First commit

.gitignore

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+*.exe
+*.out

Makefile

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+
+CFLAGS = -Wall -Wextra -ggdb
+
+ifeq ($(OS),Windows_NT)
+	LFLAGS = -lws2_32
+	EXT = .exe
+else
+	LFLAGS =
+	EXT = .out
+endif
+
+.PHONY: all clean
+
+all: metadata_server$(EXT) chunk_server$(EXT) example$(EXT)
+
+metadata_server$(EXT): TinyDFS.c TinyDFS.h
+	gcc -o $@ TinyDFS.c -DBUILD_METADATA_SERVER $(CFLAGS) $(LFLAGS)
+
+chunk_server$(EXT): TinyDFS.c TinyDFS.h
+	gcc -o $@ TinyDFS.c -DBUILD_CHUNK_SERVER $(CFLAGS) $(LFLAGS)
+
+example$(EXT): examples/main.c TinyDFS.c TinyDFS.h
+	gcc -o $@ examples/main.c TinyDFS.c $(CFLAGS) $(LFLAGS)
+
+clean:
+	rm                      \
+		metadata_server.exe \
+		matadata_server.out \
+		chunk_server.exe    \
+		chunk_server.out    \
+		example.exe         \
+		example.out

TinyDFS.h

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+#ifndef TINYDFS_INCLUDED
+#define TINYDFS_INCLUDED
+
+typedef struct TinyDFS TinyDFS;
+
+typedef enum {
+    TINYDFS_RESULT_CREATE_ERROR,
+    TINYDFS_RESULT_CREATE_SUCCESS,
+    TINYDFS_RESULT_DELETE_ERROR,
+    TINYDFS_RESULT_DELETE_SUCCESS,
+    TINYDFS_RESULT_LIST_ERROR,
+    TINYDFS_RESULT_LIST_SUCCESS,
+    TINYDFS_RESULT_READ_ERROR,
+    TINYDFS_RESULT_READ_SUCCESS,
+    TINYDFS_RESULT_WRITE_ERROR,
+    TINYDFS_RESULT_WRITE_SUCCESS,
+} TinyDFS_ResultType;
+
+typedef struct {
+    TinyDFS_ResultType type;
+} TinyDFS_Result;
+
+typedef int TinyDFS_Handle;
+#define TINYDFS_INVALID ((TinyDFS_Handle) -1)
+
+TinyDFS*       tinydfs_init(void);
+void           tinydfs_free(TinyDFS *tdfs);
+int            tinydfs_wait(TinyDFS *tdfs, TinyDFS_Handle handle, TinyDFS_Result *result, int timeout);
+TinyDFS_Handle tinydfs_submit_create (TinyDFS *tdfs, char *path, int path_len, bool is_dir, unsigned int chunk_size);
+TinyDFS_Handle tinydfs_submit_delete (TinyDFS *tdfs, char *path, int path_len);
+TinyDFS_Handle tinydfs_submit_list   (TinyDFS *tdfs, char *path, int path_len);
+TinyDFS_Handle tinydfs_submit_read   (TinyDFS *tdfs, char *path, int path_len, void *dst, int len);
+TinyDFS_Handle tinydfs_submit_write  (TinyDFS *tdfs, char *path, int path_len, void *src, int len);
+
+#endif // TINYDFS_INCLUDED

examples/main.c

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+#include <TinyDFS.h>
+
+int main(void)
+{
+    TinyDFS *tdfs = tinydfs_init();
+    if (tdfs == NULL)
+        return -1;
+
+    if (tinydfs_submit_create(tdfs, "/my_file_1", -1, false, 1024) == TINDFS_INVALID) {
+        tinydfs_free(tdfs);
+        return -1;
+    }
+
+    if (tinydfs_submit_create(tdfs, "/my_file_2", -1, false, 1024) == TINDFS_INVALID) {
+        tinydfs_free(tdfs);
+        return -1;
+    }
+
+    char buff_1[] = "This is file 1";
+    if (tinydfs_submit_write(tdfs, "/my_file_1", buff_1, sizeof(buff_1)-1) == TINDFS_INVALID) {
+        tinydfs_free(tdfs);
+        return -1;
+    }
+
+    char buff_2[] = "This is file 1";
+    if (tinydfs_submit_write(tdfs, "/my_file_1", buff_2, sizeof(buff_2)-1) == TINDFS_INVALID) {
+        tinydfs_free(tdfs);
+        return -1;
+    }
+
+    for (int i = 0; i < 4; i++) {
+        TinyDFS_Result result;
+        tinydfs_wait(tdfs, TINYDFS_INVALID, -1);
+    }
+
+    tinydfs_free(tdfs);
+    return 0;
+}