Commit 7e00d232 authored by Matthieu Dorier's avatar Matthieu Dorier

added non-blocking functions

parent 3375e116
......@@ -28,8 +28,10 @@ extern "C" {
struct margo_instance;
typedef struct margo_instance* margo_instance_id;
typedef struct margo_data* margo_data_ptr;
typedef ABT_eventual margo_request;
#define MARGO_INSTANCE_NULL ((margo_instance_id)NULL)
#define MARGO_REQUEST_NULL ABT_EVENTUAL_NULL
#define MARGO_CLIENT_MODE 0
#define MARGO_SERVER_MODE 1
#define MARGO_DEFAULT_MPLEX_ID 0
......@@ -379,6 +381,27 @@ hg_return_t margo_forward(
hg_handle_t handle,
void *in_struct);
/**
* Forward (without blocking) an RPC request to a remote host
* @param [in] handle identifier for the RPC to be sent
* @param [in] in_struct input argument struct for RPC
* @param [out] req request to wait on using margo_wait
* @returns 0 on success, hg_return_t values on error
*/
hg_return_t margo_iforward(
hg_handle_t handle,
void* in_struct,
margo_request* req);
/**
* Wait for an operation initiated by a non-blocking
* margo function (margo_iforward, margo_irespond, etc.)
* @param [in] req request to wait on
* @returns 0 on success, hg_return_t values on error
*/
hg_return_t margo_wait(
margo_request req);
/**
* Forward an RPC request to a remote host with a user-defined timeout
* @param [in] handle identifier for the RPC to be sent
......@@ -407,6 +430,19 @@ hg_return_t margo_respond(
hg_handle_t handle,
void *out_struct);
/**
* Send an RPC response without blocking.
* @param [in] handle identifier for the RPC for which a response is being
* sent
* @param [in] out_struct output argument struct for response
* @param [out] req request on which to wait using margo_wait
* @return HG_SUCCESS on success, hg_return_t values on error. See HG_Respond.
*/
hg_return_t margo_irespond(
hg_handle_t handle,
void *out_struct,
margo_request* req);
/**
* Create an abstract bulk handle from specified memory segments.
* Memory allocated is then freed when margo_bulk_free() is called.
......@@ -554,6 +590,30 @@ hg_return_t margo_bulk_transfer(
size_t local_offset,
size_t size);
/**
* Asynchronously performs a bulk transfer
* @param [in] mid Margo instance
* @param [in] op type of operation to perform
* @param [in] origin_addr remote Mercury address
* @param [in] origin_handle remote Mercury bulk memory handle
* @param [in] origin_offset offset into remote bulk memory to access
* @param [in] local_handle local bulk memory handle
* @param [in] local_offset offset into local bulk memory to access
* @param [in] size size (in bytes) of transfer
* @param [out] req request to wait on using margo_wait
* @returns 0 on success, hg_return_t values on error
*/
hg_return_t margo_bulk_itransfer(
margo_instance_id mid,
hg_bulk_op_t op,
hg_addr_t origin_addr,
hg_bulk_t origin_handle,
size_t origin_offset,
hg_bulk_t local_handle,
size_t local_offset,
size_t size,
margo_request* req);
/**
* Suspends the calling ULT for a specified time duration
* @param [in] mid Margo instance
......
......@@ -622,11 +622,23 @@ static hg_return_t margo_cb(const struct hg_cb_info *info)
hg_return_t margo_forward(
hg_handle_t handle,
void *in_struct)
{
hg_return_t hret;
margo_request req;
hret = margo_iforward(handle, in_struct, &req);
if(hret != HG_SUCCESS)
return hret;
return margo_wait(req);
}
hg_return_t margo_iforward(
hg_handle_t handle,
void *in_struct,
margo_request* req)
{
hg_return_t hret = HG_TIMEOUT;
ABT_eventual eventual;
int ret;
hg_return_t* waited_hret;
struct margo_cb_arg arg;
ret = ABT_eventual_create(sizeof(hret), &eventual);
......@@ -636,15 +648,19 @@ hg_return_t margo_forward(
}
arg.eventual = &eventual;
*req = eventual;
hret = HG_Forward(handle, margo_cb, &arg, in_struct);
if(hret == HG_SUCCESS)
{
ABT_eventual_wait(eventual, (void**)&waited_hret);
hret = *waited_hret;
}
return HG_Forward(handle, margo_cb, &arg, in_struct);
}
ABT_eventual_free(&eventual);
hg_return_t margo_wait(margo_request req)
{
hg_return_t* waited_hret;
hg_return_t hret;
ABT_eventual_wait(req, (void**)&waited_hret);
hret = *waited_hret;
ABT_eventual_free(&req);
return(hret);
}
......@@ -717,11 +733,23 @@ hg_return_t margo_forward_timed(
hg_return_t margo_respond(
hg_handle_t handle,
void *out_struct)
{
hg_return_t hret;
margo_request req;
hret = margo_irespond(handle,out_struct,&req);
if(hret != HG_SUCCESS)
return hret;
return margo_wait(req);
}
hg_return_t margo_irespond(
hg_handle_t handle,
void *out_struct,
margo_request* req)
{
hg_return_t hret = HG_TIMEOUT;
ABT_eventual eventual;
int ret;
hg_return_t* waited_hret;
struct margo_cb_arg arg;
ret = ABT_eventual_create(sizeof(hret), &eventual);
......@@ -731,17 +759,9 @@ hg_return_t margo_respond(
}
arg.eventual = &eventual;
*req = eventual;
hret = HG_Respond(handle, margo_cb, &arg, out_struct);
if(hret == HG_SUCCESS)
{
ABT_eventual_wait(eventual, (void**)&waited_hret);
hret = *waited_hret;
}
ABT_eventual_free(&eventual);
return(hret);
return HG_Respond(handle, margo_cb, &arg, out_struct);
}
hg_return_t margo_bulk_create(
......@@ -793,6 +813,26 @@ hg_return_t margo_bulk_transfer(
hg_bulk_t local_handle,
size_t local_offset,
size_t size)
{
margo_request req;
hg_return_t hret = margo_bulk_itransfer(mid,op,origin_addr,
origin_handle, origin_offset, local_handle,
local_offset, size, req);
if(hret != HG_SUCCESS)
return hret;
return margo_wait(req);
}
hg_return_t margo_bulk_itransfer(
margo_instance_id mid,
hg_bulk_op_t op,
hg_addr_t origin_addr,
hg_bulk_t origin_handle,
size_t origin_offset,
hg_bulk_t local_handle,
size_t local_offset,
size_t size,
margo_request* req)
{
hg_return_t hret = HG_TIMEOUT;
hg_return_t *waited_hret;
......@@ -807,17 +847,11 @@ hg_return_t margo_bulk_transfer(
}
arg.eventual = &eventual;
*req = eventual;
hret = HG_Bulk_transfer(mid->hg_context, margo_bulk_transfer_cb,
&arg, op, origin_addr, origin_handle, origin_offset, local_handle,
local_offset, size, HG_OP_ID_IGNORE);
if(hret == HG_SUCCESS)
{
ABT_eventual_wait(eventual, (void**)&waited_hret);
hret = *waited_hret;
}
ABT_eventual_free(&eventual);
return(hret);
}
......
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