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ds4_server: Add /health endpoint that returns HTTP 200 once model is fully loaded #374

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ds4_server: Add /health endpoint that returns HTTP 200 once model is fully loaded #374

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12 changes: 12 additions & 0 deletions ds4_server.c
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Original file line number Diff line number Diff line change
Expand Up @@ -7708,6 +7708,7 @@ struct server {
visible_live_state thinking_live;
bool disable_exact_dsml_tool_replay;
bool enable_cors;
volatile bool model_ready;
pthread_mutex_t tool_mu;
pthread_mutex_t mu;
pthread_cond_t cv;
Expand Down Expand Up @@ -11147,6 +11148,16 @@ static void *client_main(void *arg) {
goto done;
}

if (!strcmp(hr.method, "GET") && !strcmp(hr.path, "/health")) {
if (s->model_ready) {
http_response(fd, s->enable_cors, 200, "text/plain", "ok");
} else {
http_error(fd, s->enable_cors, 503, "model not yet loaded");
}
http_request_free(&hr);
goto done;
}

if (!strcmp(hr.method, "GET") && !strcmp(hr.path, "/v1/models")) {
send_models(s, fd);
http_request_free(&hr);
Expand Down Expand Up @@ -11625,6 +11636,7 @@ int main(int argc, char **argv) {
s.disable_exact_dsml_tool_replay = cfg.disable_exact_dsml_tool_replay;
s.tool_mem.max_entries = cfg.tool_memory_max_ids;
s.enable_cors = cfg.enable_cors;
s.model_ready = true;
if (cfg.kv_disk_dir) {
kv_cache_open(&s.kv, cfg.kv_disk_dir, cfg.kv_disk_space_mb,
cfg.kv_cache_reject_different_quant, cfg.kv_cache);
Expand Down