From 91c754ab4534bac775d79d9efa979250763a4bf5 Mon Sep 17 00:00:00 2001 From: Farbod Bijary <110523279+farbodbj@users.noreply.github.com> Date: Wed, 11 Sep 2024 12:52:37 +0330 Subject: [PATCH] feat: Implements retrying logic for downloading models using --model-url flag (#9255) * feat: Implements retrying logic for downloading models using --model-url flag * Update common/common.cpp Co-authored-by: Xuan Son Nguyen * Update common/common.cpp Co-authored-by: Xuan Son Nguyen * apply comments * implements a retry function to avoid duplication * fix editorconfig * change function name --------- Co-authored-by: farbod Co-authored-by: Xuan Son Nguyen Co-authored-by: slaren Co-authored-by: Xuan Son Nguyen --- common/common.cpp | 40 ++++++++++++++++++++++++++++++++-------- lora-tests | 1 + 2 files changed, 33 insertions(+), 8 deletions(-) create mode 160000 lora-tests diff --git a/common/common.cpp b/common/common.cpp index d572d24082703..30c6e84c795f7 100644 --- a/common/common.cpp +++ b/common/common.cpp @@ -941,11 +941,37 @@ struct ggml_threadpool_params ggml_threadpool_params_from_cpu_params(const cpu_p #ifdef LLAMA_USE_CURL +#define CURL_MAX_RETRY 3 +#define CURL_RETRY_DELAY_SECONDS 2 + + static bool starts_with(const std::string & str, const std::string & prefix) { // While we wait for C++20's std::string::starts_with... return str.rfind(prefix, 0) == 0; } +static bool curl_perform_with_retry(const std::string& url, CURL* curl, int max_attempts, int retry_delay_seconds) { + int remaining_attempts = max_attempts; + + while (remaining_attempts > 0) { + fprintf(stderr, "%s: Trying to download from %s (attempt %d of %d)...\n", __func__ , url.c_str(), max_attempts - remaining_attempts + 1, max_attempts); + + CURLcode res = curl_easy_perform(curl); + if (res == CURLE_OK) { + return true; + } + + int exponential_backoff_delay = std::pow(retry_delay_seconds, max_attempts - remaining_attempts) * 1000; + fprintf(stderr, "%s: curl_easy_perform() failed: %s, retrying after %d milliseconds...\n", __func__, curl_easy_strerror(res), exponential_backoff_delay); + + remaining_attempts--; + std::this_thread::sleep_for(std::chrono::milliseconds(exponential_backoff_delay)); + } + + fprintf(stderr, "%s: curl_easy_perform() failed after %d attempts\n", __func__, max_attempts); + return false; +} + static bool llama_download_file(const std::string & url, const std::string & path, const std::string & hf_token) { // Initialize libcurl @@ -1049,9 +1075,8 @@ static bool llama_download_file(const std::string & url, const std::string & pat curl_easy_setopt(curl.get(), CURLOPT_HEADERFUNCTION, static_cast(header_callback)); curl_easy_setopt(curl.get(), CURLOPT_HEADERDATA, &headers); - CURLcode res = curl_easy_perform(curl.get()); - if (res != CURLE_OK) { - fprintf(stderr, "%s: curl_easy_perform() failed: %s\n", __func__, curl_easy_strerror(res)); + bool was_perform_successful = curl_perform_with_retry(url, curl.get(), CURL_MAX_RETRY, CURL_RETRY_DELAY_SECONDS); + if (!was_perform_successful) { return false; } @@ -1126,11 +1151,10 @@ static bool llama_download_file(const std::string & url, const std::string & pat }; // start the download - fprintf(stderr, "%s: downloading from %s to %s (server_etag:%s, server_last_modified:%s)...\n", __func__, - llama_download_hide_password_in_url(url).c_str(), path.c_str(), headers.etag.c_str(), headers.last_modified.c_str()); - auto res = curl_easy_perform(curl.get()); - if (res != CURLE_OK) { - fprintf(stderr, "%s: curl_easy_perform() failed: %s\n", __func__, curl_easy_strerror(res)); + fprintf(stderr, "%s: trying to download model from %s to %s (server_etag:%s, server_last_modified:%s)...\n", __func__, + llama_download_hide_password_in_url(url).c_str(), path.c_str(), headers.etag.c_str(), headers.last_modified.c_str()); + bool was_perform_successful = curl_perform_with_retry(url, curl.get(), CURL_MAX_RETRY, CURL_RETRY_DELAY_SECONDS); + if (!was_perform_successful) { return false; } diff --git a/lora-tests b/lora-tests new file mode 160000 index 0000000000000..c26d5fb85b407 --- /dev/null +++ b/lora-tests @@ -0,0 +1 @@ +Subproject commit c26d5fb85b4070a9e9c4e65d132c783b98086890