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Custom callbacks for performing low level socket I/O

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This commit is contained in:
Henrik Nordstrom
2011-08-11 22:26:56 +02:00
committed by Daniel Stenberg
parent 462996b064
commit 7aa4bfc671
7 changed files with 48 additions and 13 deletions
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15
src/session.c
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@@ -115,7 +115,7 @@ banner_receive(LIBSSH2_SESSION * session)
/* no incoming block yet! */
session->socket_block_directions &= ~LIBSSH2_SESSION_BLOCK_INBOUND;
ret = _libssh2_recv(session->socket_fd, &c, 1,
ret = LIBSSH2_RECV(session, &c, 1,
LIBSSH2_SOCKET_RECV_FLAGS(session));
if (ret < 0) {
if(session->api_block_mode || (ret != -EAGAIN))
@@ -227,7 +227,7 @@ banner_send(LIBSSH2_SESSION * session)
/* no outgoing block yet! */
session->socket_block_directions &= ~LIBSSH2_SESSION_BLOCK_OUTBOUND;
ret = _libssh2_send(session->socket_fd,
ret = LIBSSH2_SEND(session,
banner + session->banner_TxRx_total_send,
banner_len - session->banner_TxRx_total_send,
LIBSSH2_SOCKET_SEND_FLAGS(session));
@@ -481,6 +481,8 @@ libssh2_session_init_ex(LIBSSH2_ALLOC_FUNC((*my_alloc)),
session->alloc = local_alloc;
session->free = local_free;
session->realloc = local_realloc;
session->send = _libssh2_send;
session->recv = _libssh2_recv;
session->abstract = abstract;
session->api_timeout = 0; /* timeout-free API by default */
session->api_block_mode = 1; /* blocking API by default */
@@ -532,6 +534,15 @@ libssh2_session_callback_set(LIBSSH2_SESSION * session,
session->x11 = callback;
return oldcb;
case LIBSSH2_CALLBACK_SEND:
oldcb = session->send;
session->send = callback;
return oldcb;
case LIBSSH2_CALLBACK_RECV:
oldcb = session->recv;
session->recv = callback;
return oldcb;
}
_libssh2_debug(session, LIBSSH2_TRACE_TRANS, "Setting Callback %d", cbtype);