makefsdata.c

来自「NXPl788上lwip的无操作系统移植,基于Embest开发板」· C语言 代码 · 共 611 行 · 第 1/2 页

/**
 * makefsdata: Converts a directory structure for use with the lwIP httpd.
 *
 * This file is part of the lwIP TCP/IP stack.
 * 
 * Author: Jim Pettinato
 *         Simon Goldschmidt
 *
 * @todo:
 * - take TCP_MSS, LWIP_TCP_TIMESTAMPS and
 *   PAYLOAD_ALIGN_TYPE/PAYLOAD_ALIGNMENT as arguments
 */

#include <stdio.h>
#include <stdlib.h>
#ifdef WIN32
#define WIN32_LEAN_AND_MEAN
#include "windows.h"
#else
#include <dir.h>
#endif
#include <dos.h>
#include <string.h>

/* Compatibility defines Win32 vs. DOS */
#ifdef WIN32

#define FIND_T                        WIN32_FIND_DATAA
#define FIND_T_FILENAME(fInfo)        (fInfo.cFileName)
#define FIND_T_IS_DIR(fInfo)          ((fInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0)
#define FIND_T_IS_FILE(fInfo)         ((fInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
#define FIND_RET_T                    HANDLE
#define FINDFIRST_FILE(path, result)  FindFirstFileA(path, result)
#define FINDFIRST_DIR(path, result)   FindFirstFileA(path, result)
#define FINDNEXT(ff_res, result)      FindNextFileA(ff_res, result)
#define FINDFIRST_SUCCEEDED(ret)      (ret != INVALID_HANDLE_VALUE)
#define FINDNEXT_SUCCEEDED(ret)       (ret == TRUE)

#define GETCWD(path, len)             GetCurrentDirectoryA(len, path)
#define CHDIR(path)                   SetCurrentDirectoryA(path)

#define NEWLINE     "\r\n"
#define NEWLINE_LEN 2

#else

#define FIND_T                        struct fflbk
#define FIND_T_FILENAME(fInfo)        (fInfo.ff_name)
#define FIND_T_IS_DIR(fInfo)          ((fInfo.ff_attrib & FA_DIREC) == FA_DIREC)
#define FIND_T_IS_FILE(fInfo)         (1)
#define FIND_RET_T                    int
#define FINDFIRST_FILE(path, result)  findfirst(path, result, FA_ARCH)
#define FINDFIRST_DIR(path, result)   findfirst(path, result, FA_DIREC)
#define FINDNEXT(ff_res, result)      FindNextFileA(ff_res, result)
#define FINDFIRST_SUCCEEDED(ret)      (ret == 0)
#define FINDNEXT_SUCCEEDED(ret)       (ret == 0)

#define GETCWD(path, len)             getcwd(path, len)
#define CHDIR(path)                   chdir(path)

#endif

/* define this to get the header variables we use to build HTTP headers */
#define LWIP_HTTPD_DYNAMIC_HEADERS 1
#include "../httpd_structs.h"

#include "../../../../lwip/src/core/ipv4/inet_chksum.c"
#include "../../../../lwip/src/core/def.c"

/** (Your server name here) */
const char *serverID = "Server: "HTTPD_SERVER_AGENT"\r\n";

/* change this to suit your MEM_ALIGNMENT */
#define PAYLOAD_ALIGNMENT 4
/* set this to 0 to prevent aligning payload */
#define ALIGN_PAYLOAD 1
/* define this to a type that has the required alignment */
#define PAYLOAD_ALIGN_TYPE "unsigned int"
static int payload_alingment_dummy_counter = 0;

#define HEX_BYTES_PER_LINE 16

#define MAX_PATH_LEN 256

#define COPY_BUFSIZE 10240

int process_sub(FILE *data_file, FILE *struct_file);
int process_file(FILE *data_file, FILE *struct_file, const char *filename);
int file_write_http_header(FILE *data_file, const char *filename, int file_size,
                           u16_t *http_hdr_len, u16_t *http_hdr_chksum);
int file_put_ascii(FILE *file, const char *ascii_string, int len, int *i);
int s_put_ascii(char *buf, const char *ascii_string, int len, int *i);
void concat_files(const char *file1, const char *file2, const char *targetfile);

static unsigned char file_buffer_raw[COPY_BUFSIZE];
/* 5 bytes per char + 3 bytes per line */
static char file_buffer_c[COPY_BUFSIZE * 5 + ((COPY_BUFSIZE / HEX_BYTES_PER_LINE) * 3)];

char curSubdir[MAX_PATH_LEN];
char lastFileVar[MAX_PATH_LEN];
char hdr_buf[4096];

unsigned char processSubs = 1;
unsigned char includeHttpHeader = 1;
unsigned char useHttp11 = 0;
unsigned char precalcChksum = 0;

int main(int argc, char *argv[])
{
  FIND_T fInfo;
  FIND_RET_T fret;
  char path[MAX_PATH_LEN];
  char appPath[MAX_PATH_LEN];
  FILE *data_file;
  FILE *struct_file;
  int filesProcessed;
  int i;
  char targetfile[MAX_PATH_LEN];
  strcpy(targetfile, "fsdata.c");

  memset(path, 0, sizeof(path));
  memset(appPath, 0, sizeof(appPath));

  printf(NEWLINE " makefsdata - HTML to C source converter" NEWLINE);
  printf("     by Jim Pettinato               - circa 2003 " NEWLINE);
  printf("     extended by Simon Goldschmidt  - 2009 " NEWLINE NEWLINE);

  strcpy(path, "fs");
  for(i = 1; i < argc; i++) {
    if (argv[i][0] == '-') {
      if (strstr(argv[i], "-s")) {
        processSubs = 0;
      } else if (strstr(argv[i], "-e")) {
        includeHttpHeader = 0;
      } else if (strstr(argv[i], "-11")) {
        useHttp11 = 1;
      } else if (strstr(argv[i], "-c")) {
        precalcChksum = 1;
      } else if((argv[i][1] == 'f') && (argv[i][2] == ':')) {
        strcpy(targetfile, &argv[i][3]);
        printf("Writing to file \"%s\"\n", targetfile);
      }
    } else {
      strcpy(path, argv[i]);
    }
  }

  /* if command line param or subdir named 'fs' not found spout usage verbiage */
  fret = FINDFIRST_DIR(path, &fInfo);
  if (!FINDFIRST_SUCCEEDED(fret)) {
    /* if no subdir named 'fs' (or the one which was given) exists, spout usage verbiage */
    printf(" Failed to open directory \"%s\"." NEWLINE NEWLINE, path);
    printf(" Usage: htmlgen [targetdir] [-s] [-i] [-f:<filename>]" NEWLINE NEWLINE);
    printf("   targetdir: relative or absolute path to files to convert" NEWLINE);
    printf("   switch -s: toggle processing of subdirectories (default is on)" NEWLINE);
    printf("   switch -e: exclude HTTP header from file (header is created at runtime, default is off)" NEWLINE);
    printf("   switch -11: include HTTP 1.1 header (1.0 is default)" NEWLINE);
    printf("   switch -c: precalculate checksums for all pages (default is off)" NEWLINE);
    printf("   switch -f: target filename (default is \"fsdata.c\")" NEWLINE);
    printf("   if targetdir not specified, htmlgen will attempt to" NEWLINE);
    printf("   process files in subdirectory 'fs'" NEWLINE);
    exit(-1);
  }

  printf("HTTP %sheader will %s statically included." NEWLINE,
    (includeHttpHeader ? (useHttp11 ? "1.1 " : "1.0 ") : ""),
    (includeHttpHeader ? "be" : "not be"));

  sprintf(curSubdir, "");  /* start off in web page's root directory - relative paths */
  printf("  Processing all files in directory %s", path);
  if (processSubs) {
    printf(" and subdirectories..." NEWLINE NEWLINE);
  } else {
    printf("..." NEWLINE NEWLINE);
  }

  GETCWD(appPath, MAX_PATH_LEN);
  data_file = fopen("fsdata.tmp", "wb");
  if (data_file == NULL) {
    printf("Failed to create file \"fsdata.tmp\"\n");
    exit(-1);
  }
  struct_file = fopen("fshdr.tmp", "wb");
  if (struct_file == NULL) {
    printf("Failed to create file \"fshdr.tmp\"\n");
    exit(-1);
  }

  CHDIR(path);

  fprintf(data_file, "#include \"fs.h\"" NEWLINE);
  fprintf(data_file, "#include \"lwip/def.h\"" NEWLINE);
  fprintf(data_file, "#include \"fsdata.h\"" NEWLINE NEWLINE NEWLINE);

  fprintf(data_file, "#define file_NULL (struct fsdata_file *) NULL" NEWLINE NEWLINE NEWLINE);

  sprintf(lastFileVar, "NULL");

  filesProcessed = process_sub(data_file, struct_file);

  /* data_file now contains all of the raw data.. now append linked list of
   * file header structs to allow embedded app to search for a file name */
  fprintf(data_file, NEWLINE NEWLINE);
  fprintf(struct_file, "#define FS_ROOT file_%s" NEWLINE, lastFileVar);
  fprintf(struct_file, "#define FS_NUMFILES %d" NEWLINE NEWLINE, filesProcessed);

  fclose(data_file);
  fclose(struct_file);

  CHDIR(appPath);
  /* append struct_file to data_file */
  printf(NEWLINE "Creating target file..." NEWLINE NEWLINE);
  concat_files("fsdata.tmp", "fshdr.tmp", targetfile);

  /* if succeeded, delete the temporary files */
  remove("fsdata.tmp");
  remove("fshdr.tmp"); 

  printf(NEWLINE "Processed %d files - done." NEWLINE NEWLINE, filesProcessed);

  return 0;
}

static void copy_file(const char *filename_in, FILE *fout)
{
  FILE *fin;
  size_t len;
  fin = fopen(filename_in, "rb");
  if (fin == NULL) {
    printf("Failed to open file \"%s\"\n", filename_in);
    exit(-1);
  }

  while((len = fread(file_buffer_raw, 1, COPY_BUFSIZE, fin)) > 0)
  {
    fwrite(file_buffer_raw, 1, len, fout);
  }
  fclose(fin);
}

void concat_files(const char *file1, const char *file2, const char *targetfile)
{
  FILE *fout;
  fout = fopen(targetfile, "wb");
  if (fout == NULL) {
    printf("Failed to open file \"%s\"\n", targetfile);
    exit(-1);
  }
  copy_file(file1, fout);
  copy_file(file2, fout);
  fclose(fout);
}

int process_sub(FILE *data_file, FILE *struct_file)
{
  FIND_T fInfo;
  FIND_RET_T fret;
  int filesProcessed = 0;
  char oldSubdir[MAX_PATH_LEN];

  if (processSubs) {
    /* process subs recursively */
    strcpy(oldSubdir, curSubdir);
    fret = FINDFIRST_DIR("*", &fInfo);
    if (FINDFIRST_SUCCEEDED(fret)) {
      do {
        const char *curName = FIND_T_FILENAME(fInfo);
        if (curName == NULL) continue;
        if (curName[0] == '.') continue;
        if (strcmp(curName, "CVS") == 0) continue;
        if (!FIND_T_IS_DIR(fInfo)) continue;
        CHDIR(curName);
        strcat(curSubdir, "/");
        strcat(curSubdir, curName);
        printf(NEWLINE "processing subdirectory %s/..." NEWLINE, curSubdir);
        filesProcessed += process_sub(data_file, struct_file);
        CHDIR("..");
        strcpy(curSubdir, oldSubdir);
      } while (FINDNEXT_SUCCEEDED(FINDNEXT(fret, &fInfo)));
    }
  }

  fret = FINDFIRST_FILE("*.*", &fInfo);
  if (FINDFIRST_SUCCEEDED(fret)) {
    /* at least one file in directory */
    do {
      if (FIND_T_IS_FILE(fInfo)) {
        const char *curName = FIND_T_FILENAME(fInfo);
        printf("processing %s/%s..." NEWLINE, curSubdir, curName);
        if (process_file(data_file, struct_file, curName) < 0) {
          printf(NEWLINE "Error... aborting" NEWLINE);
          return -1;
        }
        filesProcessed++;
      }
    } while (FINDNEXT_SUCCEEDED(FINDNEXT(fret, &fInfo)));
  }
  return filesProcessed;
}

int get_file_size(const char* filename)
{
  FILE *inFile;
  int file_size = -1;
  inFile = fopen(filename, "rb");
  if (inFile == NULL) {