1 /* Interface between the server and the rest of CVS. */ 2 3 /* Miscellaneous stuff which isn't actually particularly server-specific. */ 4 #ifndef STDIN_FILENO 5 #define STDIN_FILENO 0 6 #define STDOUT_FILENO 1 7 #define STDERR_FILENO 2 8 #endif 9 10 #ifdef SERVER_SUPPORT 11 12 /* 13 * Nonzero if we are using the server. Used by various places to call 14 * server-specific functions. 15 */ 16 extern int server_active; 17 extern int server_expanding; 18 19 /* Server functions exported to the rest of CVS. */ 20 21 /* Run the server. */ 22 extern int server PROTO((int argc, char **argv)); 23 24 /* We have a new Entries line for a file. TAG or DATE can be NULL. */ 25 extern void server_register 26 PROTO((char *name, char *version, char *timestamp, 27 char *options, char *tag, char *date, char *conflict)); 28 29 /* 30 * We want to nuke the Entries line for a file, and (unless 31 * server_scratch_entry_only is subsequently called) the file itself. 32 */ 33 extern void server_scratch PROTO((char *name)); 34 35 /* 36 * The file which just had server_scratch called on it needs to have only 37 * the Entries line removed, not the file itself. 38 */ 39 extern void server_scratch_entry_only PROTO((void)); 40 41 /* 42 * We just successfully checked in FILE (which is just the bare 43 * filename, with no directory). REPOSITORY is the directory for the 44 * repository. 45 */ 46 extern void server_checked_in 47 PROTO((char *file, char *update_dir, char *repository)); 48 49 extern void server_copy_file 50 PROTO((char *file, char *update_dir, char *repository, char *newfile)); 51 52 /* Send the appropriate responses for a file described by FILE, 53 UPDATE_DIR, REPOSITORY, and VERS. FILE_INFO is the result of 54 statting the file, or NULL if it hasn't been statted yet. This is 55 called after server_register or server_scratch. In the latter case 56 the file is to be removed (and vers can be NULL). In the former 57 case, vers must be non-NULL, and UPDATED indicates whether the file 58 is now up to date (SERVER_UPDATED, yes, SERVER_MERGED, no, 59 SERVER_PATCHED, yes, but file is a diff from user version to 60 repository version). */ 61 enum server_updated_arg4 {SERVER_UPDATED, SERVER_MERGED, SERVER_PATCHED}; 62 extern void server_updated 63 PROTO((struct file_info *finfo, Vers_TS *vers, 64 enum server_updated_arg4 updated, struct stat *, 65 unsigned char *checksum)); 66 67 /* Set the Entries.Static flag. */ 68 extern void server_set_entstat PROTO((char *update_dir, char *repository)); 69 /* Clear it. */ 70 extern void server_clear_entstat PROTO((char *update_dir, char *repository)); 71 72 /* Set or clear a per-directory sticky tag or date. */ 73 extern void server_set_sticky PROTO((char *update_dir, char *repository, 74 char *tag, 75 char *date)); 76 /* Send Template response. */ 77 extern void server_template PROTO ((char *, char *)); 78 79 extern void server_update_entries 80 PROTO((char *file, char *update_dir, char *repository, 81 enum server_updated_arg4 updated)); 82 83 enum progs {PROG_CHECKIN, PROG_UPDATE}; 84 extern void server_prog PROTO((char *, char *, enum progs)); 85 extern void server_cleanup PROTO((int sig)); 86 87 #ifdef SERVER_FLOWCONTROL 88 /* Pause if it's convenient to avoid memory blowout */ 89 extern void server_pause_check PROTO((void)); 90 #endif /* SERVER_FLOWCONTROL */ 91 92 #endif /* SERVER_SUPPORT */ 93 94 /* Stuff shared with the client. */ 95 struct request 96 { 97 /* Name of the request. */ 98 char *name; 99 100 #ifdef SERVER_SUPPORT 101 /* 102 * Function to carry out the request. ARGS is the text of the command 103 * after name and, if present, a single space, have been stripped off. 104 */ 105 void (*func) PROTO((char *args)); 106 #endif 107 108 /* Stuff for use by the client. */ 109 enum { 110 /* 111 * Failure to implement this request can imply a fatal 112 * error. This should be set only for commands which were in the 113 * original version of the protocol; it should not be set for new 114 * commands. 115 */ 116 rq_essential, 117 118 /* Some servers might lack this request. */ 119 rq_optional, 120 121 /* 122 * Set by the client to one of the following based on what this 123 * server actually supports. 124 */ 125 rq_supported, 126 rq_not_supported, 127 128 /* 129 * If the server supports this request, and we do too, tell the 130 * server by making the request. 131 */ 132 rq_enableme 133 } status; 134 }; 135 136 /* Table of requests ending with an entry with a NULL name. */ 137 extern struct request requests[]; 138 139 extern int use_unchanged; 140