1 files changed, 327 insertions, 0 deletions
diff --git a/mpeglib/lib/input/httpInputStream.cpp b/mpeglib/lib/input/httpInputStream.cpp
new file mode 100644
index 00000000..df2f09c4
--- /dev/null
+++ b/mpeglib/lib/input/httpInputStream.cpp
@@ -0,0 +1,327 @@
+/*
+  reads input data
+  Copyright (C) 1999  Martin Vogt
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Library General Public License as published by
+  the Free Software Foundation.
+
+  For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+
+#include "httpInputStream.h"
+
+#ifndef INADDR_NONE
+#define INADDR_NONE 0xffffffff
+#endif
+
+#include <iostream>
+
+using namespace std;
+
+static const char *httpstr="http://";
+
+
+
+static char *strndup(char *src,int num) {
+  char *dst;
+
+  if(!(dst=(char *)malloc(num+1)))return NULL;
+  dst[num]='\0';
+
+  return strncpy(dst, src, num);
+}
+
+static char *url2hostport(char *url,char **hname,
+			  unsigned long *hip,unsigned int *port) {
+  char *cptr;
+  struct hostent *myhostent;
+  struct in_addr myaddr;
+  int isip=1;
+
+  if(!(strncmp(url,httpstr,7)))url+=7;
+  cptr=url;
+  while(*cptr && *cptr!=':' && *cptr!='/') {
+    if((*cptr<'0' || *cptr>'9') && *cptr!='.')isip=0;
+    cptr++;
+  }
+  if(!(*hname=strndup(url,cptr-url))) {
+    *hname=NULL;
+    return NULL;
+  }
+  if(!isip)
+  {
+    if (!(myhostent=gethostbyname(*hname)))return NULL;
+    memcpy(&myaddr,myhostent->h_addr,sizeof(myaddr));
+    *hip=myaddr.s_addr;
+  }
+  else if((*hip=inet_addr(*hname))==INADDR_NONE)return NULL;
+  if(!*cptr || *cptr=='/') {
+    *port=80;
+    return cptr;
+  }
+  *port=atoi(++cptr);
+  while(*cptr && *cptr!='/')cptr++;
+  return cptr;
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+HttpInputStream::HttpInputStream() {
+
+  proxyurl=NULL;
+  proxyip=0;
+  lopen=false;
+  byteCnt=0;
+}
+
+
+HttpInputStream::~HttpInputStream() {
+  close();
+}
+
+
+int HttpInputStream::open(const char* filename) {
+  close();
+  if (filename == NULL) {
+    return false;
+  }
+  /*
+  int matchPos=InputStream::getPath(filename,"http");
+  if (matchPos=0) {
+    return false;
+  }
+  */
+
+  char* filename2=strdup(filename);
+  if((fp=http_open(filename2))==NULL) {
+    cout << "seterrorcode(SOUND_ERROR_FILEOPENFAIL)"<<endl;
+    delete filename2;
+    return false;
+  }
+  delete filename2;
+  lopen=true;
+  setUrl(filename);
+  return lopen;
+}
+
+
+void HttpInputStream::close() {
+  if (isOpen()) {
+    ::fclose(fp);
+  }
+  lopen=false;
+  setUrl(NULL);
+}
+
+
+int HttpInputStream::isOpen() {
+  return lopen;
+}
+
+
+int HttpInputStream::eof() {
+  if (isOpen()==false){
+    return true;
+  }
+  return feof(fp);
+}
+
+
+int HttpInputStream::read(char* ptr,int size) {
+  int bytesRead=0;
+  if (isOpen()) {
+    bytesRead=fread(ptr, 1,size, fp);
+    if (ferror(fp) != 0){
+      cout <<"http fread error"<<endl;
+    } else {
+      byteCnt+=bytesRead;
+    }
+  }
+  return bytesRead;
+}
+
+int HttpInputStream::seek(long posInBytes) {
+  cout << "HttpInputStream::setBytePos not implemented:"<<posInBytes<<endl;
+  return false;
+}
+
+
+
+long HttpInputStream::getByteLength() {
+  cout << "HttpInputStream::getByteLength not implemented"<<endl;
+  return 0;
+}
+
+
+
+void HttpInputStream::print() {
+  printf("pos in file:%8x\n",(int)ftell(fp));
+}
+
+
+int HttpInputStream::writestring(int fd, char *string) {
+  int result,bytes=strlen(string);
+
+  while (bytes) {
+    if((result=SOCKETWRITEFUNC(fd,string,bytes))<0 && errno!=EINTR) {
+      cout << "writestring fail -1"<<endl;
+      return false;
+    }
+    else if(result==0) {
+      cout << "writestring fail -2"<<endl;
+      return false;
+    }
+    string += result;
+    bytes -= result;
+  }
+  return true;
+}
+
+
+
+FILE* HttpInputStream::http_open(char *url) {
+  char *purl=NULL,*host,*request,*sptr;
+  char agent[50];
+  int linelength;
+  unsigned long myip;
+  unsigned int myport;
+  int sock;
+  int relocate=0,numrelocs=0;
+  struct sockaddr_in server;
+  FILE *myfile;
+  if (url == NULL) {
+    cout << "cannot open NULL http_open"<<endl;
+    return NULL;
+  }
+  if (strlen(url)==0) {
+    cout << "zero length http_open"<<endl;
+    return NULL;
+  }
+
+  if(!proxyip)
+  {
+    if(!proxyurl)
+      if(!(proxyurl=getenv("MP3_HTTP_PROXY")))
+	if(!(proxyurl=getenv("http_proxy")))
+	  proxyurl = getenv("HTTP_PROXY");
+    if (proxyurl && proxyurl[0] && strcmp(proxyurl, "none"))
+    {
+      if (!(url2hostport(proxyurl, &host, &proxyip, &proxyport)))
+      {
+	cout << "seterrorcode(SOUND_ERROR_UNKNOWNPROXY)"<<endl;;
+	return NULL;
+      }
+      if(host)free(host);
+    }
+    else
+      proxyip = INADDR_NONE;
+  }
+  
+  if((linelength=strlen(url)+100)<1024)
+    linelength=1024;
+  if(!(request=(char *)malloc(linelength)) || !(purl=(char *)malloc(1024))) 
+  {
+    cout << "seterrorcode(SOUND_ERROR_MEMORYNOTENOUGH)"<<endl;
+    return NULL;
+  }
+  strncpy(purl,url,1023);
+  purl[1023]='\0';
+  do{
+    strcpy(request,"GET ");
+    if(proxyip!=INADDR_NONE) 
+    {
+      if(strncmp(url,httpstr,7))
+	strcat(request,httpstr);
+      strcat(request,purl);
+      myport=proxyport;
+      myip=proxyip;
+    }
+    else
+    {
+      if(!(sptr=url2hostport(purl,&host,&myip,&myport)))
+      {
+	cout << "seterrorcode(SOUND_ERROR_UNKNOWNHOST)"<<endl;;
+	return NULL;
+      }
+      if (host)
+	free (host);
+      strcat (request, sptr);
+    }
+    sprintf (agent, " HTTP/1.0\r\nUser-Agent: %s/%s\r\n\r\n",
+	     "Splay","0.6");
+    strcat (request, agent);
+    server.sin_family = AF_INET;
+    server.sin_port = htons(myport);
+    server.sin_addr.s_addr = myip;
+    if((sock=socket(PF_INET,SOCK_STREAM,6))<0) {
+      cout <<"seterrorcode(SOUND_ERROR_SOCKET)"<<endl;
+      return NULL;
+    }
+    if(connect(sock,(struct sockaddr *)&server,sizeof(server))) {
+      cout <<"seterrorcode(SOUND_ERROR_CONNECT)"<<endl;
+      return NULL;
+    }
+    if(!writestring(sock,request))return NULL;
+    if(!(myfile=::fdopen(sock, "rb"))) {
+      cout << "seterrorcode(SOUND_ERROR_FDOPEN)"<<endl;
+      return NULL;
+    };
+    relocate=false;
+    purl[0]='\0';
+    if(!readstring(request,linelength-1,myfile))return NULL;
+    if((sptr=strchr(request,' '))) {
+      switch(sptr[1]) {
+        case '3':relocate=true;
+        case '2':break;
+        default: 
+	  cout <<"seterrorcode(SOUND_ERROR_HTTPFAIL)"<<endl;
+	  return NULL;
+      }
+    }
+    do {
+      if(!readstring(request,linelength-1,myfile))return NULL;
+      if(!strncmp(request,"Location:",9))
+	strncpy (purl,request+10,1023);
+    } while (request[0]!='\r' && request[0]!='n');
+  } while(relocate && purl[0] && numrelocs++<5);
+  if(relocate) { 
+    cout << "seterrorcode(SOUND_ERROR_TOOMANYRELOC)"<<endl;
+    return NULL;
+  }
+  free(purl);
+  free(request);
+  return myfile;
+}
+
+long HttpInputStream::getBytePosition() {
+  return 0;
+}
+
+int HttpInputStream::readstring(char *string,int maxlen,FILE *f) {
+  char *result;
+
+  do{
+    result=fgets(string,maxlen,f);
+  }while(!result  && errno==EINTR);
+  if(!result)
+  {
+    cout << "seterrorcode(SOUND_ERROR_FILEREADFAIL)"<<endl;
+    return false;
+  }
+
+  return true;
+}