Diff: ICE-Application/src/Utilities/utilities.cpp

Revision:

0:61364762ee0e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ICE-Application/src/Utilities/utilities.cpp	Tue Jan 24 19:05:33 2017 +0000
@@ -0,0 +1,123 @@
+/******************************************************************************
+ * File:            utilities.cpp
+ * Description:
+ ******************************************************************************/
+#include <string.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include "mbed.h"
+#include "global.h"
+#include "cJSON.h"
+#include "ICELog.h"
+#include "utilities.h"
+
+//
+// function:            capture
+// description:         captures the output from the __heapstats function
+//
+static int capture(void* pBuffer, char const* pFormatString, ...)
+{
+    char*   pStringEnd = (char*)pBuffer + strlen((char*)pBuffer);
+    va_list valist;
+
+    va_start(valist, pFormatString);
+    return vsprintf(pStringEnd, pFormatString, valist);
+}
+
+//
+// function:            Util_isSequenceSubControl
+// description:         
+//
+bool Util_isSequenceSubControl(std::string controlFile)
+{
+    return (controlFile.substr(0, 4) == "seq_") ? true : false;
+}
+
+// 
+// function:            Util_isVirtualOutput
+// description:         
+//
+bool Util_isVirtualOutput(std::string output) 
+{
+    return (output.substr(0, 2) == "v_" ) ? true : false;
+}
+
+//
+// function:            getHeapData
+// description:         cleaned version of __heapstats()
+//
+// @param[in]           none
+// @param[out]          none
+// @return              none
+//
+std::string Util_getHeapData(void)
+{
+#ifndef __ICCARM__
+    char data[256];
+    memset(data, 0, sizeof(data));
+    __heapstats(capture, data);
+    std::string msg = data;
+    std::string::size_type pos = 0;
+    while ((pos = msg.find("\n", pos)) != std::string::npos) {
+        msg.erase(pos, std::string::npos);
+    }
+    return msg;
+#endif 
+}
+
+//
+// function:            getLastBootTime
+// description:         read the boot.time file and return the timestamp
+//
+// @param[in]           none
+// @param[out]          none
+// @return              none
+//
+std::string Util_getLastBootTime(void)
+{
+#ifdef MDOT_ICE
+    mDot::mdot_file file = GLOBAL_mdot->openUserFile("boot.time", mDot::FM_RDONLY);
+    if ( file.fd < 0 ) {
+        logError("%s: failed to open boot.time", __func__);
+        return "error";
+    }
+    char *data_buf = (char*) malloc(file.size);
+    bool rc = GLOBAL_mdot->readUserFile(file, data_buf, file.size);
+    if ( rc != true ) {
+        logError("%s: failed to read boot.time", __func__);
+        free(data_buf);
+        GLOBAL_mdot->closeUserFile(file);
+        return "error";
+    }
+    std::string bootTime = data_buf;
+
+    free(data_buf);
+    GLOBAL_mdot->closeUserFile(file);
+    return bootTime;
+#endif
+    return 0;
+}
+
+std::string Util_GetFileById(const std::string id)
+{
+    // loop through all the files looking for a matching ID
+    
+}
+
+std::string Util_GetIdbyFile(const std::string filename)
+{
+    char buf[MAX_FILE_SIZE];
+    std::string id = "";
+    int n = GLOBAL_mdot->readUserFile(filename.c_str(), (void*) buf, sizeof(buf));
+    if ( n != sizeof(buf) ) {
+        logError("%s: error reading %s", __func__, filename.c_str());
+        return id;
+    }
+    cJSON *root = cJSON_Parse(buf);
+    if ( !cJSON_HasObjectItem(root, "id") ) {
+        logError("%s: failed to find id in file %s\n", __func__, filename.c_str());
+    }
+    id = cJSON_GetObjectItem(root, "id")->valuestring;
+    cJSON_Delete(root);
+    return id;
+}