void *thread_reader_fct(void *args) { char magic[FSA_SIZEOF_MAGIC]; struct s_blockinfo blkinfo; u32 endofarchive=false; carchreader *ai=NULL; cdico *dico=NULL; int skipblock; u16 fsid; int sumok; int status; u64 errors; s64 lres; int res; // init errors=0; inc_secthreads(); if ((ai=(carchreader *)args)==NULL) { errprintf("ai is NULL\n"); goto thread_reader_fct_error; } // open archive file if (archreader_volpath(ai)!=0) { errprintf("archreader_volpath() failed\n"); goto thread_reader_fct_error; } if (archreader_open(ai)!=0) { errprintf("archreader_open(%s) failed\n", ai->basepath); goto thread_reader_fct_error; } // read volume header if (archreader_read_volheader(ai)!=0) { errprintf("archio_read_volheader() failed\n"); goto thread_reader_fct_error; } // ---- read main archive header if ((res=archreader_read_header(ai, magic, &dico, false, &fsid))!=FSAERR_SUCCESS) { errprintf("archreader_read_header() failed to read the archive header\n"); goto thread_reader_fct_error; // this header is required to continue } if (dico_get_u32(dico, 0, MAINHEADKEY_ARCHIVEID, &ai->archid)!=0) { msgprintf(3, "cannot get archive-id from main header\n"); goto thread_reader_fct_error; } if ((lres=queue_add_header(&g_queue, dico, magic, fsid))!=FSAERR_SUCCESS) { errprintf("queue_add_header()=%ld=%s failed to add the archive header\n", (long)lres, error_int_to_string(lres)); goto thread_reader_fct_error; } // read all other data from file (filesys-header, normal objects headers, ...) while (endofarchive==false && get_stopfillqueue()==false) { if ((res=archreader_read_header(ai, magic, &dico, true, &fsid))!=FSAERR_SUCCESS) { dico_destroy(dico); msgprintf(MSG_STACK, "archreader_read_header() failed to read next header\n"); if (res==OLDERR_MINOR) // header is corrupt or not what we expected { errors++; msgprintf(MSG_DEBUG1, "OLDERR_MINOR\n"); continue; } else // fatal error (eg: cannot read archive from disk) { msgprintf(MSG_DEBUG1, "!OLDERR_MINOR\n"); goto thread_reader_fct_error; } } // read header and see if it's for archive management or higher level data if (strncmp(magic, FSA_MAGIC_VOLF, FSA_SIZEOF_MAGIC)==0) // header is "end of volume" { archreader_close(ai); // check the "end of archive" flag in header if (dico_get_u32(dico, 0, VOLUMEFOOTKEY_LASTVOL, &endofarchive)!=0) { errprintf("cannot get compr from block-header\n"); goto thread_reader_fct_error; } msgprintf(MSG_VERB2, "End of volume [%s]\n", ai->volpath); if (endofarchive!=true) { archreader_incvolume(ai, false); while (regfile_exists(ai->volpath)!=true) { // wait until the queue is empty so that the main thread does not pollute the screen while (queue_count(&g_queue)>0) usleep(5000); fflush(stdout); fflush(stderr); msgprintf(MSG_FORCE, "File [%s] is not found, please type the path to volume %ld:\n", ai->volpath, (long)ai->curvol); fprintf(stdout, "New path:> "); res=scanf("%256s", ai->volpath); } msgprintf(MSG_VERB2, "New volume is [%s]\n", ai->volpath); if (archreader_open(ai)!=0) { msgprintf(MSG_STACK, "archreader_open() failed\n"); goto thread_reader_fct_error; } if (archreader_read_volheader(ai)!=0) { msgprintf(MSG_STACK, "archio_read_volheader() failed\n"); goto thread_reader_fct_error; } } dico_destroy(dico); } else // high-level archive (not involved in volume management) { if (strncmp(magic, FSA_MAGIC_BLKH, FSA_SIZEOF_MAGIC)==0) // header starts a data block { skipblock=(g_fsbitmap[fsid]==0); //errprintf("DEBUG: skipblock=%d g_fsbitmap[fsid=%d]=%d\n", skipblock, (int)fsid, (int)g_fsbitmap[fsid]); if (archreader_read_block(ai, dico, skipblock, &sumok, &blkinfo)!=0) { msgprintf(MSG_STACK, "archreader_read_block() failed\n"); goto thread_reader_fct_error; } if (skipblock==false) { status=((sumok==true)?QITEM_STATUS_TODO:QITEM_STATUS_DONE); if ((lres=queue_add_block(&g_queue, &blkinfo, status))!=FSAERR_SUCCESS) { if (lres!=FSAERR_NOTOPEN) errprintf("queue_add_block()=%ld=%s failed\n", (long)lres, error_int_to_string(lres)); goto thread_reader_fct_error; } if (sumok==false) errors++; dico_destroy(dico); } } else // another higher level header { // if it's a global header or a if this local header belongs to a filesystem that the main thread needs if (fsid==FSA_FILESYSID_NULL || g_fsbitmap[fsid]==1) { if ((lres=queue_add_header(&g_queue, dico, magic, fsid))!=FSAERR_SUCCESS) { msgprintf(MSG_STACK, "queue_add_header()=%ld=%s failed\n", (long)lres, error_int_to_string(lres)); goto thread_reader_fct_error; } } else // header not used: remove data strucutre in dynamic memory { dico_destroy(dico); } } } } thread_reader_fct_error: msgprintf(MSG_DEBUG1, "THREAD-READER: queue_set_end_of_queue(&g_queue, true)\n"); queue_set_end_of_queue(&g_queue, true); // don't wait for more data from this thread dec_secthreads(); msgprintf(MSG_DEBUG1, "THREAD-READER: exit\n"); return NULL; }
int archreader_incvolume(carchreader *ai, bool waitkeypress) { assert(ai); ai->curvol++; return archreader_volpath(ai); }