1 files changed, 223 insertions, 0 deletions
diff --git a/gps/loc_api/libloc_api_50001/loc_eng_dmn_conn_glue_msg.c b/gps/loc_api/libloc_api_50001/loc_eng_dmn_conn_glue_msg.c
new file mode 100644
index 0000000..a1076ff
--- /dev/null
+++ b/gps/loc_api/libloc_api_50001/loc_eng_dmn_conn_glue_msg.c
@@ -0,0 +1,223 @@
+/* Copyright (c) 2011, The Linux Foundation. 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 The Linux Foundation 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 <linux/stat.h>
+#include <fcntl.h>
+
+#include <linux/types.h>
+
+#include "log_util.h"
+#include "platform_lib_includes.h"
+#include "loc_eng_dmn_conn_glue_msg.h"
+#include "loc_eng_dmn_conn_handler.h"
+
+/*===========================================================================
+FUNCTION    loc_eng_dmn_conn_glue_msgget
+
+DESCRIPTION
+   This function get a message queue
+
+   q_path - name path of the message queue
+   mode -
+
+DEPENDENCIES
+   None
+
+RETURN VALUE
+   message queue id
+
+SIDE EFFECTS
+   N/A
+
+===========================================================================*/
+int loc_eng_dmn_conn_glue_msgget(const char * q_path, int mode)
+{
+    int msgqid;
+    msgqid = loc_eng_dmn_conn_glue_pipeget(q_path, mode);
+    return msgqid;
+}
+
+/*===========================================================================
+FUNCTION    loc_eng_dmn_conn_glue_msgremove
+
+DESCRIPTION
+   remove a message queue
+
+   q_path - name path of the message queue
+   msgqid - message queue id
+
+DEPENDENCIES
+   None
+
+RETURN VALUE
+   0: success or negative value for failure
+
+SIDE EFFECTS
+   N/A
+
+===========================================================================*/
+int loc_eng_dmn_conn_glue_msgremove(const char * q_path, int msgqid)
+{
+    int result;
+    result = loc_eng_dmn_conn_glue_piperemove(q_path, msgqid);
+    return result;
+}
+
+/*===========================================================================
+FUNCTION    loc_eng_dmn_conn_glue_msgsnd
+
+DESCRIPTION
+   Send a message
+
+   msgqid - message queue id
+   msgp - pointer to the message to be sent
+   msgsz - size of the message
+
+DEPENDENCIES
+   None
+
+RETURN VALUE
+   number of bytes sent out or negative value for failure
+
+SIDE EFFECTS
+   N/A
+
+===========================================================================*/
+int loc_eng_dmn_conn_glue_msgsnd(int msgqid, const void * msgp, size_t msgsz)
+{
+    int result;
+    struct ctrl_msgbuf *pmsg = (struct ctrl_msgbuf *) msgp;
+    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;
+}
+
+/*===========================================================================
+FUNCTION    loc_eng_dmn_conn_glue_msgrcv
+
+DESCRIPTION
+   receive a message
+
+   msgqid - message queue id
+   msgp - pointer to the buffer to hold the message
+   msgsz - size of the buffer
+
+DEPENDENCIES
+   None
+
+RETURN VALUE
+   number of bytes received or negative value for failure
+
+SIDE EFFECTS
+   N/A
+
+===========================================================================*/
+int loc_eng_dmn_conn_glue_msgrcv(int msgqid, void *msgp, size_t msgbufsz)
+{
+    int result;
+    struct ctrl_msgbuf *pmsg = (struct ctrl_msgbuf *) msgp;
+
+    result = loc_eng_dmn_conn_glue_piperead(msgqid, &(pmsg->msgsz), sizeof(pmsg->msgsz));
+    if (result != sizeof(pmsg->msgsz)) {
+        LOC_LOGE("%s:%d] pipe broken %d\n", __func__, __LINE__, result);
+        return -1;
+    }
+
+    if (msgbufsz < pmsg->msgsz) {
+        LOC_LOGE("%s:%d] msgbuf is too small %d < %d\n", __func__, __LINE__, (int) msgbufsz, (int) pmsg->msgsz);
+        return -1;
+    }
+
+    result = loc_eng_dmn_conn_glue_piperead(msgqid, (uint8_t *) msgp + sizeof(pmsg->msgsz), pmsg->msgsz - sizeof(pmsg->msgsz));
+    if (result != (int) (pmsg->msgsz - sizeof(pmsg->msgsz))) {
+        LOC_LOGE("%s:%d] pipe broken %d, msgsz = %d\n", __func__, __LINE__, result, (int) pmsg->msgsz);
+        return -1;
+    }
+
+    return pmsg->msgsz;
+}
+
+/*===========================================================================
+FUNCTION    loc_eng_dmn_conn_glue_msgunblock
+
+DESCRIPTION
+   unblock a message queue
+
+   msgqid - message queue id
+
+DEPENDENCIES
+   None
+
+RETURN VALUE
+   0: success
+
+SIDE EFFECTS
+   N/A
+
+===========================================================================*/
+int loc_eng_dmn_conn_glue_msgunblock(int msgqid)
+{
+    return loc_eng_dmn_conn_glue_pipeunblock(msgqid);
+}
+
+/*===========================================================================
+FUNCTION    loc_eng_dmn_conn_glue_msgflush
+
+DESCRIPTION
+   flush out the message in a queue
+
+   msgqid - message queue id
+
+DEPENDENCIES
+   None
+
+RETURN VALUE
+   number of bytes that are flushed out.
+
+SIDE EFFECTS
+   N/A
+
+===========================================================================*/
+int loc_eng_dmn_conn_glue_msgflush(int msgqid)
+{
+    int length;
+    char buf[128];
+
+    do {
+        length = loc_eng_dmn_conn_glue_piperead(msgqid, buf, 128);
+        LOC_LOGD("%s:%d] %s\n", __func__, __LINE__, buf);
+    } while(length);
+    return length;
+}
+