Use a global progress callback instead of completing removing progress

common/common.cpp

@@ -68,6 +68,8 @@
 #endif
 #define LLAMA_CURL_MAX_URL_LENGTH 2084 // Maximum URL Length in Chrome: 2083
 #define LLAMA_CURL_MAX_HEADER_LENGTH 256
+#define LLAMA_PROGRESS_UPDATE_INTERVAL 1
+#define LLAMA_PROGRESS_PERCENTAGE_WIDTH 10
 #endif // LLAMA_USE_CURL
 
 using json = nlohmann::ordered_json;
@@ -1866,6 +1868,72 @@ void llama_batch_add(
 
 #ifdef LLAMA_USE_CURL
 
+struct shard_file_progress {
+    std::string filename;
+    double total_bytes;
+    double received_bytes;
+};
+
+std::map<std::string, shard_file_progress> progress_table;
+std::mutex progress_mutex;
+std::stringstream download_done_buffer;
+
+static int shard_progress_callback(void* clientp, double dltotal, double dlnow, double ultotal, double ulnow) {
+    // upload not needed for downloading
+    (void) ultotal;
+    (void) ulnow;
+    char* url = static_cast<char*>(clientp);
+    
+    std::lock_guard<std::mutex> lock(progress_mutex);
+
+    shard_file_progress& progress = progress_table[url];
+    progress.total_bytes = static_cast<double>(dltotal);
+    progress.received_bytes = static_cast<double>(dlnow);
+
+    std::string url_string = static_cast<std::string>(url);
+    progress.filename = url_string.substr(url_string.find_last_of('/') + 1);
+    
+    return 0;
+}
+
+static void print_shard_progress_table(bool first_progress) {
+    if (first_progress) {
+        fprintf(stderr, "=========================\n");
+    } else {
+        // use updating output
+        {
+            std::lock_guard<std::mutex> lock(progress_mutex);
+            for (unsigned int i = 0; i < progress_table.size(); i++) {
+                fprintf(stderr, "\033[1A\033[K\033[1A\033[K");
+            }
+            fprintf(stderr, "\r");
+        }
+    }
+
+    struct winsize ws;
+    ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws);
+    int progress_bar_width = ws.ws_col - LLAMA_PROGRESS_PERCENTAGE_WIDTH;
+
+    // Print the progress information for each downloading file
+    {
+        std::lock_guard<std::mutex> lock(progress_mutex);
+        for (const auto& entry : progress_table) {
+            shard_file_progress progress = entry.second;
+            int progress_width = static_cast<int>((progress.received_bytes / progress.total_bytes) * progress_bar_width);
+
+            fprintf(stderr, "%s\n", progress.filename.c_str());
+            fprintf(stderr, "[");
+            for (int i = 0; i < progress_width; ++i) {
+                fprintf(stderr, "=");
+            }
+            for (int i = progress_width; i < progress_bar_width; ++i) {
+                fprintf(stderr, " ");
+            }
+            fprintf(stderr, "] %d%%\n", static_cast<int>((progress.received_bytes / progress.total_bytes) * 100));
+        }
+    }
+}
+
 static bool llama_download_file(CURL * curl, const char * url, const char * path, bool is_shard) {
     bool force_download = false;
 
@@ -1999,11 +2067,13 @@ static bool llama_download_file(CURL * curl, const char * url, const char * path
         curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, static_cast<CURLOPT_WRITEFUNCTION_PTR>(write_callback));
         curl_easy_setopt(curl, CURLOPT_WRITEDATA, outfile);
 
-        //  display download progress if not sharded
+        //  display download progress
+        curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
+        
+        // custom progress callback on sharded download
         if (is_shard) {
-            curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 1L);
-        } else {
-            curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
+            curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, shard_progress_callback);
+            curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, url);
         }
 
         // helper function to hide password in URL
@@ -2050,7 +2120,11 @@ static bool llama_download_file(CURL * curl, const char * url, const char * path
             if (etag_file) {
                 fputs(headers.etag, etag_file);
                 fclose(etag_file);
-                fprintf(stderr, "%s: file etag saved %s: %s\n", __func__, etag_path, headers.etag);
+                if (is_shard) {
+                    download_done_buffer << __func__ << ": file etag saved " << etag_path << ": " << headers.etag << "\n";
+                } else {
+                    fprintf(stderr, "%s: file etag saved %s: %s\n", __func__, etag_path, headers.etag);
+                }
             }
         }
 
@@ -2060,8 +2134,11 @@ static bool llama_download_file(CURL * curl, const char * url, const char * path
             if (last_modified_file) {
                 fputs(headers.last_modified, last_modified_file);
                 fclose(last_modified_file);
-                fprintf(stderr, "%s: file last modified saved %s: %s\n", __func__, last_modified_path,
-                        headers.last_modified);
+                if (is_shard) {
+                    download_done_buffer << __func__ << ": unable to rename file: " << path_temporary << " to " << path << "\n";
+                } else {
+                    fprintf(stderr, "%s: unable to rename file: %s to %s\n", __func__, path_temporary, path);
+                }
             }
         }
 
@@ -2159,6 +2236,33 @@ struct llama_model * llama_load_model_from_url(
             }, idx));
         }
         
+        bool first_progress = true;
+        while (true) {
+            // Print the progress table periodically
+            std::this_thread::sleep_for(std::chrono::seconds(LLAMA_PROGRESS_UPDATE_INTERVAL));
+            // Print the progress table header
+            print_shard_progress_table(first_progress);
+            first_progress = false;
+
+            // Check if all downloads are complete
+            bool all_complete = true;
+            {
+                std::lock_guard<std::mutex> lock(progress_mutex);
+                for (const auto& entry : progress_table) {
+                    const shard_file_progress& progress = entry.second;
+                    if (progress.received_bytes < progress.total_bytes) {
+                        all_complete = false;
+                        break;
+                    }
+                }
+            }
+
+            if (all_complete) {
+                fprintf(stderr, "%s", download_done_buffer.str().c_str());
+                break;
+            }
+        }
+
         // Wait for all downloads to complete
         for (auto & f : futures_download) {
             if (!f.get()) {