/* * Copyright (c) 2019 TAOS Data, Inc. * * This program is free software: you can use, redistribute, and/or modify * it under the terms of the GNU Affero General Public License, version 3 * or later ("AGPL"), as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ #include #include #include #include "os.h" #include "tscompression.h" #define FT_CNT 8 #include #include struct timeval startTime; struct timeval endTime; /* Start and end times */ struct timeval costStart; /*only used for recording the cost*/ double totalCost = 0; void cost_start() { totalCost = 0; gettimeofday(&costStart, NULL); } double cost_end(const char* tag) { double elapsed; struct timeval costEnd; gettimeofday(&costEnd, NULL); elapsed = ((costEnd.tv_sec*1000000+costEnd.tv_usec)-(costStart.tv_sec*1000000+costStart.tv_usec))/1000000.0; totalCost += elapsed; double use_ms = totalCost*1000; printf(" timecost %s : %.3f ms\n", tag, use_ms); return use_ms; } float toFloat(char* buf){ return (float)atoll(buf); } // // read float // float* read_float(const char* inFile, int* pcount){ // check valid if(inFile == NULL || inFile[0] == 0 ){ printf(" inFile is NULL or EMPTY.\n"); return NULL; } // read in file FILE* pfin = fopen(inFile, "r"); if(pfin == NULL){ printf(" open IN file %s error. errno=%d\n", inFile, errno); return false; } // read one line from infile and write to outfile char buf[256]={0}; int malloc_cnt = 100000; float* floats = malloc(malloc_cnt*sizeof(float)); int fi = 0; while(fgets(buf, sizeof(buf), pfin) != NULL) { // get item floats[fi] = atof(buf); //printf(" buff=%s float=%.50f \n ", buf, floats[fi]); if ( ++fi == malloc_cnt ) { malloc_cnt += 100000; floats = realloc(floats, malloc_cnt*sizeof(float)); } memset(buf, 0, sizeof(buf)); } // close fclose(pfin); if(pcount) *pcount = fi; return floats; } float check_same(float* ft1, float* ft2, int count){ int same_cnt =0; for(int i=0; i< count; i++){ if(ft1[i] == ft2[i]){ same_cnt ++; } if(i < 20){ printf(" i=%d ft1=%.50f diff=%.50f \n", i, ft1[i], ft1[i] - ft2[i]); printf(" i=%d ft2=%.50f \n", i, ft2[i]); } } float same_rate = same_cnt*100/count; printf(" all count=%d same=%d same rate=%.0f%% \n", count, same_cnt, same_rate); return same_rate; } // // test compress and decompress // bool testFile(const char* inFile, char algorithm){ // check valid if(inFile == NULL || inFile[0] == 0 ){ printf(" inFile is NULL or EMPTY.\n"); return false; } int cnt = 0; float* floats = read_float(inFile, &cnt); if(floats == NULL) { return false; } // compress const char* input = (const char*)floats; int input_len = cnt * sizeof(cnt); char* output = (char*) malloc(input_len); int output_len = input_len; char* buff = (char*) malloc(input_len); int buff_len = input_len; printf(" file %s have count=%d \n", inFile, cnt); cost_start(); int ret_len = tsCompressFloat(input, input_len, cnt, output, output_len, algorithm, buff, buff_len); if(ret_len == -1) { printf(" compress error.\n"); return 0; } double use_ms1 = cost_end("compress"); printf(" compress len=%d input len=%d\n", ret_len, input_len); float rate=100*(float)ret_len/(float)input_len; printf(" compress rate=%.1f an-rate=%.4f%%\n", (float)input_len/(float)ret_len, rate); // // decompress // float* ft2 = (float*)malloc(input_len); cost_start(); int code = tsDecompressFloat(output, ret_len, cnt, (char*)ft2, input_len, algorithm, buff, buff_len); double use_ms2 = cost_end("Decompress"); printf(" Decompress return length=%d \n", code); // compare same float same_rate = check_same(floats, ft2, cnt); printf("\n ------------------ count:%d TD <%s> ---------------- \n", cnt, algorithm == ONE_STAGE_COMP?"ONE":"TWO"); printf(" Compress Rate ......... [%.0f%%] \n", rate); double speed1 = (cnt*sizeof(float)*1000/1024/1024)/use_ms1; printf(" Compress Time ......... [%.4fms] speed=%.1f MB/s\n", use_ms1, speed1); double speed2 = (cnt*sizeof(float)*1000/1024/1024)/use_ms2; printf(" Decompress Time........ [%.4fms] speed=%.1f MB/s\n", use_ms2, speed2); printf(" Same Rate ............. [%.0f%%] \n\n", same_rate); // free free(ft2); free(floats); free(buff); free(output); return true; } int memTest(); // // main // int main(int argc, char *argv[]) { printf("welcome to use taospack tools v1.1. \n"); if(argc == 3){ char algo = 0; // t if(strcmp(argv[1], "-tone") == 0 || strcmp(argv[1], "-t") == 0 ) { algo = ONE_STAGE_COMP; } if(strcmp(argv[1], "-ttwo") == 0) { algo = TWO_STAGE_COMP; } if(algo == 0){ printf(" no param -tone -ttwo \n"); return 0; } bool ret = testFile(argv[2], algo); printf(" test file %s. \n", ret ? "ok" : "err"); return 1; } //memTest(); return 0; } // // txt to binary file // #define BUFF_CNT 256 bool txt_to_bin(const char* inFile, const char* outFile){ // check valid if(inFile == NULL || outFile == NULL || inFile[0] == 0 || outFile[0] == 0){ printf(" inFile or outFile is NULL or EMPTY.\n"); return false; } printf(" infile=%s \n", inFile); printf(" outfile=%s \n", outFile); // read in file FILE* pfin = fopen(inFile, "r"); if(pfin == NULL){ printf(" open IN file %s error. errno=%d\n", inFile, errno); return false; } // create out file FILE* pfout = fopen(outFile, "w+"); if(pfout == NULL){ printf(" open OUT file %s error. errno=%d\n", outFile, errno); fclose(pfin); return false; } // read one line from infile and write to outfile char buf[256]={0}; float fbuf[BUFF_CNT] = {0}; int fi = 0; int count = 0; while(fgets(buf, sizeof(buf), pfin) != NULL) { // get item fbuf[fi] = toFloat(buf); if ( ++fi == BUFF_CNT ) { // write if(fwrite(fbuf, sizeof(float), BUFF_CNT, pfout) == 0) { printf(" write to file %s error , code=%d . app exit.\n", outFile, errno); exit(1); } fi = 0; } count ++; memset(buf, 0, sizeof(buf)); } // write retain if( fi > 0){ if(fwrite(fbuf, sizeof(float), fi, pfout) == 0) { printf(" write to file %s error , code=%d . app exit.\n", outFile, errno); exit(1); } } // close fclose(pfin); fclose(pfout); // total printf(" count=%d write bytes=%lu \n", count, count*sizeof(float)); return true; } int memTest() { // // compress // //float ft1[FT_CNT] = {1.2, 2.4, 3.33, 4.444, 5.555, 6.6666, 7.7777, 8.88888}; float ft1[ ] = {\ 3.8959999084472656, 3.8970000743865967, 3.8980000019073486, 3.8980000019073486, 3.8970000743865967, 3.8970000743865967, 3.8970000743865967, 3.8949999809265137, 3.8959999084472656, 3.8959999084472656, 3.8959999084472656, 3.8970000743865967, 3.8970000743865967, 3.8959999084472656, 3.8980000019073486, 3.8970000743865967, 3.8970000743865967, 3.8959999084472656, 3.8980000019073486, 3.8959999084472656, 3.8949999809265137, 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3.63100004196167, 3.631999969482422, 3.631999969482422, 3.63100004196167, 3.631999969482422, 3.631999969482422, 3.631999969482422, 3.63100004196167, 3.631999969482422, 3.631999969482422, 3.63100004196167, 3.631999969482422, 3.631999969482422, 3.632999897003174, 3.632999897003174, 3.631999969482422, 3.631999969482422, 3.631999969482422, 3.631999969482422, 3.631999969482422, 3.631999969482422, 3.631999969482422, 3.631999969482422, 3.632999897003174, 3.631999969482422, 3.631999969482422, 3.632999897003174, 3.631999969482422, 3.632999897003174, 3.631999969482422 }; const char* input = (const char*) ft1; int input_len = sizeof(ft1); int cnt = input_len/sizeof(float); printf(" input input_len=%d count=%d \n", input_len, cnt); char* output = (char*) malloc(input_len); int output_len = input_len; char buff[1024] ={0}; int buff_len = sizeof(buff); cost_start(); int ret_len = tsCompressFloat(input, input_len, cnt, output, output_len, ONE_STAGE_COMP, buff, buff_len); if(ret_len == -1) { printf(" compress error.\n"); return 0; } cost_end(" tscompress"); printf(" compress return len=%d input len=%d\n", ret_len, input_len); printf(" compress rate=%.1f an-rate=%.0f%%\n", (float)input_len/(float)ret_len, 100*(float)ret_len/(float)input_len); // // decompress // float* ft2 = (float*)malloc(input_len); cost_start(); int code = tsDecompressFloat(output, ret_len, cnt, (char*)ft2, input_len, ONE_STAGE_COMP, buff, buff_len); cost_end("tsde-compress"); printf(" de-compress return code=%d \n", code); // // show // int same_cnt = 0; for(int i=0; i< cnt; i++){ if(i < 10) printf(" i=%d ft1=%.20f ft2=%.20f same=%d\n", i, ft1[i], ft2[i], ft1[i] == ft2[i]); if(ft1[i] == ft2[i]) same_cnt ++; } printf(" ---- result : same =%d cnt=%d rate:%d%% ---- \n", same_cnt, cnt, same_cnt*100/cnt); free(output); free(ft2); return 1; }