void sendFileByAcc(struct sqlConnection *conn, char* acc)
/* send file identified by acc (=cdwValidFile.licensePlate), suggests a canonical filename of the format
* <licensePlate>.<originalExtension>
* Example URL: http://hgwdev.soe.ucsc.edu/cgi-bin/cdwGetFile?acc=SCH000FSW */
{
struct cdwValidFile *vf = cdwValidFileFromLicensePlate(conn, acc);
if (vf==NULL)
errExit("%s is not a valid accession in the CDW.", acc);
struct cdwFile *ef = cdwFileFromId(conn, vf->fileId);
char* filePath = cdwPathForFileId(conn, vf->fileId);
mustHaveAccess(conn, ef);
// use the license plate as the basename of the downloaded file.
// Take the extension from the submitted filename, as cdwFile.format is not the same as the extension
// e.g. format=fasta -> fa.gz
char *submitExt = skipBeyondDelimit(basename(ef->submitFileName), '.');
char suggestName[8000];
safef(suggestName, sizeof(suggestName), "%s.%s", vf->licensePlate, submitExt);
apacheSendX(vf->format, filePath, suggestName);
}
void warnWithBackTrace(char *format, ...)
/* Issue a warning message and append backtrace. */
{
va_list args;
va_start(args, format);
struct dyString *dy = newDyString(255);
dyStringAppend(dy, format);
#define STACK_LIMIT 20
char **strings = NULL;
int count = 0;
// developer: this is an occasionally useful means of getting stack info without crashing
// however, it is not supported on cygwin. Conditionally compile this in when desired.
// The define is at top to include execinfo.h
#ifdef BACKTRACE_EXISTS
void *buffer[STACK_LIMIT];
count = backtrace(buffer, STACK_LIMIT);
strings = backtrace_symbols(buffer, count);
#endif///def BACKTRACE_EXISTS
if (strings == NULL)
dyStringAppend(dy,"\nno backtrace_symbols available in errabort::warnWithBackTrace().");
else
{
int ix = 1;
dyStringAppend(dy,"\nBACKTRACE (use on cmdLine):");
if (strings[1] != NULL)
{
strSwapChar(strings[1],' ','\0');
dyStringPrintf(dy,"\naddr2line -Cfise %s",strings[1]);
strings[1] += strlen(strings[1]) + 1;
}
for (; ix < count && strings[ix] != NULL; ix++)
{
strings[ix] = skipBeyondDelimit(strings[ix],'[');
strSwapChar(strings[ix],']','\0');
dyStringPrintf(dy," %s",strings[ix]);
}
free(strings);
}
vaWarn(dyStringCannibalize(&dy), args);
va_end(args);
}
