1 files changed, 112 insertions, 0 deletions
diff --git a/src/include/MESA/stream_inc/stream_project.h b/src/include/MESA/stream_inc/stream_project.h
new file mode 100644
index 0000000..9a23212
--- /dev/null
+++ b/src/include/MESA/stream_inc/stream_project.h
@@ -0,0 +1,112 @@
+#ifndef _PROJECT_REQUIREMENT_H_
+#define _PROJECT_REQUIREMENT_H_
+
+#include "stream_base.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define PROJECT_REQ_NAME_MAX_LEN		(64)
+
+typedef void (project_req_free_t)(int thread_seq, void *project_req_value);
+
+#define PROJECT_VAL_TYPE_CHAR				"char"
+#define PROJECT_VAL_TYPE_SHORT			"short"
+#define PROJECT_VAL_TYPE_INT				"int"
+#define PROJECT_VAL_TYPE_LONG				"long"
+#define PROJECT_VAL_TYPE_STRUCT			"struct"
+
+
+int project_requirement_global_init(void);
+
+/*	
+	must call this function in initialization, only one times,
+	the 'free_cb' should be NULL if 'project_req_val_type' is simple type,
+	otherwise please implement it by youself.
+
+	args:
+		project_req_name: for example, "terminal_tag", "stream_id".
+		project_req_val_type: support "char","short","int","long","struct".
+		free_cb: used to free resource when 'project_req_val_type' is "struct".
+	
+ 
+	return value: 'project_req_id' of this project_req_name, must use this id in following functions.
+		>= 0 : success;
+		-1   : error.
+*/
+int project_producer_register(const char *project_req_name, const char *project_req_val_type, project_req_free_t *free_cb);
+
+/* args and return value same with project_producer_register() */
+int project_customer_register(const char *project_req_name, const char *project_req_val_type);
+
+/*	
+	Function project_req_add_struct: 'project_req_value' must be a pointer to heap memory(obtain by malloc).
+	
+	return value:
+		0 : success;
+		-1: error.
+*/
+int project_req_add_char(struct streaminfo *stream, int project_req_id, char project_req_value);
+int project_req_add_short(struct streaminfo *stream, int project_req_id, short project_req_value);
+int project_req_add_int(struct streaminfo *stream, int project_req_id, int project_req_value);
+int project_req_add_long(struct streaminfo *stream, int project_req_id, long project_req_value);
+
+int project_req_add_uchar(struct streaminfo *stream, int project_req_id, unsigned char project_req_value);
+int project_req_add_ushort(struct streaminfo *stream, int project_req_id, unsigned short project_req_value);
+int project_req_add_uint(struct streaminfo *stream, int project_req_id, unsigned int project_req_value);
+int project_req_add_ulong(struct streaminfo *stream, int project_req_id, unsigned long project_req_value);
+
+
+int project_req_add_struct(struct streaminfo *stream, int project_req_id, const void *project_req_value);
+
+
+/*
+	return value:
+		-1(or all bit is '1' in Hex mode, 0xFF, 0xFFFF): 
+			maybe error, maybe the actual project_req_value is -1 indeed, 
+			must check tht 'errno' in this case, 
+			the 'errno' will be set to 'ERANGE' indicate an error.
+		others: success.    
+
+	for example:
+		int value = project_req_get_int(stream, req_id);
+		if((-1 == value) && (ERANGE == errno)){
+			error_handle();
+		}else{
+			do_somgthing();
+		}
+		
+	for example2:
+		unsigned short value = project_req_get_ushort(stream, req_id);
+		if((0xFF == value) && (ERANGE == errno)){
+			error_handle();
+		}else{
+			do_somgthing();
+		}
+		
+*/
+char project_req_get_char(const struct streaminfo *stream, int project_req_id);
+short project_req_get_short(const struct streaminfo *stream, int project_req_id);
+int project_req_get_int(const struct streaminfo *stream, int project_req_id);
+long project_req_get_long(const struct streaminfo *stream, int project_req_id);
+
+unsigned char project_req_get_uchar(const struct streaminfo *stream, int project_req_id);
+unsigned short project_req_get_ushort(const struct streaminfo *stream, int project_req_id);
+unsigned int project_req_get_uint(const struct streaminfo *stream, int project_req_id);
+unsigned long project_req_get_ulong(const struct streaminfo *stream, int project_req_id);
+
+/*
+	return value:
+		NULL  : error;
+		others: success.    
+*/
+const void *project_req_get_struct(const struct streaminfo *stream, int project_req_id);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+