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From c841c4a7871d2f79f9b7e2d53734f55e8410e231 Mon Sep 17 00:00:00 2001
From: Alexander Batischev <eual.jp@gmail.com>
Date: Fri, 22 Jan 2016 22:55:48 +0300
Subject: [PATCH] Re-download, not delete, existing files. Fixes #169
---
include/poddlthread.h | 1 +
src/poddlthread.cpp | 19 +++++++++++++++++--
2 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/include/poddlthread.h b/include/poddlthread.h
index cf0f1da..99299f3 100644
--- a/include/poddlthread.h
+++ b/include/poddlthread.h
@@ -23,6 +23,7 @@ class poddlthread {
protected:
double compute_kbps();
private:
+ void run();
void mkdir_p(const char * file);
download * dl;
std::shared_ptr<std::ofstream> f;
diff --git a/src/poddlthread.cpp b/src/poddlthread.cpp
index 3a1b390..afa6762 100644
--- a/src/poddlthread.cpp
+++ b/src/poddlthread.cpp
@@ -25,6 +25,13 @@ poddlthread::~poddlthread() {
}
void poddlthread::operator()() {
+ run();
+}
+
+void poddlthread::run() {
+ // are we resuming previous download?
+ bool resumed_download = false;
+
gettimeofday(&tv1, NULL);
++bytecount;
@@ -55,11 +62,13 @@ void poddlthread::operator()() {
mkdir_p(dl->filename());
f->open(dl->filename(), std::fstream::out);
dl->set_offset(0);
+ resumed_download = false;
} else {
LOG(LOG_INFO, "poddlthread::run: stat ok: starting download from %u", sb.st_size);
curl_easy_setopt(easyhandle, CURLOPT_RESUME_FROM, sb.st_size);
dl->set_offset(sb.st_size);
f->open(dl->filename(), std::fstream::out | std::fstream::app);
+ resumed_download = true;
}
if (f->is_open()) {
@@ -75,8 +84,14 @@ void poddlthread::operator()() {
if (0 == success)
dl->set_status(DL_READY);
else if (dl->status() != DL_CANCELLED) {
- dl->set_status(DL_FAILED);
- ::unlink(dl->filename());
+ // attempt complete re-download
+ if (resumed_download) {
+ ::unlink(dl->filename());
+ this->run();
+ } else {
+ dl->set_status(DL_FAILED);
+ ::unlink(dl->filename());
+ }
}
} else {
dl->set_status(DL_FAILED);