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Diffstat (limited to 'src/GattProperty.cpp')
| -rw-r--r-- | src/GattProperty.cpp | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/src/GattProperty.cpp b/src/GattProperty.cpp new file mode 100644 index 0000000..b829ac8 --- /dev/null +++ b/src/GattProperty.cpp @@ -0,0 +1,185 @@ +// Copyright 2017 Paul Nettle. +// +// This file is part of Gobbledegook. +// +// Gobbledegook 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 3 of the License, or +// (at your option) any later version. +// +// Gobbledegook 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 Gobbledegook. If not, see <http://www.gnu.org/licenses/>. + +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// +// >> +// >>> INSIDE THIS FILE +// >> +// +// A GATT Property is simply a name/value pair. +// +// >> +// >>> DISCUSSION +// >> +// +// This class is intended to be used within the server description. For an explanation of how this class is used, see the detailed +// description in Server.cpp. +// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +#include <gio/gio.h> +#include <string> + +#include "Utils.h" +#include "GattProperty.h" + +// Constructs a named property +// +// In general, properties should not be constructed directly as properties are typically instanticated by adding them to to an +// interface using one of the the interface's `addProperty` methods. +GattProperty::GattProperty(const std::string &name, GVariant *pValue, GDBusInterfaceGetPropertyFunc getter, GDBusInterfaceSetPropertyFunc setter) +: name(name), pValue(pValue), getterFunc(getter), setterFunc(setter) +{ +} + +// +// Name +// + +// Returns the name of the property +const std::string &GattProperty::getName() const +{ + return name; +} + +// Sets the name of the property +// +// In general, this method should not be called directly as properties are typically added to an interface using one of the the +// interface's `addProperty` methods. +GattProperty &GattProperty::setName(const std::string &name) +{ + this->name = name; + return *this; +} + +// +// Value +// + +// Returns the property's value +const GVariant *GattProperty::getValue() const +{ + return pValue; +} + +// Sets the property's value +// +// In general, this method should not be called directly as properties are typically added to an interface using one of the the +// interface's `addProperty` methods. +GattProperty &GattProperty::setValue(GVariant *pValue) +{ + this->pValue = pValue; + return *this; +} + +// +// Callbacks to get/set this property +// + +// Internal use method to retrieve the getter delegate method used to return custom values for a property +GDBusInterfaceGetPropertyFunc GattProperty::getGetterFunc() const +{ + return getterFunc; +} + +// Internal use method to set the getter delegate method used to return custom values for a property +// +// In general, this method should not be called directly as properties are typically added to an interface using one of the the +// interface's `addProperty` methods. +GattProperty &GattProperty::setGetterFunc(GDBusInterfaceGetPropertyFunc func) +{ + getterFunc = func; + return *this; +} + +// Internal use method to retrieve the setter delegate method used to return custom values for a property +GDBusInterfaceSetPropertyFunc GattProperty::getSetterFunc() const +{ + return setterFunc; +} + +// Internal use method to set the setter delegate method used to return custom values for a property +// +// In general, this method should not be called directly as properties are typically added to an interface using one of the the +// interface's `addProperty` methods. +GattProperty &GattProperty::setSetterFunc(GDBusInterfaceSetPropertyFunc func) +{ + setterFunc = func; + return *this; +} + +// Internal method used to generate introspection XML used to describe our services on D-Bus +std::string GattProperty::generateIntrospectionXML(int depth) const +{ + std::string prefix; + prefix.insert(0, depth * 2, ' '); + + std::string xml = std::string(); + + GVariant *pValue = const_cast<GVariant *>(getValue()); + const gchar *pType = g_variant_get_type_string(pValue); + xml += prefix + "<property name='" + getName() + "' type='" + pType + "' access='read'>\n"; + + if (g_variant_is_of_type(pValue, G_VARIANT_TYPE_BOOLEAN)) + { + xml += prefix + " <annotation name='name' value='" + (g_variant_get_boolean(pValue) != 0 ? "true":"false") + "' />\n"; + } + else if (g_variant_is_of_type(pValue, G_VARIANT_TYPE_INT16)) + { + xml += prefix + " <annotation name='name' value='" + std::to_string(g_variant_get_int16(pValue)) + "' />\n"; + } + else if (g_variant_is_of_type(pValue, G_VARIANT_TYPE_UINT16)) + { + xml += prefix + " <annotation name='name' value='" + std::to_string(g_variant_get_uint16(pValue)) + "' />\n"; + } + else if (g_variant_is_of_type(pValue, G_VARIANT_TYPE_INT32)) + { + xml += prefix + " <annotation name='name' value='" + std::to_string(g_variant_get_int32(pValue)) + "' />\n"; + } + else if (g_variant_is_of_type(pValue, G_VARIANT_TYPE_UINT32)) + { + xml += prefix + " <annotation name='name' value='" + std::to_string(g_variant_get_uint32(pValue)) + "' />\n"; + } + else if (g_variant_is_of_type(pValue, G_VARIANT_TYPE_INT64)) + { + xml += prefix + " <annotation name='name' value='" + std::to_string(g_variant_get_int64(pValue)) + "' />\n"; + } + else if (g_variant_is_of_type(pValue, G_VARIANT_TYPE_UINT64)) + { + xml += prefix + " <annotation name='name' value='" + std::to_string(g_variant_get_uint64(pValue)) + "' />\n"; + } + else if (g_variant_is_of_type(pValue, G_VARIANT_TYPE_DOUBLE)) + { + xml += prefix + " <annotation value='" + std::to_string(g_variant_get_double(pValue)) + "' />\n"; + } + else if (g_variant_is_of_type(pValue, G_VARIANT_TYPE_STRING)) + { + xml += prefix + " <annotation name='name' value='" + g_variant_get_string(pValue, nullptr) + "' />\n"; + } + else if (g_variant_is_of_type(pValue, G_VARIANT_TYPE_OBJECT_PATH)) + { + xml += prefix + " <annotation name='name' value='" + g_variant_get_string(pValue, nullptr) + "' />\n"; + } + else if (g_variant_is_of_type(pValue, G_VARIANT_TYPE_BYTESTRING)) + { + xml += prefix + " <annotation name='name' value='" + g_variant_get_bytestring(pValue) + "' />\n"; + } + + xml += prefix + "</property>\n"; + + return xml; +} |