static apr_status_t ef_output_filter(ap_filter_t *f, apr_bucket_brigade *bb)
{
request_rec *r = f->r;
ef_ctx_t *ctx = f->ctx;
apr_status_t rv;
if (!ctx) {
if ((rv = init_filter_instance(f)) != APR_SUCCESS) {
ctx = f->ctx;
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
"can't initialise output filter %s: %s",
f->frec->name,
(ctx->dc->onfail == 1) ? "removing" : "aborting");
ap_remove_output_filter(f);
if (ctx->dc->onfail == 1) {
return ap_pass_brigade(f->next, bb);
}
else {
apr_bucket *e;
f->r->status_line = "500 Internal Server Error";
apr_brigade_cleanup(bb);
e = ap_bucket_error_create(HTTP_INTERNAL_SERVER_ERROR,
NULL, r->pool,
f->c->bucket_alloc);
APR_BRIGADE_INSERT_TAIL(bb, e);
e = apr_bucket_eos_create(f->c->bucket_alloc);
APR_BRIGADE_INSERT_TAIL(bb, e);
ap_pass_brigade(f->next, bb);
return AP_FILTER_ERROR;
}
}
ctx = f->ctx;
}
if (ctx->noop) {
ap_remove_output_filter(f);
return ap_pass_brigade(f->next, bb);
}
rv = ef_unified_filter(f, bb);
if (rv != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
"ef_unified_filter() failed");
}
if ((rv = ap_pass_brigade(f->next, bb)) != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
"ap_pass_brigade() failed");
}
return rv;
}
static apr_status_t ef_input_filter(ap_filter_t *f, apr_bucket_brigade *bb,
ap_input_mode_t mode, apr_read_type_e block,
apr_off_t readbytes)
{
ef_ctx_t *ctx = f->ctx;
apr_status_t rv;
if (!ctx) {
if ((rv = init_filter_instance(f)) != APR_SUCCESS) {
ctx = f->ctx;
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, f->r, APLOGNO(01470)
"can't initialise input filter %s: %s",
f->frec->name,
(ctx->dc->onfail == 1) ? "removing" : "aborting");
ap_remove_input_filter(f);
if (ctx->dc->onfail == 1) {
return ap_get_brigade(f->next, bb, mode, block, readbytes);
}
else {
f->r->status = HTTP_INTERNAL_SERVER_ERROR;
return HTTP_INTERNAL_SERVER_ERROR;
}
}
ctx = f->ctx;
}
if (ctx->hit_eos) {
/* Match behaviour of HTTP_IN if filter is re-invoked after
* hitting EOS: give back another EOS. */
apr_bucket *e = apr_bucket_eos_create(f->c->bucket_alloc);
APR_BRIGADE_INSERT_TAIL(bb, e);
return APR_SUCCESS;
}
if (ctx->noop) {
ap_remove_input_filter(f);
return ap_get_brigade(f->next, bb, mode, block, readbytes);
}
rv = ap_get_brigade(f->next, bb, mode, block, readbytes);
if (rv != APR_SUCCESS) {
return rv;
}
rv = ef_unified_filter(f, bb);
return rv;
}
static int ef_input_filter(ap_filter_t *f, apr_bucket_brigade *bb,
ap_input_mode_t mode, apr_read_type_e block,
apr_off_t readbytes)
{
ef_ctx_t *ctx = f->ctx;
apr_status_t rv;
if (!ctx) {
if ((rv = init_filter_instance(f)) != APR_SUCCESS) {
ctx = f->ctx;
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, f->r,
"can't initialise input filter %s: %s",
f->frec->name,
(ctx->dc->onfail == 1) ? "removing" : "aborting");
ap_remove_input_filter(f);
if (ctx->dc->onfail == 1) {
return ap_get_brigade(f->next, bb, mode, block, readbytes);
}
else {
f->r->status = HTTP_INTERNAL_SERVER_ERROR;
return HTTP_INTERNAL_SERVER_ERROR;
}
}
ctx = f->ctx;
}
if (ctx->noop || ctx->hit_eos) {
ap_remove_input_filter(f);
return ap_get_brigade(f->next, bb, mode, block, readbytes);
}
rv = ap_get_brigade(f->next, bb, mode, block, readbytes);
if (rv != APR_SUCCESS) {
return rv;
}
rv = ef_unified_filter(f, bb);
return rv;
}
