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added record_unique feature

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This commit is contained in:
Roman Arutyunyan 2012-06-20 18:37:52 +04:00
parent 45cd9825a2
commit 5493fad47d
1 changed files with 60 additions and 23 deletions
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83
ngx_rtmp_record_module.c
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@ -35,16 +35,18 @@ typedef struct {
size_t max_frames;
ngx_msec_t interval;
ngx_str_t suffix;
ngx_flag_t unique;
ngx_url_t *url;
} ngx_rtmp_record_app_conf_t;
typedef struct {
ngx_file_t file;
u_char path[NGX_MAX_PATH + 1];
ngx_uint_t nframes;
uint32_t epoch;
ngx_time_t last;
time_t timestamp;
u_char name[NGX_RTMP_MAX_NAME];
} ngx_rtmp_record_ctx_t;
@ -88,6 +90,13 @@ static ngx_command_t ngx_rtmp_record_commands[] = {
offsetof(ngx_rtmp_record_app_conf_t, suffix),
NULL },
{ ngx_string("record_unique"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
ngx_conf_set_flag_slot,
NGX_RTMP_APP_CONF_OFFSET,
offsetof(ngx_rtmp_record_app_conf_t, unique),
NULL },
{ ngx_string("record_max_size"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
@ -161,6 +170,7 @@ ngx_rtmp_record_create_app_conf(ngx_conf_t *cf)
racf->max_size = NGX_CONF_UNSET;
racf->max_frames = NGX_CONF_UNSET;
racf->interval = NGX_CONF_UNSET;
racf->unique = NGX_CONF_UNSET;
return racf;
}
@ -178,6 +188,7 @@ ngx_rtmp_record_merge_app_conf(ngx_conf_t *cf, void *parent, void *child)
ngx_conf_merge_str_value(conf->suffix, prev->suffix, ".flv");
ngx_conf_merge_size_value(conf->max_size, prev->max_size, 0);
ngx_conf_merge_size_value(conf->max_frames, prev->max_frames, 0);
ngx_conf_merge_value(conf->unique, prev->unique, 0);
ngx_conf_merge_msec_value(conf->interval, prev->interval, 0);
return NGX_CONF_OK;
@ -209,36 +220,74 @@ ngx_rtmp_record_write_header(ngx_file_t *file)
}
/* This funcion returns pointer to a static buffer */
static u_char *
ngx_rtmp_record_make_path(ngx_rtmp_session_t *s)
{
ngx_rtmp_record_ctx_t *ctx;
ngx_rtmp_record_app_conf_t *racf;
u_char *p, *l;
static u_char buf[NGX_TIME_T_LEN + 1];
static u_char path[NGX_MAX_PATH + 1];
racf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_record_module);
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_record_module);
/* create file path */
p = path;
l = path + sizeof(path) - 1;
p = ngx_cpymem(p, racf->path.data,
ngx_min(racf->path.len, (size_t)(l - p - 1)));
*p++ = '/';
p = (u_char *)ngx_escape_uri(p, ctx->name, ngx_min(ngx_strlen(ctx->name),
(size_t)(l - p)), NGX_ESCAPE_URI_COMPONENT);
if (racf->unique) {
/* append timestamp */
p = ngx_cpymem(p, buf, ngx_min(ngx_sprintf(buf, "-%T",
ctx->timestamp) - buf, l - p));
}
p = ngx_cpymem(p, racf->suffix.data,
ngx_min(racf->suffix.len, (size_t)(l - p)));
*p = 0;
return path;
}
static ngx_int_t
ngx_rtmp_record_open(ngx_rtmp_session_t *s)
{
ngx_rtmp_record_ctx_t *ctx;
ngx_err_t err;
u_char *path;
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_record_module);
if (ctx == NULL || ctx->file.fd != NGX_INVALID_FILE) {
return NGX_ERROR;
}
ctx->timestamp = ngx_cached_time->sec;
path = ngx_rtmp_record_make_path(s);
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"record: path '%s'", path);
/* open file */
ctx->nframes = 0;
ngx_memzero(&ctx->file, sizeof(ctx->file));
ctx->file.offset = 0;
ctx->file.log = s->connection->log;
ctx->file.fd = ngx_open_file(ctx->path, NGX_FILE_WRONLY,
ctx->file.fd = ngx_open_file(path, NGX_FILE_WRONLY,
NGX_FILE_TRUNCATE, NGX_FILE_DEFAULT_ACCESS);
if (ctx->file.fd == NGX_INVALID_FILE) {
err = ngx_errno;
if (err != NGX_ENOENT) {
ngx_log_error(NGX_LOG_CRIT, s->connection->log, err,
"record: failed to open file" " \"%s\" failed",
ctx->path);
"record: failed to open file '%s'", path);
}
return NGX_OK;
}
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"record: opened '%s'", ctx->path);
"record: opened '%s'", path);
return NGX_OK;
}
@ -249,7 +298,6 @@ ngx_rtmp_record_publish(ngx_rtmp_session_t *s, ngx_rtmp_publish_t *v)
{
ngx_rtmp_record_app_conf_t *racf;
ngx_rtmp_record_ctx_t *ctx;
u_char *p, *l;
racf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_record_module);
@ -269,20 +317,7 @@ ngx_rtmp_record_publish(ngx_rtmp_session_t *s, ngx_rtmp_publish_t *v)
ngx_rtmp_set_ctx(s, ctx, ngx_rtmp_record_module);
}
/* create file path */
p = ctx->path;
l = ctx->path + sizeof(ctx->path) - 1;
p = ngx_cpymem(p, racf->path.data,
ngx_min(racf->path.len, (size_t)(l - p - 1)));
*p++ = '/';
p = (u_char *)ngx_escape_uri(p, v->name, ngx_min(ngx_strlen(v->name),
(size_t)(l - p)), NGX_ESCAPE_URI_COMPONENT);
p = ngx_cpymem(p, racf->suffix.data,
ngx_min(racf->suffix.len, (size_t)(l - p)));
*p = 0;
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"record: path '%s'", ctx->path);
ngx_memcpy(ctx->name, v->name, sizeof(ctx->name));
if (ngx_rtmp_record_open(s) != NGX_OK) {
return NGX_ERROR;
@ -302,6 +337,7 @@ ngx_rtmp_record_notify_create(ngx_rtmp_session_t *s, void *arg,
ngx_chain_t *hl, *cl, *pl;
ngx_buf_t *b;
size_t len;
u_char *path;
racf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_record_module);
@ -324,7 +360,8 @@ ngx_rtmp_record_notify_create(ngx_rtmp_session_t *s, void *arg,
return NULL;
}
len = ngx_strlen(ctx->path);
path = ngx_rtmp_record_make_path(s);
len = ngx_strlen(path);
b = ngx_create_temp_buf(pool,
sizeof("&call=record_done") +
@ -339,7 +376,7 @@ ngx_rtmp_record_notify_create(ngx_rtmp_session_t *s, void *arg,
sizeof("&call=record_done") - 1);
b->last = ngx_cpymem(b->last, (u_char*)"&path=", sizeof("&path=") - 1);
b->last = (u_char*)ngx_escape_uri(b->last, ctx->path, len, 0);
b->last = (u_char*)ngx_escape_uri(b->last, path, len, 0);
/* HTTP header */
hl = ngx_rtmp_netcall_http_format_header(racf->url, pool,
@ -549,7 +586,7 @@ ngx_rtmp_record_av(ngx_rtmp_session_t *s, ngx_rtmp_header_t *h,
{
if (ngx_rtmp_record_open(s) != NGX_OK) {
ngx_log_error(NGX_LOG_CRIT, s->connection->log, 0,
"record: '%s' failed", ctx->path);
"record: failed");
}
}
}