static const char *
ngx_rtmp_control_record_handler(ngx_http_request_t *r, ngx_rtmp_session_t *s,
ngx_rtmp_core_srv_conf_t *cscf,
ngx_rtmp_core_app_conf_t **cacf)
{
ngx_int_t rc;
ngx_str_t rec;
ngx_uint_t rn;
ngx_rtmp_control_ctx_t *ctx;
ngx_rtmp_record_app_conf_t *racf;
*cacf = ngx_rtmp_get_module_app_conf(s, ngx_rtmp_core_module);
racf = (*cacf)->app_conf[ngx_rtmp_record_module.ctx_index];
if (ngx_http_arg(r, (u_char *) "rec", sizeof("rec") - 1, &rec) != NGX_OK) {
rec.len = 0;
}
rn = ngx_rtmp_record_find(racf, &rec);
if (rn == NGX_CONF_UNSET_UINT) {
return "Recorder not found";
}
ctx = ngx_http_get_module_ctx(r, ngx_rtmp_control_module);
if (ctx->method.len == sizeof("start") - 1 &&
ngx_strncmp(ctx->method.data, "start", ctx->method.len) == 0)
{
rc = ngx_rtmp_record_open(s, rn, &ctx->path);
} else if (ctx->method.len == sizeof("stop") - 1 &&
ngx_strncmp(ctx->method.data, "stop", ctx->method.len) == 0)
{
rc = ngx_rtmp_record_close(s, rn, &ctx->path);
} else {
return "Undefined method";
}
if (rc == NGX_ERROR) {
return "Recorder error";
}
return NGX_CONF_OK;
}
static ngx_int_t
ngx_rtmp_control_record(ngx_http_request_t *r, ngx_str_t *method)
{
ngx_rtmp_record_app_conf_t *racf;
ngx_rtmp_core_main_conf_t *cmcf;
ngx_rtmp_core_srv_conf_t **pcscf, *cscf;
ngx_rtmp_core_app_conf_t **pcacf, *cacf;
ngx_rtmp_live_app_conf_t *lacf;
ngx_rtmp_live_stream_t *ls;
ngx_rtmp_live_ctx_t *lctx;
ngx_rtmp_session_t *s;
ngx_chain_t cl;
ngx_uint_t sn, rn, n;
ngx_str_t srv, app, rec, name, path;
ngx_str_t msg;
ngx_buf_t *b;
ngx_int_t rc;
size_t len;
sn = 0;
if (ngx_http_arg(r, (u_char *) "srv", sizeof("srv") - 1, &srv) == NGX_OK) {
sn = ngx_atoi(srv.data, srv.len);
}
if (ngx_http_arg(r, (u_char *) "app", sizeof("app") - 1, &app) != NGX_OK) {
ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
"rtmp_control: app not specified");
ngx_str_set(&msg, "Application not specified");
goto error;
}
ngx_memzero(&rec, sizeof(rec));
ngx_http_arg(r, (u_char *) "rec", sizeof("rec") - 1, &rec);
ngx_memzero(&name, sizeof(name));
ngx_http_arg(r, (u_char *) "name", sizeof("name") - 1, &name);
cmcf = ngx_rtmp_core_main_conf;
if (cmcf == NULL) {
ngx_str_set(&msg, "Missing main RTMP conf");
goto error;
}
/* find server */
if (sn >= cmcf->servers.nelts) {
ngx_str_set(&msg, "Server index out of range");
goto error;
}
pcscf = cmcf->servers.elts;
pcscf += sn;
cscf = *pcscf;
/* find application */
pcacf = cscf->applications.elts;
cacf = NULL;
for (n = 0; n < cscf->applications.nelts; ++n, ++pcacf) {
if ((*pcacf)->name.len == app.len &&
ngx_strncmp((*pcacf)->name.data, app.data, app.len) == 0)
{
cacf = *pcacf;
break;
}
}
if (cacf == NULL) {
ngx_str_set(&msg, "Application not found");
goto error;
}
lacf = cacf->app_conf[ngx_rtmp_live_module.ctx_index];
racf = cacf->app_conf[ngx_rtmp_record_module.ctx_index];
/* find live stream by name */
for (ls = lacf->streams[ngx_hash_key(name.data, name.len) % lacf->nbuckets];
ls; ls = ls->next)
{
len = ngx_strlen(ls->name);
if (name.len == len && ngx_strncmp(name.data, ls->name, name.len)
== 0)
{
break;
}
}
if (ls == NULL) {
ngx_str_set(&msg, "Live stream not found");
goto error;
}
/* find publisher context */
for (lctx = ls->ctx; lctx; lctx = lctx->next) {
if (lctx->flags & NGX_RTMP_LIVE_PUBLISHING) {
break;
}
}
if (lctx == NULL) {
ngx_str_set(&msg, "No publisher");
goto error;
}
s = lctx->session;
/* find recorder */
rn = ngx_rtmp_record_find(racf, &rec);
if (rn == NGX_CONF_UNSET_UINT) {
ngx_str_set(&msg, "Recorder not found");
goto error;
}
ngx_memzero(&path, sizeof(path));
if (method->len == sizeof("start") - 1 &&
ngx_strncmp(method->data, "start", method->len) == 0)
{
rc = ngx_rtmp_record_open(s, rn, &path);
} else if (method->len == sizeof("stop") - 1 &&
ngx_strncmp(method->data, "stop", method->len) == 0)
{
rc = ngx_rtmp_record_close(s, rn, &path);
} else {
ngx_str_set(&msg, "Undefined method");
goto error;
}
if (rc == NGX_ERROR) {
ngx_str_set(&msg, "Recorder error");
goto error;
}
if (rc == NGX_AGAIN) {
/* already opened/closed */
ngx_str_null(&path);
r->header_only = 1;
}
r->headers_out.status = NGX_HTTP_OK;
r->headers_out.content_length_n = path.len;
b = ngx_create_temp_buf(r->pool, path.len);
if (b == NULL) {
return NGX_ERROR;
}
ngx_memzero(&cl, sizeof(cl));
cl.buf = b;
b->last = ngx_cpymem(b->pos, path.data, path.len);
b->last_buf = 1;
ngx_http_send_header(r);
return ngx_http_output_filter(r, &cl);
error:
r->headers_out.status = NGX_HTTP_BAD_REQUEST;
r->headers_out.content_length_n = msg.len;
b = ngx_calloc_buf(r->pool);
if (b == NULL) {
return NGX_ERROR;
}
ngx_memzero(&cl, sizeof(cl));
cl.buf = b;
b->start = b->pos = msg.data;
b->end = b->last = msg.data + msg.len;
b->memory = 1;
b->last_buf = 1;
ngx_http_send_header(r);
return ngx_http_output_filter(r, &cl);
}
