From 31602444c0bd71cbea320d02a12c2a8e66ef4e32 Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Sun, 9 Feb 2014 22:31:00 +0100
Subject: mobile_image_mounter: implemented new image file uploading method

---
 src/mobile_image_mounter.c | 122 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)

(limited to 'src/mobile_image_mounter.c')

diff --git a/src/mobile_image_mounter.c b/src/mobile_image_mounter.c
index bc439f9..9e6d8e9 100644
--- a/src/mobile_image_mounter.c
+++ b/src/mobile_image_mounter.c
@@ -189,6 +189,128 @@ leave_unlock:
 	return res;
 }
 
+/**
+ * Uploads an image to the device.
+ *
+ * @param client The connected mobile_image_mounter client.
+ * @param image_type Type of image that is being uploaded.
+ * @param image_size Total size of the image.
+ * @param upload_cb Callback function that gets the data chunks for uploading
+ *    the image.
+ * @param userdata User defined data for the upload callback function.
+ *
+ * @return MOBILE_IMAGE_MOUNTER_E_SUCCESS on succes, or a
+ *    MOBILE_IMAGE_MOUNTER_E_* error code otherwise.
+ */
+mobile_image_mounter_error_t mobile_image_mounter_upload_image(mobile_image_mounter_client_t client, const char *image_type, size_t image_size, mobile_image_mounter_upload_cb_t upload_cb, void* userdata)
+{
+	if (!client || !image_type || (image_size == 0) || !upload_cb) {
+		return MOBILE_IMAGE_MOUNTER_E_INVALID_ARG;
+	}
+	mobile_image_mounter_lock(client);
+	plist_t result = NULL;
+
+	plist_t dict = plist_new_dict();
+	plist_dict_insert_item(dict, "Command", plist_new_string("ReceiveBytes"));
+	plist_dict_insert_item(dict, "ImageSize", plist_new_uint(image_size));
+	plist_dict_insert_item(dict, "ImageType", plist_new_string(image_type));
+
+	mobile_image_mounter_error_t res = mobile_image_mounter_error(property_list_service_send_xml_plist(client->parent, dict));
+	plist_free(dict);
+
+	if (res != MOBILE_IMAGE_MOUNTER_E_SUCCESS) {
+		debug_info("Error sending XML plist to device!");
+		goto leave_unlock;
+	}
+
+	res = mobile_image_mounter_error(property_list_service_receive_plist(client->parent, &result));
+	if (res != MOBILE_IMAGE_MOUNTER_E_SUCCESS) {
+		debug_info("Error receiving response from device!");
+		goto leave_unlock;
+	}
+	res = MOBILE_IMAGE_MOUNTER_E_COMMAND_FAILED;
+
+	char* strval = NULL;
+	plist_t node = plist_dict_get_item(result, "Status");
+	if (node && plist_get_node_type(node) == PLIST_STRING) {
+		plist_get_string_val(node, &strval);
+	}
+	if (!strval) {
+		debug_info("Error: Unexpected response received!");
+		goto leave_unlock;
+	}
+	if (strcmp(strval, "ReceiveBytesAck") != 0) {
+		debug_info("Error: didn't get ReceiveBytesAck but %s", strval);
+		free(strval);
+		goto leave_unlock;
+	}
+	free(strval);
+
+	size_t tx = 0;
+	size_t bufsize = 65536;
+	unsigned char *buf = (unsigned char*)malloc(bufsize);
+	if (!buf) {
+		debug_info("Out of memory");
+		res = MOBILE_IMAGE_MOUNTER_E_UNKNOWN_ERROR;
+		goto leave_unlock;
+	}
+	debug_info("uploading image (%d bytes)", (int)image_size);
+	while (tx < image_size) {
+		size_t remaining = image_size - tx;
+		size_t amount = (remaining < bufsize) ? remaining : bufsize;
+		ssize_t r = upload_cb(buf, amount, userdata);
+		if (r < 0) {
+			debug_info("upload_cb returned %d", (int)r);
+			break;
+		}
+		uint32_t sent = 0;
+		if (service_send(client->parent->parent, (const char*)buf, (uint32_t)r, &sent) != SERVICE_E_SUCCESS) {
+			debug_info("service_send failed");
+			break;
+		}
+		tx += r;
+	}
+	free(buf);
+	if (tx < image_size) {
+		debug_info("Error: failed to upload image");
+		goto leave_unlock;
+	}
+	debug_info("image uploaded");
+
+	res = mobile_image_mounter_error(property_list_service_receive_plist(client->parent, &result));
+	if (res != MOBILE_IMAGE_MOUNTER_E_SUCCESS) {
+		debug_info("Error receiving response from device!");
+		goto leave_unlock;
+	}
+	res = MOBILE_IMAGE_MOUNTER_E_COMMAND_FAILED;
+
+	strval = NULL;
+	node = plist_dict_get_item(result, "Status");
+	if (node && plist_get_node_type(node) == PLIST_STRING) {
+		plist_get_string_val(node, &strval);
+	}
+	if (!strval) {
+		debug_info("Error: Unexpected response received!");	
+		goto leave_unlock;
+	}
+	if (strcmp(strval, "Complete") != 0) {
+		debug_info("Error: didn't get Complete but %s", strval);
+		free(strval);
+		goto leave_unlock;
+	} else {
+		res = MOBILE_IMAGE_MOUNTER_E_SUCCESS;
+	}
+	free(strval);
+	
+
+leave_unlock:
+	mobile_image_mounter_unlock(client);
+	if (result)
+		plist_free(result);
+	return res;
+
+}
+
 /**
  * Mounts an image on the device.
  *
-- 
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