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-rw-r--r--gps/libloc_api_50001/loc_eng_msg.cpp133
1 files changed, 133 insertions, 0 deletions
diff --git a/gps/libloc_api_50001/loc_eng_msg.cpp b/gps/libloc_api_50001/loc_eng_msg.cpp
new file mode 100644
index 0000000..97c0457
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+++ b/gps/libloc_api_50001/loc_eng_msg.cpp
@@ -0,0 +1,133 @@
+/* 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);
+}