121 lines
3.0 KiB
C
121 lines
3.0 KiB
C
#include <assert.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include "redqueen.h"
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#include "debug.h"
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#include "file_helper.h"
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///////////////////////////////////////////////////////////////////////////////////
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// Private Helper Functions Declarations
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///////////////////////////////////////////////////////////////////////////////////
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size_t _count_lines_in_file(FILE* fp);
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void _parse_addresses_in_file(FILE* fp, size_t num_addrs, uint64_t* addrs);
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///////////////////////////////////////////////////////////////////////////////////
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// Public Functions
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///////////////////////////////////////////////////////////////////////////////////
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void write_debug_result(char* buf){
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int unused __attribute__((unused));
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int fd = open("/tmp/qemu_debug.txt", O_WRONLY | O_CREAT | O_APPEND, S_IRWXU);
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assert(fd > 0);
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unused = write(fd, buf, strlen(buf));
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close(fd);
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}
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void parse_address_file(char* path, size_t* num_addrs, uint64_t** addrs){
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FILE* fp = fopen(path,"r");
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if(!fp){
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*num_addrs = 0;
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*addrs = NULL;
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return;
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}
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*num_addrs = _count_lines_in_file(fp);
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if(*num_addrs == 0){
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*addrs = NULL;
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goto exit_function;
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}
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assert(*num_addrs < 0xffff);
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*addrs = malloc(sizeof(uint64_t)*(*num_addrs));
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_parse_addresses_in_file(fp, *num_addrs, *addrs);
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exit_function:
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fclose(fp);
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}
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int re_fd = 0;
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int se_fd = 0;
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void write_re_result(char* buf){
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int unused __attribute__((unused));
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if (!re_fd)
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re_fd = open(redqueen_workdir.redqueen_results, O_WRONLY | O_CREAT | O_APPEND, S_IRWXU);
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unused = write(re_fd, buf, strlen(buf));
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}
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void fsync_redqueen_files(void){
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if (!se_fd){
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fsync(se_fd);
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}
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if (!re_fd){
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fsync(re_fd);
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}
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}
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void write_se_result(char* buf){
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//int fd;
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int unused __attribute__((unused));
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if (!se_fd)
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se_fd = open(redqueen_workdir.symbolic_results, O_WRONLY | O_CREAT | O_APPEND, S_IRWXU);
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unused = write(se_fd, buf, strlen(buf));
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//close(fd);
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}
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void delete_redqueen_files(void){
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int unused __attribute__((unused));
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if (!re_fd)
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re_fd = open(redqueen_workdir.redqueen_results, O_WRONLY | O_CREAT | O_APPEND, S_IRWXU);
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if (!se_fd)
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se_fd = open(redqueen_workdir.symbolic_results, O_WRONLY | O_CREAT | O_APPEND, S_IRWXU);
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unused = ftruncate(re_fd, 0);
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unused = ftruncate(se_fd, 0);
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}
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///////////////////////////////////////////////////////////////////////////////////
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// Private Helper Functions Definitions
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///////////////////////////////////////////////////////////////////////////////////
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size_t _count_lines_in_file(FILE* fp){
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size_t val = 0;
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size_t count = 0;
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while(1){
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int scanres = fscanf(fp, "%lx", &val);
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if(scanres == 0){
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printf("WARNING, invalid line in address file");
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assert(scanres != 0);
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}
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if(scanres == -1){break;}
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count+=1;
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}
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rewind(fp);
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return count;
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}
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void _parse_addresses_in_file(FILE* fp, size_t num_addrs, uint64_t* addrs){
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for(size_t i = 0; i < num_addrs; i++){
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assert(fscanf(fp, "%lx", &addrs[i]) == 1);
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}
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}
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