Line data    Source code

       1             : #include "../burp.h"
       2             : #include "../action.h"
       3             : #include "../asfd.h"
       4             : #include "../async.h"
       5             : #include "../cntr.h"
       6             : #include "../conf.h"
       7             : #include "../handy.h"
       8             : #include "../log.h"
       9             : #include "backup_phase1.h"
      10             : #include "cvss.h"
      11             : #include "protocol1/backup_phase2.h"
      12             : #include "protocol2/backup_phase2.h"
      13             : 
      14             : #ifdef HAVE_WIN32
      15             : static void set_priority(int priority, const char *str)
      16             : {
      17             :         if(SetThreadPriority(GetCurrentThread(), priority))
      18             :                 logp("Set %s\n", str);
      19             :         else
      20             :                 logp("Failed to set %s\n", str);
      21             : }
      22             : 
      23             : static void set_low_priority(void)
      24             : {
      25             :         // Run timed backups with lower priority. I found that this has to be
      26             :         // done after the snapshot, or the snapshot never finishes. At least, I
      27             :         // waited 30 minutes with nothing happening.
      28             : #if defined(B_VSS_XP) || defined(B_VSS_W2K3)
      29             :         set_priority(THREAD_PRIORITY_LOWEST,
      30             :                 "thread_priority_lowest");
      31             : #else
      32             :         set_priority(THREAD_MODE_BACKGROUND_BEGIN,
      33             :                 "thread_mode_background_begin");
      34             : #endif
      35             : }
      36             : 
      37             : static void unset_low_priority(void)
      38             : {
      39             :         set_priority(THREAD_MODE_BACKGROUND_END,
      40             :                 "thread_mode_background_end");
      41             : }
      42             : #endif
      43             : 
      44             : // Return 0 for OK, -1 for error.
      45           0 : int do_backup_client(struct asfd *asfd, struct conf **confs, enum action action,
      46             :         int resume)
      47             : {
      48           0 :         int ret=-1;
      49           0 :         int breaking=get_int(confs[OPT_BREAKPOINT]);
      50             : 
      51           0 :         if(action==ACTION_ESTIMATE)
      52           0 :                 logp("do estimate client\n");
      53             :         else
      54             :         {
      55           0 :                 logp("do backup client\n");
      56           0 :                 if(get_protocol(confs)==PROTO_1)
      57             :                         logp("Using librsync hash %s\n",
      58           0 :                           rshash_to_str(get_e_rshash(confs[OPT_RSHASH])));
      59             :         }
      60             : 
      61             : #ifdef HAVE_WIN32
      62             :         win32_enable_backup_privileges();
      63             : #ifdef WIN32_VSS
      64             :         if(win32_start_vss(confs)) return ret;
      65             : #endif
      66             :         if(action==ACTION_BACKUP_TIMED) set_low_priority();
      67             : #endif
      68             : 
      69             :         // Scan the file system and send the results to the server.
      70             :         // Skip phase1 if the server wanted to resume.
      71           0 :         if(!resume)
      72             :         {
      73           0 :                 if(breaking==1)
      74             :                 {
      75           0 :                         breakpoint(breaking, __func__);
      76           0 :                         goto end;
      77             :                 }
      78           0 :                 if(backup_phase1_client(asfd, confs, action==ACTION_ESTIMATE))
      79             :                         goto end;
      80             :         }
      81             : 
      82           0 :         switch(action)
      83             :         {
      84             :                 case ACTION_DIFF:
      85             :                 case ACTION_DIFF_LONG:
      86             :                         ret=1;
      87             :                         goto end;
      88             :                 case ACTION_ESTIMATE:
      89           0 :                         cntr_print(get_cntr(confs), ACTION_ESTIMATE);
      90           0 :                         break;
      91             :                 default:
      92             :                         // Now, the server will be telling us what data we need
      93             :                         // to send.
      94           0 :                         if(breaking==2)
      95             :                         {
      96           0 :                                 breakpoint(breaking, __func__);
      97           0 :                                 goto end;
      98             :                         }
      99             : 
     100           0 :                         if(get_protocol(confs)==PROTO_1)
     101             :                                 ret=backup_phase2_client_protocol1(asfd,
     102           0 :                                         confs, resume);
     103             :                         else
     104             :                                 ret=backup_phase2_client_protocol2(asfd,
     105           0 :                                         confs, resume);
     106           0 :                         if(ret) goto end;
     107             :                         break;
     108             :         }
     109             : 
     110             :         ret=0;
     111             : end:
     112             : #if defined(HAVE_WIN32)
     113             :         if(action==ACTION_BACKUP_TIMED) unset_low_priority();
     114             : #if defined(WIN32_VSS)
     115             :         win32_stop_vss();
     116             : #endif
     117             : #endif
     118           0 :         return ret;
     119             : }