ddnet/src/engine/client/fetcher.cpp
heinrich5991 94acac91a0 Overhauled job system
The engine now takes `std::shared_ptr<IJob>`, this will ensure the
appropriate lifetime of the given parameters, it also allows for proper
destruction. Remove the now obsolete `IFetcher` interface and `CFetcher`
class.

Also adds some locks to `CUpdater`, previously it didn't have any locks
at all.
2017-11-23 15:47:38 +01:00

143 lines
4.1 KiB
C++

#include <base/system.h>
#include <engine/engine.h>
#include <engine/storage.h>
#include <engine/shared/config.h>
#include <game/version.h>
#define WIN32_LEAN_AND_MEAN
#include "curl/curl.h"
#include "curl/easy.h"
#include "fetcher.h"
double CFetchTask::Current() const { return m_Current; }
double CFetchTask::Size() const { return m_Size; }
int CFetchTask::Progress() const { return m_Progress; }
int CFetchTask::State() const { return m_State; }
const char *CFetchTask::Dest() const { return m_aDest; }
void CFetchTask::Abort() { m_Abort = true; };
CFetchTask::CFetchTask(IStorage *pStorage, const char *pUrl, const char *pDest, int StorageType, bool UseDDNetCA, bool CanTimeout) :
m_pStorage(pStorage),
m_StorageType(StorageType),
m_UseDDNetCA(UseDDNetCA),
m_CanTimeout(CanTimeout),
m_Size(0),
m_Progress(0),
m_State(CFetchTask::STATE_QUEUED),
m_Abort(false)
{
str_copy(m_aUrl, pUrl, sizeof(m_aUrl));
str_copy(m_aDest, pDest, sizeof(m_aDest));
}
bool FetcherInit()
{
return !curl_global_init(CURL_GLOBAL_DEFAULT);
}
void EscapeUrl(char *pBuf, int Size, const char *pStr)
{
char *pEsc = curl_easy_escape(0, pStr, 0);
str_copy(pBuf, pEsc, Size);
curl_free(pEsc);
}
void CFetchTask::Run()
{
CURL *pHandle = curl_easy_init();
if(!pHandle)
{
m_State = STATE_ERROR;
return;
}
char aPath[512];
if(m_StorageType == -2)
m_pStorage->GetBinaryPath(m_aDest, aPath, sizeof(aPath));
else
m_pStorage->GetCompletePath(m_StorageType, m_aDest, aPath, sizeof(aPath));
if(fs_makedir_rec_for(aPath) < 0)
dbg_msg("fetcher", "i/o error, cannot create folder for: %s", aPath);
IOHANDLE File = io_open(aPath, IOFLAG_WRITE);
if(!File)
{
dbg_msg("fetcher", "i/o error, cannot open file: %s", m_aDest);
m_State = CFetchTask::STATE_ERROR;
return;
}
char aErr[CURL_ERROR_SIZE];
curl_easy_setopt(pHandle, CURLOPT_ERRORBUFFER, aErr);
//curl_easy_setopt(pHandle, CURLOPT_VERBOSE, 1L);
if(m_CanTimeout)
{
curl_easy_setopt(pHandle, CURLOPT_CONNECTTIMEOUT_MS, (long)g_Config.m_ClHTTPConnectTimeoutMs);
curl_easy_setopt(pHandle, CURLOPT_LOW_SPEED_LIMIT, (long)g_Config.m_ClHTTPLowSpeedLimit);
curl_easy_setopt(pHandle, CURLOPT_LOW_SPEED_TIME, (long)g_Config.m_ClHTTPLowSpeedTime);
}
else
{
curl_easy_setopt(pHandle, CURLOPT_CONNECTTIMEOUT_MS, 0);
curl_easy_setopt(pHandle, CURLOPT_LOW_SPEED_LIMIT, 0);
curl_easy_setopt(pHandle, CURLOPT_LOW_SPEED_TIME, 0);
}
curl_easy_setopt(pHandle, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(pHandle, CURLOPT_MAXREDIRS, 4L);
curl_easy_setopt(pHandle, CURLOPT_FAILONERROR, 1L);
if(m_UseDDNetCA)
{
char aCAFile[512];
m_pStorage->GetBinaryPath("data/ca-ddnet.pem", aCAFile, sizeof aCAFile);
curl_easy_setopt(pHandle, CURLOPT_CAINFO, aCAFile);
}
curl_easy_setopt(pHandle, CURLOPT_URL, m_aUrl);
curl_easy_setopt(pHandle, CURLOPT_WRITEDATA, File);
curl_easy_setopt(pHandle, CURLOPT_WRITEFUNCTION, WriteCallback);
curl_easy_setopt(pHandle, CURLOPT_NOPROGRESS, 0);
curl_easy_setopt(pHandle, CURLOPT_PROGRESSDATA, this);
curl_easy_setopt(pHandle, CURLOPT_PROGRESSFUNCTION, ProgressCallback);
curl_easy_setopt(pHandle, CURLOPT_NOSIGNAL, 1L);
curl_easy_setopt(pHandle, CURLOPT_USERAGENT, "DDNet " GAME_RELEASE_VERSION " (" CONF_PLATFORM_STRING "; " CONF_ARCH_STRING ")");
dbg_msg("fetcher", "downloading %s", m_aDest);
m_State = CFetchTask::STATE_RUNNING;
int Ret = curl_easy_perform(pHandle);
io_close(File);
if(Ret != CURLE_OK)
{
dbg_msg("fetcher", "task failed. libcurl error: %s", aErr);
m_State = (Ret == CURLE_ABORTED_BY_CALLBACK) ? CFetchTask::STATE_ABORTED : CFetchTask::STATE_ERROR;
}
else
{
dbg_msg("fetcher", "task done %s", m_aDest);
m_State = CFetchTask::STATE_DONE;
}
curl_easy_cleanup(pHandle);
OnCompletion();
}
size_t CFetchTask::WriteCallback(char *pData, size_t Size, size_t Number, void *pFile)
{
return io_write((IOHANDLE)pFile, pData, Size * Number);
}
int CFetchTask::ProgressCallback(void *pUser, double DlTotal, double DlCurr, double UlTotal, double UlCurr)
{
CFetchTask *pTask = (CFetchTask *)pUser;
pTask->m_Current = DlCurr;
pTask->m_Size = DlTotal;
pTask->m_Progress = (100 * DlCurr) / (DlTotal ? DlTotal : 1);
pTask->OnProgress();
return pTask->m_Abort ? -1 : 0;
}