64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
#include "ModelUrlMsg.h"
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#include <string.h>
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namespace RoboidControl {
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ModelUrlMsg::ModelUrlMsg(unsigned char networkId, Thing* thing) {
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this->networkId = networkId;
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this->thingId = thing->id;
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if (thing->modelUrl == nullptr)
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this->urlLength = 0;
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else
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this->urlLength = (unsigned char)strlen(thing->modelUrl);
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// the url string in the buffer is not \0 terminated!
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char* url = new char[this->urlLength + 1];
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for (int i = 0; i < this->urlLength; i++)
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url[i] = thing->modelUrl[i];
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url[this->urlLength] = '\0';
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this->url = url;
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}
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ModelUrlMsg::ModelUrlMsg(const char* buffer) {
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unsigned char ix = 1; // first byte is msg id
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this->networkId = buffer[ix++];
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this->thingId = buffer[ix++];
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this->urlLength = buffer[ix++];
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// this->url = &buffer[ix]; // dangerous! name should not be used anymore
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// after
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// // buffer has been re-used...
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// the url string in the buffer is not \0 terminated!
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char* url = new char[this->urlLength + 1];
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for (int i = 0; i < this->urlLength; i++)
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url[i] = buffer[ix++];
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url[this->urlLength] = '\0';
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this->url = url;
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}
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ModelUrlMsg::~ModelUrlMsg() {
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delete[] this->url;
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}
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unsigned char ModelUrlMsg::Serialize(char* buffer) {
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if (this->urlLength == 0 || this->url == nullptr)
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return 0;
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#if defined(DEBUG)
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std::cout << "Send ModelUrlMsg [" << (int)this->networkId << "/"
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<< (int)this->thingId << "] " << (int)this->urlLength << " "
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<< this->url << std::endl;
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#endif
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unsigned char ix = 0;
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buffer[ix++] = this->id;
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buffer[ix++] = this->networkId;
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buffer[ix++] = this->thingId;
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// LowLevelMessages::SendFloat16(buffer, &ix, this->scale);
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buffer[ix++] = this->urlLength;
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for (int urlIx = 0; urlIx < this->urlLength; urlIx++)
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buffer[ix++] = url[urlIx];
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return ix;
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}
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} // namespace RoboidControl
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