Not every use case benefits from setting retries in terms of the backoff.
Signed-off-by: Derek Buitenhuis
---
libavformat/http.c| 12 +---
libavformat/version.h | 2 +-
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/libavformat/http.c b/libavformat/http.c
index 6927fea2fb..06bd3e340e 100644
--- a/libavformat/http.c
+++ b/libavformat/http.c
@@ -140,6 +140,7 @@ typedef struct HTTPContext {
uint64_t filesize_from_content_range;
int respect_retry_after;
unsigned int retry_after;
+int reconnect_max_retries;
} HTTPContext;
#define OFFSET(x) offsetof(HTTPContext, x)
@@ -178,6 +179,7 @@ static const AVOption options[] = {
{ "reconnect_on_http_error", "list of http status codes to reconnect on",
OFFSET(reconnect_on_http_error), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, D },
{ "reconnect_streamed", "auto reconnect streamed / non seekable streams",
OFFSET(reconnect_streamed), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, D },
{ "reconnect_delay_max", "max reconnect delay in seconds after which to
give up", OFFSET(reconnect_delay_max), AV_OPT_TYPE_INT, { .i64 = 120 }, 0,
UINT_MAX/1000/1000, D },
+{ "reconnect_max_retries", "the max number of times to retry a
connection", OFFSET(reconnect_max_retries), AV_OPT_TYPE_INT, { .i64 = -1 }, -1,
INT_MAX, D },
{ "respect_retry_after", "respect the Retry-After header when retrying
connections", OFFSET(respect_retry_after), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0,
1, D },
{ "listen", "listen on HTTP", OFFSET(listen), AV_OPT_TYPE_INT, { .i64 = 0
}, 0, 2, D | E },
{ "resource", "The resource requested by a client", OFFSET(resource),
AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, E },
@@ -359,7 +361,7 @@ static int http_open_cnx(URLContext *h, AVDictionary
**options)
{
HTTPAuthType cur_auth_type, cur_proxy_auth_type;
HTTPContext *s = h->priv_data;
-int ret, auth_attempts = 0, redirects = 0;
+int ret, conn_attempts = 1, auth_attempts = 0, redirects = 0;
int reconnect_delay = 0;
uint64_t off;
char *cached;
@@ -386,7 +388,8 @@ redo:
ret = http_open_cnx_internal(h, options);
if (ret < 0) {
if (!http_should_reconnect(s, ret) ||
-reconnect_delay > s->reconnect_delay_max)
+reconnect_delay > s->reconnect_delay_max ||
+(s->reconnect_max_retries >= 0 && conn_attempts >
s->reconnect_max_retries))
goto fail;
if (s->respect_retry_after && s->retry_after > 0) {
@@ -401,6 +404,7 @@ redo:
if (ret != AVERROR(ETIMEDOUT))
goto fail;
reconnect_delay = 1 + 2 * reconnect_delay;
+conn_attempts++;
/* restore the offset (http_connect resets it) */
s->off = off;
@@ -1706,6 +1710,7 @@ static int http_read_stream(URLContext *h, uint8_t *buf,
int size)
int err, read_ret;
int64_t seek_ret;
int reconnect_delay = 0;
+int conn_attempt = 1;
if (!s->hd)
return AVERROR_EOF;
@@ -1734,7 +1739,7 @@ static int http_read_stream(URLContext *h, uint8_t *buf,
int size)
!(s->reconnect_at_eof && read_ret == AVERROR_EOF))
break;
-if (reconnect_delay > s->reconnect_delay_max)
+if (reconnect_delay > s->reconnect_delay_max ||
(s->reconnect_max_retries >= 0 && conn_attempt > s->reconnect_max_retries))
return AVERROR(EIO);
av_log(h, AV_LOG_WARNING, "Will reconnect at %"PRIu64" in %d
second(s), error=%s.\n", s->off, reconnect_delay, av_err2str(read_ret));
@@ -1742,6 +1747,7 @@ static int http_read_stream(URLContext *h, uint8_t *buf,
int size)
if (err != AVERROR(ETIMEDOUT))
return err;
reconnect_delay = 1 + 2*reconnect_delay;
+conn_attempt++;
seek_ret = http_seek_internal(h, target, SEEK_SET, 1);
if (seek_ret >= 0 && seek_ret != target) {
av_log(h, AV_LOG_ERROR, "Failed to reconnect at %"PRIu64".\n",
target);
diff --git a/libavformat/version.h b/libavformat/version.h
index ee91990360..41dbd4ad01 100644
--- a/libavformat/version.h
+++ b/libavformat/version.h
@@ -32,7 +32,7 @@
#include "version_major.h"
#define LIBAVFORMAT_VERSION_MINOR 3
-#define LIBAVFORMAT_VERSION_MICRO 101
+#define LIBAVFORMAT_VERSION_MICRO 102
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \
--
2.43.0
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