First version of server side avatar upload feature (support for external avatar server). Still hard coded, cannot be configured.

This commit is contained in:
lotodore
2009-02-21 23:33:30 +00:00
parent f78de09078
commit e7c70ad9ad
14 changed files with 560 additions and 153 deletions
+7 -124
View File
@@ -21,148 +21,31 @@
#include <net/downloadhelper.h>
#include <net/netexception.h>
#include <net/socket_msg.h>
#include <curl/curl.h>
#include <net/transferdata.h>
#include <cstdio>
using namespace std;
struct DownloadData
{
CURL *curlHandle;
CURLM *curlMultiHandle;
FILE *targetFile;
string curlUrl;
};
DownloadHelper::DownloadHelper()
{
m_data.reset(new DownloadData);
m_data->curlHandle = NULL;
m_data->curlMultiHandle = NULL;
m_data->targetFile = NULL;
}
DownloadHelper::~DownloadHelper()
{
Cleanup();
}
void
DownloadHelper::Init(const string &url, const string &targetFileName)
DownloadHelper::InternalInit(const string &/*url*/, const string &targetFileName, const string &/*user*/, const string &/*password*/)
{
// Open target file for writing.
m_data->targetFile = fopen(targetFileName.c_str(), "wb");
if (!m_data->targetFile)
throw NetException(__FILE__, __LINE__, ERR_SOCK_DOWNLOAD_OPEN_FAILED, 0);
GetData()->targetFile = fopen(targetFileName.c_str(), "wb");
if (!GetData()->targetFile)
throw NetException(__FILE__, __LINE__, ERR_SOCK_TRANSFER_OPEN_FAILED, 0);
// Initialise curl.
m_data->curlHandle = curl_easy_init();
if (!m_data->curlHandle)
throw NetException(__FILE__, __LINE__, ERR_SOCK_DOWNLOAD_INIT_FAILED, 0);
m_data->curlMultiHandle = curl_multi_init();
if (!m_data->curlMultiHandle)
throw NetException(__FILE__, __LINE__, ERR_SOCK_DOWNLOAD_INIT_FAILED, 0);
// Use a copy of the url string, because some curl versions require a copy.
m_data->curlUrl = url;
if (curl_easy_setopt(m_data->curlHandle, CURLOPT_URL, m_data->curlUrl.c_str()) != CURLE_OK)
throw NetException(__FILE__, __LINE__, ERR_SOCK_DOWNLOAD_INVALID_URL, 0);
// Assume that the following calls never fail.
curl_easy_setopt(m_data->curlHandle, CURLOPT_WRITEFUNCTION, NULL);
curl_easy_setopt(m_data->curlHandle, CURLOPT_WRITEDATA, m_data->targetFile);
// Use the multi interface for better abort handling.
if (curl_multi_add_handle(m_data->curlMultiHandle, m_data->curlHandle) != CURLM_OK)
throw NetException(__FILE__, __LINE__, ERR_SOCK_DOWNLOAD_INIT_FAILED, 0);
}
bool
DownloadHelper::Process()
{
bool retVal = false;
int runningHandles = 0;
CURLMcode curlResult;
do
{
curlResult = curl_multi_perform(m_data->curlMultiHandle, &runningHandles);
} while (curlResult == CURLM_CALL_MULTI_PERFORM);
if (curlResult != CURLM_OK)
throw NetException(__FILE__, __LINE__, ERR_SOCK_DOWNLOAD_FAILED, 0);
if (runningHandles)
{
struct timeval timeout;
fd_set readSet;
fd_set writeSet;
fd_set exceptSet;
int maxfd = -1;
FD_ZERO(&readSet);
FD_ZERO(&writeSet);
FD_ZERO(&exceptSet);
timeout.tv_sec = 0;
timeout.tv_usec = RECV_TIMEOUT_MSEC * 1000;
curl_multi_fdset(m_data->curlMultiHandle, &readSet, &writeSet, &exceptSet, &maxfd);
if (maxfd >= 0)
{
int selectResult = select(maxfd+1, &readSet, &writeSet, &exceptSet, &timeout);
if (!IS_VALID_SELECT(selectResult))
throw NetException(__FILE__, __LINE__, ERR_SOCK_DOWNLOAD_SELECT_FAILED, SOCKET_ERRNO());
}
}
else
{
// Retrieve actual error code.
int numMsgs;
CURLMsg *tmpMsg;
CURLcode code = CURLE_FAILED_INIT;
do {
tmpMsg = curl_multi_info_read(m_data->curlMultiHandle, &numMsgs);
if (tmpMsg)
code = tmpMsg->data.result;
} while (tmpMsg && tmpMsg->msg != CURLMSG_DONE);
// Clean up the curl handles.
Cleanup();
// Throw exception if an error occured.
if (code != CURLE_OK)
{
if (code == CURLE_URL_MALFORMAT)
throw NetException(__FILE__, __LINE__, ERR_SOCK_DOWNLOAD_INVALID_URL, 0);
else
throw NetException(__FILE__, __LINE__, ERR_SOCK_DOWNLOAD_FAILED, 0);
}
retVal = true;
}
return retVal;
}
void
DownloadHelper::Cleanup()
{
if (m_data->curlMultiHandle)
{
curl_multi_cleanup(m_data->curlMultiHandle);
m_data->curlMultiHandle = NULL;
}
if (m_data->curlHandle)
{
curl_easy_cleanup(m_data->curlHandle);
m_data->curlHandle = NULL;
}
if (m_data->targetFile)
{
fflush(m_data->targetFile);
fclose(m_data->targetFile);
m_data->targetFile = NULL;
}
curl_easy_setopt(GetData()->curlHandle, CURLOPT_WRITEFUNCTION, NULL);
curl_easy_setopt(GetData()->curlHandle, CURLOPT_WRITEDATA, GetData()->targetFile);
}