From 0730f70725f88e042a5b8dee9bf83fa2c4fbeda4 Mon Sep 17 00:00:00 2001 From: Syndamia Date: Thu, 3 Jul 2025 14:34:40 +0300 Subject: feat(message): Implemented message class Contains the full can message from one or more frames. --- src/message.cpp | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 src/message.cpp (limited to 'src/message.cpp') diff --git a/src/message.cpp b/src/message.cpp new file mode 100644 index 0000000..dfeb582 --- /dev/null +++ b/src/message.cpp @@ -0,0 +1,33 @@ +#include +#include "message.h" + +Message::Message(unsigned int can_id, const Frame& first_frame) : can_id(can_id), received(0) { + this->size = first_frame.get_size(); + this->msg = (unsigned char*)malloc(sizeof(unsigned char) * this->size); + this->receive_frame(first_frame); +} + +Message::Message(const Message& rhs) : can_id(rhs.can_id), size(rhs.size), received(rhs.received) { + this->msg = (unsigned char*)malloc(sizeof(unsigned char) * this->size); + std::memcpy(this->msg, rhs.msg, this->size); +} + +void Message::receive_frame(const Frame& f) { + size_t expects = std::min(this->size - this->received, f.get_data_size()); + std::memcpy(this->msg + this->received, f.get_data(), expects); + this->received += expects; +} + +bool Message::expects_more_frames() const { + return this->received < this->size; +} + +std::ostream& operator<<(std::ostream& os, const Message& m) { + os << m.can_id << ":"; + for (int i = 0; i < m.received; ++i) { + os << " " << (unsigned)m.msg[i]; + } + if (m.expects_more_frames()) + os << "..."; + return os; +} -- cgit v1.3.1-23-gd82d