set_session 50 event/ngx_event_connect.h ngx_event_set_peer_session_pt set_session; set_session 1215 http/ngx_http_upstream.c if (u->peer.set_session(&u->peer, u->peer.data) != NGX_OK) { set_session 240 http/ngx_http_upstream_round_robin.c r->upstream->peer.set_session = set_session 346 http/ngx_http_upstream_round_robin.c r->upstream->peer.set_session =