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#include <stdlib.h>
#include <iostream>
#include <sstream>
#include <string>
#include <time.h>
#include "Config.h"
#include "Client.h"
#include "interface/Point.h"
#include "Graphics.h"
Client::Client()
{
int i = 0;
http_init(NULL);
for(i = 0; i < THUMB_CACHE_SIZE; i++)
{
thumbnailCache[i] = NULL;
}
for(i = 0; i < IMGCONNS; i++)
{
activeThumbRequests[i] = NULL;
activeThumbRequestTimes[i] = 0;
activeThumbRequestCompleteTimes[i] = 0;
}
}
Client::~Client()
{
http_done();
}
void Client::ClearThumbnailRequests()
{
for(int i = 0; i < IMGCONNS; i++)
{
if(activeThumbRequests[i])
{
http_async_req_close(activeThumbRequests[i]);
activeThumbRequests[i] = NULL;
activeThumbRequestTimes[i] = 0;
activeThumbRequestCompleteTimes[i] = 0;
}
}
}
Thumbnail * Client::GetThumbnail(int saveID, int saveDate)
{
std::stringstream urlStream;
std::stringstream idStream;
int i = 0, currentTime = time(NULL);
//Check active requests for any "forgotten" requests
for(i = 0; i < IMGCONNS; i++)
{
//If the request is active, and we've recieved a response
if(activeThumbRequests[i] && http_async_req_status(activeThumbRequests[i]))
{
//If we haven't already, mark the request as completed
if(!activeThumbRequestCompleteTimes[i])
{
activeThumbRequestCompleteTimes[i] = time(NULL);
}
else if(activeThumbRequestCompleteTimes[i] < (currentTime-20)) //Otherwise, if it completed more than 10 seconds ago, destroy it.
{
http_async_req_close(activeThumbRequests[i]);
activeThumbRequests[i] = NULL;
activeThumbRequestTimes[i] = 0;
activeThumbRequestCompleteTimes[i] = 0;
}
}
}
for(i = 0; i < THUMB_CACHE_SIZE; i++)
{
if(thumbnailCache[i] && thumbnailCache[i]->ID == saveID && thumbnailCache[i]->Datestamp == saveDate)
return thumbnailCache[i];
}
urlStream << "http://" << SERVER << "/Get.api?Op=thumbsmall&ID=" << saveID;
if(saveDate)
{
urlStream << "&Date=" << saveDate;
}
idStream << saveID << ":" << saveDate;
std::string idString = idStream.str();
bool found = false;
for(i = 0; i < IMGCONNS; i++)
{
if(activeThumbRequests[i] && activeThumbRequestIDs[i] == idString)
{
found = true;
if(http_async_req_status(activeThumbRequests[i]))
{
pixel * thumbData;
char * data;
int status, data_size, imgw, imgh;
data = http_async_req_stop(activeThumbRequests[i], &status, &data_size);
activeThumbRequests[i] = NULL;
if (status == 200 && data)
{
thumbData = Graphics::ptif_unpack(data, data_size, &imgw, &imgh);
if(data)
{
free(data);
}
thumbnailCacheNextID %= THUMB_CACHE_SIZE;
if(thumbnailCache[thumbnailCacheNextID])
{
delete thumbnailCache[thumbnailCacheNextID];
}
if(thumbData)
{
thumbnailCache[thumbnailCacheNextID] = new Thumbnail(saveID, saveDate, thumbData, ui::Point(imgw, imgh));
}
else
{
thumbnailCache[thumbnailCacheNextID] = new Thumbnail(saveID, saveDate, (pixel *)malloc((128*128) * PIXELSIZE), ui::Point(128, 128));
}
return thumbnailCache[thumbnailCacheNextID++];
}
else
{
if(data)
{
free(data);
}
thumbnailCacheNextID %= THUMB_CACHE_SIZE;
if(thumbnailCache[thumbnailCacheNextID])
{
delete thumbnailCache[thumbnailCacheNextID];
}
thumbnailCache[thumbnailCacheNextID] = new Thumbnail(saveID, saveDate, (pixel *)malloc((128*128) * PIXELSIZE), ui::Point(128, 128));
return thumbnailCache[thumbnailCacheNextID++];
}
}
else if(activeThumbRequestTimes[i] < currentTime-HTTP_TIMEOUT)
{
//
}
}
}
if(!found)
{
for(i = 0; i < IMGCONNS; i++)
{
if(!activeThumbRequests[i])
{
activeThumbRequests[i] = http_async_req_start(NULL, (char *)urlStream.str().c_str(), NULL, 0, 1);
activeThumbRequestTimes[i] = currentTime;
activeThumbRequestCompleteTimes[i] = 0;
std::cout << "ThumbCache: Requesting " << urlStream.str() << " : " << idString << std::endl;
activeThumbRequestIDs[i] = idString;
return NULL;
}
}
}
//http_async_req_start(http, urlStream.str().c_str(), NULL, 0, 1);
return NULL;
}
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