int main(int argc, char *argv[])
{
uint16_t types[] = {
SCAMPER_FILE_OBJ_CYCLE_START,
SCAMPER_FILE_OBJ_CYCLE_STOP,
SCAMPER_FILE_OBJ_PING,
SCAMPER_FILE_OBJ_TRACE,
SCAMPER_FILE_OBJ_DEALIAS,
SCAMPER_FILE_OBJ_TBIT,
};
scamper_file_t *in, *out;
scamper_file_filter_t *filter;
char **files = NULL;
int filec;
uint16_t type;
void *data;
int i;
if((out = scamper_file_openfd(STDOUT_FILENO, NULL, 'w', "json")) == NULL)
{
fprintf(stderr, "could not associate stdout\n");
return -1;
}
filter = scamper_file_filter_alloc(types, sizeof(types)/sizeof(uint16_t));
if(filter == NULL)
{
fprintf(stderr, "could not allocate filter\n");
return -1;
}
filec = argc - 1;
if(filec > 0)
files = argv + 1;
for(i=0; i<=filec; i++)
{
if(filec == 0)
{
if((in = scamper_file_openfd(STDIN_FILENO,"-",'r',"warts")) == NULL)
{
fprintf(stderr, "could not use stdin\n");
return -1;
}
}
else if(i < filec)
{
if((in = scamper_file_open(files[i], 'r', NULL)) == NULL)
{
fprintf(stderr, "could not open %s: %s\n",
files[i], strerror(errno));
return -1;
}
}
else break;
while(scamper_file_read(in, filter, &type, (void *)&data) == 0)
{
if(data == NULL)
break; /* EOF */
if(scamper_file_write_obj(out, type, data) != 0)
return -1;
if(type == SCAMPER_FILE_OBJ_PING)
scamper_ping_free(data);
else if(type == SCAMPER_FILE_OBJ_TRACE)
scamper_trace_free(data);
else if(type == SCAMPER_FILE_OBJ_DEALIAS)
scamper_dealias_free(data);
else if(type == SCAMPER_FILE_OBJ_TBIT)
scamper_tbit_free(data);
}
scamper_file_close(in);
}
scamper_file_filter_free(filter);
scamper_file_close(out);
return 0;
}
int scamper_file_warts_tbit_read(scamper_file_t *sf, const warts_hdr_t *hdr,
scamper_tbit_t **tbit_out)
{
scamper_tbit_t *tbit = NULL;
warts_addrtable_t table;
warts_state_t *state = scamper_file_getstate(sf);
uint8_t *buf = NULL;
uint16_t junk16;
uint32_t junk32;
uint32_t off = 0;
uint32_t i;
memset(&table, 0, sizeof(table));
/* Read in the header */
if(warts_read(sf, &buf, hdr->len) != 0)
{
goto err;
}
if(buf == NULL)
{
*tbit_out = NULL;
return 0;
}
/* Allocate space for a tbit object */
if((tbit = scamper_tbit_alloc()) == NULL)
{
goto err;
}
/* Read in the tbit data from the warts file */
if(warts_tbit_params_read(tbit, &table, state, buf, &off, hdr->len) != 0)
{
goto err;
}
switch(tbit->type)
{
case SCAMPER_TBIT_TYPE_PMTUD:
if((tbit->data = scamper_tbit_pmtud_alloc()) == NULL)
goto err;
break;
case SCAMPER_TBIT_TYPE_NULL:
if((tbit->data = scamper_tbit_null_alloc()) == NULL)
goto err;
break;
}
/* Determine how many tbit_pkts to read */
if(tbit->pktc > 0)
{
/* Allocate the tbit_pkts array */
if(scamper_tbit_pkts_alloc(tbit, tbit->pktc) != 0)
goto err;
/* For each tbit packet, read it and insert it into the tbit structure */
for(i=0; i<tbit->pktc; i++)
{
tbit->pkts[i] = warts_tbit_pkt_read(state, buf, &off, hdr->len);
if(tbit->pkts[i] == NULL)
goto err;
}
}
for(;;)
{
if(extract_uint16(buf, &off, hdr->len, &junk16, NULL) != 0)
goto err;
if(junk16 == WARTS_TBIT_STRUCT_EOF)
break;
if(extract_uint32(buf, &off, hdr->len, &junk32, NULL) != 0)
goto err;
i = off;
if(junk16 == WARTS_TBIT_STRUCT_TYPE)
{
switch(tbit->type)
{
case SCAMPER_TBIT_TYPE_PMTUD:
if(warts_tbit_pmtud_read(tbit, &table, buf, &i, hdr->len) != 0)
goto err;
break;
case SCAMPER_TBIT_TYPE_NULL:
if(warts_tbit_null_read(tbit, buf, &i, hdr->len) != 0)
goto err;
break;
}
}
else if(junk16 == WARTS_TBIT_STRUCT_APP)
{
if(tbit->app_proto == SCAMPER_TBIT_APP_HTTP)
{
if(warts_tbit_app_http_read(tbit, buf, &i, hdr->len) != 0)
goto err;
}
}
off += junk32;
}
assert(off == hdr->len);
warts_addrtable_clean(&table);
*tbit_out = tbit;
free(buf);
return 0;
err:
warts_addrtable_clean(&table);
if(buf != NULL) free(buf);
if(tbit != NULL) scamper_tbit_free(tbit);
return -1;
}
