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fix handling of responses that come in chunks, and non-200 status codes

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This commit is contained in:
Jared Van Bortel 2025-02-28 12:32:48 -05:00
parent d20cfbbec9
commit 1ba555a174
2 changed files with 41 additions and 13 deletions
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16
gpt4all-backend/include/gpt4all-backend/ollama-client.h
View File

@ -4,7 +4,7 @@
#include <QCoro/QCoroTask> // IWYU pragma: keep
#include <boost/json.hpp> // IWYU pragma: keep
#include <boost/system.hpp>
#include <boost/system.hpp> // IWYU pragma: keep
#include <QNetworkAccessManager>
#include <QNetworkReply>
@ -17,27 +17,27 @@
#include <variant>
class QNetworkRequest;
class QRestReply;
namespace gpt4all::backend {
struct ResponseError {
public:
struct BadStatus { int code; };
private:
using ErrorCode = std::variant<
QNetworkReply::NetworkError,
boost::system::error_code
boost::system::error_code,
BadStatus
>;
public:
ErrorCode error;
QString errorString;
ResponseError(const QNetworkReply *reply)
: error(reply->error())
, errorString(reply->errorString())
{
assert(reply->error());
}
ResponseError(const QRestReply *reply);
ResponseError(const boost::system::system_error &e)
: error(e.code())

38
gpt4all-backend/src/ollama-client.cpp
View File

@ -8,6 +8,9 @@
#include <QByteArray>
#include <QNetworkRequest>
#include <QRestReply>
#include <QVariant>
#include <QtAssert>
#include <coroutine>
#include <expected>
@ -21,6 +24,26 @@ namespace json = boost::json;
namespace gpt4all::backend {
ResponseError::ResponseError(const QRestReply *reply)
{
auto *nr = reply->networkReply();
if (reply->hasError()) {
error = nr->error();
errorString = nr->errorString();
} else if (!reply->isHttpStatusSuccess()) {
auto code = reply->httpStatus();
auto reason = nr->attribute(QNetworkRequest::HttpReasonPhraseAttribute);
error = BadStatus(code);
errorString = u"HTTP %1%2%3 for URL \"%4\""_s.arg(
QString::number(code),
reason.isValid() ? u" "_s : QString(),
reason.toString(),
nr->request().url().toString()
);
} else
Q_UNREACHABLE();
}
QNetworkRequest OllamaClient::makeRequest(const QString &path) const
{
QNetworkRequest req(m_baseUrl.resolved(QUrl(path)));
@ -30,16 +53,21 @@ QNetworkRequest OllamaClient::makeRequest(const QString &path) const
auto OllamaClient::processResponse(QNetworkReply &reply) -> QCoro::Task<DataOrRespErr<json::value>>
{
QRestReply restReply(&reply);
if (reply.error())
co_return std::unexpected(&reply);
co_return std::unexpected(&restReply);
auto coroReply = qCoro(reply);
do {
for (;;) {
auto chunk = co_await coroReply.readAll();
if (reply.error())
co_return std::unexpected(&reply);
if (!restReply.isSuccess())
co_return std::unexpected(&restReply);
if (chunk.isEmpty()) {
Q_ASSERT(reply.atEnd());
break;
}
m_parser.write(chunk.data(), chunk.size());
} while (!reply.atEnd());
}
m_parser.finish();
co_return m_parser.release();