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git-svn-id: https://svn.musicpd.org/mpd/trunk@1050 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Warren Dukes 2004-05-18 02:46:36 +00:00
parent 48a58073dd
commit aed844a67d
4 changed files with 665 additions and 0 deletions
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86
src/inputStream_file.c Normal file
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/* the Music Player Daemon (MPD)
* (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
* This project's homepage is: http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "inputStream_file.h"
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <errno.h>
int inputStream_fileOpen(InputStream * inStream, char * filename) {
FILE * fp;
fp = fopen(filename,"r");
if(!fp) {
inStream->error = errno;
return -1;
}
inStream->offset = 0;
fseek(fp,0,SEEK_END);
inStream->size = ftell(fp);
fseek(fp,0,SEEK_SET);
inStream->data = fp;
inStream->seekFunc = inputStream_fileSeek;
inStream->closeFunc = inputStream_fileClose;
inStream->readFunc = inputStream_fileRead;
inStream->atEOFFunc = inputStream_fileAtEOF;
return 0;
}
int inputStream_fileSeek(InputStream * inStream, long offset, int whence) {
if(fseek((FILE *)inStream->data,offset,whence)==0) {
inStream->offset = ftell((FILE *)inStream->data);
}
else {
inStream->error = errno;
return -1;
}
return 0;
}
size_t inputStream_fileRead(InputStream * inStream, void * ptr, size_t size,
size_t nmemb)
{
size_t readSize;
readSize = fread(ptr,size,nmemb,(FILE *)inStream->data);
if(readSize>0) inStream->offset+=readSize;
return readSize;
}
int inputStream_fileClose(InputStream * inStream) {
if(fclose((FILE *)inStream->data)<0) {
inStream->error = errno;
}
else return -1;
return 0;
}
int inputStream_fileAtEOF(InputStream * inStream) {
return feof((FILE *)inStream->data);
}
/* vim:set shiftwidth=4 tabstop=8 expandtab: */

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src/inputStream_file.h Normal file
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/* the Music Player Daemon (MPD)
* (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
* This project's homepage is: http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef INPUT_STREAM_FILE_H
#define INPUT_STREAM_FILE_H
#include "inputStream.h"
int inputStream_fileOpen(InputStream * inStream, char * filename);
int inputStream_fileSeek(InputStream * inStream, long offset, int whence);
size_t inputStream_fileRead(InputStream * inStream, void * ptr, size_t size,
size_t nmemb);
int inputStream_fileClose(InputStream * inStream);
int inputStream_fileAtEOF(InputStream * inStream);
#endif
/* vim:set shiftwidth=8 tabstop=8 expandtab: */

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/* the Music Player Daemon (MPD)
* (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
* This project's homepage is: http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "inputStream_http.h"
#include "utils.h"
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#define HTTP_CONN_STATE_CLOSED 0
#define HTTP_CONN_STATE_INIT 1
#define HTTP_CONN_STATE_HELLO 2
#define HTTP_CONN_STATE_OPEN 3
#define HTTP_CONN_STATE_REOPEN 4
#define HTTP_BUFFER_SIZE 524289
#define HTTP_REDIRECT_MAX 10
typedef struct _InputStreemHTTPData {
char * host;
char * path;
int port;
int sock;
int connState;
char buffer[HTTP_BUFFER_SIZE];
int buflen;
int canSeek;
int timesRedirected;
int icyMetaint;
} InputStreamHTTPData;
static InputStreamHTTPData * newInputStreamHTTPData() {
InputStreamHTTPData * ret = malloc(sizeof(InputStreamHTTPData));
ret->host = NULL;
ret->path = NULL;
ret->port = 80;
ret->connState = HTTP_CONN_STATE_CLOSED;
ret->canSeek = 0;
ret->timesRedirected = 0;
return ret;
}
static void freeInputStreamHTTPData(InputStreamHTTPData * data) {
if(data->host) free(data->host);
if(data->path) free(data->path);
free(data);
}
static int parseUrl(InputStreamHTTPData * data, char * url) {
char * temp;
char * colon;
char * slash;
int len;
if(strncmp("http://",url,strlen("http://"))!=0) return -1;
temp = url+strlen("http://");
slash = strchr(temp, '/');
colon = strchr(temp, ':');
if(slash && colon && slash <= colon) return -1;
/* fetch the host portion */
if(colon) len = colon-temp+1;
else if(slash) len = slash-temp+1;
else len = strlen(temp)+1;
if(len<=1) return -1;
data->host = malloc(len);
strncpy(data->host,temp,len-1);
data->host[len-1] = '\0';
/* fetch the port */
if(colon && (!slash || slash != colon+1)) {
char * test;
data->port = strtol(colon+1,&test,10);
if(data->port <= 0 || (*test != '\0' && *test != '/')) {
return -1;
}
}
/* fetch the path */
data->path = strdup(slash ? slash : "/");
return 0;
}
static int initHTTPConnection(InputStream * inStream) {
struct hostent * he;
struct sockaddr * dest;
socklen_t destlen;
struct sockaddr_in sin;
InputStreamHTTPData * data = (InputStreamHTTPData *)inStream->data;
int flags;
int ret;
#ifdef HAVE_IPV6
struct sockaddr_in6 sin6;
#endif
if(!(he = gethostbyname(data->host))) {
return -1;
}
memset(&sin,0,sizeof(struct sockaddr_in));
sin.sin_family = AF_INET;
sin.sin_port = htons(data->port);
#ifdef HAVE_IPV6
memset(&sin6,0,sizeof(struct sockaddr_in6));
sin6.sin6_family = AF_INET6;
sin6.sin6_port = sin.sin_port;
#endif
switch(he->h_addrtype) {
case AF_INET:
memcpy((char *)&sin.sin_addr.s_addr,(char *)he->h_addr,
he->h_length);
dest = (struct sockaddr *)&sin;
destlen = sizeof(struct sockaddr_in);
break;
#ifdef HAVE_IPV6
case AF_INET6:
if(!ipv6Supported()) {
return -1;
}
memcpy((char *)&sin6.sin6_addr.s6_addr,(char *)he->h_addr,
he->h_length);
dest = (struct sockaddr *)&sin6;
destlen = sizeof(struct sockaddr_in6);
break;
#endif
default:
return -1;
}
if((data->sock = socket(dest->sa_family,SOCK_STREAM,0)) < 0) {
return -1;
}
flags = fcntl(data->sock, F_GETFL, 0);
fcntl(data->sock, F_SETFL, flags | O_NONBLOCK);
ret = connect(data->sock,dest,destlen);
if(ret < 0 && errno!=EINPROGRESS) {
close(data->sock);
return -1;
}
data->connState = HTTP_CONN_STATE_INIT;
data->buflen = 0;
return 0;
}
static int finishHTTPInit(InputStream * inStream) {
InputStreamHTTPData * data = (InputStreamHTTPData *)inStream->data;
struct timeval tv;
fd_set writeSet;
fd_set errorSet;
int error;
int error_len = sizeof(int);
int ret;
char request[2049];
tv.tv_sec = 0;
tv.tv_usec = 0;
FD_ZERO(&writeSet);
FD_ZERO(&errorSet);
FD_SET(data->sock, &writeSet);
FD_SET(data->sock, &errorSet);
ret = select(data->sock+1, NULL, &writeSet, &errorSet, &tv);
if(ret == 0 || (ret < 0 && errno==EINTR)) return 0;
if(ret < 0) {
close(data->sock);
data->connState = HTTP_CONN_STATE_CLOSED;
return -1;
}
getsockopt(data->sock, SOL_SOCKET, SO_ERROR, &error, &error_len);
if(error) {
close(data->sock);
data->connState = HTTP_CONN_STATE_CLOSED;
return -1;
}
memset(request, 0, 2048);
snprintf(request, 2048, "GET %s HTTP/1.1\r\n"
"Host: %s\r\n"
"Connection: close\r\n"
"User-Agent: %s/%s\r\n"
"Range: bytes=%ld-\r\n"
"Icy-Metadata:1\r\n"
"\r\n",
data->path, data->host, "httpTest", "0.0.0",
inStream->offset);
ret = write(data->sock, request, strlen(request));
if(ret!=strlen(request)) {
close(data->sock);
data->connState = HTTP_CONN_STATE_CLOSED;
return -1;
}
data->connState = HTTP_CONN_STATE_HELLO;
return 0;
}
static int getHTTPHello(InputStream * inStream) {
InputStreamHTTPData * data = (InputStreamHTTPData *)inStream->data;
fd_set readSet;
struct timeval tv;
int ret;
char * needle;
char * cur = data->buffer;
int rc;
int readed;
FD_ZERO(&readSet);
FD_SET(data->sock, &readSet);
tv.tv_sec = 0;
tv.tv_usec = 0;
ret = select(data->sock+1,&readSet,NULL,NULL,&tv);
if(ret == 0 || (ret < 0 && errno==EINTR)) return 0;
if(ret < 0) {
data->connState = HTTP_CONN_STATE_CLOSED;
close(data->sock);
return -1;
}
if(data->buflen >= HTTP_BUFFER_SIZE-1) {
data->connState = HTTP_CONN_STATE_CLOSED;
close(data->sock);
return -1;
}
readed = recv(data->sock, data->buffer+data->buflen,
HTTP_BUFFER_SIZE-1-data->buflen, 0);
if(readed < 0 && (errno == EAGAIN || errno == EINTR)) return 0;
if(readed <= 0) {
data->connState = HTTP_CONN_STATE_CLOSED;
close(data->sock);
return -1;
}
data->buffer[data->buflen+readed] = '\0';
data->buflen += readed;
needle = strstr(data->buffer,"\r\n\r\n");
if(!needle) return 0;
if(0 == strncmp(cur, "HTTP/1.0 ", 9)) {
data->canSeek = 0;
rc = atoi(cur+9);
}
else if(0 == strncmp(cur, "HTTP/1.1 ", 9)) {
data->canSeek = 1;
rc = atoi(cur+9);
}
else if(0 == strncmp(cur, "ICY 200 OK", 10)) {
data->canSeek = 0;
rc = 200;
}
else if(0 == strncmp(cur, "ICY 400 Server Full", 19)) rc = 400;
else if(0 == strncmp(cur, "ICY 404", 7)) rc = 404;
else {
close(data->sock);
data->connState = HTTP_CONN_STATE_CLOSED;
return -1;
}
switch(rc) {
case 200:
case 206:
break;
case 301:
case 302:
cur = strstr(cur, "Location: ");
if(cur) {
char * url;
int curlen = 0;
cur+= strlen("Location: ");
while(*(cur+curlen)!='\0' && *(cur+curlen)!='\r') {
curlen++;
}
url = malloc(curlen+1);
memcpy(url,cur,curlen);
url[curlen] = '\0';
ret = parseUrl(data,url);
free(url);
if(ret == 0 && data->timesRedirected <
HTTP_REDIRECT_MAX)
{
data->timesRedirected++;
close(data->sock);
data->connState = HTTP_CONN_STATE_REOPEN;
data->buflen = 0;
return 0;
}
}
case 404:
case 400:
case 401:
default:
close(data->sock);
data->connState = HTTP_CONN_STATE_CLOSED;
data->buflen = 0;
return -1;
}
cur = strstr(data->buffer, "\r\nContent-Length: ");
if(cur) {
if(!inStream->size) inStream->size = atol(cur+18);
}
else data->canSeek = 0;
cur = strstr(data->buffer, "\r\nicy-metaint:");
if(cur) {
data->icyMetaint = atoi(cur+14);
}
else data->icyMetaint = 0;
needle += 4; /* 4 == strlen("\r\n\r\n") */
memmove(data->buffer, needle, data->buffer+data->buflen-needle);
data->buflen -= data->buffer+data->buflen-needle;
data->connState = HTTP_CONN_STATE_OPEN;
return 0;
}
int inputStream_httpOpen(InputStream * inStream, char * url) {
InputStreamHTTPData * data = newInputStreamHTTPData();
inStream->data = data;
if(parseUrl(data,url) < 0) {
freeInputStreamHTTPData(data);
return -1;
}
if(initHTTPConnection(inStream) < 0) {
freeInputStreamHTTPData(data);
return -1;
}
inStream->seekFunc = inputStream_httpSeek;
inStream->closeFunc = inputStream_httpClose;
inStream->readFunc = inputStream_httpRead;
inStream->atEOFFunc = inputStream_httpAtEOF;
inStream->offset = 0;
inStream->size = 0;
inStream->error = 0;
return 0;
}
int inputStream_httpSeek(InputStream * inStream, long offset, int whence) {
return -1;
}
size_t inputStream_httpRead(InputStream * inStream, void * ptr, size_t size,
size_t nmemb)
{
InputStreamHTTPData * data = (InputStreamHTTPData *)inStream->data;
int readed = 0;
int inlen = size*nmemb;
fd_set readSet;
struct timeval tv;
int ret;
if(data->connState == HTTP_CONN_STATE_REOPEN) {
if(initHTTPConnection(inStream) < 0) return 0;
}
if(data->connState == HTTP_CONN_STATE_INIT) {
if(finishHTTPInit(inStream) < 0) return 0;
}
if(data->connState == HTTP_CONN_STATE_HELLO) {
if(getHTTPHello(inStream) < 0) return 0;
}
switch(data->connState) {
case HTTP_CONN_STATE_OPEN:
case HTTP_CONN_STATE_CLOSED:
break;
default:
return 0;
}
if(data->connState == HTTP_CONN_STATE_OPEN &&
data->buflen < HTTP_BUFFER_SIZE-1)
{
FD_ZERO(&readSet);
FD_SET(data->sock, &readSet);
tv.tv_sec = 0;
tv.tv_usec = 0;
ret = select(data->sock+1,&readSet,NULL,NULL,&tv);
if(ret == 0 || (ret < 0 && errno == EINTR)) ret = 0;
else if(ret < 0) {
data->connState = HTTP_CONN_STATE_CLOSED;
close(data->sock);
return 0;
}
if(ret == 1) {
readed = recv(data->sock,
data->buffer+data->buflen,
HTTP_BUFFER_SIZE-1-data->buflen, 0);
if(readed < 0 && (errno == EAGAIN ||
errno == EINTR))
{
readed = 0;
}
else if(readed <= 0) {
close(data->sock);
data->connState = HTTP_CONN_STATE_CLOSED;
}
else data->buflen += readed;
}
}
readed = inlen > data->buflen ? data->buflen : inlen;
memcpy(ptr, data->buffer, readed);
data->buflen -= readed;
memmove(data->buffer, data->buffer+readed, data->buflen);
inStream->offset = readed;
return readed;
}
int inputStream_httpClose(InputStream * inStream) {
InputStreamHTTPData * data = (InputStreamHTTPData *)inStream->data;
switch(data->connState) {
case HTTP_CONN_STATE_CLOSED:
break;
default:
close(data->sock);
}
freeInputStreamHTTPData(data);
return 0;
}
int inputStream_httpAtEOF(InputStream * inStream) {
InputStreamHTTPData * data = (InputStreamHTTPData *)inStream->data;
switch(data->connState) {
case HTTP_CONN_STATE_CLOSED:
if(data->buflen == 0) return 1;
default:
return 0;
}
}
/* vim:set shiftwidth=8 tabstop=8 expandtab: */

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/* the Music Player Daemon (MPD)
* (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
* This project's homepage is: http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef INPUT_STREAM_HTTP_H
#define INPUT_STREAM_HTTP_H
#include "inputStream.h"
int inputStream_httpOpen(InputStream * inStream, char * filename);
int inputStream_httpSeek(InputStream * inStream, long offset, int whence);
size_t inputStream_httpRead(InputStream * inStream, void * ptr, size_t size,
size_t nmemb);
int inputStream_httpClose(InputStream * inStream);
int inputStream_httpAtEOF(InputStream * inStream);
#endif
/* vim:set shiftwidth=8 tabstop=8 expandtab: */