C++11 library providing functionality common to all adapters.
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// This file is under GNU General Public License 3.0
// see LICENSE.txt
#ifndef LIBPEPADAPTER_MESSAGE_CACHE_HH
#define LIBPEPADAPTER_MESSAGE_CACHE_HH
#include <string>
#include <unordered_map>
#include <mutex>
#include <pEp/message_api.h>
#include <pEp/mime.h>
namespace pEp {
class MessageCache {
struct cache_entry {
cache_entry(::message *s, ::message *d) : src(s), dst(d) {}
::message *src;
::message *dst;
};
using cache = std::unordered_map<std::string, cache_entry>;
cache _cache;
std::mutex _mtx;
long long id_range = 42;
long long next_id = 23;
public:
MessageCache();
enum which
{
msg_src = 0,
msg_dst = 1
};
static PEP_STATUS cache_mime_decode_message(
const char *mimetext,
size_t size,
message **msg,
bool *has_possible_pEp_msg);
static PEP_STATUS cache_mime_encode_message(
int one,
const message *msg,
bool omit_fields,
char **mimetext,
bool has_pEp_msg_attachment);
static PEP_STATUS cache_decrypt_message(
PEP_SESSION session,
message *src,
message **dst,
stringlist_t **keylist,
PEP_rating *rating,
PEP_decrypt_flags_t *flags);
static PEP_STATUS cache_encrypt_message(
PEP_SESSION session,
message *src,
stringlist_t *extra,
message **dst,
PEP_enc_format enc_format,
PEP_encrypt_flags_t flags);
static PEP_STATUS cache_encrypt_message_for_self(
PEP_SESSION session,
pEp_identity *target_id,
message *src,
stringlist_t *extra,
message **dst,
PEP_enc_format enc_format,
PEP_encrypt_flags_t flags);
static PEP_STATUS cache_release(std::string id);
static void removeCacheID(::message *msg);
protected:
void release(std::string id);
PEP_STATUS mime_decode_message(
const char *mimetext,
size_t size,
message **msg,
bool *has_possible_pEp_msg);
PEP_STATUS mime_encode_message(
which one,
const message *src,
bool omit_fields,
char **mimetext,
bool has_pEp_msg_attachment);
PEP_STATUS decrypt_message(
PEP_SESSION session,
message *src,
message **dst,
stringlist_t **keylist,
PEP_rating *rating,
PEP_decrypt_flags_t *flags);
PEP_STATUS encrypt_message(
PEP_SESSION session,
message *src,
stringlist_t *extra,
message **dst,
PEP_enc_format enc_format,
PEP_encrypt_flags_t flags);
PEP_STATUS encrypt_message_for_self(
PEP_SESSION session,
pEp_identity *target_id,
message *src,
stringlist_t *extra,
message **dst,
PEP_enc_format enc_format,
PEP_encrypt_flags_t flags);
void generateCacheID(::message *msg);
static std::string cacheID(const ::message *msg);
};
extern MessageCache message_cache;
}; // namespace pEp
#endif // LIBPEPADAPTER_MESSAGE_CACHE_HH