mirror of
https://git.wownero.com/wownero/wownero.git
synced 2024-08-15 01:03:23 +00:00
resumption support for updates using range requests
This commit is contained in:
moneromooo-monero
parent
fe0fae5089
commit
ae55bacd8c
2 changed files with 84 additions and 12 deletions
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@ -33,6 +33,7 @@
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#include <boost/thread/thread.hpp>
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#include "cryptonote_config.h"
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#include "include_base_utils.h"
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#include "file_io_utils.h"
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#include "net/http_client.h"
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#include "download.h"
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@ -74,9 +75,20 @@ namespace tools
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try
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{
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boost::unique_lock<boost::mutex> lock(control->mutex);
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MINFO("Downloading " << control->uri << " to " << control->path);
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std::ios_base::openmode mode = std::ios_base::out | std::ios_base::binary;
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uint64_t existing_size = 0;
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if (epee::file_io_utils::get_file_size(control->path, existing_size) && existing_size > 0)
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{
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MINFO("Resuming downloading " << control->uri << " to " << control->path << " from " << existing_size);
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mode |= std::ios_base::app;
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}
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else
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{
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MINFO("Downloading " << control->uri << " to " << control->path);
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mode |= std::ios_base::trunc;
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}
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std::ofstream f;
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f.open(control->path, std::ios_base::binary | std::ios_base::out | std::ios_base::trunc);
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f.open(control->path, mode);
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if (!f.good()) {
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MERROR("Failed to open file " << control->path);
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control->result_cb(control->path, control->uri, control->success);
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@ -85,11 +97,13 @@ namespace tools
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class download_client: public epee::net_utils::http::http_simple_client
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{
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public:
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download_client(download_async_handle control, std::ofstream &f):
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control(control), f(f), content_length(-1), total(0) {}
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download_client(download_async_handle control, std::ofstream &f, uint64_t offset = 0):
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control(control), f(f), content_length(-1), total(0), offset(offset) {}
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virtual ~download_client() { f.close(); }
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virtual bool on_header(const epee::net_utils::http::http_response_info &headers)
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{
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for (const auto &kv: headers.m_header_info.m_etc_fields)
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MDEBUG("Header: " << kv.first << ": " << kv.second);
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ssize_t length;
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if (epee::string_tools::get_xtype_from_string(length, headers.m_header_info.m_content_length) && length >= 0)
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{
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@ -104,6 +118,26 @@ namespace tools
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return false;
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}
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}
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if (offset > 0)
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{
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// we requested a range, so check if we're getting it, otherwise truncate
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bool got_range = false;
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const std::string prefix = "bytes=" + std::to_string(offset) + "-";
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for (const auto &kv: headers.m_header_info.m_etc_fields)
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{
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if (kv.first == "Content-Range" && strncmp(kv.second.c_str(), prefix.c_str(), prefix.size()))
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{
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got_range = true;
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break;
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}
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}
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if (!got_range)
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{
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MWARNING("We did not get the requested range, downloading from start");
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f.close();
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f.open(control->path, std::ios_base::out | std::ios_base::binary | std::ios_base::trunc);
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}
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}
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return true;
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}
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virtual bool handle_target_data(std::string &piece_of_transfer)
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@ -130,7 +164,8 @@ namespace tools
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std::ofstream &f;
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ssize_t content_length;
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size_t total;
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} client(control, f);
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uint64_t offset;
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} client(control, f, existing_size);
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epee::net_utils::http::url_content u_c;
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if (!epee::net_utils::parse_url(control->uri, u_c))
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{
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@ -159,7 +194,14 @@ namespace tools
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}
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MDEBUG("GETting " << u_c.uri);
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const epee::net_utils::http::http_response_info *info = NULL;
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if (!client.invoke_get(u_c.uri, std::chrono::seconds(30), "", &info))
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epee::net_utils::http::fields_list fields;
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if (existing_size > 0)
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{
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const std::string range = "bytes=" + std::to_string(existing_size) + "-";
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MDEBUG("Asking for range: " << range);
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fields.push_back(std::make_pair("Range", range));
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}
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if (!client.invoke_get(u_c.uri, std::chrono::seconds(30), "", &info, fields))
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{
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boost::lock_guard<boost::mutex> lock(control->mutex);
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MERROR("Failed to connect to " << control->uri);
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@ -189,7 +231,7 @@ namespace tools
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MDEBUG("response body: " << info->m_body);
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for (const auto &f: info->m_additional_fields)
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MDEBUG("additional field: " << f.first << ": " << f.second);
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if (info->m_response_code != 200)
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if (info->m_response_code != 200 && info->m_response_code != 206)
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{
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boost::lock_guard<boost::mutex> lock(control->mutex);
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MERROR("Status code " << info->m_response_code);
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@ -44,6 +44,7 @@ using namespace epee;
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#include "cryptonote_config.h"
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#include "cryptonote_tx_utils.h"
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#include "misc_language.h"
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#include "file_io_utils.h"
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#include <csignal>
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#include <p2p/net_node.h>
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#include "checkpoints/checkpoints.h"
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@ -1443,27 +1444,56 @@ namespace cryptonote
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if (!tools::sha256sum(path.string(), file_hash) || (hash != epee::string_tools::pod_to_hex(file_hash)))
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{
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MCDEBUG("updates", "We don't have that file already, downloading");
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const std::string tmppath = path.string() + ".tmp";
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if (epee::file_io_utils::is_file_exist(tmppath))
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{
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MCDEBUG("updates", "We have part of the file already, resuming download");
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}
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m_last_update_length = 0;
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m_update_download = tools::download_async(path.string(), url, [this, hash](const std::string &path, const std::string &uri, bool success) {
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m_update_download = tools::download_async(tmppath, url, [this, hash, path](const std::string &tmppath, const std::string &uri, bool success) {
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bool remove = false, good = true;
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if (success)
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{
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crypto::hash file_hash;
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if (!tools::sha256sum(path, file_hash))
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if (!tools::sha256sum(tmppath, file_hash))
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{
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MCERROR("updates", "Failed to hash " << path);
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MCERROR("updates", "Failed to hash " << tmppath);
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remove = true;
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good = false;
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}
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if (hash != epee::string_tools::pod_to_hex(file_hash))
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else if (hash != epee::string_tools::pod_to_hex(file_hash))
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{
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MCERROR("updates", "Download from " << uri << " does not match the expected hash");
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remove = true;
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good = false;
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}
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MCLOG_CYAN(el::Level::Info, "updates", "New version downloaded to " << path);
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}
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else
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{
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MCERROR("updates", "Failed to download " << uri);
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good = false;
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}
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boost::unique_lock<boost::mutex> lock(m_update_mutex);
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m_update_download = 0;
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if (success && !remove)
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{
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std::error_code e = tools::replace_file(tmppath, path.string());
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if (e)
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{
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MCERROR("updates", "Failed to rename downloaded file");
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good = false;
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}
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}
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else if (remove)
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{
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if (!boost::filesystem::remove(tmppath))
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{
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MCERROR("updates", "Failed to remove invalid downloaded file");
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good = false;
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}
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}
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if (good)
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MCLOG_CYAN(el::Level::Info, "updates", "New version downloaded to " << path.string());
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}, [this](const std::string &path, const std::string &uri, size_t length, ssize_t content_length) {
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if (length >= m_last_update_length + 1024 * 1024 * 10)
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{
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