introduce mimewriter classess for gsoap mime streaming

Signed-off-by: Michael Krelin <hacker@klever.net>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/eyetil.cc b/src/eyetil.cc
index 6ccc4ae..fba8724 100644
--- a/src/eyetil.cc
+++ b/src/eyetil.cc
@@ -130,64 +130,74 @@ static void make_path_for_template(const std::string& p,mode_t m) {
         }
     }
 }
 
 tmpdir_t::tmpdir_t(const std::string& dt) : dir(dt) {
     make_path_for_template(dt,0777);
     if(!mkdtemp((char*)dir.data()))
         throw std::runtime_error("failed to mkdtmp()");
 }
 tmpdir_t::~tmpdir_t() {
     assert(!dir.empty());
     if(rmdir(dir.c_str())) {
         syslog(LOG_WARNING,"Failed to remove '%s' directory",dir.c_str());
     }
 }
 
 std::string tmpdir_t::get_file(const std::string& f) {
     std::string::size_type ls = f.rfind('/');
     return dir+'/'+(
             (ls==std::string::npos)
             ? f
             : f.substr(ls+1)
         );
 }
 
 tarchive_t::tarchive_t(void *p,size_t s) : a(archive_read_new()), e(0) {
     if(!a) throw std::runtime_error("failed to archive_read_new()");
     if(archive_read_support_format_tar(a)) {
         archive_read_finish(a);
         throw std::runtime_error("failed to archive_read_support_format_tar()");
     }
     if(archive_read_open_memory(a,p,s)) {
         archive_read_finish(a);
         throw std::runtime_error("failed to archive_read_open_memory()");
     }
 }
 tarchive_t::~tarchive_t() {
     assert(a);
     archive_read_finish(a);
 }
 
 bool tarchive_t::read_next_header() {
     assert(a);
     return archive_read_next_header(a,&e)==ARCHIVE_OK;
 }
 
 std::string tarchive_t::entry_pathname() {
     assert(a); assert(e);
     return archive_entry_pathname(e);
 }
 
 bool tarchive_t::read_data_into_fd(int fd) {
     assert(a);
     return archive_read_data_into_fd(a,fd)==ARCHIVE_OK;
 }
 
 
 binary_t integrity_digest(const void *ptr,size_t size,const std::string& ukey) {
     md5_digester rv;
     std::transform( (block512_t*)ptr, ((block512_t*)ptr)+size/sizeof(block512_t),
             rv.updater<uint16_t>(), block512_t::tcpcksum );
     rv.update( binary_t(ukey) );
     return rv.final();
 }
+
+mimewrite_tarfile::mimewrite_tarfile(tmpdir_t& d) {
+    f.open((fn=d.get_file("the-tarfile.tar")).c_str(),std::ios_base::in|std::ios_base::out|std::ios_base::trunc|std::ios_base::binary);
+}
+mimewrite_tarfile::~mimewrite_tarfile() {
+    unlink(fn.c_str());
+}
+int mimewrite_tarfile::write(const char *buf,size_t len) {
+    return f.write(buf,len) ? (idigest.update(buf,len),SOAP_OK) : SOAP_ERR;
+}