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a6fcceea31
Summary: Generate a `u64` integer about the "version" at build time, and make chg client check the version before connecting to the server. This would ensure a chg client would only connect to a matched version of the server. - In setup.py, compute the "versionhash", write it as `mercurial.__version__.versionhash`. - In dispatch.py, `mercurial.__version__` needs to be explicitly loaded before forking. - In commandserver.py, send the versionhash to the client with the "hello" message. - In chg.c, verify the versionhash. If it does not match, unlink the socket path and reconnect. Reviewed By: farnz Differential Revision: D7978131 fbshipit-source-id: 50acc923e72e40a4f66a96f01a194cf1a57fe832
32 lines
905 B
C
32 lines
905 B
C
/*
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* A command server client that uses Unix domain socket
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*
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* Copyright (c) 2011 Yuya Nishihara <yuya@tcha.org>
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2 or any later version.
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*/
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#ifndef HGCLIENT_H_
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#define HGCLIENT_H_
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#include <sys/types.h>
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struct hgclient_tag_;
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typedef struct hgclient_tag_ hgclient_t;
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hgclient_t *hgc_open(const char *sockname);
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void hgc_close(hgclient_t *hgc);
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pid_t hgc_peerpgid(const hgclient_t *hgc);
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pid_t hgc_peerpid(const hgclient_t *hgc);
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unsigned long long hgc_versionhash(const hgclient_t *hgc);
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const char **hgc_validate(hgclient_t *hgc, const char *const args[],
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size_t argsize);
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int hgc_runcommand(hgclient_t *hgc, const char *const args[], size_t argsize);
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void hgc_attachio(hgclient_t *hgc);
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void hgc_setenv(hgclient_t *hgc, const char *const envp[]);
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#endif /* HGCLIENT_H_ */
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