upstream/mercurial-mirror Files · mercurial/bdiff.h

wireproto: separate commands tables for version 1 and 2 commands...

wireproto: separate commands tables for version 1 and 2 commands We can't easily reuse existing command handlers for version 2 commands because the response types will be different. e.g. many commands return nodes encoded as hex. Our new wire protocol is binary safe, so we'll wish to encode nodes as binary. We /could/ teach each command handler to look at the protocol handler and change behavior based on the version in use. However, this would make logic a bit unwieldy over time and would make it harder to design a unified protocol handler interface. I think it's better to create a clean break between version 1 and version 2 of commands on the server. What I imagine happening is we will have separate @wireprotocommand functions for each protocol generation. Those functions will parse the request, dispatch to a common function to process it, then generate the response in its own, transport-specific manner. This commit establishes a separate table for tracking version 1 commands from version 2 commands. The HTTP server pieces have been updated to use this new table. Most commands are marked as both version 1 and version 2, so there is little practical impact to this change. A side-effect of this change is we now rely on transport registration in wireprototypes.TRANSPORTS and certain properties of the protocol interface. So a test had to be updated to conform. Differential Revision: https://phab.mercurial-scm.org/D2982

Yuya Nishihara - - Load All Authors

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        Maciej Fijalkowski
    
bdiff: split bdiff into cpy-aware and cpy-agnostic part

              r29541
            
      #ifndef _HG_BDIFF_H_

      #define _HG_BDIFF_H_

        Yuya Nishihara
    
bdiff: include compat.h in header to define ssize_t...

              r34653
            
      #include "compat.h"

        Maciej Fijalkowski
    
bdiff: split bdiff into cpy-aware and cpy-agnostic part

              r29541
            
      struct bdiff_line {

      	int hash, n, e;

      	ssize_t len;

      	const char *l;

      };

      struct bdiff_hunk;

      struct bdiff_hunk {

      	int a1, a2, b1, b2;

      	struct bdiff_hunk *next;

      };

      int bdiff_splitlines(const char *a, ssize_t len, struct bdiff_line **lr);

      int bdiff_diff(struct bdiff_line *a, int an, struct bdiff_line *b, int bn,

        Augie Fackler
    
bdiff: format header file with clang-format...

              r34628
            
                     struct bdiff_hunk *base);

        Maciej Fijalkowski
    
bdiff: split bdiff into cpy-aware and cpy-agnostic part

              r29541
            
      void bdiff_freehunks(struct bdiff_hunk *l);

      #endif

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Maciej Fijalkowski bdiff: split bdiff into cpy-aware and cpy-agnostic part	r29541	#ifndef _HG_BDIFF_H_
		#define _HG_BDIFF_H_

Yuya Nishihara bdiff: include compat.h in header to define ssize_t...	r34653	#include "compat.h"

Maciej Fijalkowski bdiff: split bdiff into cpy-aware and cpy-agnostic part	r29541	struct bdiff_line {
		int hash, n, e;
		ssize_t len;
		const char *l;
		};

		struct bdiff_hunk;
		struct bdiff_hunk {
		int a1, a2, b1, b2;
		struct bdiff_hunk *next;
		};

		int bdiff_splitlines(const char a, ssize_t len, struct bdiff_line *lr);
		int bdiff_diff(struct bdiff_line a, int an, struct bdiff_line b, int bn,
Augie Fackler bdiff: format header file with clang-format...	r34628	struct bdiff_hunk *base);
Maciej Fijalkowski bdiff: split bdiff into cpy-aware and cpy-agnostic part	r29541	void bdiff_freehunks(struct bdiff_hunk *l);

		#endif