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Current File : //usr/share/emscripten/tests/http.cpp //
// http.cpp
// Player Javascript
//
// Created by Anthony Liot on 23/11/12.
//
#include "http.h"
#include <emscripten/emscripten.h>
#include <stdio.h>
#include <stdlib.h>
int http::uid = 0;
/*
- Useful for download an url on other domain
<?php
header("Access-Control-Allow-Origin: *");
// verifie si on a les bons parametres
if( isset($_GET['url']) ) {
$fileName = $_GET['url'];
if($f = fopen($fileName,'rb') ){
$fSize = 0;
while(!feof($f)){
++$fSize;
$data = fread($f,1);
}
fclose($f);
if( $fSize < 1 ) {
header($_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found');
echo 'For empty file ' . $fileName;
die();
} else {
header("POST ".$fileName." HTTP/1.1\r\n");
header('Content-Description: File Transfer');
header('Content-Transfer-Encoding: binary');
header('Content-Disposition: attachment; filename="' . basename($fileName) . "\";");
header('Content-Type: application/octet-stream');
header('Content-Length: '.$fSize);
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
ob_clean();
flush();
readfile($fileName);
exit;
}
} else {
header($_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found');
echo 'For filename ' . $fileName;
}
} else {
header($_SERVER['SERVER_PROTOCOL'] . ' 403 Forbidden');
}
?>
*/
// http://..../download.php?url=
std::string http::cross_domain = "";
//----------------------------------------------------------------------------------------
// HTTP CLASS
//----------------------------------------------------------------------------------------
void http::onLoaded(unsigned handle, void* parent, const char * file) {
http* req = reinterpret_cast<http*>(parent);
req->onLoaded(file);
}
void http::onError(unsigned handle, void* parent, int statuserror) {
http* req = reinterpret_cast<http*>(parent);
req->onError(statuserror);
}
void http::onProgress(unsigned handle, void* parent, int progress) {
http* req = reinterpret_cast<http*>(parent);
req->onProgress(progress);
}
/**
* Constructeur
*/
http::http(const char* hostname, int requestType, const char* targetFilename) : _hostname(hostname), _page(""), _targetFileName(targetFilename), _param(""), _content(""), _error(""), _request((RequestType)requestType), _status(ST_PENDING), _assync(ASSYNC_THREAD) {
_progressValue = -1;
_uid = uid++;
}
/**
* Destructeur
*/
http::~http() {
}
/**
* Effectue la requete
*/
void http::runRequest(const char* page, int assync) {
_page = page;
_status = ST_PENDING;
_assync = (AssyncMode)assync;
_progressValue = 0;
std::string url = cross_domain;
url += _hostname + _page;
if (_hostname.size() > 0 && _page.size() > 0) {
printf("URL : %s\n",url.c_str());
printf("REQUEST : %s\n",(_request==REQUEST_GET) ? "GET":"POST");
printf("PARAMS : %s\n",_param.c_str());
if (_targetFileName.size() == 0 ) {
_targetFileName = format("prepare%d",_uid);
}
_handle = emscripten_async_wget2(url.c_str(), _targetFileName.c_str(), (_request==REQUEST_GET) ? "GET":"POST", _param.c_str(), this, http::onLoaded, http::onError, http::onProgress);
} else {
_error = format("malformed url : %s\n",url.c_str());
_content = "";
_status = ST_FAILED;
_progressValue = -1;
}
}
/**
* Abort the request
*/
void http::abortRequest() {
emscripten_async_wget2_abort(_handle);
}
/**
* Accede a la reponse
*/
const char* http::getContent() {
return _content.c_str();
}
/**
* Accede a l'erreur
*/
const char* http::getError() {
return _error.c_str();
}
/**
* Accede au status
*/
int http::getStatus() {
return _status;
}
/**
* Accede a la progression between 0 & 100
*/
float http::getProgress() {
return (float)_progressValue;
}
/**
* Accede a la progression between 0 & 100
*/
int http::getId() {
return _uid;
}
/**
* Post
*/
void http::addValue(const char* key, const char* value) {
if (_param.size() > 0) {
_param += "&";
_param += key;
_param += "=";
_param += value;
} else {
_param += key;
_param += "=";
_param += value;
}
}
void http::onProgress(int progress) {
_progressValue = progress;
}
void http::onLoaded(const char* file) {
if (strstr(file,"prepare")) {
FILE* f = fopen(file,"rb");
if (f) {
fseek (f, 0, SEEK_END);
int size=ftell (f);
fseek (f, 0, SEEK_SET);
char* data = new char[size];
fread(data,size,1,f);
_content = data;
delete data;
fclose(f);
} else {
_content = file;
}
} else {
_content = file;
}
_progressValue = 100;
_status = ST_OK;
}
void http::onError(int error) {
printf("Error status : %d\n",error);
_error = "";
_content = "";
_status = ST_FAILED;
_progressValue = -1;
}
/// TEST
int num_request = 0;
float time_elapsed = 0.0f;
void wait_https() {
if (num_request == 0) {
printf("End of all download ... %fs\n",(emscripten_get_now() - time_elapsed) / 1000.f);
emscripten_cancel_main_loop();
int result = 0;
REPORT_RESULT();
}
}
void wait_http(void* request) {
http* req = reinterpret_cast<http*>(request);
if (req != 0) {
if (req->getStatus() == http::ST_PENDING) {
if ((int)req->getProgress()>0) {
printf("Progress Request n°%d : %d\n",req->getId(),(int)req->getProgress());
}
emscripten_async_call(wait_http,request,500);
} else {
if (req->getStatus() == http::ST_OK) {
printf("Success Request n°%d : %s\n",req->getId(),req->getContent());
} else {
printf("Error Request n°%d : %s\n",req->getId(), req->getError());
}
num_request --;
}
} else {
num_request --;
}
}
int main() {
time_elapsed = emscripten_get_now();
http* http1 = new http("http://localhost/~boristsarev",http::REQUEST_GET,"Demo1.js");
http1->runRequest("/download.php?url=Demo1.js",http::ASSYNC_THREAD);
http* http2 = new http("https://github.com",http::REQUEST_GET,"wolfviking_master.zip");
http2->runRequest("/wolfviking0/image.js/archive/master.zip",http::ASSYNC_THREAD);
http2->abortRequest();
http* http3 = new http("https://raw.github.com",http::REQUEST_GET);
http3->runRequest("/kripken/emscripten/master/LICENSE",http::ASSYNC_THREAD);
num_request ++;
emscripten_async_call(wait_http,http1,500);
num_request ++;
emscripten_async_call(wait_http,http2,500);
num_request ++;
emscripten_async_call(wait_http,http3,500);
/*
Http* http4 = new Http("http://www.---.com",Http::REQUEST_POST);
http4->addValue("app","123");
http4->runRequest("/test.php",Http::ASSYNC_THREAD);
num_request ++;
emscripten_async_call(wait_http,http4,500);
*/
emscripten_set_main_loop(wait_https, 0, 0);
}
Server : Apache/2.4.41 (Ubuntu)