Add 'read_all_files' and 'read_disk' commands

Makefile

@@ -27,7 +27,7 @@ CFLAGS   += -Wall -I$(ELPHEL_KERNEL_DIR)/include/elphel
 all: $(PROGS)
 
 $(PROGS): $(OBJS)
-	$(CC) $(LDFLAGS) $^ $(LDLIBS) -logg -pthread -o $@
+	$(CC) $(LDFLAGS) $^ $(LDLIBS) -logg -pthread -lm -o $@
 install: $(PROGS)
 	$(INSTALL) -d $(INSTDIR)
 	$(INSTALL) -m $(INSTMODE) -o $(INSTOWNER) -g $(INSTGROUP) $(PROGS) $(INSTDIR)

camogm.c

@@ -231,7 +231,7 @@ void camogm_init(camogm_state *state, char *pipe_name)
 	state->rawdev.curr_pos_w = state->rawdev.start_pos;
 	state->rawdev.curr_pos_r = state->rawdev.start_pos;
 	state->active_chn = ALL_CHN_ACTIVE;
-	state->rawdev.mmap_size = MMAP_CHUNK_SIZE;
+	state->rawdev.mmap_default_size = MMAP_CHUNK_SIZE;
 }
 
 /**
@@ -803,7 +803,7 @@ void  camogm_set_prefix(camogm_state *state, const char * p, path_type type)
 			D0(fprintf(debug_file, "WARNING: raw device write initiated\n"));
 			state->rawdev_op = 1;
 			/* debug code follows */
-			state->rawdev.end_pos = 10485760; // 10 Mib
+			state->rawdev.end_pos = 134217728;
 			/* end of debug code */
 		}
 	}

camogm.h

@@ -60,7 +60,7 @@
 #define RAWDEV_START_OFFSET       1024
 /** @brief Maximum length of file or raw device path */
 #define ELPHEL_PATH_MAX           300
-#define MMAP_CHUNK_SIZE           134217728
+#define MMAP_CHUNK_SIZE           10485760
 
 /**
  * @enum state_flags
@@ -100,8 +100,10 @@ typedef struct {
 	uint64_t start_pos;
 	uint64_t end_pos;
 	uint64_t curr_pos_w;
-	uint64_t *disk_mmap;
-	uint64_t mmap_size;
+	unsigned char *disk_mmap;
+	uint64_t mmap_default_size;
+	uint64_t mmap_current_size;
+	uint64_t mmap_offset;
 	volatile uint64_t curr_pos_r;
 	uint64_t file_start;
 	pthread_t tid;

camogm_read.h

@@ -35,7 +35,12 @@ struct disk_idir {
 	size_t size;
 };
 
-void *build_index(void *arg);
+struct range {
+	uint64_t from;
+	uint64_t to;
+};
+
+//void *build_index(void *arg);
 void *reader(void *arg);
 
 #endif /* _CAMOGM_READ_H */