feature: clean disk if it's full

opencv-motion-detect/evslicer.cpp

@@ -1095,6 +1095,12 @@ public:
                                     // TODO: move to failed folder
                                     string dirDest = "/var/data/evsuits/failed_events/";
                                     system((string("mkdir -p ") + dirDest).c_str());
+                                    auto bfPer = sysutils::getDiskAvailPercent(dirDest);
+                                    if(bfPer >= 0.1) {
+                                    }else{
+                                        system((string("rm -fr ") + dirDest).c_str());
+                                    }
+
                                     json postArgs;
                                     postArgs["params"] = params;
                                     postArgs["fileNames"] = fileNames;

opencv-motion-detect/inc/utils.cpp

@@ -700,3 +700,16 @@ json getModulesOperFromConfDiff(json& oldConfig, json &newConfig, json &diff, st
     return ret;
 }
 } // cfgutils
+
+namespace sysutils {
+    double getDiskAvailPercent(string path) {
+        struct statvfs fiData;
+        if((statvfs(path.c_str(),&fiData)) < 0 ) {
+        } else {
+                double fper = fiData.f_bavail/double(fiData.f_blocks);
+                return fper;
+        }
+
+        return -1;
+    }
+}

opencv-motion-detect/inc/utils.hpp

@@ -16,6 +16,7 @@
 #include <string>
 #include <fstream>
 #include <fmt/format.h>
+#include <sys/statvfs.h>
 
 #define EVCLOUD_REQ_E_CONN -2
 #define EVCLOUD_REQ_E_DATA -3
@@ -50,6 +51,10 @@ namespace cfgutils {
    json getModuleGidsFromCfg(string sn, json &data, string caller = "", int ipcIdx = -1);
 }
 
+namespace sysutils{
+   double getDiskAvailPercent(string path);
+}
+
 struct StrException : public std::exception
 {
    std::string s;