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Implement ZMTP/3.0 NULL mechanism

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This commit is contained in:
Martin Hurton
2013-04-28 10:15:25 +02:00
parent df01235871
commit cd4d8bb15a
2 changed files with 224 additions and 12 deletions
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33
src/stream_engine.hpp
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@@ -37,8 +37,7 @@ namespace zmq
enum
{
ZMTP_1_0 = 0,
ZMTP_2_0 = 1,
ZMTP_2_1 = 2
ZMTP_2_0 = 1
};
class io_thread_t;
@@ -94,11 +93,21 @@ namespace zmq
int read_identity (msg_t *msg_);
int write_identity (msg_t *msg_);
int send_ready_command (msg_t *msg);
int receive_ready_command (msg_t *msg);
int pull_msg_from_session (msg_t *msg_);
int push_msg_to_session (msg_t *msg);
int wait (msg_t *msg_);
int write_subscription_msg (msg_t *msg_);
size_t add_property (unsigned char *ptr,
const char *name, const void *value, size_t value_len);
const char *socket_type_string (int socket_type);
// Underlying socket.
fd_t s;
@@ -119,13 +128,20 @@ namespace zmq
// version. When false, normal message flow has started.
bool handshaking;
// Size of the greeting message:
// Preamble (10 bytes) + version (1 byte) + socket type (1 byte).
static const size_t greeting_size = 12;
static const size_t signature_size = 10;
// Size of ZMTP/1.0 and ZMTP/2.0 greeting message
static const size_t v2_greeting_size = 12;
// Size of ZMTP/3.0 greeting message
static const size_t v3_greeting_size = 64;
// Expected greeting size.
size_t greeting_size;
// Greeting received from, and sent to peer
unsigned char greeting_recv [greeting_size];
unsigned char greeting_send [greeting_size];
unsigned char greeting_recv [v3_greeting_size];
unsigned char greeting_send [v3_greeting_size];
// Size of greeting received so far
unsigned int greeting_bytes_read;
@@ -156,6 +172,9 @@ namespace zmq
// Needed to support old peers.
bool subscription_required;
bool output_paused;
bool ready_command_received;
// Socket
zmq::socket_base_t *socket;