acadia/zion/object/port.cpp

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#include "object/port.h"
Port::Port() {}
z_err_t Port::Write(const ZMessage& msg) {
if (msg.num_caps > 0) {
dbgln("Unimplemented passing caps on port");
return Z_ERR_UNIMPLEMENTED;
}
if (msg.num_bytes > 0x1000) {
dbgln("Large message size unimplemented: %x", msg.num_bytes);
return Z_ERR_INVALID;
}
Message message{
.type = msg.type,
.num_bytes = msg.num_bytes,
.bytes = new uint8_t[msg.num_bytes],
};
for (uint64_t i = 0; i < msg.num_bytes; i++) {
message.bytes[i] = msg.bytes[i];
}
pending_messages_.PushBack(message);
return Z_OK;
}
z_err_t Port::Read(ZMessage& msg) {
if (pending_messages_.size() < 1) {
dbgln("Implement blocking");
return Z_ERR_UNIMPLEMENTED;
}
Message next_msg = pending_messages_.PeekFront();
if (next_msg.num_bytes > msg.num_bytes) {
return Z_ERR_BUFF_SIZE;
}
msg.type = next_msg.type;
msg.num_bytes = next_msg.num_bytes;
msg.num_caps = 0;
for (uint64_t i = 0; i < msg.num_bytes; i++) {
msg.bytes[i] = next_msg.bytes[i];
}
pending_messages_.PopFront();
return Z_OK;
}