Mauricio Donatti / HTTP_SERVER

Simple HTTP Server with one page index.html stored inside MBED as char vector and javascript to update a table content

Fork of HTTP_SERVER by Akifumi Takahashi

handlers/Filehandler.cpp@0:cc483bea4fe3, 2016-02-16 (annotated)

Committer:
aktk
Date:
Tue Feb 16 10:59:31 2016 +0000
Revision:
0:cc483bea4fe3
Child:
7:184c6f1ace94
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Who changed what in which revision?

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aktk 0:cc483bea4fe3 1 #include "FileHandler.h"
aktk 0:cc483bea4fe3 2 #ifndef DEBUG
aktk 0:cc483bea4fe3 3 #define DEBUG
aktk 0:cc483bea4fe3 4 #endif
aktk 0:cc483bea4fe3 5 LocalFileSystem local("local");
aktk 0:cc483bea4fe3 6
aktk 0:cc483bea4fe3 7 FileHandler::FileHandler()
aktk 0:cc483bea4fe3 8 {
aktk 0:cc483bea4fe3 9 fullpath = NULL;
aktk 0:cc483bea4fe3 10 filename = NULL;
aktk 0:cc483bea4fe3 11 suffix = NULL;
aktk 0:cc483bea4fe3 12 fp = NULL;
aktk 0:cc483bea4fe3 13 file_size = 0;
aktk 0:cc483bea4fe3 14 }
aktk 0:cc483bea4fe3 15 FileHandler::~FileHandler()
aktk 0:cc483bea4fe3 16 {
aktk 0:cc483bea4fe3 17 if (fullpath != NULL) free(fullpath);
aktk 0:cc483bea4fe3 18 if (fp != NULL) fclose(fp);
aktk 0:cc483bea4fe3 19 }
aktk 0:cc483bea4fe3 20
aktk 0:cc483bea4fe3 21 FILE* FileHandler::open
aktk 0:cc483bea4fe3 22 ( const char* arg_filepath,
aktk 0:cc483bea4fe3 23 const char* arg_mode
aktk 0:cc483bea4fe3 24 )
aktk 0:cc483bea4fe3 25 {
aktk 0:cc483bea4fe3 26 FILE *tmp;
aktk 0:cc483bea4fe3 27
aktk 0:cc483bea4fe3 28 printf("\r\nfp: %d@FileHandler::open\r\n", fp);
aktk 0:cc483bea4fe3 29 if (fullpath != NULL) free(fullpath);
aktk 0:cc483bea4fe3 30 fullpath = (char*)malloc(sizeof(char) * (strlen("/local/") + strlen(arg_filepath) + strlen("index.htm") + 1));
aktk 0:cc483bea4fe3 31 printf("\r\nfp: %d@FileHandler::open\r\n", fp);
aktk 0:cc483bea4fe3 32
aktk 0:cc483bea4fe3 33 // Path formatting
aktk 0:cc483bea4fe3 34 if (arg_filepath[0] == '/') {
aktk 0:cc483bea4fe3 35 sprintf(fullpath, "/local/%s", arg_filepath + 1);
aktk 0:cc483bea4fe3 36 } else {
aktk 0:cc483bea4fe3 37 sprintf(fullpath, "/local/%s", arg_filepath);
aktk 0:cc483bea4fe3 38 }
aktk 0:cc483bea4fe3 39 // if the argument has no file name but directory, defalt settiing.
aktk 0:cc483bea4fe3 40 if (fullpath[strlen(fullpath) - 1] == '/')
aktk 0:cc483bea4fe3 41 strcat(fullpath, "index.htm");
aktk 0:cc483bea4fe3 42 // store the file name part to a pointer
aktk 0:cc483bea4fe3 43 filename = strrchr(fullpath, '/');
aktk 0:cc483bea4fe3 44 if(filename != NULL) filename++; // remove '/' and just get only the file name.
aktk 0:cc483bea4fe3 45 // store the suffix part to a pointer
aktk 0:cc483bea4fe3 46 suffix = strchr(filename, '.');
aktk 0:cc483bea4fe3 47 if(suffix != NULL) suffix++; // remove '.' and just get only the suffix.
aktk 0:cc483bea4fe3 48 #ifdef DEBUG
aktk 0:cc483bea4fe3 49 printf("full path: %s\r\nfilename: %s\r\nsuffix: %s\r\n", getFullpath(), getFilename(), getSuffix());
aktk 0:cc483bea4fe3 50 #endif
aktk 0:cc483bea4fe3 51 fp = fopen(fullpath, arg_mode);
aktk 0:cc483bea4fe3 52 #ifdef DEBUG
aktk 0:cc483bea4fe3 53 printf("file opened@FileHandler::open\r\n");
aktk 0:cc483bea4fe3 54 #endif
aktk 0:cc483bea4fe3 55 // mesure file size
aktk 0:cc483bea4fe3 56 file_size = 0;
aktk 0:cc483bea4fe3 57 tmp = fp;
aktk 0:cc483bea4fe3 58 if(tmp != NULL ) {
aktk 0:cc483bea4fe3 59 printf("\r\nfile content\r\n");
aktk 0:cc483bea4fe3 60 int ctmp;
aktk 0:cc483bea4fe3 61 while(1) {
aktk 0:cc483bea4fe3 62 ctmp = fgetc(tmp);
aktk 0:cc483bea4fe3 63 if(ctmp != EOF) {
aktk 0:cc483bea4fe3 64 printf("%c", ctmp);
aktk 0:cc483bea4fe3 65 file_size++;
aktk 0:cc483bea4fe3 66 } else {
aktk 0:cc483bea4fe3 67 printf("[EOF]\r\n");
aktk 0:cc483bea4fe3 68 break;
aktk 0:cc483bea4fe3 69 }
aktk 0:cc483bea4fe3 70 }
aktk 0:cc483bea4fe3 71 printf("file size: %d\r\n", file_size);
aktk 0:cc483bea4fe3 72 if(fseek(tmp, 0L, SEEK_SET) != 0) {
aktk 0:cc483bea4fe3 73 printf("fseek failed\r\n");
aktk 0:cc483bea4fe3 74 }
aktk 0:cc483bea4fe3 75 } else {
aktk 0:cc483bea4fe3 76 file_size = 0;
aktk 0:cc483bea4fe3 77 }
aktk 0:cc483bea4fe3 78
aktk 0:cc483bea4fe3 79 return fp;
aktk 0:cc483bea4fe3 80 }
aktk 0:cc483bea4fe3 81 int FileHandler::close()
aktk 0:cc483bea4fe3 82 {
aktk 0:cc483bea4fe3 83 int tmp;
aktk 0:cc483bea4fe3 84
aktk 0:cc483bea4fe3 85 if(fp != NULL){
aktk 0:cc483bea4fe3 86 tmp = fclose(fp);
aktk 0:cc483bea4fe3 87 fp = NULL;
aktk 0:cc483bea4fe3 88 return tmp;
aktk 0:cc483bea4fe3 89 } else{
aktk 0:cc483bea4fe3 90 return 1;
aktk 0:cc483bea4fe3 91 }
aktk 0:cc483bea4fe3 92 }
aktk 0:cc483bea4fe3 93
aktk 0:cc483bea4fe3 94 int FileHandler::getc()
aktk 0:cc483bea4fe3 95 {
aktk 0:cc483bea4fe3 96 int tmp = fgetc(fp);
aktk 0:cc483bea4fe3 97
aktk 0:cc483bea4fe3 98 if(0x20 < tmp && tmp < 0x7e)
aktk 0:cc483bea4fe3 99 printf("%c", tmp);
aktk 0:cc483bea4fe3 100 else if (tmp == '\r')
aktk 0:cc483bea4fe3 101 printf("\r");
aktk 0:cc483bea4fe3 102 else if (tmp == '\n')
aktk 0:cc483bea4fe3 103 printf("\n");
aktk 0:cc483bea4fe3 104 else
aktk 0:cc483bea4fe3 105 printf("@");
aktk 0:cc483bea4fe3 106
aktk 0:cc483bea4fe3 107 return tmp;//fgetc(fp);
aktk 0:cc483bea4fe3 108 }
aktk 0:cc483bea4fe3 109 bool FileHandler::arrival()
aktk 0:cc483bea4fe3 110 {
aktk 0:cc483bea4fe3 111 return (bool)fp;
aktk 0:cc483bea4fe3 112 }
aktk 0:cc483bea4fe3 113 bool FileHandler::atEOF()
aktk 0:cc483bea4fe3 114 {
aktk 0:cc483bea4fe3 115 return (bool)feof(fp);
aktk 0:cc483bea4fe3 116 }
aktk 0:cc483bea4fe3 117 bool FileHandler::hasError()
aktk 0:cc483bea4fe3 118 {
aktk 0:cc483bea4fe3 119 return (bool)ferror(fp);
aktk 0:cc483bea4fe3 120 }
aktk 0:cc483bea4fe3 121 char *FileHandler::getFullpath()
aktk 0:cc483bea4fe3 122 {
aktk 0:cc483bea4fe3 123 return fullpath;
aktk 0:cc483bea4fe3 124 }
aktk 0:cc483bea4fe3 125 char *FileHandler::getFilename()
aktk 0:cc483bea4fe3 126 {
aktk 0:cc483bea4fe3 127 return filename;
aktk 0:cc483bea4fe3 128 }
aktk 0:cc483bea4fe3 129 char *FileHandler::getSuffix()
aktk 0:cc483bea4fe3 130 {
aktk 0:cc483bea4fe3 131 return suffix;
aktk 0:cc483bea4fe3 132 }
aktk 0:cc483bea4fe3 133 int FileHandler::getFileSize()
aktk 0:cc483bea4fe3 134 {
aktk 0:cc483bea4fe3 135 return file_size;
aktk 0:cc483bea4fe3 136 }