length(), true, + error)) { + // TODO: pass Error to caller + LogError(error); + return; + } + + if (URLBase.empty()) { + // The standard says that if the URLBase value is empty, we should use + // the url the description was retrieved from. However this is + // sometimes something like http://host/desc.xml, sometimes something + // like http://host/ + + if (url.size() < 8) { + // ??? + URLBase = url; + } else { + auto hostslash = url.find_first_of("/", 7); + if (hostslash == std::string::npos || hostslash == url.size()-1) { + URLBase = url; + } else { + URLBase = path_getfather(url); + } + } + } + ok = true; +} |