mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-02-02 12:01:42 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

More logformatting stuff. Addresses #11

Browse source 
git-svn-id: file:///svn/tokudb@712 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Bradley C. Kuszmaul 2007-11-22 06:46:00 +00:00
parent 28d927af59
commit ac01e9e825
1 changed files with 26 additions and 21 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
newbrt/logformat.c
View file

@ -27,6 +27,10 @@ struct logtype {
// In the fields, don't mention the command, the LSN, the CRC or the trailing LEN.
const struct logtype logtypes[] = {
{"fcreate", 'F', FA{{"TXNID", "txnid"},
{"BYTESTRING", "fname"},
{"uint32", "mode"},
NULLFIELD}},
{"delete", 'D', FA{{"FILENUM", "filenum"},
{"DISKOFF", "diskoff"},
{"BYTESTRING", "key"},
@ -145,9 +149,10 @@ void generate_log_reader (void) {
}
void generate_logprint (void) {
fprintf(cf, "int logprint(FILE *outf, FILE *f, int n_records_limit) {\n");
fprintf(cf, " int i, cmd, r;\n");
fprintf(cf, " for (i=0; i!=count && (cmd=fgetc(f))!=EOF; i++) {\n");
fprintf(cf, "int toku_logprint_one_record(FILE *outf, FILE *f) {\n");
fprintf(cf, " int cmd, r;\n");
fprintf(cf, " cmd=fgetc(f);\n");
fprintf(cf, " if (cmd==EOF) return EOF;\n");
fprintf(cf, " u_int32_t len_in_file, len=1;\n");
fprintf(cf, " char charcmd = cmd;\n");
fprintf(cf, " u_int32_t crc_in_file, crc = toku_crc32(0, &char_cmd, 1);\n");
@ -165,20 +170,20 @@ void generate_logprint (void) {
fprintf(cf, " fprintf(outf, \" len=%%d\", len_in_file);\n");
fprintf(cf, " if (len_in_file!=len) fprintf(\" actual_len=%%d\", actual_len);\n");
fprintf(cf, " if (len_in_file!=len || crc_in_file!=crc) return DB_BADFORMAT;\n");
fprintf(cf, " goto next;\n\n");
fprintf(cf, " return 0;;\n\n");
}));
fprintf(cf, " }\n");
fprintf(cf, " fprintf(outf, \"Unknown command %%d ('%%c')\", cmd, cmd);\n");
fprintf(cf, " return DB_BADFORMAT;\n");
fprintf(cf, " next: ;\n");
fprintf(cf, " }\n");
fprintf(cf, " return 0;\n");
fprintf(cf, "}\n\n");
}
int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__unused__))) {
cf = fopen("log_code.c", "w"); assert(cf!=0);
hf = fopen("log_header.h", "w"); assert(hf!=0);
fprintf(cf, "#include <stdio.h>\n");
fprintf(hf, "#include \"brt-internal.h\"\n");
fprintf(cf, "#include \"log_header.h\"\n");
generate_log_struct();
generate_log_writer();
generate_log_reader();