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Artic Base: Fix fallback read/write not being chunked (#171)

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PabloMK7 2024-07-07 19:10:47 +02:00 committed by GitHub
parent 9b39b43e90
commit 1e2be72e5e
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1 changed files with 50 additions and 29 deletions
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67
src/core/file_sys/archive_artic.cpp
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@ -387,24 +387,34 @@ ResultVal<std::size_t> ArticFileBackend::Read(u64 offset, std::size_t length, u8
return cache->Read(file_handle, offset, length, buffer);
}
size_t read_amount = 0;
while (read_amount != length) {
size_t to_read =
std::min<size_t>(client->GetServerRequestMaxSize() - 0x100, length - read_amount);
auto req = client->NewRequest("FSFILE_Read");
req.AddParameterS32(file_handle);
req.AddParameterU64(offset);
req.AddParameterU32(static_cast<u32>(length));
req.AddParameterS64(static_cast<s64>(offset + read_amount));
req.AddParameterS32(static_cast<s32>(to_read));
auto resp = client->Send(req);
auto res = ArticArchive::RespResult(resp);
if (!resp.has_value() || !resp->Succeeded())
return Result(-1);
auto res = Result(static_cast<u32>(resp->GetMethodResult()));
if (res.IsError())
return res;
auto read_buf = resp->GetResponseBuffer(0);
if (!read_buf || read_buf->second > length) {
return std::size_t(0);
}
auto read_buff = resp->GetResponseBuffer(0);
if (!read_buff.has_value())
return Result(-1);
size_t actually_read = read_buff->second;
memcpy(buffer, read_buf->first, read_buf->second);
return read_buf->second;
memcpy(buffer + read_amount, read_buff->first, actually_read);
read_amount += actually_read;
if (actually_read != to_read)
break;
}
return read_amount;
}
ResultVal<std::size_t> ArticFileBackend::Write(u64 offset, std::size_t length, bool flush,
@ -415,25 +425,36 @@ ResultVal<std::size_t> ArticFileBackend::Write(u64 offset, std::size_t length, b
if (cache != nullptr) {
return cache->Write(file_handle, offset, length, buffer, flags);
} else {
size_t written_amount = 0;
while (written_amount != length) {
size_t to_write = std::min<size_t>(client->GetServerRequestMaxSize() - 0x100,
length - written_amount);
auto req = client->NewRequest("FSFILE_Write");
req.AddParameterS32(file_handle);
req.AddParameterU64(offset);
req.AddParameterU32(static_cast<u32>(length));
req.AddParameterU32(flags);
req.AddParameterBuffer(buffer, length);
req.AddParameterS64(static_cast<s64>(offset + written_amount));
req.AddParameterS32(static_cast<s32>(to_write));
req.AddParameterS32(static_cast<s32>(flags));
req.AddParameterBuffer(buffer + written_amount, to_write);
auto resp = client->Send(req);
auto res = ArticArchive::RespResult(resp);
if (!resp.has_value() || !resp->Succeeded())
return Result(-1);
auto res = Result(static_cast<u32>(resp->GetMethodResult()));
if (res.IsError())
return res;
auto writen_buf = resp->GetResponseS32(0);
if (!writen_buf) {
return std::size_t(0);
}
auto actually_written_opt = resp->GetResponseS32(0);
if (!actually_written_opt.has_value())
return Result(-1);
return std::size_t(*writen_buf);
size_t actually_written = static_cast<size_t>(actually_written_opt.value());
written_amount += actually_written;
if (actually_written != to_write)
break;
}
return written_amount;
}
}