static int write_obj(uint16_t type, void *data)
{
/* write the object out */
switch(type)
{
case SCAMPER_FILE_OBJ_TRACELB:
if(scamper_file_write_tracelb(outfile, data) != 0)
return -1;
scamper_tracelb_free(data);
break;
case SCAMPER_FILE_OBJ_TRACE:
if(scamper_file_write_trace(outfile, data) != 0)
return -1;
scamper_trace_free(data);
break;
case SCAMPER_FILE_OBJ_PING:
if(scamper_file_write_ping(outfile, data) != 0)
return -1;
scamper_ping_free(data);
break;
case SCAMPER_FILE_OBJ_DEALIAS:
if(scamper_file_write_dealias(outfile, data) != 0)
return -1;
scamper_dealias_free(data);
break;
case SCAMPER_FILE_OBJ_CYCLE_START:
if(scamper_file_write_cycle_start(outfile, data) != 0)
return -1;
scamper_cycle_free(data);
break;
case SCAMPER_FILE_OBJ_CYCLE_STOP:
if(scamper_file_write_cycle_stop(outfile, data) != 0)
return -1;
scamper_cycle_free(data);
break;
default:
fprintf(stderr, "unhandled data object 0x%04x\n", type);
break;
}
return 0;
}
/*
* warts_tracelb_read
*
*/
int scamper_file_warts_tracelb_read(scamper_file_t *sf, const warts_hdr_t *hdr,
scamper_tracelb_t **trace_out)
{
warts_state_t *state = scamper_file_getstate(sf);
scamper_tracelb_t *trace = NULL;
uint8_t *buf = NULL;
uint32_t i, off = 0;
uint16_t *nlc = NULL, j;
scamper_tracelb_node_t *node;
warts_addrtable_t table;
memset(&table, 0, sizeof(table));
if(warts_read(sf, &buf, hdr->len) != 0)
{
goto err;
}
if(buf == NULL)
{
*trace_out = NULL;
return 0;
}
if((trace = scamper_tracelb_alloc()) == NULL)
{
goto err;
}
/* read the trace's parameters */
if(warts_tracelb_params_read(trace, state, &table, buf, &off, hdr->len) != 0)
{
goto err;
}
/* read the nodes */
if(trace->nodec > 0)
{
if(scamper_tracelb_nodes_alloc(trace, trace->nodec) != 0)
{
goto err;
}
for(i=0; i<trace->nodec; i++)
{
if((trace->nodes[i] = scamper_tracelb_node_alloc(NULL)) == NULL)
goto err;
if(warts_tracelb_node_read(trace->nodes[i], state, &table,
buf, &off, hdr->len) != 0)
goto err;
}
}
/* read the links */
if(trace->linkc > 0)
{
if(scamper_tracelb_links_alloc(trace, trace->linkc) != 0)
{
goto err;
}
for(i=0; i<trace->linkc; i++)
{
if((trace->links[i] = scamper_tracelb_link_alloc()) == NULL)
goto err;
if(warts_tracelb_link_read(trace, trace->links[i], state, &table,
buf, &off, hdr->len) != 0)
goto err;
}
}
/* don't need the buf any more */
free(buf); buf = NULL;
/*
* add the links to their respective nodes.
*/
if(trace->nodec > 0)
{
if((nlc = malloc_zero(sizeof(uint16_t) * trace->nodec)) == NULL)
{
goto err;
}
for(i=0; i<trace->linkc; i++)
{
for(j=0; j<trace->nodec; j++)
{
if(trace->links[i]->from == trace->nodes[j])
break;
}
if(j == trace->nodec)
goto err;
node = trace->nodes[j];
if(node->links == NULL &&
scamper_tracelb_node_links_alloc(node, node->linkc) != 0)
goto err;
if(nlc[j] == node->linkc)
goto err;
node->links[nlc[j]++] = trace->links[i];
}
for(i=0; i<trace->nodec; i++)
{
if(nlc[i] != trace->nodes[i]->linkc)
goto err;
}
free(nlc); nlc = NULL;
}
warts_addrtable_clean(&table);
*trace_out = trace;
return 0;
err:
warts_addrtable_clean(&table);
if(buf != NULL) free(buf);
if(nlc != NULL) free(nlc);
if(trace != NULL) scamper_tracelb_free(trace);
return -1;
}