finished assessment

41 files changed, 170 insertions, 0 deletions

diff --git a/Lab Assessment b/Lab Assessment
new file mode 160000
+Subproject 5973d6a630ccf93e580ed01bd347c2ffa3fb7b3
diff --git a/labs/Makefile b/lab 1/Makefile
index b82064e..b82064e 100644
--- a/labs/Makefile
+++ b/lab 1/Makefile
diff --git a/labs/bin/points b/lab 1/bin/points
index 066ab5a..066ab5a 100755
--- a/labs/bin/points
+++ b/lab 1/bin/points
diff --git a/labs/build/counter.o b/lab 1/build/counter.o
index 814cfb5..814cfb5 100644
--- a/labs/build/counter.o
+++ b/lab 1/build/counter.o
diff --git a/labs/build/intvector.o b/lab 1/build/intvector.o
index 443a714..443a714 100644
--- a/labs/build/intvector.o
+++ b/lab 1/build/intvector.o
diff --git a/labs/build/main.o b/lab 1/build/main.o
index 963448d..963448d 100644
--- a/labs/build/main.o
+++ b/lab 1/build/main.o
diff --git a/labs/build/modulo_counter.o b/lab 1/build/modulo_counter.o
index d9ea828..d9ea828 100644
--- a/labs/build/modulo_counter.o
+++ b/lab 1/build/modulo_counter.o
diff --git a/labs/build/point.o b/lab 1/build/point.o
index 808d1e4..808d1e4 100644
--- a/labs/build/point.o
+++ b/lab 1/build/point.o
diff --git a/labs/build/rcl_circuit.o b/lab 1/build/rcl_circuit.o
index ad391de..ad391de 100644
--- a/labs/build/rcl_circuit.o
+++ b/lab 1/build/rcl_circuit.o
diff --git a/labs/build/stopwatch.o b/lab 1/build/stopwatch.o
index c4ccb63..c4ccb63 100644
--- a/labs/build/stopwatch.o
+++ b/lab 1/build/stopwatch.o
diff --git a/labs/build/triangle.o b/lab 1/build/triangle.o
index 1680109..1680109 100644
--- a/labs/build/triangle.o
+++ b/lab 1/build/triangle.o
diff --git a/labs/include/counter.hpp b/lab 1/include/counter.hpp
index f072183..f072183 100644
--- a/labs/include/counter.hpp
+++ b/lab 1/include/counter.hpp
diff --git a/labs/include/intvector.hpp b/lab 1/include/intvector.hpp
index f5f0912..f5f0912 100644
--- a/labs/include/intvector.hpp
+++ b/lab 1/include/intvector.hpp
diff --git a/labs/include/modulo_counter.hpp b/lab 1/include/modulo_counter.hpp
index 5c04ab0..5c04ab0 100644
--- a/labs/include/modulo_counter.hpp
+++ b/lab 1/include/modulo_counter.hpp
diff --git a/labs/include/people.hpp b/lab 1/include/people.hpp
index c4f8b64..c4f8b64 100644
--- a/labs/include/people.hpp
+++ b/lab 1/include/people.hpp
diff --git a/labs/include/point.hpp b/lab 1/include/point.hpp
index 40aa56f..40aa56f 100644
--- a/labs/include/point.hpp
+++ b/lab 1/include/point.hpp
diff --git a/labs/include/rcl_circuit.hpp b/lab 1/include/rcl_circuit.hpp
index 41e1e6d..41e1e6d 100644
--- a/labs/include/rcl_circuit.hpp
+++ b/lab 1/include/rcl_circuit.hpp
diff --git a/labs/include/stopwatch.hpp b/lab 1/include/stopwatch.hpp
index 208aebd..208aebd 100644
--- a/labs/include/stopwatch.hpp
+++ b/lab 1/include/stopwatch.hpp
diff --git a/labs/include/triangle.hpp b/lab 1/include/triangle.hpp
index 9c13fb9..9c13fb9 100644
--- a/labs/include/triangle.hpp
+++ b/lab 1/include/triangle.hpp
diff --git a/labs/src/counter.cpp b/lab 1/src/counter.cpp
index 2af38a8..2af38a8 100644
--- a/labs/src/counter.cpp
+++ b/lab 1/src/counter.cpp
diff --git a/labs/src/intvector.cpp b/lab 1/src/intvector.cpp
index fae9ff0..fae9ff0 100644
--- a/labs/src/intvector.cpp
+++ b/lab 1/src/intvector.cpp
diff --git a/labs/src/main.cpp b/lab 1/src/main.cpp
index 399a22c..399a22c 100644
--- a/labs/src/main.cpp
+++ b/lab 1/src/main.cpp
diff --git a/labs/src/main_intvector.cpp.bck b/lab 1/src/main_intvector.cpp.bck
index c3043e5..c3043e5 100644
--- a/labs/src/main_intvector.cpp.bck
+++ b/lab 1/src/main_intvector.cpp.bck
diff --git a/labs/src/main_stopwatch.cpp.bck b/lab 1/src/main_stopwatch.cpp.bck
index 9239cc0..9239cc0 100644
--- a/labs/src/main_stopwatch.cpp.bck
+++ b/lab 1/src/main_stopwatch.cpp.bck
diff --git a/labs/src/main_triangles.cpp.bck b/lab 1/src/main_triangles.cpp.bck
index 217b95e..217b95e 100644
--- a/labs/src/main_triangles.cpp.bck
+++ b/lab 1/src/main_triangles.cpp.bck
diff --git a/labs/src/modulo_counter.cpp b/lab 1/src/modulo_counter.cpp
index 3173139..3173139 100644
--- a/labs/src/modulo_counter.cpp
+++ b/lab 1/src/modulo_counter.cpp
diff --git a/labs/src/point.cpp b/lab 1/src/point.cpp
index 2f63c24..2f63c24 100644
--- a/labs/src/point.cpp
+++ b/lab 1/src/point.cpp
diff --git a/labs/src/rcl_circuit.cpp b/lab 1/src/rcl_circuit.cpp
index 8ec3fb2..8ec3fb2 100644
--- a/labs/src/rcl_circuit.cpp
+++ b/lab 1/src/rcl_circuit.cpp
diff --git a/labs/src/stopwatch.cpp b/lab 1/src/stopwatch.cpp
index 602bafb..602bafb 100644
--- a/labs/src/stopwatch.cpp
+++ b/lab 1/src/stopwatch.cpp
diff --git a/labs/src/triangle.cpp b/lab 1/src/triangle.cpp
index 8c715b3..8c715b3 100644
--- a/labs/src/triangle.cpp
+++ b/lab 1/src/triangle.cpp
diff --git a/lab 2/.atom-build.json b/lab 2/.atom-build.json
new file mode 100644
index 0000000..33d28f5
--- /dev/null
+++ b/lab 2/.atom-build.json
@@ -0,0 +1,3 @@
+{
+  "cmd": "make"
+}
diff --git a/lab 2/.clang_complete b/lab 2/.clang_complete
new file mode 100644
index 0000000..30679be
--- /dev/null
+++ b/lab 2/.clang_complete
@@ -0,0 +1 @@
+-Iinclude
diff --git a/lab 2/Makefile b/lab 2/Makefile
new file mode 100644
index 0000000..c13729d
--- /dev/null
+++ b/lab 2/Makefile
@@ -0,0 +1,34 @@
+CC := g++ # this is the main compiler
+# CC := clange --analyze # and comment out the linker last line
+SRCDIR := src
+BUILDDIR := build
+TARGET := bin/main
+
+SRCEXT := cpp
+SOURCES := $(shell find $(SRCDIR) -type f -name "*.$(SRCEXT)")
+OBJECTS := $(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(SOURCES:.$(SRCEXT)=.o))
+CFLAGS := -g -Wall -Wextra -Wpedantic -std=c++14
+LIB :=
+INC := -Iinclude
+
+$(TARGET): $(OBJECTS)
+	@echo " Linking..."
+	@echo " $(CC) $^ -o $(TARGET) $(LIB)"; $(CC) $^ -o $(TARGET) $(LIB)
+
+$(BUILDDIR)/%.o: $(SRCDIR)/%.$(SRCEXT)
+	@mkdir -p $(BUILDDIR)
+	@echo " $(CC) $(CFLAGS) $(INC) -c -o $@ $<"; $(CC) $(CFLAGS) $(INC) -c -o $@ $<
+
+clean:
+	@echo " Cleaning..."
+	@echo " $(RM) -r $(BUILDDIR) $(TARGET)"; $(RM) -r $(BUILDDIR) $(TARGET)
+
+# Tests
+tester:
+	@echo " $(CC) $(CFLAGS) test/tester.cpp $(INC) $(LIB) -o bin/tester"; $(CC) $(CFLAGS) test/tester.cpp $(INC) $(LIB) -o bin/tester
+
+# Spikes
+ticket:
+	@echo " $(CC) $(CFLAGS) spikes/ticket.cpp $(INC) $(LIB) -o bin/ticket"; $(CC) $(CFLAGS) spikes/ticket.cpp $(INC) $(LIB) -o bin/ticket
+
+.PHONY: clean
diff --git a/lab 2/bin/main b/lab 2/bin/main
new file mode 100755
index 0000000..ff7a80d
--- /dev/null
+++ b/lab 2/bin/main
diff --git a/lab 2/build/db_access.o b/lab 2/build/db_access.o
new file mode 100644
index 0000000..0e3df43
--- /dev/null
+++ b/lab 2/build/db_access.o
diff --git a/lab 2/build/lockdb.o b/lab 2/build/lockdb.o
new file mode 100644
index 0000000..d3100ac
--- /dev/null
+++ b/lab 2/build/lockdb.o
diff --git a/lab 2/build/main.o b/lab 2/build/main.o
new file mode 100644
index 0000000..6d75397
--- /dev/null
+++ b/lab 2/build/main.o
diff --git a/lab 2/include/lockdb.hpp b/lab 2/include/lockdb.hpp
new file mode 100644
index 0000000..43335a4
--- /dev/null
+++ b/lab 2/include/lockdb.hpp
@@ -0,0 +1,13 @@
+#ifndef LOCKDB_HPP
+#define LOCKDB_HPP
+
+class Lockdb {
+public:
+    Lockdb();
+    ~Lockdb();
+    bool get_status();
+private:
+    bool status;
+};
+
+#endif
diff --git a/lab 2/src/db_access.cpp b/lab 2/src/db_access.cpp
new file mode 100644
index 0000000..7cb32c1
--- /dev/null
+++ b/lab 2/src/db_access.cpp
@@ -0,0 +1,46 @@
+/*#include <iostream>
+#include <fstream>
+
+using namespace std;
+
+void write_db(int data) {
+    // do some work here
+    // throw exception();
+}
+
+bool update_db(int data) {
+    bool exit_code;
+    ifstream infile(".lockdb");
+
+    if(infile.is_open()) {
+        cout << "resource is busy" << endl;
+        infile.close();
+        exit_code = false;
+    } else {
+        ofstream outfile(".lockdb");
+
+        if(!outfile.is_open()) {
+            throw runtime_error("couldn't lock resource");
+        }
+
+        cout << "resource is locked" << endl;
+        outfile.close();
+        cout << "doing some operations" << endl;
+        write_db(data);
+        remove(".lockdb");
+        cout << "resource is unlocked" << endl;
+        exit_code = true;
+    }
+
+    return exit_code;
+}
+
+int main(int argc, char* argv[]) {
+    try {
+        update_db(10);
+    } catch(exception e) {
+        cout << "exception occured" << endl;
+    }
+
+    return 0;
+}*/
diff --git a/lab 2/src/lockdb.cpp b/lab 2/src/lockdb.cpp
new file mode 100644
index 0000000..82903da
--- /dev/null
+++ b/lab 2/src/lockdb.cpp
@@ -0,0 +1,36 @@
+#include "lockdb.hpp"
+
+#include <fstream>
+#include <iostream>
+
+using namespace std;
+
+Lockdb::Lockdb() {
+    ifstream infile(".lockdb");
+    if(infile.is_open()) {
+        status = false;
+        cout << "resouce is busy" << endl;
+    } else {
+        ofstream outfile(".lockdb");
+
+        if(!outfile.is_open()) {
+            status = false;
+            throw runtime_error("couldn't lock resource");
+        }
+
+        status = true;
+        cout << "resource is locked" << endl;
+    }
+}
+
+Lockdb::~Lockdb() {
+    cout << "destructor" << endl;
+    if(status) {
+        remove(".lockdb");
+        cout << "resource unlocked" << endl;
+    }
+}
+
+bool Lockdb::get_status() {
+    return status;
+}
diff --git a/lab 2/src/main.cpp b/lab 2/src/main.cpp
new file mode 100644
index 0000000..440da42
--- /dev/null
+++ b/lab 2/src/main.cpp
@@ -0,0 +1,37 @@
+#include "lockdb.hpp"
+
+#include <iostream>
+
+using namespace std;
+
+bool update_db(int data);
+void write_db(int data);
+
+int main(int argc, char* argv[]) {
+    try {
+        update_db(10);
+    } catch(exception e) {
+        cout << "exception occured" << endl;
+    }
+    return 0;
+}
+
+bool update_db(int data) {
+    bool exit_code;
+    Lockdb ldb;
+
+    if(ldb.get_status()) {
+        cout << "doing some operations" << endl;
+        write_db(data);
+        exit_code = true;
+    } else {
+        exit_code = false;
+    }
+
+    return exit_code;
+}
+
+void write_db(int data) {
+    // do something with data
+    throw exception();
+}