Use header for indicating index.

src/mami.js/eeprom/eeprom.js

@@ -16,16 +16,6 @@ const MamiEEPROM = function(endPoint, getAuthLine) {
 
             let userAborted = false;
             let abortHandler;
-            let progressHandler;
-
-            const reportProgress = ev => {
-                if(progressHandler !== undefined)
-                    progressHandler({
-                        loaded: ev.loaded,
-                        total: ev.total,
-                        progress: ev.total <= 0 ? 0 : ev.loaded / ev.total,
-                    });
-            };
 
             return {
                 abort: () => {
@@ -33,15 +23,18 @@ const MamiEEPROM = function(endPoint, getAuthLine) {
                     if(typeof abortHandler === 'function')
                         abortHandler();
                 },
-                onProgress: handler => {
-                    if(typeof handler !== 'function')
-                        throw 'handler must be a function';
-                    progressHandler = handler;
-                },
-                start: async () => {
+                start: async progress => {
                     if(userAborted)
                         throw 'File upload was cancelled by the user, it cannot be restarted.';
 
+                    const reportProgress = typeof progress !== 'function' ? undefined : ev => {
+                        progress({
+                            loaded: ev.loaded,
+                            total: ev.total,
+                            progress: ev.total <= 0 ? 0 : ev.loaded / ev.total,
+                        });
+                    };
+
                     try {
                         const formData = new FormData;
                         formData.append('src', appId);

src/mami.js/eeprom/eepromv2.js

@@ -57,11 +57,12 @@ const MamiEEPROMv2 = function(baseUrl, getAuthLine, poolName) {
                 const offset = size * index;
                 buffer = buffer.subarray(offset, Math.min(buffer.length, offset + size));
 
-                let taskUrl = taskInfo.task_url;
-                if(offset > 0)
-                    taskUrl += `?offset=${offset}`;
-
-                const { status, body } = await $x.put(taskUrl, { type: 'json' }, buffer);
+                const { status, body } = await $x.put(taskInfo.task_url, {
+                    type: 'json',
+                    headers: {
+                        'X-Content-Index': index,
+                    },
+                }, buffer);
                 if(status === 202)
                     return;
 
@@ -93,7 +94,7 @@ const MamiEEPROMv2 = function(baseUrl, getAuthLine, poolName) {
                         throw 'handler must be a function';
                     progressHandler = handler;
                 },
-                start: async () => {
+                start: async progress => {
                     if(userAborted)
                         throw 'File upload was cancelled by the user, it cannot be restarted.';
 
@@ -105,9 +106,10 @@ const MamiEEPROMv2 = function(baseUrl, getAuthLine, poolName) {
                         if(task.state === 'complete') {
                             upload = task.upload;
                         } else if(task.state === 'pending') {
+                            const chunks = Math.ceil(buffer.length / CHUNK_SIZE);
                             await MamiRunConcurrent((() => {
                                 const promises = [];
-                                for(let i = 0; i < buffer.length / CHUNK_SIZE; ++i)
+                                for(let i = 0; i < chunks; ++i)
                                     promises.push(async () => await putChunk(task, buffer, i, CHUNK_SIZE));
                                 return promises;
                             })());