static int cgi_recv_response(server *srv, handler_ctx *hctx) { switch (cgi_demux_response(srv, hctx)) { case FDEVENT_HANDLED_NOT_FINISHED: break; case FDEVENT_HANDLED_FINISHED: /* we are done */ #if 0 log_error_write(srv, __FILE__, __LINE__, "ddss", con->fd, hctx->fd, connection_get_state(con->state), "finished"); #endif cgi_connection_close(srv, hctx); /* if we get a IN|HUP and have read everything don't exec the close twice */ return HANDLER_FINISHED; case FDEVENT_HANDLED_COMEBACK: cgi_connection_close(srv, hctx); return HANDLER_COMEBACK; case FDEVENT_HANDLED_ERROR: log_error_write(srv, __FILE__, __LINE__, "s", "demuxer failed: "); cgi_connection_close(srv, hctx); return HANDLER_FINISHED; } return HANDLER_GO_ON; }
static handler_t cgi_handle_fdevent(void *s, void *ctx, int revents) { server *srv = (server *)s; handler_ctx *hctx = ctx; connection *con = hctx->remote_conn; joblist_append(srv, con); if (hctx->fd == -1) { log_error_write(srv, __FILE__, __LINE__, "ddss", con->fd, hctx->fd, connection_get_state(con->state), "invalid cgi-fd"); return HANDLER_ERROR; } if (revents & FDEVENT_IN) { switch (cgi_demux_response(srv, hctx)) { case FDEVENT_HANDLED_NOT_FINISHED: break; case FDEVENT_HANDLED_FINISHED: /* we are done */ #if 0 log_error_write(srv, __FILE__, __LINE__, "ddss", con->fd, hctx->fd, connection_get_state(con->state), "finished"); #endif cgi_connection_close(srv, hctx); /* if we get a IN|HUP and have read everything don't exec the close twice */ return HANDLER_FINISHED; case FDEVENT_HANDLED_ERROR: connection_set_state(srv, con, CON_STATE_HANDLE_REQUEST); con->http_status = 500; con->mode = DIRECT; log_error_write(srv, __FILE__, __LINE__, "s", "demuxer failed: "); break; } } if (revents & FDEVENT_OUT) { /* nothing to do */ } /* perhaps this issue is already handled */ if (revents & FDEVENT_HUP) { /* check if we still have a unfinished header package which is a body in reality */ if (con->file_started == 0 && hctx->response_header->used) { con->file_started = 1; http_chunk_append_mem(srv, con, hctx->response_header->ptr, hctx->response_header->used); joblist_append(srv, con); } if (con->file_finished == 0) { http_chunk_append_mem(srv, con, NULL, 0); joblist_append(srv, con); } con->file_finished = 1; if (chunkqueue_is_empty(con->write_queue)) { /* there is nothing left to write */ connection_set_state(srv, con, CON_STATE_RESPONSE_END); } else { /* used the write-handler to finish the request on demand */ } # if 0 log_error_write(srv, __FILE__, __LINE__, "sddd", "got HUP from cgi", con->fd, hctx->fd, revents); # endif /* rtsigs didn't liked the close */ cgi_connection_close(srv, hctx); } else if (revents & FDEVENT_ERR) { con->file_finished = 1; /* kill all connections to the cgi process */ cgi_connection_close(srv, hctx); #if 1 log_error_write(srv, __FILE__, __LINE__, "s", "cgi-FDEVENT_ERR"); #endif return HANDLER_ERROR; } return HANDLER_FINISHED; }