/*
* Closes an mFILE. If the filename is known (implying write access) then this
* also writes the data to disk.
*
* Stdout is handled by calling mfflush which writes to stdout if appropriate.
*/
int mfclose(mFILE *mf) {
if (!mf)
return -1;
if (mf->mode&MF_MEMORY) {
mfdestroy(mf);
return 0;
}
mfflush(mf);
if (mf->fp)
fclose(mf->fp);
mfdestroy(mf);
return 0;
}
/*
* Closes an mFILE. If the filename is known (implying write access) then this
* also writes the data to disk.
*
* Stdout is handled by calling mfflush which writes to stdout if appropriate.
*/
int mfclose(mFILE *mf) {
if (!mf)
return -1;
mfflush(mf);
if (mf->fp)
fclose(mf->fp);
mfdestroy(mf);
return 0;
}
mFILE *find_file_url(char *file, char *url) {
char buf[8192], *cp;
mFILE *mf = NULL;
int maxlen = 8190 - strlen(file), len;
hFILE *hf;
/* Expand %s for the trace name */
for (cp = buf; *url && cp - buf < maxlen; url++) {
if (*url == '%' && *(url+1) == 's') {
url++;
cp += strlen(strcpy(cp, file));
} else {
*cp++ = *url;
}
}
*cp++ = 0;
if (!(hf = hopen(buf, "r")))
return NULL;
if (NULL == (mf = mfcreate(NULL, 0)))
return NULL;
while ((len = hread(hf, buf, 8192)) > 0) {
if (mfwrite(buf, len, 1, mf) <= 0) {
hclose_abruptly(hf);
mfdestroy(mf);
return NULL;
}
}
if (hclose(hf) < 0 || len < 0) {
mfdestroy(mf);
return NULL;
}
mrewind(mf);
return mf;
}
void *mfsteal(mFILE *mf, size_t *size_out) {
void *data;
if (!mf) return NULL;
data = mf->data;
if (NULL != size_out) *size_out = mf->size;
mfdetach(mf);
mf->data = NULL;
mfdestroy(mf);
return data;
}
/*
* Closes an mFILE. If the filename is known (implying write access) then this
* also writes the data to disk.
*
* Stdout is handled by calling mfflush which writes to stdout if appropriate.
*/
int mfclose(mFILE *mf) {
if (!mf)
return -1;
mfflush(mf);
#ifdef HAVE_MMAP
if ((mf->mode & MF_MMAP) && mf->data) {
/* Mmaped */
munmap(mf->data, mf->size);
mf->data = NULL;
}
#endif
if (mf->fp)
fclose(mf->fp);
mfdestroy(mf);
return 0;
}
/*
* Looks for a trace name in an SRF archive and returns the binary contents
* if found, or NULL if not.
*/
mFILE *find_reading(srf_t *srf, char *tr_name) {
do {
int type;
switch(type = srf_next_block_type(srf)) {
case -1:
/* EOF */
return NULL;
case SRFB_CONTAINER:
if (0 != srf_read_cont_hdr(srf, &srf->ch))
return NULL;
break;
case SRFB_XML:
if (0 != srf_read_xml(srf, &srf->xml))
return NULL;
break;
case SRFB_TRACE_HEADER: {
/* off_t pos = ftell(srf->fp); */
if (0 != srf_read_trace_hdr(srf, &srf->th))
return NULL;
#if 0
/*
* If the name prefix doesn't match tr_name then skip this entire
* block.
*/
if (0 != strncmp(tr_name, srf->th.id_prefix,
strlen(srf->th.id_prefix)) &&
0 != srf->th.next_block_offset) {
fseek(srf->fp, pos + srf->th.next_block_offset, SEEK_SET);
}
#endif
break;
}
case SRFB_TRACE_BODY: {
mFILE *mf = mfcreate(NULL, 0);
srf_trace_body_t tb;
char name[512];
if (!mf || 0 != srf_read_trace_body(srf, &tb, 0))
return NULL;
sprintf(name, "%s%s", srf->th.id_prefix, tb.read_id);
if (strcmp(name, tr_name)) {
mfdestroy(mf);
if (tb.trace)
free(tb.trace);
continue;
}
if (srf->th.trace_hdr_size)
mfwrite(srf->th.trace_hdr, 1,
srf->th.trace_hdr_size, mf);
if (tb.trace_size)
mfwrite(tb.trace, 1, tb.trace_size, mf);
if (tb.trace)
free(tb.trace);
mrewind(mf);
return mf;
}
case SRFB_INDEX: {
off_t pos = ftello(srf->fp);
srf_read_index_hdr(srf, &srf->hdr, 1);
/* Skip the index body */
fseeko(srf->fp, pos + srf->hdr.size, SEEK_SET);
break;
}
case SRFB_NULL_INDEX:
break;
default:
fprintf(stderr, "Block of unknown type '%c'. Aborting\n", type);
return NULL;
}
} while (1);
return NULL;
}
mFILE *find_file_url(char *file, char *url) {
char buf[8192], *cp;
mFILE *mf = NULL, *headers = NULL;
int maxlen = 8190 - strlen(file);
static CURL *handle = NULL;
static int curl_init = 0;
char errbuf[CURL_ERROR_SIZE];
*errbuf = 0;
if (!curl_init) {
if (curl_global_init(CURL_GLOBAL_ALL))
return NULL;
if (NULL == (handle = curl_easy_init()))
goto error;
curl_init = 1;
}
/* Expand %s for the trace name */
for (cp = buf; *url && cp - buf < maxlen; url++) {
if (*url == '%' && *(url+1) == 's') {
url++;
cp += strlen(strcpy(cp, file));
} else {
*cp++ = *url;
}
}
*cp++ = 0;
/* Setup the curl */
if (NULL == (mf = mfcreate(NULL, 0)) ||
NULL == (headers = mfcreate(NULL, 0)))
return NULL;
if (0 != curl_easy_setopt(handle, CURLOPT_URL, buf))
goto error;
if (0 != curl_easy_setopt(handle, CURLOPT_CONNECTTIMEOUT, 60L))
goto error;
if (0 != curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION,
(curl_write_callback)mfwrite))
goto error;
if (0 != curl_easy_setopt(handle, CURLOPT_WRITEDATA, mf))
goto error;
if (0 != curl_easy_setopt(handle, CURLOPT_HEADERFUNCTION,
(curl_write_callback)mfwrite))
goto error;
if (0 != curl_easy_setopt(handle, CURLOPT_WRITEHEADER, headers))
goto error;
if (0 != curl_easy_setopt(handle, CURLOPT_ERRORBUFFER, errbuf))
goto error;
/* Fetch! */
if (0 != curl_easy_perform(handle))
goto error;
/* Report errors is approproate. 404 is silent as it may have just been
* a search via RAWDATA path, everything else is worth reporting.
*/
{
float version;
int response;
char nul = 0;
mfwrite(&nul, 1, 1, headers);
if (2 == sscanf(headers->data, "HTTP/%f %d", &version, &response)) {
if (response != 200) {
if (response != 404)
fprintf(stderr, "%.*s\n",
(int)headers->size, headers->data);
goto error;
}
}
}
if (mftell(mf) == 0)
goto error;
mfdestroy(headers);
mrewind(mf);
return mf;
error:
if (mf)
mfdestroy(mf);
if (headers)
mfdestroy(headers);
if (*errbuf)
fprintf(stderr, "%s\n", errbuf);
return NULL;
}
/*
* Given the archive name and the level_mode
* generate information about the archive
*
* Note the generated srf file is NOT indexed
*
* Returns 0 on success.
*/
int srf_info(char *input, int level_mode, long *read_count, long *chunk_count,
uint64_t *chunk_size, long key_count[NCHUNKS][NKEYS],
long type_count[NCHUNKS][NTYPES], HashTable *regn_hash,
uint64_t *base_count) {
srf_t *srf;
off_t pos;
int type;
int count = 0;
long trace_body_count = 0;
char name[1024];
if (NULL == (srf = srf_open(input, "rb"))) {
perror(input);
return 1;
}
while ((type = srf_next_block_type(srf)) >= 0) {
switch (type) {
case SRFB_CONTAINER:
if( trace_body_count ){
if( level_mode & LEVEL_NAME )
printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
trace_body_count = 0;
}
if (0 != srf_read_cont_hdr(srf, &srf->ch)) {
fprintf(stderr, "Error reading container header.\nExiting.\n");
exit(1);
}
break;
case SRFB_XML:
if( trace_body_count ){
if( level_mode & LEVEL_NAME )
printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
trace_body_count = 0;
}
if (0 != srf_read_xml(srf, &srf->xml)) {
fprintf(stderr, "Error reading XML.\nExiting.\n");
exit(1);
}
break;
case SRFB_TRACE_HEADER:
if( trace_body_count ){
if( level_mode & LEVEL_NAME )
printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
trace_body_count = 0;
}
if (0 != srf_read_trace_hdr(srf, &srf->th)) {
fprintf(stderr, "Error reading trace header.\nExiting.\n");
exit(1);
}
if( 0 == (level_mode & (LEVEL_CHUNK | LEVEL_BASE)) )
break;
/* Decode ZTR chunks in the header */
if (srf->mf)
mfdestroy(srf->mf);
srf->mf = mfcreate(NULL, 0);
if (srf->th.trace_hdr_size)
mfwrite(srf->th.trace_hdr, 1, srf->th.trace_hdr_size, srf->mf);
if (srf->ztr)
delete_ztr(srf->ztr);
mrewind(srf->mf);
if (NULL != (srf->ztr = partial_decode_ztr(srf, srf->mf, NULL))) {
srf->mf_pos = mftell(srf->mf);
} else {
/* Maybe not enough to decode or no headerBlob. */
/* So delay until decoding the body. */
srf->mf_pos = 0;
}
mfseek(srf->mf, 0, SEEK_END);
srf->mf_end = mftell(srf->mf);
break;
case SRFB_TRACE_BODY: {
srf_trace_body_t old_tb;
ztr_t *ztr_tmp;
int no_trace = (level_mode & (LEVEL_CHUNK | LEVEL_BASE) ? 0 : 1);
if (0 != srf_read_trace_body(srf, &old_tb, no_trace)) {
fprintf(stderr, "Error reading trace body.\nExiting.\n");
exit(1);
}
if (-1 == construct_trace_name(srf->th.id_prefix,
(unsigned char *)old_tb.read_id,
old_tb.read_id_length,
name, 512)) {
fprintf(stderr, "Error constructing trace name.\nExiting.\n");
exit(1);
}
trace_body_count++;
if( 1 == trace_body_count ){
if( level_mode & LEVEL_NAME )
printf( "trace_name: %s + %s", srf->th.id_prefix, name+strlen(srf->th.id_prefix));
}
read_count[READ_TOTAL]++;
if (old_tb.flags & SRF_READ_FLAG_BAD_MASK ){
read_count[READ_BAD]++;
} else {
read_count[READ_GOOD]++;
}
if( 0 == (level_mode & (LEVEL_CHUNK | LEVEL_BASE)) )
break;
if (!srf->mf) {
fprintf(stderr, "Error reading trace body.\nExiting.\n");
exit(1);
}
mfseek(srf->mf, srf->mf_end, SEEK_SET);
if (old_tb.trace_size) {
mfwrite(old_tb.trace, 1, old_tb.trace_size, srf->mf);
free(old_tb.trace);
old_tb.trace = NULL;
}
mftruncate(srf->mf, mftell(srf->mf));
mfseek(srf->mf, srf->mf_pos, SEEK_SET);
if (srf->ztr)
ztr_tmp = ztr_dup(srf->ztr); /* inefficient, but simple */
else
ztr_tmp = NULL;
if ((ztr_tmp = partial_decode_ztr(srf, srf->mf, ztr_tmp))) {
int i;
for (i=0; i<ztr_tmp->nchunks; i++) {
int ichunk = -1;
switch (ztr_tmp->chunk[i].type) {
case ZTR_TYPE_BASE:
ichunk = CHUNK_BASE;
chunk_size[ichunk] += ztr_tmp->chunk[i].dlength;
if( parse_base(ztr_tmp, &ztr_tmp->chunk[i], base_count) ){
delete_ztr(ztr_tmp);
return 1;
}
break;
case ZTR_TYPE_CNF1:
ichunk = CHUNK_CNF1;
chunk_size[ichunk] += ztr_tmp->chunk[i].dlength;
break;
case ZTR_TYPE_CNF4:
ichunk = CHUNK_CNF4;
chunk_size[ichunk] += ztr_tmp->chunk[i].dlength;
break;
case ZTR_TYPE_SAMP:
ichunk = CHUNK_SAMP;
chunk_size[ichunk] += ztr_tmp->chunk[i].dlength;
break;
case ZTR_TYPE_SMP4:
ichunk = CHUNK_SMP4;
chunk_size[ichunk] += ztr_tmp->chunk[i].dlength;
break;
case ZTR_TYPE_REGN:
ichunk = CHUNK_REGN;
chunk_size[ichunk] += ztr_tmp->chunk[i].dlength;
if( NULL == parse_regn(ztr_tmp, &ztr_tmp->chunk[i], regn_hash) ){
delete_ztr(ztr_tmp);
return 1;
}
break;
default:
break;
}
if( ichunk > -1 ) {
chunk_count[ichunk]++;
count_mdata_keys(ztr_tmp, &ztr_tmp->chunk[i], ichunk, key_count, type_count);
}
}
}
if( ztr_tmp )
delete_ztr(ztr_tmp);
count++;
if( (level_mode == LEVEL_CHECK) && (count == 10) ){
printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
srf_destroy(srf, 1);
return 0;
}
break;
}
case SRFB_INDEX: {
off_t pos = ftell(srf->fp);
if( trace_body_count ){
if( level_mode & LEVEL_NAME )
printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
trace_body_count = 0;
}
printf( "Reading srf index block\n");
if (0 != srf_read_index_hdr(srf, &srf->hdr, 1)) {
srf_destroy(srf, 1);
fprintf(stderr, "Error reading srf index block header.\nExiting.\n");
exit(1);
}
/* Skip the index body */
fseeko(srf->fp, pos + srf->hdr.size, SEEK_SET);
break;
}
case SRFB_NULL_INDEX: {
uint64_t ilen;
if( trace_body_count ){
if( level_mode & LEVEL_NAME )
printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
trace_body_count = 0;
}
printf( "Reading srf null index block\n");
/*
* Maybe the last 8 bytes of a the file (or previously was
* last 8 bytes prior to concatenating SRF files together).
* If so it's the index length and should always be 8 zeros.
*/
if (1 != fread(&ilen, 8, 1, srf->fp)) {
srf_destroy(srf, 1);
fprintf(stderr, "Error reading srf null index block.\nExiting.\n");
exit(1);
}
if (ilen != 0) {
srf_destroy(srf, 1);
fprintf(stderr, "Invalid srf null index block.\nExiting.\n");
exit(1);
}
break;
}
default:
srf_destroy(srf, 1);
fprintf(stderr, "Block of unknown type '%c'\nExiting.\n", type);
exit(1);
}
}
if( trace_body_count ){
if( level_mode & LEVEL_NAME )
printf( " ... %s x%ld\n", name+strlen(srf->th.id_prefix), trace_body_count);
trace_body_count = 0;
}
/* the type should be -1 (EOF) */
if( type != -1 ) {
fprintf(stderr, "Block of unknown type '%c'\nExiting.\n", type);
exit(1);
}
/* are we really at the end of the srf file */
pos = ftell(srf->fp);
fseek(srf->fp, 0, SEEK_END);
if( pos != ftell(srf->fp) ){
fprintf(stderr, "srf file is corrupt\n");
exit(1);
}
srf_destroy(srf, 1);
return 0;
}