diff options
1 files changed, 33 insertions, 0 deletions
| -rw-r--r-- | src/message.cpp | 33 |
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 <cstring> +#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; +} |