bool
GMPStorageParent::RecvRead(const nsCString& aRecordName)
{
LOGD(("%s::%s: %p record=%s", __CLASS__, __FUNCTION__, this, aRecordName.get()));
if (mShutdown) {
return true;
}
PRFileDesc* fd = mFiles.Get(aRecordName);
nsTArray<uint8_t> data;
if (!fd) {
unused << SendReadComplete(aRecordName, GMPClosedErr, data);
return true;
}
int32_t len = PR_Seek(fd, 0, PR_SEEK_END);
PR_Seek(fd, 0, PR_SEEK_SET);
if (len > GMP_MAX_RECORD_SIZE) {
// Refuse to read big records.
unused << SendReadComplete(aRecordName, GMPQuotaExceededErr, data);
return true;
}
data.SetLength(len);
auto bytesRead = PR_Read(fd, data.Elements(), len);
auto res = (bytesRead == len) ? GMPNoErr : GMPGenericErr;
unused << SendReadComplete(aRecordName, res, data);
return true;
}
bool
GMPStorageParent::RecvRead(const nsCString& aRecordName)
{
LOGD(("GMPStorageParent[%p]::RecvRead(record='%s')",
this, aRecordName.get()));
if (mShutdown) {
return false;
}
nsTArray<uint8_t> data;
if (!mStorage->IsOpen(aRecordName)) {
LOGD(("GMPStorageParent[%p]::RecvRead(record='%s') failed; record not open",
this, aRecordName.get()));
Unused << SendReadComplete(aRecordName, GMPClosedErr, data);
} else {
GMPErr rv = mStorage->Read(aRecordName, data);
LOGD(("GMPStorageParent[%p]::RecvRead(record='%s') read %d bytes rv=%d",
this, aRecordName.get(), data.Length(), rv));
Unused << SendReadComplete(aRecordName, rv, data);
}
return true;
}
