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@11:0ee7d100db24, 2016-12-08 (annotated)

Committer:
aktk
Date:
Thu Dec 08 10:10:43 2016 +0000
Revision:
11:0ee7d100db24
Parent:
10:4a48594c2f44 
some printf -> DEBUG_PRINT_LINE;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aktk 0:cc483bea4fe3 1 #include "FileHandler.h"
aktk 0:cc483bea4fe3 2 #ifndef DEBUG
aktk 10:4a48594c2f44 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 11:0ee7d100db24 28 //////printf("\r\n"
aktk 11:0ee7d100db24 29 // "fp: %d@FileHandler::open\r\n", fp);
aktk 0:cc483bea4fe3 30 if (fullpath != NULL) free(fullpath);
aktk 0:cc483bea4fe3 31 fullpath = (char*)malloc(sizeof(char) * (strlen("/local/") + strlen(arg_filepath) + strlen("index.htm") + 1));
aktk 11:0ee7d100db24 32 //////printf("fp: %d@FileHandler::open\r\n", fp);
aktk 0:cc483bea4fe3 33
aktk 0:cc483bea4fe3 34 // Path formatting
aktk 0:cc483bea4fe3 35 if (arg_filepath[0] == '/') {
aktk 0:cc483bea4fe3 36 sprintf(fullpath, "/local/%s", arg_filepath + 1);
aktk 0:cc483bea4fe3 37 } else {
aktk 0:cc483bea4fe3 38 sprintf(fullpath, "/local/%s", arg_filepath);
aktk 0:cc483bea4fe3 39 }
aktk 0:cc483bea4fe3 40 // if the argument has no file name but directory, defalt settiing.
aktk 0:cc483bea4fe3 41 if (fullpath[strlen(fullpath) - 1] == '/')
aktk 0:cc483bea4fe3 42 strcat(fullpath, "index.htm");
aktk 0:cc483bea4fe3 43 // store the file name part to a pointer
aktk 0:cc483bea4fe3 44 filename = strrchr(fullpath, '/');
aktk 0:cc483bea4fe3 45 if(filename != NULL) filename++; // remove '/' and just get only the file name.
aktk 0:cc483bea4fe3 46 // store the suffix part to a pointer
aktk 0:cc483bea4fe3 47 suffix = strchr(filename, '.');
aktk 0:cc483bea4fe3 48 if(suffix != NULL) suffix++; // remove '.' and just get only the suffix.
aktk 0:cc483bea4fe3 49 #ifdef DEBUG
aktk 11:0ee7d100db24 50 //////printf("full path: %s\r\nfilename: %s\r\nsuffix: %s\r\n", getFullpath(), getFilename(), getSuffix());
aktk 0:cc483bea4fe3 51 #endif
aktk 0:cc483bea4fe3 52 fp = fopen(fullpath, arg_mode);
aktk 0:cc483bea4fe3 53 #ifdef DEBUG
aktk 11:0ee7d100db24 54 //////////printf("file opened@FileHandler::open\r\n");
aktk 0:cc483bea4fe3 55 #endif
aktk 0:cc483bea4fe3 56 // mesure file size
aktk 0:cc483bea4fe3 57 file_size = 0;
aktk 0:cc483bea4fe3 58 tmp = fp;
aktk 0:cc483bea4fe3 59 if(tmp != NULL ) {
aktk 11:0ee7d100db24 60 ////printf("\r\nfile content\r\n");
aktk 0:cc483bea4fe3 61 int ctmp;
aktk 0:cc483bea4fe3 62 while(1) {
aktk 0:cc483bea4fe3 63 ctmp = fgetc(tmp);
aktk 0:cc483bea4fe3 64 if(ctmp != EOF) {
aktk 11:0ee7d100db24 65 //////printf("%c", ctmp);
aktk 0:cc483bea4fe3 66 file_size++;
aktk 0:cc483bea4fe3 67 } else {
aktk 11:0ee7d100db24 68 //////printf("[EOF]\r\n");
aktk 0:cc483bea4fe3 69 break;
aktk 0:cc483bea4fe3 70 }
aktk 0:cc483bea4fe3 71 }
aktk 11:0ee7d100db24 72 ////printf("file size: %d\r\n", file_size);
aktk 0:cc483bea4fe3 73 if(fseek(tmp, 0L, SEEK_SET) != 0) {
aktk 11:0ee7d100db24 74 //////printf("fseek failed\r\n");
aktk 0:cc483bea4fe3 75 }
aktk 0:cc483bea4fe3 76 } else {
aktk 0:cc483bea4fe3 77 file_size = 0;
aktk 0:cc483bea4fe3 78 }
aktk 0:cc483bea4fe3 79
aktk 0:cc483bea4fe3 80 return fp;
aktk 0:cc483bea4fe3 81 }
aktk 0:cc483bea4fe3 82 int FileHandler::close()
aktk 0:cc483bea4fe3 83 {
aktk 0:cc483bea4fe3 84 int tmp;
aktk 7:184c6f1ace94 85
aktk 7:184c6f1ace94 86 if(fp != NULL) {
aktk 0:cc483bea4fe3 87 tmp = fclose(fp);
aktk 0:cc483bea4fe3 88 fp = NULL;
aktk 0:cc483bea4fe3 89 return tmp;
aktk 7:184c6f1ace94 90 } else {
aktk 0:cc483bea4fe3 91 return 1;
aktk 0:cc483bea4fe3 92 }
aktk 0:cc483bea4fe3 93 }
aktk 0:cc483bea4fe3 94
aktk 0:cc483bea4fe3 95 int FileHandler::getc()
aktk 0:cc483bea4fe3 96 {
aktk 0:cc483bea4fe3 97 int tmp = fgetc(fp);
aktk 11:0ee7d100db24 98 #ifdef DEBUG
aktk 0:cc483bea4fe3 99 if(0x20 < tmp && tmp < 0x7e)
aktk 0:cc483bea4fe3 100 printf("%c", tmp);
aktk 0:cc483bea4fe3 101 else if (tmp == '\r')
aktk 0:cc483bea4fe3 102 printf("\r");
aktk 0:cc483bea4fe3 103 else if (tmp == '\n')
aktk 0:cc483bea4fe3 104 printf("\n");
aktk 0:cc483bea4fe3 105 else
aktk 0:cc483bea4fe3 106 printf("@");
aktk 11:0ee7d100db24 107 #endif
aktk 11:0ee7d100db24 108 return tmp;
aktk 0:cc483bea4fe3 109 }
aktk 0:cc483bea4fe3 110 bool FileHandler::arrival()
aktk 0:cc483bea4fe3 111 {
aktk 0:cc483bea4fe3 112 return (bool)fp;
aktk 0:cc483bea4fe3 113 }
aktk 0:cc483bea4fe3 114 bool FileHandler::atEOF()
aktk 0:cc483bea4fe3 115 {
aktk 0:cc483bea4fe3 116 return (bool)feof(fp);
aktk 0:cc483bea4fe3 117 }
aktk 0:cc483bea4fe3 118 bool FileHandler::hasError()
aktk 0:cc483bea4fe3 119 {
aktk 0:cc483bea4fe3 120 return (bool)ferror(fp);
aktk 0:cc483bea4fe3 121 }
aktk 0:cc483bea4fe3 122 char *FileHandler::getFullpath()
aktk 0:cc483bea4fe3 123 {
aktk 0:cc483bea4fe3 124 return fullpath;
aktk 0:cc483bea4fe3 125 }
aktk 0:cc483bea4fe3 126 char *FileHandler::getFilename()
aktk 0:cc483bea4fe3 127 {
aktk 0:cc483bea4fe3 128 return filename;
aktk 0:cc483bea4fe3 129 }
aktk 0:cc483bea4fe3 130 char *FileHandler::getSuffix()
aktk 0:cc483bea4fe3 131 {
aktk 0:cc483bea4fe3 132 return suffix;
aktk 0:cc483bea4fe3 133 }
aktk 0:cc483bea4fe3 134 int FileHandler::getFileSize()
aktk 0:cc483bea4fe3 135 {
aktk 0:cc483bea4fe3 136 return file_size;
aktk 0:cc483bea4fe3 137 }