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; }
int scamper_file_warts_ping_read(scamper_file_t *sf, const warts_hdr_t *hdr, scamper_ping_t **ping_out) { warts_state_t *state = scamper_file_getstate(sf); scamper_ping_t *ping = NULL; uint8_t *buf = NULL; uint32_t off = 0; uint16_t i; scamper_ping_reply_t *reply; uint16_t reply_count; warts_addrtable_t table; memset(&table, 0, sizeof(table)); if(warts_read(sf, &buf, hdr->len) != 0) { goto err; } if(buf == NULL) { *ping_out = NULL; return 0; } if((ping = scamper_ping_alloc()) == NULL) { goto err; } if(warts_ping_params_read(ping, state, &table, buf, &off, hdr->len) != 0) { goto err; } /* determine how many replies to read */ if(extract_uint16(buf, &off, hdr->len, &reply_count, NULL) != 0) { goto err; } /* allocate the ping_replies array */ if(scamper_ping_replies_alloc(ping, ping->ping_sent) != 0) { goto err; } /* if there are no replies, then we are done */ if(reply_count == 0) { goto done; } /* for each reply, read it and insert it into the ping structure */ for(i=0; i<reply_count; i++) { if((reply = scamper_ping_reply_alloc()) == NULL) { goto err; } if(warts_ping_reply_read(ping,reply,state,&table,buf,&off,hdr->len) != 0) { goto err; } if(scamper_ping_reply_append(ping, reply) != 0) { goto err; } } assert(off == hdr->len); done: warts_addrtable_clean(&table); *ping_out = ping; free(buf); return 0; err: warts_addrtable_clean(&table); if(buf != NULL) free(buf); if(ping != NULL) scamper_ping_free(ping); return -1; }
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; }