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Use FILE * instead of fd for files to support buffering

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6801 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2005-10-16 16:12:51 +00:00
parent d2025ad2a1
commit d499a85f05
17 changed files with 406 additions and 366 deletions
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63
file.c
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@@ -59,9 +59,9 @@ struct ast_format {
/* Format of frames it uses/provides (one only) */
int format;
/* Open an input stream, and start playback */
struct ast_filestream * (*open)(int fd);
struct ast_filestream * (*open)(FILE * f);
/* Open an output stream, of a given file descriptor and comment it appropriately if applicable */
struct ast_filestream * (*rewrite)(int fd, const char *comment);
struct ast_filestream * (*rewrite)(FILE *f, const char *comment);
/* Write a frame to a channel */
int (*write)(struct ast_filestream *, struct ast_frame *);
/* seek num samples into file, whence(think normal seek) */
@@ -103,8 +103,8 @@ AST_MUTEX_DEFINE_STATIC(formatlock);
static struct ast_format *formats = NULL;
int ast_format_register(const char *name, const char *exts, int format,
struct ast_filestream * (*open)(int fd),
struct ast_filestream * (*rewrite)(int fd, const char *comment),
struct ast_filestream * (*open)(FILE *f),
struct ast_filestream * (*rewrite)(FILE *f, const char *comment),
int (*write)(struct ast_filestream *, struct ast_frame *),
int (*seek)(struct ast_filestream *, long sample_offset, int whence),
int (*trunc)(struct ast_filestream *),
@@ -351,6 +351,7 @@ static int ast_filehelper(const char *filename, const char *filename2, const cha
struct ast_filestream *s;
int res=0, ret = 0;
char *ext=NULL, *exts, *fn, *nfn;
FILE *bfile;
struct ast_channel *chan = (struct ast_channel *)filename2;
/* Start with negative response */
@@ -413,9 +414,10 @@ static int ast_filehelper(const char *filename, const char *filename2, const cha
case ACTION_OPEN:
if ((ret < 0) && ((chan->writeformat & f->format) ||
((f->format >= AST_FORMAT_MAX_AUDIO) && fmt))) {
ret = open(fn, O_RDONLY);
if (ret >= 0) {
s = f->open(ret);
bfile = fopen(fn, "r");
if (bfile) {
ret = 1;
s = f->open(bfile);
if (s) {
s->lasttimeout = -1;
s->fmt = f;
@@ -426,11 +428,14 @@ static int ast_filehelper(const char *filename, const char *filename2, const cha
else
chan->vstream = s;
} else {
close(ret);
ast_log(LOG_WARNING, "Unable to open fd on %s\n", fn);
fclose(bfile);
ast_log(LOG_WARNING, "Unable to open file on %s\n", fn);
ret = -1;
}
} else
} else{
ast_log(LOG_WARNING, "Couldn't open file %s\n", fn);
ret = -1;
}
}
break;
default:
@@ -472,7 +477,6 @@ struct ast_filestream *ast_openstream_full(struct ast_channel *chan, const char
set it up.
*/
int fd = -1;
int fmts = -1;
char filename2[256]="";
char filename3[256];
@@ -508,8 +512,8 @@ struct ast_filestream *ast_openstream_full(struct ast_channel *chan, const char
/* Set the channel to a format we can work with */
res = ast_set_write_format(chan, fmts);
fd = ast_filehelper(filename2, (char *)chan, NULL, ACTION_OPEN);
if (fd >= 0)
res = ast_filehelper(filename2, (char *)chan, NULL, ACTION_OPEN);
if (res >= 0)
return chan->stream;
return NULL;
}
@@ -819,7 +823,7 @@ int ast_streamfile(struct ast_channel *chan, const char *filename, const char *p
struct ast_filestream *ast_readfile(const char *filename, const char *type, const char *comment, int flags, int check, mode_t mode)
{
int fd;
FILE *bfile;
struct ast_format *f;
struct ast_filestream *fs = NULL;
char *fn;
@@ -834,13 +838,13 @@ struct ast_filestream *ast_readfile(const char *filename, const char *type, cons
continue;
fn = build_filename(filename, type);
fd = open(fn, flags);
if (fd >= 0) {
bfile = fopen(fn, "r");
if (bfile) {
errno = 0;
if (!(fs = f->open(fd))) {
if (!(fs = f->open(bfile))) {
ast_log(LOG_WARNING, "Unable to open %s\n", fn);
close(fd);
fclose(bfile);
free(fn);
continue;
}
@@ -866,6 +870,7 @@ struct ast_filestream *ast_readfile(const char *filename, const char *type, cons
struct ast_filestream *ast_writefile(const char *filename, const char *type, const char *comment, int flags, int check, mode_t mode)
{
int fd, myflags = 0;
FILE *bfile;
struct ast_format *f;
struct ast_filestream *fs = NULL;
char *fn, *orig_fn = NULL;
@@ -893,11 +898,20 @@ struct ast_filestream *ast_writefile(const char *filename, const char *type, con
fn = build_filename(filename, type);
fd = open(fn, flags | myflags, mode);
if (fd > -1) {
/* fdopen() the resulting file stream */
bfile = fdopen(fd, ((flags | myflags) & O_RDWR) ? "w+" : "w");
if (!bfile) {
ast_log(LOG_WARNING, "Whoa, fdopen failed: %s!\n", strerror(errno));
close(fd);
fd = -1;
}
}
if (option_cache_record_files && fd >= 0) {
char *c;
close(fd);
fclose(bfile);
/*
We touch orig_fn just as a place-holder so other things (like vmail) see the file is there.
What we are really doing is writing to record_cache_dir until we are done then we will mv the file into place.
@@ -914,11 +928,20 @@ struct ast_filestream *ast_writefile(const char *filename, const char *type, con
free(fn);
fn = buf;
fd = open(fn, flags | myflags, mode);
if (fd > -1) {
/* fdopen() the resulting file stream */
bfile = fdopen(fd, ((flags | myflags) & O_RDWR) ? "w+" : "w");
if (!bfile) {
ast_log(LOG_WARNING, "Whoa, fdopen failed: %s!\n", strerror(errno));
close(fd);
fd = -1;
}
}
}
if (fd >= 0) {
errno = 0;
if ((fs = f->rewrite(fd, comment))) {
if ((fs = f->rewrite(bfile, comment))) {
fs->trans = NULL;
fs->fmt = f;
fs->flags = flags;