static ngx_int_t
ngx_rtmp_play_next_entry(ngx_rtmp_session_t *s, ngx_rtmp_play_t *v)
{
ngx_rtmp_play_app_conf_t *pacf;
ngx_rtmp_core_srv_conf_t *cscf;
ngx_rtmp_play_ctx_t *ctx;
ngx_rtmp_play_entry_t *pe;
u_char *p;
static u_char path[NGX_MAX_PATH + 1];
pacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_play_module);
cscf = ngx_rtmp_get_module_srv_conf(s, ngx_rtmp_core_module);
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_play_module);
for ( ;; ) {
if (ctx->file.fd != NGX_INVALID_FILE) {
ngx_close_file(ctx->file.fd);
ctx->file.fd = NGX_INVALID_FILE;
}
if (ctx->file_id) {
ngx_rtmp_play_cleanup_local_file(s);
}
ctx->nentry = (ctx->nentry == NGX_CONF_UNSET_UINT ?
0 : ctx->nentry + 1);
if (ctx->nentry >= pacf->entries.nelts) {
ngx_log_debug0(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"play: all entries failed");
ngx_rtmp_send_status(s, "NetStream.Play.StreamNotFound", "error",
"Video on demand stream not found");
break;
}
pe = ngx_rtmp_play_get_current_entry(s);
ngx_log_debug4(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"play: trying %s entry %ui/%uz '%V'",
pe->url ? "remote" : "local",
ctx->nentry + 1, pacf->entries.nelts,
pe->url ? &pe->url->url : pe->root);
/* open remote */
if (pe->url) {
return ngx_rtmp_play_open_remote(s, v);
}
/* open local */
p = ngx_snprintf(path, NGX_MAX_PATH, "%V/%s%V",
pe->root, v->name + ctx->pfx_size, &ctx->sfx);
*p = 0;
ctx->file.fd = ngx_open_file(path, NGX_FILE_RDONLY, NGX_FILE_OPEN,
cscf->file_access);
if (ctx->file.fd == NGX_INVALID_FILE) {
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, ngx_errno,
"play: error opening file '%s'", path);
continue;
}
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"play: open local file '%s'", path);
if (ngx_rtmp_play_open(s, v->start) != NGX_OK) {
return NGX_ERROR;
}
break;
}
return next_play(s, v);
}
static ngx_int_t
ngx_rtmp_play_play(ngx_rtmp_session_t *s, ngx_rtmp_play_t *v)
{
ngx_rtmp_play_main_conf_t *pmcf;
ngx_rtmp_play_app_conf_t *pacf;
ngx_rtmp_play_ctx_t *ctx;
u_char *p;
ngx_rtmp_play_fmt_t *fmt, **pfmt;
ngx_str_t *pfx, *sfx;
ngx_str_t name;
ngx_uint_t n;
static ngx_str_t nosfx;
static u_char path[NGX_MAX_PATH];
pmcf = ngx_rtmp_get_module_main_conf(s, ngx_rtmp_play_module);
pacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_play_module);
if (pacf == NULL || (pacf->root.len == 0 && pacf->url == NULL)) {
goto next;
}
ngx_log_debug2(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"play: play name='%s' timestamp=%i",
v->name, (ngx_int_t) v->start);
ctx = ngx_rtmp_get_module_ctx(s, ngx_rtmp_play_module);
if (ctx && ctx->file.fd != NGX_INVALID_FILE) {
ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
"play: already playing");
goto next;
}
/* check for double-dot in v->name;
* we should not move out of play directory */
for (p = v->name; *p; ++p) {
if (ngx_path_separator(p[0]) &&
p[1] == '.' && p[2] == '.' &&
ngx_path_separator(p[3]))
{
ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
"play: bad name '%s'", v->name);
return NGX_ERROR;
}
}
if (ctx == NULL) {
ctx = ngx_palloc(s->connection->pool, sizeof(ngx_rtmp_play_ctx_t));
ngx_rtmp_set_ctx(s, ctx, ngx_rtmp_play_module);
}
ngx_memzero(ctx, sizeof(*ctx));
ctx->file.log = s->connection->log;
name.len = ngx_strlen(v->name);
name.data = v->name;
pfmt = pmcf->fmts.elts;
for (n = 0; n < pmcf->fmts.nelts; ++n, ++pfmt) {
fmt = *pfmt;
pfx = &fmt->pfx;
sfx = &fmt->sfx;
if (pfx->len == 0 && ctx->fmt == NULL) {
ctx->fmt = fmt;
}
if (pfx->len && name.len >= pfx->len &&
ngx_strncasecmp(pfx->data, name.data, pfx->len) == 0)
{
name.data += pfx->len;
name.len -= pfx->len;
ctx->fmt = fmt;
break;
}
if (name.len >= sfx->len &&
ngx_strncasecmp(sfx->data, name.data + name.len - sfx->len,
sfx->len) == 0)
{
ctx->fmt = fmt;
}
}
if (ctx->fmt == NULL) {
ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
"play: fmt not found");
goto next;
}
ctx->file.fd = NGX_INVALID_FILE;
ngx_log_error(NGX_LOG_INFO, s->connection->log, 0,
"play %s: %V", pacf->url ? "remote" : "local",
&ctx->fmt->name);
sfx = &ctx->fmt->sfx;
if (name.len >= sfx->len &&
ngx_strncasecmp(sfx->data, name.data + name.len - sfx->len,
sfx->len)
== 0)
{
sfx = &nosfx;
}
/* remote? */
if (pacf->url) {
ctx->name.data = ngx_palloc(s->connection->pool, name.len + sfx->len);
if (ctx->name.data == NULL) {
return NGX_ERROR;
}
p = ngx_sprintf(ctx->name.data, "%V%V", &name, sfx);
*p = 0;
ctx->name.len = p - ctx->name.data;
return ngx_rtmp_play_open_remote(s, v);
}
/* open local */
p = ngx_snprintf(path, sizeof(path), "%V/%V%V", &pacf->root, &name, sfx);
*p = 0;
ctx->file.fd = ngx_open_file(path, NGX_FILE_RDONLY, NGX_FILE_OPEN,
NGX_FILE_DEFAULT_ACCESS);
if (ctx->file.fd == NGX_INVALID_FILE) {
ngx_log_error(NGX_LOG_ERR, s->connection->log, ngx_errno,
"play: error opening file '%s'", path);
ngx_rtmp_send_status(s, "NetStream.Play.StreamNotFound", "error",
"Video on demand stream not found");
return NGX_OK;
}
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"play: opened local file '%s'", path);
if (ngx_rtmp_play_open(s, v->start) != NGX_OK) {
return NGX_ERROR;
}
next:
return next_play(s, v);
}
