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/* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Code Aurora Forum, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <fcntl.h>
#include "loc_eng_msg.h"
#include "loc_eng_dmn_conn_glue_msg.h"
#ifdef _ANDROID_
#define LOC_ENG_MSG_REQ_Q_PATH "/data/misc/gpsone_d/loc_eng_msg_req_q"
#else
#define LOC_ENG_MSG_REQ_Q_PATH "/tmp/loc_eng_msg_req_q"
#endif
int loc_eng_msgget(int * p_req_msgq)
{
* p_req_msgq = loc_eng_dmn_conn_glue_msgget(LOC_ENG_MSG_REQ_Q_PATH, O_RDWR);
return 0;
}
int loc_eng_msgremove(int req_msgq)
{
loc_eng_dmn_conn_glue_piperemove(LOC_ENG_MSG_REQ_Q_PATH, req_msgq);
return 0;
}
int loc_eng_msgsnd(int msgqid, void * msgp)
{
int ret = loc_eng_dmn_conn_glue_pipewrite(msgqid, msgp, sizeof(void*));
return ret;
}
int loc_eng_msgsnd_raw(int msgqid, void * msgp, unsigned int msgsz)
{
int result;
struct msgbuf * pmsg = (struct msgbuf *) msgp;
if (msgsz < sizeof(struct msgbuf)) {
LOC_LOGE("%s:%d] msgbuf is too small %d\n", __func__, __LINE__, msgsz);
return -1;
}
pmsg->msgsz = msgsz;
result = loc_eng_dmn_conn_glue_pipewrite(msgqid, msgp, msgsz);
if (result != (int) msgsz) {
LOC_LOGE("%s:%d] pipe broken %d, msgsz = %d\n", __func__, __LINE__, result, (int) msgsz);
return -1;
}
return result;
}
int loc_eng_msgrcv(int msgqid, void ** msgp)
{
int ret = loc_eng_dmn_conn_glue_piperead(msgqid, msgp, sizeof(void*));
return ret;
}
int loc_eng_msgrcv_raw(int msgqid, void *msgp, unsigned int msgsz)
{
int result;
struct msgbuf * pmsg = (struct msgbuf *) msgp;
if (msgsz < sizeof(struct msgbuf)) {
LOC_LOGE("%s:%d] msgbuf is too small %d\n", __func__, __LINE__, msgsz);
return -1;
}
result = loc_eng_dmn_conn_glue_piperead(msgqid, msgp, sizeof(struct msgbuf));
if (result != sizeof(struct msgbuf)) {
LOC_LOGE("%s:%d] pipe broken %d\n", __func__, __LINE__, result);
return -1;
}
if (msgsz < pmsg->msgsz) {
LOC_LOGE("%s:%d] msgbuf is too small %d < %d\n", __func__, __LINE__, (int) msgsz, (int) pmsg->msgsz);
return -1;
}
if (pmsg->msgsz > sizeof(struct msgbuf)) {
/* there is msg body */
msgp += sizeof(struct msgbuf);
result = loc_eng_dmn_conn_glue_piperead(msgqid, msgp, pmsg->msgsz - sizeof(struct msgbuf));
if (result != (int) (pmsg->msgsz - sizeof(struct msgbuf))) {
LOC_LOGE("%s:%d] pipe broken %d, msgid = %p, msgsz = %d\n", __func__, __LINE__, result,
(pmsg->msgid), (int) pmsg->msgsz);
return -1;
}
}
return pmsg->msgsz;
}
int loc_eng_msgflush(int msgqid)
{
return loc_eng_dmn_conn_glue_msgflush(msgqid);
}
int loc_eng_msgunblock(int msgqid)
{
return loc_eng_dmn_conn_glue_pipeunblock(msgqid);
}
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