ssize_t mlib_readchn(chnid_t id, void *buf, size_t size)
{
ssize_t tbfsize, len;
tbfsize = mytbf_fetchtoken(channel[id].tbf, size);
while (1) {
//printf("fd is %d, file is %s\n", channel[id].fd, channel[id].mp3glob.gl_pathv[channel[id].pos]);
len = pread(channel[id].fd, buf, tbfsize, channel[id].offset);
if (len < 0) {
syslog(LOG_WARNING, "Media file %s read failed", channel[id].mp3glob.gl_pathv[channel[id].pos]);
channel[id].offset = 0;
open_next(id);
} else if (!len) {
channel[id].offset = 0;
open_next(id);
} else {
channel[id].offset += len;
break;
}
}
mytbf_returntoken(channel[id].tbf, tbfsize - len);
return len;
}
int main(){
int fd;
char buf[BUFSIZE];
int len, pos, size, ret;
mytbf_t *tbf;
fd = open("/etc/services", O_RDONLY);
if(fd < 0){
perror("open()");
exit(1);
}
tbf = mytbf_init(10, 1000);
if(tbf == NULL){
perror("mytbf_init()");
exit(1);
}
while(1){
size = mytbf_fetchtoken(tbf, BUFSIZE);
len = read(fd, buf, size);
if(len < 0){
perror("read()");
}
else if(len == 0){
break;
}
mytbf_returntoken(tbf, size - len);
pos = 0;
while(len > 0){
ret = write(1, buf + pos, len);
len -= ret;
pos += ret;
}
}
close(fd);
return 0;
}
int main(int argc,char **argv) {
int sfd,dfd = 1;
char buf[BUFSIZE];
int len,ret,pos,size;
mytbf_t *tbf;
if(argc < 2) {
fprintf(stderr, "Usage...\n");
exit(1);
}
tbf = mytbf_init(CPS, BURST);
if(tbf == NULL) {
fprintf(stderr,"mytbf_init() failed.\n");
exit(1);
}
do {
sfd = open(argv[1], O_RDONLY);
if(sfd < 0) {
if(errno != EINTR) {
perror("open()");
exit(1);
}
}
} while(sfd < 0);
while(1){
size = mytbf_fetchtoken(tbf,BUFSIZE);
if(size < 0) {
fprintf(stderr,"mytbf_fetchtoken():%s\n",strerror(-size));
exit(1);
}
while((len = read(sfd,buf,size)) < 0) {
if(errno == EINTR)
continue;
perror("read()");
break;
}
if(len == 0) break;
// len > 0
if(size - len > 0)
mytbf_returntoken(tbf,size-len);
pos = 0;
while(len > 0) {
ret = write(dfd,buf+pos,len);
if(ret < 0) {
if(errno == EINTR)
continue;
perror("write()");
exit(1);
}
pos += ret;
len -= ret;
}
}
close(sfd);
mytbf_destroy(tbf);
exit(0);
}