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Improve traces in ap_proxy_http_process_response().
That will help to investigate PR 37770. (errors from backend :-)). git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@549420 13f79535-47bb-0310-9956-ffa450edef68
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@@ -1183,6 +1183,28 @@ static int addit_dammit(void *v, const char *key, const char *val)
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return 1;
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return 1;
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}
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}
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static
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apr_status_t ap_proxygetline(char *s, int n, request_rec *r,
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int fold, int *writen)
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{
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char *tmp_s = s;
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apr_status_t rv;
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apr_size_t len;
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apr_bucket_brigade *tmp_bb;
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tmp_bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
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rv = ap_rgetline(&tmp_s, n, &len, r, fold, tmp_bb);
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apr_brigade_destroy(tmp_bb);
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if (rv == APR_SUCCESS) {
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*writen = (int) len;
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} else {
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*writen = -1;
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}
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return rv;
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}
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static
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static
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apr_status_t ap_proxy_http_process_response(apr_pool_t * p, request_rec *r,
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apr_status_t ap_proxy_http_process_response(apr_pool_t * p, request_rec *r,
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proxy_conn_rec *backend,
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proxy_conn_rec *backend,
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@@ -1215,15 +1237,17 @@ apr_status_t ap_proxy_http_process_response(apr_pool_t * p, request_rec *r,
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*/
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*/
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rp->proxyreq = PROXYREQ_RESPONSE;
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rp->proxyreq = PROXYREQ_RESPONSE;
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do {
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do {
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apr_status_t rc;
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apr_brigade_cleanup(bb);
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apr_brigade_cleanup(bb);
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len = ap_getline(buffer, sizeof(buffer), rp, 0);
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rc = ap_proxygetline(buffer, sizeof(buffer), rp, 0, &len);
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if (len == 0) {
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if (len == 0) {
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/* handle one potential stray CRLF */
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/* handle one potential stray CRLF */
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len = ap_getline(buffer, sizeof(buffer), rp, 0);
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rc = ap_proxygetline(buffer, sizeof(buffer), rp, 0, &len);
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}
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}
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if (len <= 0) {
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if (len <= 0) {
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ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
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ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,
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"proxy: error reading status line from remote "
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"proxy: error reading status line from remote "
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"server %s", backend->hostname);
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"server %s", backend->hostname);
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return ap_proxyerror(r, HTTP_BAD_GATEWAY,
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return ap_proxyerror(r, HTTP_BAD_GATEWAY,
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