introduce mimewriter classess for gsoap mime streaming

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

2 files changed, 32 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
@@ -191,3 +191,13 @@ binary_t integrity_digest(const void *ptr,size_t size,const std::string& ukey) {
     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;
+}
diff --git a/src/eyetil.h b/src/eyetil.h
index 8784cb4..64948d0 100644
--- a/src/eyetil.h
+++ b/src/eyetil.h
@@ -3,9 +3,11 @@
 
 #include <vector>
 #include <string>
+#include <fstream>
 #include <archive.h>
 #include <archive_entry.h>
 #include "openssl/md5.h"
+#include "soapH.h"
 
 struct throwable_exit {
     int rc;
@@ -110,6 +112,26 @@ class tarchive_t {
         bool read_data_into_fd(int fd);
 };
 
+struct mimewrite_base {
+    virtual ~mimewrite_base() { }
+
+    virtual int write(const char *buf,size_t len) = 0;
+    virtual void close() = 0;
+};
+struct mimewrite_string : public mimewrite_base {
+    std::string str;
+    int write(const char *buf,size_t len) { str.append(buf,len); return SOAP_OK; };
+    void close() { }
+};
+struct mimewrite_tarfile : public mimewrite_base {
+    std::string fn;
+    std::fstream f;
+    integrity_digester idigest;
+    mimewrite_tarfile(tmpdir_t& d);
+    ~mimewrite_tarfile();
+    int write(const char *buf,size_t len);
+    void close() { }
+};
 binary_t integrity_digest(const void *ptr,size_t size,
         const std::string& ukey);