move cluster table management from ec3_reader/writer to ec3_pipeline

src/pipeline.h

@@ -1,16 +1,17 @@
 #ifndef PIPELINE_H_
 #define PIPELINE_H_
 
+#include "cluster.h"
 #include "status.h"
 
 #include <blue/core/queue.h>
 #include <stddef.h>
+#include <stdio.h>
 
 enum ec3_pipeline_stage_type_id {
 	EC3_PIPELINE_NONE = 0,
 	EC3_PIPELINE_AES256,
 	EC3_PIPELINE_ZSTD,
-	EC3_PIPELINE_FILE,
 };
 
 enum ec3_pipeline_stage_type_flags {
@@ -24,16 +25,19 @@ struct ec3_pipeline_stage_type {
 	enum ec3_pipeline_stage_type_id t_id;
 	enum ec3_pipeline_stage_type_flags t_flags;
 
-	enum ec3_status (*t_data_in)(
-		struct ec3_pipeline_stage *,
-		const void *,
-		void *,
-		size_t *);
-	enum ec3_status (*t_data_out)(
+	enum ec3_status (*t_cluster_in)(
 		struct ec3_pipeline_stage *,
 		const void *,
 		size_t,
 		void *,
+		size_t,
+		size_t *);
+	enum ec3_status (*t_cluster_out)(
+		struct ec3_pipeline_stage *,
+		const void *,
+		size_t,
+		void *,
+		size_t,
 		size_t *);
 };
 
@@ -50,6 +54,17 @@ struct ec3_pipeline_stage_args {
 };
 
 struct ec3_pipeline {
+	FILE *p_target;
+	size_t p_target_base_offset;
+
+	size_t p_cluster_size;
+	unsigned int p_cluster_flags;
+	struct cluster_table p_cluster_table;
+
+	size_t p_next_cluster_id;
+	size_t p_data_offset;
+
+	void *p_read_buf;
 	b_queue p_stages;
 };
 
@@ -57,22 +72,28 @@ extern enum ec3_status ec3_pipeline_create(
 	struct ec3_pipeline_stage_args stages[],
 	size_t nr_stages,
 	size_t cluster_size,
+	FILE *target,
+	size_t target_base_offset,
+	FILE *cluster_table,
+	size_t cluster_table_base_offset,
 	struct ec3_pipeline **out);
 extern void ec3_pipeline_destroy(struct ec3_pipeline *p);
 
-extern enum ec3_status ec3_pipeline_data_out(
+extern enum ec3_status ec3_pipeline_write_cluster(
 	struct ec3_pipeline *pipeline,
 	void *p,
 	size_t len,
-	size_t *nr_written);
-extern enum ec3_status ec3_pipeline_data_in(
+	size_t *bytes_written);
+extern enum ec3_status ec3_pipeline_read_cluster(
 	struct ec3_pipeline *pipeline,
 	void *p,
-	size_t max,
+	size_t cluster_id,
 	size_t *nr_read);
 
 extern size_t ec3_get_cluster_size(unsigned int v);
-extern enum ec3_pipeline_stage_id ec3_get_pipeline_stage_for_encryption_func(unsigned int func);
-extern enum ec3_pipeline_stage_id ec3_get_pipeline_stage_for_compression_func(unsigned int func);
+extern enum ec3_pipeline_stage_type_id
+ec3_get_pipeline_stage_for_encryption_func(unsigned int func);
+extern enum ec3_pipeline_stage_type_id
+ec3_get_pipeline_stage_for_compression_func(unsigned int func);
 
 #endif