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| 1 | +/**** |
| 2 | + * Sming Framework Project - Open Source framework for high efficiency native ESP8266 development. |
| 3 | + * Created 2015 by Skurydin Alexey |
| 4 | + * http://github.com/anakod/Sming |
| 5 | + * All files of the Sming Core are provided under the LGPL v3 license. |
| 6 | + ****/ |
| 7 | + |
| 8 | +#include "FileSystem.h" |
| 9 | +#include "WString.h" |
| 10 | + |
| 11 | +file_t fileOpen(const String name, FileOpenFlags flags) |
| 12 | +{ |
| 13 | + int repeats = 0; |
| 14 | + bool notExist; |
| 15 | + bool canRecreate = (flags & eFO_CreateIfNotExist) == eFO_CreateIfNotExist; |
| 16 | + int res; |
| 17 | + |
| 18 | + do |
| 19 | + { |
| 20 | + notExist = false; |
| 21 | + res = SPIFFS_open(&_filesystemStorageHandle, name.c_str(), (spiffs_flags)flags, 0); |
| 22 | + int code = SPIFFS_errno(&_filesystemStorageHandle); |
| 23 | + if (res < 0) |
| 24 | + { |
| 25 | + debugf("open errno %d\n", code); |
| 26 | + notExist = (code == SPIFFS_ERR_NOT_FOUND || code == SPIFFS_ERR_DELETED || code == SPIFFS_ERR_FILE_DELETED || code == SPIFFS_ERR_IS_FREE); |
| 27 | + //debugf("recreate? %d %d %d", notExist, canRecreate, (repeats < 3)); |
| 28 | + if (notExist && canRecreate) |
| 29 | + fileDelete(name); // fix for deleted files |
| 30 | + } |
| 31 | + } while (notExist && canRecreate && repeats++ < 3); |
| 32 | + |
| 33 | + return res; |
| 34 | +} |
| 35 | + |
| 36 | +void fileClose(file_t file) |
| 37 | +{ |
| 38 | + SPIFFS_close(&_filesystemStorageHandle, file); |
| 39 | +} |
| 40 | + |
| 41 | +size_t fileWrite(file_t file, const void* data, size_t size) |
| 42 | +{ |
| 43 | + int res = SPIFFS_write(&_filesystemStorageHandle, file, (void *)data, size); |
| 44 | + if (res < 0) |
| 45 | + { |
| 46 | + debugf("write errno %d\n", SPIFFS_errno(&_filesystemStorageHandle)); |
| 47 | + return res; |
| 48 | + } |
| 49 | + return res; |
| 50 | +} |
| 51 | + |
| 52 | +size_t fileRead(file_t file, void* data, size_t size) |
| 53 | +{ |
| 54 | + int res = SPIFFS_read(&_filesystemStorageHandle, file, data, size); |
| 55 | + if (res < 0) |
| 56 | + { |
| 57 | + debugf("read errno %d\n", SPIFFS_errno(&_filesystemStorageHandle)); |
| 58 | + return res; |
| 59 | + } |
| 60 | + return res; |
| 61 | +} |
| 62 | + |
| 63 | +int fileSeek(file_t file, int offset, SeekOriginFlags origin) |
| 64 | +{ |
| 65 | + return SPIFFS_lseek(&_filesystemStorageHandle, file, offset, origin); |
| 66 | +} |
| 67 | + |
| 68 | +bool fileIsEOF(file_t file) |
| 69 | +{ |
| 70 | + return SPIFFS_eof(&_filesystemStorageHandle, file); |
| 71 | +} |
| 72 | + |
| 73 | +int32_t fileTell(file_t file) |
| 74 | +{ |
| 75 | + return SPIFFS_tell(&_filesystemStorageHandle, file); |
| 76 | +} |
| 77 | + |
| 78 | +int fileFlush(file_t file) |
| 79 | +{ |
| 80 | + return SPIFFS_fflush(&_filesystemStorageHandle, file); |
| 81 | +} |
| 82 | + |
| 83 | +int fileStats(const String name, spiffs_stat *stat) |
| 84 | +{ |
| 85 | + return SPIFFS_stat(&_filesystemStorageHandle, name.c_str(), stat); |
| 86 | +} |
| 87 | + |
| 88 | +int fileStats(file_t file, spiffs_stat *stat) |
| 89 | +{ |
| 90 | + return SPIFFS_fstat(&_filesystemStorageHandle, file, stat); |
| 91 | +} |
| 92 | + |
| 93 | +void fileDelete(const String name) |
| 94 | +{ |
| 95 | + SPIFFS_remove(&_filesystemStorageHandle, name.c_str()); |
| 96 | +} |
| 97 | + |
| 98 | +void fileDelete(file_t file) |
| 99 | +{ |
| 100 | + SPIFFS_fremove(&_filesystemStorageHandle, file); |
| 101 | +} |
| 102 | + |
| 103 | +bool fileExist(const String name) |
| 104 | +{ |
| 105 | + spiffs_stat stat = {0}; |
| 106 | + if (fileStats(name.c_str(), &stat) < 0) return false; |
| 107 | + return stat.name[0] != '\0'; |
| 108 | +} |
| 109 | + |
| 110 | + |
| 111 | +int fileLastError(file_t fd) |
| 112 | +{ |
| 113 | + return SPIFFS_errno(&_filesystemStorageHandle); |
| 114 | +} |
| 115 | + |
| 116 | +void fileClearLastError(file_t fd) |
| 117 | +{ |
| 118 | + _filesystemStorageHandle.errno = SPIFFS_OK; |
| 119 | +} |
| 120 | + |
| 121 | +void fileSetContent(const String fileName, const char *content) |
| 122 | +{ |
| 123 | + file_t file = fileOpen(fileName.c_str(), eFO_CreateNewAlways | eFO_WriteOnly); |
| 124 | + fileWrite(file, content, os_strlen(content)); |
| 125 | + fileClose(file); |
| 126 | +} |
| 127 | + |
| 128 | +uint32_t fileGetSize(const String fileName) |
| 129 | +{ |
| 130 | + file_t file = fileOpen(fileName.c_str(), eFO_ReadOnly); |
| 131 | + // Get size |
| 132 | + fileSeek(file, 0, eSO_FileEnd); |
| 133 | + int size = fileTell(file); |
| 134 | + fileClose(file); |
| 135 | + return size; |
| 136 | +} |
| 137 | + |
| 138 | +String fileGetContent(const String fileName) |
| 139 | +{ |
| 140 | + file_t file = fileOpen(fileName.c_str(), eFO_ReadOnly); |
| 141 | + // Get size |
| 142 | + fileSeek(file, 0, eSO_FileEnd); |
| 143 | + int size = fileTell(file); |
| 144 | + if (size <= 0) |
| 145 | + { |
| 146 | + fileClose(file); |
| 147 | + return ""; |
| 148 | + } |
| 149 | + fileSeek(file, 0, eSO_FileStart); |
| 150 | + char* buffer = new char[size + 1]; |
| 151 | + buffer[size] = 0; |
| 152 | + fileRead(file, buffer, size); |
| 153 | + fileClose(file); |
| 154 | + String res = buffer; |
| 155 | + delete[] buffer; |
| 156 | + return res; |
| 157 | +} |
| 158 | + |
| 159 | +int fileGetContent(const String fileName, char* buffer, int bufSize) |
| 160 | +{ |
| 161 | + if (buffer == NULL || bufSize == 0) return 0; |
| 162 | + *buffer = 0; |
| 163 | + |
| 164 | + file_t file = fileOpen(fileName.c_str(), eFO_ReadOnly); |
| 165 | + // Get size |
| 166 | + fileSeek(file, 0, eSO_FileEnd); |
| 167 | + int size = fileTell(file); |
| 168 | + if (size <= 0 || bufSize <= size) |
| 169 | + { |
| 170 | + fileClose(file); |
| 171 | + return 0; |
| 172 | + } |
| 173 | + buffer[size] = 0; |
| 174 | + fileSeek(file, 0, eSO_FileStart); |
| 175 | + fileRead(file, buffer, size); |
| 176 | + fileClose(file); |
| 177 | + return size; |
| 178 | +} |
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