62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
#include "object/channel.h"
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#include "include/zerrors.h"
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Pair<RefPtr<Channel>, RefPtr<Channel>> Channel::CreateChannelPair() {
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auto c1 = MakeRefCounted<Channel>();
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auto c2 = MakeRefCounted<Channel>();
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c1->SetPeer(c2);
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c2->SetPeer(c1);
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return {c1, c2};
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}
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z_err_t Channel::Write(const ZMessage& msg) {
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return peer_->EnqueueMessage(msg);
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}
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z_err_t Channel::Read(ZMessage& msg) {
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if (pending_messages_.size() == 0) {
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dbgln("Unimplemented add blocking.");
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return Z_ERR_UNIMPLEMENTED;
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}
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Message next_msg = pending_messages_.PeekFront();
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if (next_msg.num_bytes > msg.num_bytes) {
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return Z_ERR_BUFF_SIZE;
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}
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msg.type = next_msg.type;
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msg.num_bytes = next_msg.num_bytes;
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msg.num_caps = 0;
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for (uint64_t i = 0; i < msg.num_bytes; i++) {
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msg.bytes[i] = next_msg.bytes[i];
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}
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pending_messages_.PopFront();
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return Z_OK;
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}
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z_err_t Channel::EnqueueMessage(const ZMessage& msg) {
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if (msg.num_caps > 0) {
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dbgln("Unimplemented passing caps on channel");
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return Z_ERR_UNIMPLEMENTED;
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}
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if (msg.num_bytes > 0x1000) {
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dbgln("Large message size unimplemented: %x", msg.num_bytes);
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return Z_ERR_INVALID;
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}
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Message message{
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.type = msg.type,
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.num_bytes = msg.num_bytes,
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.bytes = new uint8_t[msg.num_bytes],
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};
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for (uint64_t i = 0; i < msg.num_bytes; i++) {
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message.bytes[i] = msg.bytes[i];
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}
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pending_messages_.PushBack(message);
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return Z_OK;
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}
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