demux: adaptative: merge and simplify the http stuff

Allows using tls transport and does
non persistent connection fallback.

modules/demux/Makefile.am

@@ -327,10 +327,8 @@ libdash_plugin_la_SOURCES += \
     demux/adaptative/http/HTTPConnection.h \
     demux/adaptative/http/HTTPConnectionManager.cpp \
     demux/adaptative/http/HTTPConnectionManager.h \
-    demux/adaptative/http/IHTTPConnection.cpp \
-    demux/adaptative/http/IHTTPConnection.h \
-    demux/adaptative/http/PersistentConnection.cpp \
-    demux/adaptative/http/PersistentConnection.h \
+    demux/adaptative/http/Sockets.hpp \
+    demux/adaptative/http/Sockets.cpp \
     demux/adaptative/PlaylistManager.cpp \
     demux/adaptative/PlaylistManager.h \
     demux/adaptative/SegmentTracker.cpp \

modules/demux/adaptative/PlaylistManager.cpp

@@ -102,7 +102,7 @@ bool PlaylistManager::start(demux_t *demux)
         }
     }
 
-    conManager = new (std::nothrow) HTTPConnectionManager(stream);
+    conManager = new (std::nothrow) HTTPConnectionManager(VLC_OBJECT(stream));
     if(!conManager)
         return false;
 

modules/demux/adaptative/Streams.cpp

@@ -20,7 +20,7 @@
 #define __STDC_CONSTANT_MACROS
 #include "Streams.hpp"
 #include "StreamsType.hpp"
-#include "http/HTTPConnection.h"
+#include "http/HTTPConnection.hpp"
 #include "http/HTTPConnectionManager.h"
 #include "http/Chunk.h"
 #include "logic/AbstractAdaptationLogic.h"
@@ -179,21 +179,22 @@ size_t Stream::read(HTTPConnectionManager *connManager)
 
     size_t readsize = 0;
 
-    /* Because we don't know Chunk size at start, we need to get size
-       from content length */
+    /* New chunk, do query */
     if(chunk->getBytesRead() == 0)
     {
-        if(chunk->getConnection()->query(chunk->getPath()) == false)
-            readsize = 32768; /* we don't handle retry here :/ */
-        else
-            readsize = chunk->getBytesToRead();
-    }
-    else
-    {
-        readsize = chunk->getBytesToRead();
+        if(chunk->getConnection()->query(chunk->getPath()) != VLC_SUCCESS)
+        {
+            chunk->getConnection()->releaseChunk();
+            currentChunk = NULL;
+            delete chunk;
+            return 0;
+        }
     }
 
-    if (readsize > 128000)
+    /* Because we don't know Chunk size at start, we need to get size
+       from content length */
+    readsize = chunk->getBytesToRead();
+    if (readsize > 32768)
         readsize = 32768;
 
     block_t *block = block_Alloc(readsize);
@@ -204,7 +205,7 @@ size_t Stream::read(HTTPConnectionManager *connManager)
     ssize_t ret = chunk->getConnection()->read(block->p_buffer, readsize);
     time = mdate() - time;
 
-    if(ret <= 0)
+    if(ret < 0)
     {
         block_Release(block);
         chunk->getConnection()->releaseChunk();

modules/demux/adaptative/http/Chunk.cpp

@@ -44,7 +44,13 @@ Chunk::Chunk        (const std::string& url) :
 {
     this->url = url;
 
-    if(url.compare(0, 7, "http://"))
+    std::size_t pos = url.find("://");
+    if(pos != std::string::npos)
+    {
+        scheme = url.substr(0, pos);
+    }
+
+    if(scheme != "http" && scheme != "https")
         throw VLC_EGENERIC;
 
     vlc_url_t url_components;
@@ -52,7 +58,8 @@ Chunk::Chunk        (const std::string& url) :
 
     if(url_components.psz_path)
         path = url_components.psz_path;
-    port = url_components.i_port ? url_components.i_port : 80;
+    port = url_components.i_port ? url_components.i_port :
+                         ((scheme == "https") ? 443 : 80);
     if(url_components.psz_host)
         hostname = url_components.psz_host;
 
@@ -103,6 +110,12 @@ int                 Chunk::getBitrate           ()
 {
     return this->bitrate;
 }
+
+const std::string&  Chunk::getScheme            () const
+{
+    return scheme;
+}
+
 const std::string&  Chunk::getHostname          () const
 {
     return hostname;

modules/demux/adaptative/http/Chunk.h

@@ -44,6 +44,7 @@ namespace adaptative
                 size_t              getEndByte              () const;
                 size_t              getStartByte            () const;
                 const std::string&  getUrl                  () const;
+                const std::string&  getScheme               () const;
                 const std::string&  getHostname             () const;
                 const std::string&  getPath                 () const;
                 int                 getPort                 () const;
@@ -68,6 +69,7 @@ namespace adaptative
 
             private:
                 std::string                 url;
+                std::string                 scheme;
                 std::string                 path;
                 std::string                 hostname;
                 std::vector<std::string>    optionalUrls;

modules/demux/adaptative/http/HTTPConnection.cpp

 /*
  * HTTPConnection.cpp
  *****************************************************************************
- * Copyright (C) 2010 - 2011 Klagenfurt University
- *
- * Created on: Aug 10, 2010
- * Authors: Christopher Mueller <christopher.mueller@itec.uni-klu.ac.at>
- *          Christian Timmerer  <christian.timmerer@itec.uni-klu.ac.at>
+ * Copyright (C) 2014-2015 - VideoLAN Authors
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as published
@@ -21,29 +17,186 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
 
-#include "HTTPConnection.h"
+#include "HTTPConnection.hpp"
+#include "Sockets.hpp"
 #include "Chunk.h"
+#include "../adaptative/tools/Helper.h"
 
 #include <sstream>
 
 using namespace adaptative::http;
 
-HTTPConnection::HTTPConnection  (stream_t *stream, Chunk *chunk_) :
-                IHTTPConnection (stream)
+HTTPConnection::HTTPConnection(vlc_object_t *stream_, Socket *socket_,
+                               Chunk *chunk_, bool persistent)
 {
+    socket = socket_;
+    stream = stream_;
+    psz_useragent = var_InheritString(stream, "http-user-agent");
     toRead = 0;
     chunk = NULL;
+    queryOk = false;
+    retries = 0;
+    connectionClose = !persistent;
     bindChunk(chunk_);
 }
 
-std::string HTTPConnection::buildRequestHeader(const std::string &path) const
+HTTPConnection::~HTTPConnection()
+{
+    free(psz_useragent);
+    delete socket;
+}
+
+bool HTTPConnection::connect(const std::string &hostname, int port)
+{
+    if(!socket->connect(stream, hostname.c_str(), port))
+        return false;
+
+    this->hostname = hostname;
+
+    return true;
+}
+
+bool HTTPConnection::connected() const
+{
+    return socket->connected();
+}
+
+void HTTPConnection::disconnect()
+{
+    queryOk = false;
+    toRead = 0;
+    socket->disconnect();
+}
+
+int HTTPConnection::query(const std::string &path)
+{
+    if(!chunk)
+        return VLC_EGENERIC;
+
+    queryOk = false;
+
+    if(!connected() &&
+       !connect(chunk->getHostname(), chunk->getPort()))
+        return VLC_EGENERIC;
+
+    std::string header = buildRequestHeader(path);
+    if(connectionClose)
+        header.append("Connection: close\r\n");
+    header.append("\r\n");
+
+    if(!send( header ))
+    {
+        socket->disconnect();
+        if(!connectionClose)
+        {
+            /* server closed connection pipeline after last req. need new */
+            connectionClose = true;
+            return query(path);
+        }
+        return VLC_EGENERIC;
+    }
+
+    int i_ret = parseReply();
+    if(i_ret == VLC_SUCCESS)
+    {
+        queryOk = true;
+    }
+    else if(i_ret == VLC_EGENERIC)
+    {
+        socket->disconnect();
+        if(!connectionClose)
+        {
+            connectionClose = true;
+            return query(path);
+        }
+    }
+
+    return i_ret;
+}
+
+ssize_t HTTPConnection::read(void *p_buffer, size_t len)
 {
-    std::string req = IHTTPConnection::buildRequestHeader(path);
-    return req.append("Connection: close\r\n");
+    if(!chunk || !connected() ||
+       (!queryOk && chunk->getBytesRead() == 0) )
+        return VLC_EGENERIC;
+
+    if(len == 0)
+        return VLC_SUCCESS;
+
+    queryOk = false;
+
+    if(chunk->getBytesToRead() == 0)
+        return VLC_SUCCESS;
+
+    if(len > chunk->getBytesToRead())
+        len = chunk->getBytesToRead();
+
+    ssize_t ret = socket->read(stream, p_buffer, len, true);
+    if(ret >= 0)
+        chunk->setBytesRead(chunk->getBytesRead() + ret);
+
+    if(ret < 0 || (size_t)ret < len) /* set EOF */
+    {
+        chunk->setBytesToRead(chunk->getBytesRead());
+        socket->disconnect();
+        return VLC_EGENERIC;
+    }
+
+    return ret;
+}
+
+bool HTTPConnection::send(const std::string &data)
+{
+    return send(data.c_str(), data.length());
+}
+
+bool HTTPConnection::send(const void *buf, size_t size)
+{
+    return socket->send(stream, buf, size);
+}
+
+int HTTPConnection::parseReply()
+{
+    std::string line = readLine();
+
+    if(line.empty())
+        return VLC_EGENERIC;
+
+    if (line.compare(0, 9, "HTTP/1.1 ")!=0)
+        return VLC_ENOOBJ;
+
+    std::istringstream ss(line.substr(9));
+    int replycode;
+    ss >> replycode;
+    if (replycode != 200 && replycode != 206)
+        return VLC_ENOOBJ;
+
+    readLine();
+
+    while(!line.empty() && line.compare("\r\n"))
+    {
+        size_t split = line.find_first_of(':');
+        size_t value = split + 1;
+
+        while(line.at(value) == ' ')
+            value++;
+
+        onHeader(line.substr(0, split), line.substr(value));
+        line = readLine();
+    }
+
+    return VLC_SUCCESS;
+}
+
+std::string HTTPConnection::readLine()
+{
+    return socket->readline(stream);
+}
+
+const std::string& HTTPConnection::getHostname() const
+{
+    return hostname;
 }
 
 void HTTPConnection::bindChunk(Chunk *chunk_)
@@ -57,6 +210,15 @@ void HTTPConnection::bindChunk(Chunk *chunk_)
 
 void HTTPConnection::releaseChunk()
 {
+    if(!connectionClose &&
+       (!chunk || chunk->getBytesRead() == toRead) ) /* We can't resend request if we haven't finished reading */
+    {
+        queryOk = false;
+        toRead = 0;
+    }
+    else
+        disconnect();
+
     if(chunk)
     {
         chunk->setConnection(NULL);
@@ -64,6 +226,11 @@ void HTTPConnection::releaseChunk()
     }
 }
 
+bool HTTPConnection::isAvailable() const
+{
+    return chunk == NULL;
+}
+
 void HTTPConnection::onHeader(const std::string &key,
                               const std::string &value)
 {
@@ -75,6 +242,20 @@ void HTTPConnection::onHeader(const std::string &key,
         chunk->setLength(length);
         toRead = length;
     }
+    else if (key == "Connection" && value =="close")
+    {
+        connectionClose = true;
+    }
+}
+
+std::string HTTPConnection::buildRequestHeader(const std::string &path) const
+{
+    std::stringstream req;
+    req << "GET " << path << " HTTP/1.1\r\n" <<
+           "Host: " << hostname << "\r\n" <<
+           "User-Agent: " << std::string(psz_useragent) << "\r\n";
+    req << extraRequestHeaders();
+    return req.str();
 }
 
 std::string HTTPConnection::extraRequestHeaders() const
@@ -89,13 +270,3 @@ std::string HTTPConnection::extraRequestHeaders() const
     }
     return ss.str();
 }
-
-bool HTTPConnection::isAvailable() const
-{
-    return chunk == NULL;
-}
-
-void HTTPConnection::disconnect()
-{
-    toRead = 0;
-}

modules/demux/adaptative/http/IHTTPConnection.h → modules/demux/adaptative/http/HTTPConnection.hpp

 /*
- * IHTTPConnection.h
+ * HTTPConnection.hpp
  *****************************************************************************
  * Copyright (C) 2010 - 2011 Klagenfurt University
+ *               2014 - 2015 VideoLAN Authors
  *
  * Created on: Aug 10, 2010
  * Authors: Christopher Mueller <christopher.mueller@itec.uni-klu.ac.at>
@@ -21,9 +22,8 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
-
-#ifndef IHTTPCONNECTION_H_
-#define IHTTPCONNECTION_H_
+#ifndef HTTPCONNECTION_H_
+#define HTTPCONNECTION_H_
 
 #ifdef HAVE_CONFIG_H
 # include "config.h"
@@ -36,37 +36,52 @@ namespace adaptative
 {
     namespace http
     {
-        class IHTTPConnection
+        class Socket;
+        class Chunk;
+
+        class HTTPConnection
         {
             public:
-                IHTTPConnection(stream_t *stream);
-                virtual ~IHTTPConnection();
+                HTTPConnection(vlc_object_t *stream, Socket *, Chunk * = NULL, bool = false);
+                virtual ~HTTPConnection();
 
                 virtual bool    connect     (const std::string& hostname, int port = 80);
                 virtual bool    connected   () const;
-                virtual bool    query       (const std::string& path);
+                virtual int     query       (const std::string& path);
                 virtual bool    send        (const void *buf, size_t size);
                 virtual ssize_t read        (void *p_buffer, size_t len);
                 virtual void    disconnect  ();
                 virtual bool    send        (const std::string &data);
 
+                const std::string&  getHostname () const;
+                virtual void    bindChunk   (Chunk *chunk);
+                virtual bool    isAvailable () const;
+                virtual void    releaseChunk();
+
             protected:
 
-                virtual void    onHeader    (const std::string &key,
-                                             const std::string &value) = 0;
-                virtual std::string extraRequestHeaders() const = 0;
+                virtual void    onHeader    (const std::string &line,
+                                             const std::string &value);
+                virtual std::string extraRequestHeaders() const;
                 virtual std::string buildRequestHeader(const std::string &path) const;
 
-                bool parseReply();
+                int parseReply();
                 std::string readLine();
                 std::string hostname;
                 char * psz_useragent;
-                stream_t   *stream;
+                vlc_object_t *stream;
+                size_t toRead;
+                Chunk *chunk;
+
+                bool                connectionClose;
+                bool                queryOk;
+                int                 retries;
+                static const int    retryCount = 5;
 
             private:
-                int         httpSocket;
-        };
+                Socket *socket;
+       };
     }
 }
 
-#endif /* IHTTPCONNECTION_H_ */
+#endif /* HTTPCONNECTION_H_ */

modules/demux/adaptative/http/HTTPConnectionManager.cpp

@@ -26,16 +26,15 @@
 #endif
 
 #include "HTTPConnectionManager.h"
-#include "PersistentConnection.h"
+#include "HTTPConnection.hpp"
 #include "Chunk.h"
-
-#include <vlc_stream.h>
+#include "Sockets.hpp"
 
 using namespace adaptative::http;
 
 const uint64_t  HTTPConnectionManager::CHUNKDEFAULTBITRATE    = 1;
 
-HTTPConnectionManager::HTTPConnectionManager    (stream_t *stream) :
+HTTPConnectionManager::HTTPConnectionManager    (vlc_object_t *stream) :
                        stream                   (stream)
 {
 }
@@ -52,14 +51,14 @@ void HTTPConnectionManager::closeAllConnections      ()
 
 void HTTPConnectionManager::releaseAllConnections()
 {
-    std::vector<PersistentConnection *>::iterator it;
+    std::vector<HTTPConnection *>::iterator it;
     for(it = connectionPool.begin(); it != connectionPool.end(); ++it)
         (*it)->releaseChunk();
 }
 
-PersistentConnection * HTTPConnectionManager::getConnectionForHost(const std::string &hostname)
+HTTPConnection * HTTPConnectionManager::getConnectionForHost(const std::string &hostname)
 {
-    std::vector<PersistentConnection *>::const_iterator it;
+    std::vector<HTTPConnection *>::const_iterator it;
     for(it = connectionPool.begin(); it != connectionPool.end(); ++it)
     {
         if(!(*it)->getHostname().compare(hostname) && (*it)->isAvailable())
@@ -75,14 +74,20 @@ bool HTTPConnectionManager::connectChunk(Chunk *chunk)
     if(chunk->getConnection())
         return true;
 
-    msg_Dbg(stream, "Retrieving %s", chunk->getUrl().c_str());
+    msg_Dbg(stream, "Retrieving %s @%ld", chunk->getUrl().c_str(), chunk->getStartByte());
 
-    PersistentConnection *conn = getConnectionForHost(chunk->getHostname());
+    HTTPConnection *conn = getConnectionForHost(chunk->getHostname());
     if(!conn)
     {
-        conn = new PersistentConnection(stream, chunk);
+        Socket *socket = new (std::nothrow) Socket();
+        if(!socket)
+            return false;
+        conn = new (std::nothrow) HTTPConnection(stream, socket, chunk, true);
         if(!conn)
+        {
+            delete socket;
             return false;
+        }
         connectionPool.push_back(conn);
         if (!chunk->getConnection()->connect(chunk->getHostname(), chunk->getPort()))
             return false;

modules/demux/adaptative/http/HTTPConnectionManager.h

@@ -37,13 +37,13 @@ namespace adaptative
 {
     namespace http
     {
-        class PersistentConnection;
+        class HTTPConnection;
         class Chunk;
 
         class HTTPConnectionManager
         {
             public:
-                HTTPConnectionManager           (stream_t *stream);
+                HTTPConnectionManager           (vlc_object_t *stream);
                 virtual ~HTTPConnectionManager  ();
 
                 void    closeAllConnections ();
@@ -51,12 +51,12 @@ namespace adaptative
                 bool    connectChunk        (Chunk *chunk);
 
             private:
-                std::vector<PersistentConnection *>                 connectionPool;
-                stream_t                                            *stream;
+                std::vector<HTTPConnection *>                       connectionPool;
+                vlc_object_t                                       *stream;
 
                 static const uint64_t   CHUNKDEFAULTBITRATE;
 
-                PersistentConnection *                  getConnectionForHost    (const std::string &hostname);
+                HTTPConnection * getConnectionForHost    (const std::string &hostname);
         };
     }
 }

modules/demux/adaptative/http/IHTTPConnection.cpp

-/*
- * IHTTPConnection.cpp
- *****************************************************************************
- * Copyright (C) 2014 - VideoLAN Authors
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation; either version 2.1 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-#include "IHTTPConnection.h"
-#include "Chunk.h"
-#include "../adaptative/tools/Helper.h"
-
-#include <vlc_network.h>
-#include <vlc_stream.h>
-
-#include <sstream>
-
-using namespace adaptative::http;
-
-IHTTPConnection::IHTTPConnection(stream_t *stream_)
-{
-    stream = stream_;
-    httpSocket = -1;
-    psz_useragent = var_InheritString(stream, "http-user-agent");
-}
-
-IHTTPConnection::~IHTTPConnection()
-{
-    disconnect();
-    free(psz_useragent);
-}
-
-bool IHTTPConnection::connect(const std::string &hostname, int port)
-{
-    httpSocket = net_ConnectTCP(stream, hostname.c_str(), port);
-    this->hostname = hostname;
-
-    if(httpSocket == -1)
-        return false;
-
-    return true;
-}
-
-bool IHTTPConnection::connected() const
-{
-    return (httpSocket != -1);
-}
-
-void IHTTPConnection::disconnect()
-{
-    if (httpSocket >= 0)
-    {
-        net_Close(httpSocket);
-        httpSocket = -1;
-    }
-}
-
-bool IHTTPConnection::query(const std::string &path)
-{
-    std::string header = buildRequestHeader(path);
-    header.append("\r\n");
-    if (!send( header ) || !parseReply())
-        return false;
-    return true;
-}
-
-ssize_t IHTTPConnection::read(void *p_buffer, size_t len)
-{
-    ssize_t size = net_Read(stream, httpSocket, NULL, p_buffer, len, true);
-    if(size <= 0)
-        return -1;
-    else
-        return size;
-}
-
-bool IHTTPConnection::send(const std::string &data)
-{
-    return send(data.c_str(), data.length());
-}
-
-bool IHTTPConnection::send(const void *buf, size_t size)
-{
-    if (size == 0)
-        return true;
-
-    if (httpSocket == -1)
-        return false;
-
-    ssize_t ret = net_Write(stream, httpSocket, NULL, buf, size);
-    if (ret <= 0)
-        return false;
-
-    if ( (size_t)ret < size )
-        send( ((uint8_t*)buf) + ret, size - ret );
-
-    return true;
-}
-
-bool IHTTPConnection::parseReply()
-{
-    std::string line = readLine();
-
-    if(line.empty())
-        return false;
-
-    if (line.compare(0, 9, "HTTP/1.1 ")!=0)
-        return false;
-
-    std::istringstream ss(line.substr(9));
-    int replycode;
-    ss >> replycode;
-    if (replycode != 200 && replycode != 206)
-        return false;
-
-    readLine();
-
-    while(!line.empty() && line.compare("\r\n"))
-    {
-        size_t split = line.find_first_of(':');
-        size_t value = split + 1;
-
-        while(line.at(value) == ' ')
-            value++;
-
-        onHeader(line.substr(0, split), line.substr(value));
-        line = readLine();
-    }
-
-    return true;
-}
-
-std::string IHTTPConnection::readLine()
-{
-    std::stringstream ss;
-
-    char *line = ::net_Gets(stream, httpSocket, NULL);
-    if(line == NULL)
-       return "";
-
-    ss << line << "\r\n";
-    ::free(line);
-    return ss.str();
-}
-
-std::string IHTTPConnection::buildRequestHeader(const std::string &path) const
-{
-    std::stringstream req;
-    req << "GET " << path << " HTTP/1.1\r\n" <<
-           "Host: " << hostname << "\r\n" <<
-           "User-Agent: " << std::string(psz_useragent) << "\r\n";
-    req << extraRequestHeaders();
-    return req.str();
-}

modules/demux/adaptative/http/PersistentConnection.cpp

-/*
- * PersistentConnection.cpp
- *****************************************************************************
- * Copyright (C) 2010 - 2012 Klagenfurt University
- *
- * Created on: Aug 10, 2010
- * Authors: Christopher Mueller <christopher.mueller@itec.uni-klu.ac.at>
- *          Christian Timmerer  <christian.timmerer@itec.uni-klu.ac.at>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation; either version 2.1 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include "PersistentConnection.h"
-#include "Chunk.h"
-
-#include <vlc_network.h>
-
-using namespace adaptative::http;
-
-PersistentConnection::PersistentConnection  (stream_t *stream, Chunk *chunk) :
-                      HTTPConnection        (stream, chunk)
-{
-    queryOk = false;
-    retries = 0;
-}
-#include <cassert>
-ssize_t PersistentConnection::read(void *p_buffer, size_t len)
-{
-    if(!chunk)
-        return -1;
-
-    if(len == 0)
-        return 0;
-
-    if(chunk->getBytesRead() == 0 && !queryOk)
-    {
-        if(!query(chunk->getPath()))
-            return -1;
-    }
-
-    assert(connected() && queryOk);
-
-    if(chunk->getBytesToRead() == 0)
-        return 0;
-
-    if(len > chunk->getBytesToRead())
-        len = chunk->getBytesToRead();
-
-    ssize_t ret = IHTTPConnection::read(p_buffer, len);
-    if(ret <= 0)
-    {
-        chunk->setStartByte(chunk->getStartByte() + chunk->getBytesRead());
-        chunk->setBytesRead(0);
-        disconnect();
-        if(retries++ == retryCount || !query(chunk->getPath()))
-            return -1;
-
-        return read(p_buffer, len);
-    }
-
-    retries = 0;
-    chunk->setBytesRead(chunk->getBytesRead() + ret);
-
-    return ret;
-}
-
-bool PersistentConnection::query(const std::string &path)
-{
-    if(!connected() &&
-       !connect(chunk->getHostname(), chunk->getPort()))
-        return false;
-
-    queryOk = IHTTPConnection::query(path);
-    return queryOk;
-}
-
-bool PersistentConnection::connect(const std::string &hostname, int port)
-{
-    assert(!connected());
-    assert(!queryOk);
-    return IHTTPConnection::connect(hostname, port);
-}
-
-void PersistentConnection::releaseChunk()
-{
-    if(!chunk)
-        return;
-    if(toRead > 0 && connected()) /* We can't resend request if we haven't finished reading */
-        disconnect();
-    HTTPConnection::releaseChunk();
-}
-
-void PersistentConnection::disconnect()
-{
-    queryOk = false;
-    IHTTPConnection::disconnect();
-}
-
-const std::string& PersistentConnection::getHostname() const
-{
-    return hostname;
-}
-
-std::string PersistentConnection::buildRequestHeader(const std::string &path) const
-{
-    return IHTTPConnection::buildRequestHeader(path);
-}

modules/demux/adaptative/http/PersistentConnection.h → modules/demux/adaptative/http/Sockets.cpp

 /*
- * PersistentConnection.h
+ * Sockets.cpp
  *****************************************************************************
- * Copyright (C) 2010 - 2012 Klagenfurt University
- *
- * Created on: Aug 10, 2010
- * Authors: Christopher Mueller <christopher.mueller@itec.uni-klu.ac.at>
- *          Christian Timmerer  <christian.timmerer@itec.uni-klu.ac.at>
+ * Copyright (C) 2015 - VideoLAN authors
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as published
@@ -21,39 +17,82 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
+#include "Sockets.hpp"
+
+#include <vlc_network.h>
+#include <cerrno>
+
+using namespace adaptative::http;
+
+Socket::Socket()
+{
+    netfd = -1;
+}
 
-#ifndef PERSISTENTCONNECTION_H_
-#define PERSISTENTCONNECTION_H_
+Socket::~Socket()
+{
+    disconnect();
+}
 
-#include "HTTPConnection.h"
-#include <deque>
+bool Socket::connect(vlc_object_t *stream, const std::string &hostname, int port)
+{
+    netfd = net_ConnectTCP(stream, hostname.c_str(), port);
+
+    if(netfd == -1)
+        return false;
+
+    return true;
+}
+
+bool Socket::connected() const
+{
+    return (netfd != -1);
+}
 
-namespace adaptative
+void Socket::disconnect()
 {
-    namespace http
+    if (netfd >= 0)
     {
-        class PersistentConnection : public HTTPConnection
-        {
-            public:
-                PersistentConnection(stream_t *stream, Chunk *chunk = NULL);
-
-                virtual bool        connect     (const std::string &hostname, int port = 80);
-                virtual bool        query       (const std::string& path);
-                virtual ssize_t     read        (void *p_buffer, size_t len);
-                virtual void        disconnect  ();
-                virtual void        releaseChunk();
-
-                const std::string&  getHostname () const;
-
-            private:
-                bool                queryOk;
-                int                 retries;
-
-            protected:
-                static const int    retryCount = 5;
-                virtual std::string buildRequestHeader(const std::string &path) const;
-        };
+        net_Close(netfd);
+        netfd = -1;
     }
 }
 
-#endif /* PERSISTENTCONNECTION_H_ */
+ssize_t Socket::read(vlc_object_t *stream, void *p_buffer, size_t len, bool retry)
+{
+    ssize_t size;
+    do
+    {
+        size = net_Read(stream, netfd, NULL, p_buffer, len, retry);
+    } while (size < 0 && (errno == EINTR || errno==EAGAIN) );
+    return size;
+}
+
+std::string Socket::readline(vlc_object_t *stream)
+{
+    char *line = ::net_Gets(stream, netfd, NULL);
+    if(line == NULL)
+        return "";
+    std::string ret(line);
+    ::free(line);
+    return ret;
+}
+
+bool Socket::send(vlc_object_t *stream, const void *buf, size_t size)
+{
+    if (netfd == -1)
+        return false;
+
+    if (size == 0)
+        return true;
+
+    ssize_t ret = net_Write(stream, netfd, NULL, buf, size);
+    if (ret <= 0)
+        return false;
+
+    if ( (size_t)ret < size )
+        send( stream, ((uint8_t*)buf) + ret, size - ret );
+
+    return true;
+}
+

modules/demux/adaptative/http/HTTPConnection.h → modules/demux/adaptative/http/Sockets.hpp

 /*
- * HTTPConnection.h
+ * Sockets.hpp
  *****************************************************************************
- * Copyright (C) 2010 - 2011 Klagenfurt University
- *
- * Created on: Aug 10, 2010
- * Authors: Christopher Mueller <christopher.mueller@itec.uni-klu.ac.at>
- *          Christian Timmerer  <christian.timmerer@itec.uni-klu.ac.at>
+ * Copyright (C) 2015 - VideoLAN authors
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as published
@@ -21,38 +17,38 @@
  * along with this program; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
+#ifndef SOCKETS_HPP
+#define SOCKETS_HPP
 
-#ifndef HTTPCONNECTION_H_
-#define HTTPCONNECTION_H_
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
 
+#include <vlc_common.h>
 #include <string>
 
-#include "IHTTPConnection.h"
-//#include "Helper.h"
-
 namespace adaptative
 {
     namespace http
     {
-        class Chunk;
-        class HTTPConnection : public IHTTPConnection
+        class Socket
         {
             public:
-                HTTPConnection          (stream_t *stream, Chunk *chunk = NULL);
-                virtual void    bindChunk   (Chunk *chunk);
-                virtual void    onHeader    (const std::string &line,
-                                             const std::string &value);
-                virtual bool    isAvailable () const;
+                Socket();
+                virtual ~Socket();
+                virtual bool    connect     (vlc_object_t *, const std::string&, int port = 80);
+                virtual bool    connected   () const;
+                virtual bool    send        (vlc_object_t *, const void *buf, size_t size);
+                virtual ssize_t read        (vlc_object_t *, void *p_buffer, size_t len, bool);
+                virtual std::string readline(vlc_object_t *);
                 virtual void    disconnect  ();
-                virtual void    releaseChunk();
 
             protected:
-                size_t toRead;
-                Chunk *chunk;
-                virtual std::string extraRequestHeaders() const;
-                virtual std::string buildRequestHeader(const std::string &path) const;
+                int netfd;
         };
+
     }
 }
 
-#endif /* HTTPCONNECTION_H_ */
+
+#endif // SOCKETS_HPP