Protocol buffers 向重复消息添加必填字段时出现问题
我使用的是C++11。我的问题是,我无法将必填字段添加到重复消息中Protocol buffers 向重复消息添加必填字段时出现问题,protocol-buffers,Protocol Buffers,我使用的是C++11。我的问题是,我无法将必填字段添加到重复消息中 Sample.Proto message HDPMsg { required MsgHeaderSig messageHeader = 1; optional int64 tag = 18999; } message InfusionEventContainer { repeated InfusionEventSig infusionOngoingEvents = 5; optional int64 ta
Sample.Proto
message HDPMsg
{
required MsgHeaderSig messageHeader = 1;
optional int64 tag = 18999;
}
message InfusionEventContainer
{
repeated InfusionEventSig infusionOngoingEvents = 5;
optional int64 tag = 18999;
}
message InfusionEventSig
{
required MsgHeaderSig messageHeader = 1;
optional int64 tag = 18999;
}
Sample.cpp
void buildMessage(HdpMain &rHdpMain)
{
HDPMsg hdp5;
MsgHeaderSig header;
InfusionEventContainer container;
InfusionEventSig infusionOngoingEvents;
header.set_timestamp(time(NULL));
header.set_sourceid(MSG_SOURCE_UIC);
hdp5.set_allocated_messageheader(&header);
hdp5.set_eventtype(INFUSION_UPDATE);
container.set_allocated_messageheader(&header); // here i am getting error
when running code.Error: header not set.
infusionOngoingEvents.set_allocated_messageheader(&header);
container.add_infusionongoingevents();
hdp5.set_allocated_infusionevents(&container);
printf("is infusionongoingevents IsInitialized after= %d\n",
hdp5.infusionevents().infusionongoingevents(0).IsInitialized()); // giveng me value 0(not set).
// if i use printf("is infusionongoingevents IsInitialized after= %d\n",infusionOngoingEvents.IsInitialized()); // giving me value 1(set).
hdp5.release_messageheader();
hdp5.release_infusionevents();
container.release_messageheader();
container.clear_infusionongoingevents();
container.release_shifttotals();
infusionOngoingEvents.release_messageheader();
}
错误:[libprotobuf FATAL google/protobuf/message_lite.cc:231]检查失败:IsInitialized():无法序列化类型为“com.silver.hdp5signals.mdcodegen.signals.HDPMsg”的消息,因为它缺少必填字段:infusionEvents.infusionOngoingEvents[0]。messageHeader我得到了答案。
对于重复字段,我们必须获取空指针并向该指针添加值
例如:InfusionEventSig*infusionOngoingEvents=container.add_infusionOngoingEvents()
这解决了问题对不起,我在infusionOngoingEvents时出错。设置\u分配的\u messageheader(&header);