[2] | 1 | //----------------------------------------------------------- |
---|
| 2 | // Copyright Christian Arnault LAL-Orsay CNRS |
---|
| 3 | // arnault@lal.in2p3.fr |
---|
| 4 | // See the complete license in cmt_license.txt "http://www.cecill.info". |
---|
| 5 | //----------------------------------------------------------- |
---|
| 6 | |
---|
| 7 | #include "cmt_std.h" |
---|
| 8 | #include "cmt_lock.h" |
---|
| 9 | #include "cmt_system.h" |
---|
| 10 | #include "cmt_error.h" |
---|
| 11 | #include "cmt_symbol.h" |
---|
[459] | 12 | #include "cmt_log.h" |
---|
[2] | 13 | |
---|
| 14 | //---------------------------------------------------------- |
---|
| 15 | CmtLock::status CmtLock::lock () |
---|
| 16 | { |
---|
[429] | 17 | // status s = check (); |
---|
[2] | 18 | |
---|
[429] | 19 | // switch (s) |
---|
| 20 | // { |
---|
| 21 | // case locked_by_user: |
---|
| 22 | // cerr << "Package already locked by you" << endl; |
---|
| 23 | // return (s); |
---|
| 24 | // case locked_by_another_user: |
---|
| 25 | // CmtError::set (CmtError::cannot_lock, "lock> Package already locked by another user"); |
---|
| 26 | // return (s); |
---|
| 27 | // case not_locked: |
---|
| 28 | // break; |
---|
| 29 | // } |
---|
| 30 | |
---|
| 31 | // cmt_string text = "locked by "; |
---|
| 32 | // text += CmtSystem::user (); |
---|
| 33 | // text += " date "; |
---|
| 34 | // text += CmtSystem::now (); |
---|
| 35 | |
---|
| 36 | // if (!text.write ("lock.cmt")) |
---|
| 37 | // { |
---|
| 38 | // CmtError::set (CmtError::cannot_write_lock, "lock>"); |
---|
| 39 | // return (still_unlocked); |
---|
| 40 | // } |
---|
| 41 | |
---|
| 42 | // cmt_string command = lock_command->build_macro_value (); |
---|
| 43 | |
---|
| 44 | cmt_string lock_command; |
---|
| 45 | Symbol* lock_command_macro = Symbol::find ("lock_command"); |
---|
| 46 | if (lock_command_macro != 0) |
---|
[2] | 47 | { |
---|
[429] | 48 | lock_command = lock_command_macro->resolve_macro_value (); |
---|
[2] | 49 | } |
---|
[429] | 50 | if (lock_command == "") |
---|
| 51 | { |
---|
| 52 | CmtError::set (CmtError::cannot_write_lock, "lock>"); |
---|
| 53 | return (still_unlocked); |
---|
| 54 | } |
---|
[2] | 55 | |
---|
[429] | 56 | cmt_string lock_file; |
---|
| 57 | Symbol* lock_file_macro = Symbol::find ("lock_file"); |
---|
| 58 | if (lock_file_macro != 0) |
---|
[2] | 59 | { |
---|
[429] | 60 | lock_file = lock_file_macro->resolve_macro_value (); |
---|
| 61 | } |
---|
| 62 | if (lock_file == "") |
---|
| 63 | { |
---|
[2] | 64 | CmtError::set (CmtError::cannot_write_lock, "lock>"); |
---|
| 65 | return (still_unlocked); |
---|
| 66 | } |
---|
| 67 | |
---|
[429] | 68 | cmt_string command = lock_command + " " + lock_file; |
---|
| 69 | |
---|
| 70 | if (CmtSystem::execute (command) != 0) |
---|
[2] | 71 | { |
---|
[429] | 72 | CmtError::set (CmtError::cannot_run_lock_command, "lock>"); |
---|
| 73 | return (still_unlocked); |
---|
[2] | 74 | } |
---|
| 75 | |
---|
[459] | 76 | CmtMessage::info ("Package now locked"); |
---|
| 77 | // cerr << "Package now locked" << endl; |
---|
[2] | 78 | |
---|
| 79 | return (locked_by_user); |
---|
| 80 | } |
---|
| 81 | |
---|
| 82 | //---------------------------------------------------------- |
---|
| 83 | CmtLock::status CmtLock::unlock () |
---|
| 84 | { |
---|
| 85 | status s = check (); |
---|
| 86 | |
---|
| 87 | switch (s) |
---|
| 88 | { |
---|
| 89 | case locked_by_user: |
---|
| 90 | break; |
---|
| 91 | case locked_by_another_user: |
---|
| 92 | CmtError::set (CmtError::cannot_unlock, "unlock> Package locked by another user"); |
---|
| 93 | return (s); |
---|
| 94 | case not_locked: |
---|
[459] | 95 | CmtMessage::info ("Package not locked"); |
---|
| 96 | // cerr << "Package not locked" << endl; |
---|
[2] | 97 | return (s); |
---|
| 98 | } |
---|
| 99 | |
---|
[429] | 100 | // Symbol* unlock_command = Symbol::find ("unlock_command"); |
---|
| 101 | // if (unlock_command != 0) |
---|
| 102 | // { |
---|
| 103 | // cmt_string command = unlock_command->build_macro_value (); |
---|
| 104 | |
---|
| 105 | // if (command != "") |
---|
| 106 | // { |
---|
| 107 | // if (CmtSystem::execute (command) != 0) |
---|
| 108 | // { |
---|
| 109 | // CmtError::set (CmtError::cannot_run_unlock_command, "unlock>"); |
---|
| 110 | // return (still_locked); |
---|
| 111 | // } |
---|
| 112 | // } |
---|
| 113 | // } |
---|
| 114 | |
---|
| 115 | // if (!CmtSystem::remove_file ("lock.cmt")) |
---|
| 116 | // { |
---|
| 117 | // CmtError::set (CmtError::cannot_remove_lock, "unlock>"); |
---|
| 118 | // return (still_locked); |
---|
| 119 | // } |
---|
| 120 | |
---|
| 121 | cmt_string unlock_command; |
---|
| 122 | Symbol* unlock_command_macro = Symbol::find ("unlock_command"); |
---|
| 123 | if (unlock_command_macro != 0) |
---|
[2] | 124 | { |
---|
[429] | 125 | unlock_command = unlock_command_macro->resolve_macro_value (); |
---|
[2] | 126 | } |
---|
[429] | 127 | if (unlock_command == "") |
---|
| 128 | { |
---|
| 129 | CmtError::set (CmtError::cannot_remove_lock, "unlock>"); |
---|
| 130 | return (still_locked); |
---|
| 131 | } |
---|
[2] | 132 | |
---|
[429] | 133 | cmt_string lock_file; |
---|
| 134 | Symbol* lock_file_macro = Symbol::find ("lock_file"); |
---|
| 135 | if (lock_file_macro != 0) |
---|
[2] | 136 | { |
---|
[429] | 137 | lock_file = lock_file_macro->resolve_macro_value (); |
---|
| 138 | } |
---|
| 139 | if (lock_file == "") |
---|
| 140 | { |
---|
[2] | 141 | CmtError::set (CmtError::cannot_remove_lock, "unlock>"); |
---|
| 142 | return (still_locked); |
---|
| 143 | } |
---|
| 144 | |
---|
[429] | 145 | cmt_string command = unlock_command + " " + lock_file; |
---|
| 146 | |
---|
| 147 | if (CmtSystem::execute (command) != 0) |
---|
| 148 | { |
---|
| 149 | CmtError::set (CmtError::cannot_run_unlock_command, "unlock>"); |
---|
| 150 | return (still_locked); |
---|
| 151 | } |
---|
| 152 | |
---|
[459] | 153 | CmtMessage::info ("Package now unlocked"); |
---|
| 154 | // cerr << "Package now unlocked" << endl; |
---|
[2] | 155 | |
---|
| 156 | return (not_locked); |
---|
| 157 | } |
---|
| 158 | |
---|
| 159 | //---------------------------------------------------------- |
---|
| 160 | CmtLock::status CmtLock::check () |
---|
| 161 | { |
---|
[429] | 162 | // cmt_string me = CmtSystem::user (); |
---|
| 163 | // cmt_string text; |
---|
[2] | 164 | |
---|
[429] | 165 | // if (text.read ("lock.cmt")) |
---|
| 166 | // { |
---|
| 167 | // CmtSystem::cmt_string_vector words; |
---|
[2] | 168 | |
---|
[429] | 169 | // CmtSystem::split (text, " ", words); |
---|
[2] | 170 | |
---|
[429] | 171 | // if (words.size () >= 3) |
---|
| 172 | // { |
---|
| 173 | // if (words[2] == me) |
---|
| 174 | // { |
---|
| 175 | // return (locked_by_user); |
---|
| 176 | // } |
---|
| 177 | // else |
---|
| 178 | // { |
---|
| 179 | // return (locked_by_another_user); |
---|
| 180 | // } |
---|
| 181 | // } |
---|
| 182 | // } |
---|
| 183 | cmt_string lock_file; |
---|
| 184 | Symbol* lock_file_macro = Symbol::find ("lock_file"); |
---|
| 185 | if (lock_file_macro != 0) |
---|
| 186 | { |
---|
| 187 | lock_file = lock_file_macro->resolve_macro_value (); |
---|
[2] | 188 | } |
---|
[429] | 189 | |
---|
| 190 | if (CmtSystem::test_file (lock_file) || CmtSystem::test_directory (lock_file)) |
---|
| 191 | { |
---|
| 192 | return (locked_by_user); |
---|
| 193 | } |
---|
[2] | 194 | |
---|
| 195 | return (not_locked); |
---|
| 196 | } |
---|