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/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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apr_status_t ajp_ilink_send(apr_socket_t *sock, ajp_msg_t *msg)
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ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
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"ajp_ilink_send(): NULL socket provided");
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buf = (char *)msg->buf;
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apr_size_t written = length;
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status = apr_socket_send(sock, buf, &written);
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if (status != APR_SUCCESS) {
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ap_log_error(APLOG_MARK, APLOG_ERR, status, NULL,
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"ajp_ilink_send(): send failed");
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static apr_status_t ilink_read(apr_socket_t *sock, apr_byte_t *buf,
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apr_size_t length = len;
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status = apr_socket_recv(sock, (char *)(buf + rdlen), &length);
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if (status == APR_EOF)
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return status; /* socket closed. */
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else if (APR_STATUS_IS_EAGAIN(status))
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else if (status != APR_SUCCESS)
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return status; /* any error. */
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apr_status_t ajp_ilink_receive(apr_socket_t *sock, ajp_msg_t *msg)
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ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
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"ajp_ilink_receive(): NULL socket provided");
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hlen = msg->header_len;
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status = ilink_read(sock, msg->buf, hlen);
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if (status != APR_SUCCESS) {
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ap_log_error(APLOG_MARK, APLOG_ERR, status, NULL,
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"ajp_ilink_receive() can't receive header");
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return AJP_ENO_HEADER;
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status = ajp_msg_check_header(msg, &blen);
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if (status != APR_SUCCESS) {
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ap_log_error(APLOG_MARK, APLOG_ERR, 0, NULL,
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"ajp_ilink_receive() received bad header");
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return AJP_EBAD_HEADER;
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status = ilink_read(sock, msg->buf + hlen, blen);
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if (status != APR_SUCCESS) {
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ap_log_error(APLOG_MARK, APLOG_ERR, status, NULL,
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"ajp_ilink_receive() error while receiving message body "
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"of length %" APR_SIZE_T_FMT,
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return AJP_EBAD_MESSAGE;
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ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, NULL,
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"ajp_ilink_receive() received packet len=%" APR_SIZE_T_FMT
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blen, (int)msg->buf[hlen]);