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 /* 53 * We just successfully updated FILE (bare filename, no directory). 54 * REPOSITORY is the directory for the repository. This is called 55 * after server_register or server_scratch, in the latter case the 56 * file is to be removed. UPDATED indicates whether the file is now 57 * up to date (SERVER_UPDATED, yes, SERVER_MERGED, no, SERVER_PATCHED, 58 * yes, but file is a diff from user version to repository version). 59 */ 60 enum server_updated_arg4 {SERVER_UPDATED, SERVER_MERGED, SERVER_PATCHED}; 61 extern void server_updated 62 PROTO((char *file, char *update_dir, char *repository, 63 enum server_updated_arg4 updated, struct stat *, 64 unsigned char *checksum)); 65 66 /* Set the Entries.Static flag. */ 67 extern void server_set_entstat PROTO((char *update_dir, char *repository)); 68 /* Clear it. */ 69 extern void server_clear_entstat PROTO((char *update_dir, char *repository)); 70 71 /* Set or clear a per-directory sticky tag or date. */ 72 extern void server_set_sticky PROTO((char *update_dir, char *repository, 73 char *tag, 74 char *date)); 75 76 extern void server_update_entries 77 PROTO((char *file, char *update_dir, char *repository, 78 enum server_updated_arg4 updated)); 79 80 enum progs {PROG_CHECKIN, PROG_UPDATE}; 81 extern void server_prog PROTO((char *, char *, enum progs)); 82 extern void server_cleanup PROTO((int sig)); 83 84 #ifdef SERVER_FLOWCONTROL 85 /* Pause if it's convenient to avoid memory blowout */ 86 extern void server_check_pause PROTO((void)); 87 #endif /* SERVER_FLOWCONTROL */ 88 89 #endif /* SERVER_SUPPORT */ 90 91 /* Stuff shared with the client. */ 92 struct request 93 { 94 /* Name of the request. */ 95 char *name; 96 97 #ifdef SERVER_SUPPORT 98 /* 99 * Function to carry out the request. ARGS is the text of the command 100 * after name and, if present, a single space, have been stripped off. 101 */ 102 void (*func) PROTO((char *args)); 103 #endif 104 105 /* Stuff for use by the client. */ 106 enum { 107 /* 108 * Failure to implement this request can imply a fatal 109 * error. This should be set only for commands which were in the 110 * original version of the protocol; it should not be set for new 111 * commands. 112 */ 113 rq_essential, 114 115 /* Some servers might lack this request. */ 116 rq_optional, 117 118 /* 119 * Set by the client to one of the following based on what this 120 * server actually supports. 121 */ 122 rq_supported, 123 rq_not_supported, 124 125 /* 126 * If the server supports this request, and we do too, tell the 127 * server by making the request. 128 */ 129 rq_enableme 130 } status; 131 }; 132 133 /* Table of requests ending with an entry with a NULL name. */ 134 extern struct request requests[]; 135 136 extern int use_unchanged; 137