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

wireprotoserver: move all wire protocol handling logic out of hgweb...

wireprotoserver: move all wire protocol handling logic out of hgweb Previous patches from several days ago worked to isolate processing of HTTP wire protocol requests to wireprotoserver. We still had a little logic in hgweb. If feels like the right time to finish the job. This commit moves WSGI request servicing from hgweb to wireprotoserver. The ugly dict holding the parsed request is no more. I think the new code is cleaner. As part of this, we now process wire protocol requests before the block to obtain the "query" variable. This makes it clear that this wonky "query" variable is not used by the wire protocol. The wonkiest part about this code is the HTTP 404. I'm actually not sure what all is going on here. It looks like the code is trying to prevent URL with path components that specify a command from not working. That part I grok. What I don't grok is why we need to send a 404. I would think it would be OK to no-op and let another handler try to service the request. But if we do this, we get some subrepo test failures. So it looks like something is expecting the HTTP 404 and reacting to it in a specific way. It /might/ be possible to change the behavior here. But it isn't something I'm comfortable doing because I don't understand the problem space. Differential Revision: https://phab.mercurial-scm.org/D2740

Augie Fackler - - Load All Authors

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      #ifndef _HG_MPATCH_H_

      #define _HG_MPATCH_H_

      #define MPATCH_ERR_NO_MEM -3

      #define MPATCH_ERR_CANNOT_BE_DECODED -2

      #define MPATCH_ERR_INVALID_PATCH -1

      struct mpatch_frag {

      	int start, end, len;

      	const char *data;

      };

      struct mpatch_flist {

      	struct mpatch_frag *base, *head, *tail;

      };

      int mpatch_decode(const char *bin, ssize_t len, struct mpatch_flist **res);

      ssize_t mpatch_calcsize(ssize_t len, struct mpatch_flist *l);

      void mpatch_lfree(struct mpatch_flist *a);

      int mpatch_apply(char *buf, const char *orig, ssize_t len,

                       struct mpatch_flist *l);

      struct mpatch_flist *

      mpatch_fold(void *bins, struct mpatch_flist *(*get_next_item)(void *, ssize_t),

                  ssize_t start, ssize_t end);

      #endif

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				#ifndef _HG_MPATCH_H_
				#define _HG_MPATCH_H_

				#define MPATCH_ERR_NO_MEM -3
				#define MPATCH_ERR_CANNOT_BE_DECODED -2
				#define MPATCH_ERR_INVALID_PATCH -1

				struct mpatch_frag {
				int start, end, len;
				const char *data;
				};

				struct mpatch_flist {
				struct mpatch_frag base, head, *tail;
				};

				int mpatch_decode(const char bin, ssize_t len, struct mpatch_flist *res);
				ssize_t mpatch_calcsize(ssize_t len, struct mpatch_flist *l);
				void mpatch_lfree(struct mpatch_flist *a);
				int mpatch_apply(char buf, const char orig, ssize_t len,
				struct mpatch_flist *l);
				struct mpatch_flist *
				mpatch_fold(void bins, struct mpatch_flist (get_next_item)(void , ssize_t),
				ssize_t start, ssize_t end);

				#endif