#include // // Created by Frapo on 2018/2/9. // #include "hdfscore.cpp" using namespace ::hdfs; using ::asio::ip::tcp; int main(int argc, char **argv) { static_cast(argc); static_cast(argv); std::cout << "Hello, World!" << std::endl; //int PORT = 9000; std::string host = "117.107.241.78"; std::string fn = "/a.txt"; // getting size of file. int file_size = 1000; void *buf = malloc(file_size); InputStream * isptr; try { isptr = open_hdfs_file("/a.txt", "127.0.0.1", 9000); }catch(std::bad_exception ef){ printf("\n\ncannot open hdfs file, exception what() : %s ",ef.what()); isptr = 0; } if(isptr == NULL){ return -101; } read_a_file(isptr, buf, 100, 50); } /** * * hdfsFS fs = hdfsConnect("default", 0); const char* writePath = "/tmp/testfile.txt"; hdfsFile writeFile = hdfsOpenFile(fs, writePath, O_WRONLY|O_CREAT, 0, 0, 0); if(!writeFile) { fprintf(stderr, "Failed to open %s for writing!\n", writePath); exit(-1); } char* buffer = "Hello, World!"; tSize num_written_bytes = hdfsWrite(fs, writeFile, (void*)buffer, strlen(buffer)+1); if (hdfsFlush(fs, writeFile)) { fprintf(stderr, "Failed to 'flush' %s\n", writePath); exit(-1); } hdfsCloseFile(fs, writeFile);* / * */