void
TraceMgr::OpenFile() {
// Get seq
char seq_file_name[255];
snprintf(seq_file_name, 255, "/tmp/%d-seq-num", getpid());
FILE* fp_seq = NULL;
char linebuf[255];
struct stat s;
if (stat(seq_file_name, &s) == 0) {
sp_debug("%s exists\n", seq_file_name);
fp_seq = fopen(seq_file_name, "rw");
if (fp_seq == NULL) {
sp_perror("fail to open %s\n", seq_file_name);
}
setbuf(fp_seq, NULL);
if (fgets(linebuf, 255, fp_seq) == NULL) {
sp_perror("fail to read %s\n", seq_file_name);
}
} else {
sp_debug("%s not exists\n", seq_file_name);
fp_seq = fopen(seq_file_name, "w");
if (fp_seq == NULL) {
sp_perror("fail to open %s\n", seq_file_name);
}
setbuf(fp_seq, NULL);
fprintf(fp_seq, "1");
fflush(fp_seq);
strcpy(linebuf, "1");
}
int seq = atoi(linebuf);
// Construct trace file name
char trace_file_name[255];
snprintf(trace_file_name, 255, "/tmp/%d-%d.xml", getpid(), seq);
filename_ = trace_file_name;
fp_ = fopen(trace_file_name, "w");
if (fp_ == NULL) {
sp_perror("fail to open %s\n", trace_file_name);
}
setbuf(fp_, NULL);
// Write back seq
++seq;
rewind(fp_seq);
fprintf(fp_seq, "%d", seq);
fflush(fp_seq);
fclose(fp_seq);
// Write initial data
string init = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>";
init += "<process><head>";
init += "</head></process>";
WriteString(init);
}
static char *
__so_socket_path_sock2path(int domain, int type, int protocol)
{
struct sockpath *sp;
char *result = NULL;
if ((sp = getsockpathent(domain, type, protocol)) != NULL) {
if ((result = strdup(sp->sp_path)) == NULL)
sp_error = SP_NOMEM;
freesockpathent(sp);
}
if (!result) {
sp_perror("socklib");
}
return (result);
}
void
TraceMgr::OpenFile() {
// Get seq
unsigned long seq = MistUtils::GetUsec();
// Construct trace file name
char trace_file_name[255];
snprintf(trace_file_name, 255, "/tmp/%d-%.14lu.xml", getpid(), seq);
filename_ = trace_file_name;
fp_ = fopen(trace_file_name, "w");
if (fp_ == NULL) {
sp_perror("fail to open %s\n", trace_file_name);
}
setbuf(fp_, NULL);
// Write initial data
string init = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>";
init += "<process><head>";
init += "</head></process>";
WriteString(init);
}
