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Commit 69c34459 authored by Shane Snyder's avatar Shane Snyder
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get basic examples code building

parent 370769d2
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Showing with 83 additions and 156 deletions
Makefile.am
View file @ 69c34459
......@@ -38,7 +38,7 @@ pkgconfig_DATA = maint/margo.pc
include Make.rules
include $(top_srcdir)/src/Makefile.subdir
#include $(top_srcdir)/examples/Makefile.subdir
include $(top_srcdir)/examples/Makefile.subdir
#include $(top_srcdir)/examples/multiplex/Makefile.subdir
#include $(top_srcdir)/examples/composition/Makefile.subdir
include $(top_srcdir)/tests/Makefile.subdir
......
examples/margo-example-client.c
View file @ 69c34459
......@@ -7,8 +7,8 @@
#include <stdio.h>
#include <assert.h>
#include <unistd.h>
#include <mercury.h>
#include <abt.h>
#include <abt-snoozer.h>
#include <margo.h>
#include "my-rpc.h"
......@@ -24,8 +24,6 @@ struct run_my_rpc_args
{
int val;
margo_instance_id mid;
hg_context_t *hg_context;
hg_class_t *hg_class;
hg_addr_t svr_addr;
};
......@@ -40,11 +38,10 @@ int main(int argc, char **argv)
ABT_thread threads[4];
int i;
int ret;
hg_return_t hret;
ABT_xstream xstream;
ABT_pool pool;
margo_instance_id mid;
hg_context_t *hg_context;
hg_class_t *hg_class;
hg_addr_t svr_addr = HG_ADDR_NULL;
hg_handle_t handle;
char proto[12] = {0};
......@@ -55,44 +52,26 @@ int main(int argc, char **argv)
return(-1);
}
/* boilerplate HG initialization steps */
/***************************************/
/* initialize Mercury using the transport portion of the destination
* address (i.e., the part before the first : character if present)
*/
for(i=0; i<11 && argv[1][i] != '\0' && argv[1][i] != ':'; i++)
proto[i] = argv[1][i];
hg_class = HG_Init(proto, HG_FALSE);
if(!hg_class)
{
fprintf(stderr, "Error: HG_Init()\n");
return(-1);
}
hg_context = HG_Context_create(hg_class);
if(!hg_context)
{
fprintf(stderr, "Error: HG_Context_create()\n");
HG_Finalize(hg_class);
return(-1);
}
/* set up argobots */
/***************************************/
ret = ABT_init(argc, argv);
if(ret != 0)
{
fprintf(stderr, "Error: ABT_init()\n");
return(-1);
}
/* set primary ES to idle without polling */
ret = ABT_snoozer_xstream_self_set();
if(ret != 0)
/* actually start margo -- margo_init() encapsulates the Mercury &
* Argobots initialization, so this step must precede their use. */
/* Use main process to drive progress (it will relinquish control to
* Mercury during blocking communication calls). The rpc handler pool
* is null in this example program because this is a pure client that
* will not be servicing rpc requests.
*/
mid = margo_init(proto, MARGO_CLIENT_MODE, 0, 0);
if(mid == MARGO_INSTANCE_NULL)
{
fprintf(stderr, "Error: ABT_snoozer_xstream_self_set()\n");
fprintf(stderr, "Error: margo_init()\n");
return(-1);
}
margo_diag_start(mid);
/* retrieve current pool to use for ULT creation */
ret = ABT_xstream_self(&xstream);
......@@ -108,26 +87,18 @@ int main(int argc, char **argv)
return(-1);
}
/* actually start margo */
/***************************************/
mid = margo_init(0, 0, hg_context);
assert(mid);
margo_diag_start(mid);
/* register RPC */
MARGO_REGISTER(mid, "my_rpc", my_rpc_in_t, my_rpc_out_t, NULL, &my_rpc_id);
MARGO_REGISTER(mid, "my_shutdown_rpc", void, void, NULL, &my_rpc_shutdown_id);
my_rpc_id = MARGO_REGISTER(mid, "my_rpc", my_rpc_in_t, my_rpc_out_t, NULL);
my_rpc_shutdown_id = MARGO_REGISTER(mid, "my_shutdown_rpc", void, void, NULL);
/* find addr for server */
ret = margo_addr_lookup(mid, argv[1], &svr_addr);
assert(ret == 0);
hret = margo_addr_lookup(mid, argv[1], &svr_addr);
assert(hret == HG_SUCCESS);
for(i=0; i<4; i++)
{
args[i].val = i;
args[i].mid = mid;
args[i].hg_class = hg_class;
args[i].hg_context = hg_context;
args[i].svr_addr = svr_addr;
/* Each ult gets a pointer to an element of the array to use
......@@ -165,22 +136,18 @@ int main(int argc, char **argv)
/* send one rpc to server to shut it down */
/* create handle */
ret = HG_Create(hg_context, svr_addr, my_rpc_shutdown_id, &handle);
assert(ret == 0);
hret = margo_create(mid, svr_addr, my_rpc_shutdown_id, &handle);
assert(hret == HG_SUCCESS);
margo_forward(mid, handle, NULL);
hret = margo_forward(mid, handle, NULL);
assert(hret == HG_SUCCESS);
HG_Destroy(handle);
HG_Addr_free(hg_class, svr_addr);
margo_destroy(handle);
margo_addr_free(mid, svr_addr);
/* shut down everything */
margo_diag_dump(mid, "-", 0);
margo_finalize(mid);
ABT_finalize();
HG_Context_destroy(hg_context);
HG_Finalize(hg_class);
return(0);
}
......@@ -191,10 +158,9 @@ static void run_my_rpc(void *_arg)
hg_handle_t handle;
my_rpc_in_t in;
my_rpc_out_t out;
int ret;
hg_return_t hret;
hg_size_t size;
void* buffer;
const struct hg_info *hgi;
printf("ULT [%d] running.\n", arg->val);
......@@ -205,32 +171,31 @@ static void run_my_rpc(void *_arg)
sprintf((char*)buffer, "Hello world!\n");
/* create handle */
ret = HG_Create(arg->hg_context, arg->svr_addr, my_rpc_id, &handle);
assert(ret == 0);
hret = margo_create(arg->mid, arg->svr_addr, my_rpc_id, &handle);
assert(hret == HG_SUCCESS);
/* register buffer for rdma/bulk access by server */
hgi = HG_Get_info(handle);
assert(hgi);
ret = HG_Bulk_create(hgi->hg_class, 1, &buffer, &size,
hret = margo_bulk_create(arg->mid, 1, &buffer, &size,
HG_BULK_READ_ONLY, &in.bulk_handle);
assert(ret == 0);
assert(hret == HG_SUCCESS);
/* Send rpc. Note that we are also transmitting the bulk handle in the
* input struct. It was set above.
*/
in.input_val = arg->val;
margo_forward(arg->mid, handle, &in);
hret = margo_forward(arg->mid, handle, &in);
assert(hret == HG_SUCCESS);
/* decode response */
ret = HG_Get_output(handle, &out);
assert(ret == 0);
hret = margo_get_output(handle, &out);
assert(hret == HG_SUCCESS);
printf("Got response ret: %d\n", out.ret);
/* clean up resources consumed by this rpc */
HG_Bulk_free(in.bulk_handle);
HG_Free_output(handle, &out);
HG_Destroy(handle);
margo_bulk_free(in.bulk_handle);
margo_free_output(handle, &out);
margo_destroy(handle);
free(buffer);
printf("ULT [%d] done.\n", arg->val);
......
examples/margo-example-server.c
View file @ 69c34459
......@@ -7,8 +7,8 @@
#include <stdio.h>
#include <assert.h>
#include <unistd.h>
#include <mercury.h>
#include <abt.h>
#include <abt-snoozer.h>
#include <margo.h>
#include "my-rpc.h"
......@@ -19,10 +19,8 @@
int main(int argc, char **argv)
{
int ret;
hg_return_t hret;
margo_instance_id mid;
hg_context_t *hg_context;
hg_class_t *hg_class;
hg_addr_t addr_self;
char addr_self_string[128];
hg_size_t addr_self_string_sz = 128;
......@@ -34,70 +32,40 @@ int main(int argc, char **argv)
return(-1);
}
/* boilerplate HG initialization steps */
/***************************************/
hg_class = HG_Init(argv[1], HG_TRUE);
if(!hg_class)
/* actually start margo -- this step encapsulates the Mercury and
* Argobots initialization and must precede their use */
/* Use the calling xstream to drive progress and execute handlers. */
mid = margo_init(argv[1], MARGO_SERVER_MODE, 0, -1);
if(mid == MARGO_INSTANCE_NULL)
{
fprintf(stderr, "Error: HG_Init()\n");
fprintf(stderr, "Error: margo_init()\n");
return(-1);
}
hg_context = HG_Context_create(hg_class);
if(!hg_context)
{
fprintf(stderr, "Error: HG_Context_create()\n");
HG_Finalize(hg_class);
return(-1);
}
margo_diag_start(mid);
/* figure out what address this server is listening on */
ret = HG_Addr_self(hg_class, &addr_self);
if(ret != HG_SUCCESS)
hret = margo_addr_self(mid, &addr_self);
if(hret != HG_SUCCESS)
{
fprintf(stderr, "Error: HG_Addr_self()\n");
HG_Context_destroy(hg_context);
HG_Finalize(hg_class);
fprintf(stderr, "Error: margo_addr_self()\n");
margo_finalize(mid);
return(-1);
}
ret = HG_Addr_to_string(hg_class, addr_self_string, &addr_self_string_sz, addr_self);
if(ret != HG_SUCCESS)
hret = margo_addr_to_string(mid, addr_self_string, &addr_self_string_sz, addr_self);
if(hret != HG_SUCCESS)
{
fprintf(stderr, "Error: HG_Addr_self()\n");
HG_Context_destroy(hg_context);
HG_Finalize(hg_class);
HG_Addr_free(hg_class, addr_self);
fprintf(stderr, "Error: margo_addr_self()\n");
margo_addr_free(mid, addr_self);
margo_finalize(mid);
return(-1);
}
HG_Addr_free(hg_class, addr_self);
margo_addr_free(mid, addr_self);
printf("# accepting RPCs on address \"%s\"\n", addr_self_string);
/* set up argobots */
/***************************************/
ret = ABT_init(argc, argv);
if(ret != 0)
{
fprintf(stderr, "Error: ABT_init()\n");
return(-1);
}
/* set primary ES to idle without polling */
ret = ABT_snoozer_xstream_self_set();
if(ret != 0)
{
fprintf(stderr, "Error: ABT_snoozer_xstream_self_set()\n");
return(-1);
}
/* actually start margo */
mid = margo_init(0, 0, hg_context);
assert(mid);
margo_diag_start(mid);
/* register RPC */
MARGO_REGISTER(mid, "my_rpc", my_rpc_in_t, my_rpc_out_t, my_rpc_ult, MARGO_RPC_ID_IGNORE);
MARGO_REGISTER(mid, "my_shutdown_rpc", void, void, my_rpc_shutdown_ult, MARGO_RPC_ID_IGNORE);
MARGO_REGISTER(mid, "my_rpc", my_rpc_in_t, my_rpc_out_t, my_rpc_ult);
MARGO_REGISTER(mid, "my_shutdown_rpc", void, void, my_rpc_shutdown_ult);
/* NOTE: there isn't anything else for the server to do at this point
* except wait for itself to be shut down. The
......@@ -106,11 +74,5 @@ int main(int argc, char **argv)
*/
margo_wait_for_finalize(mid);
ABT_finalize();
HG_Context_destroy(hg_context);
HG_Finalize(hg_class);
return(0);
}
examples/my-rpc.c
View file @ 69c34459
......@@ -23,19 +23,19 @@ static void my_rpc_ult(hg_handle_t handle)
hg_return_t hret;
my_rpc_out_t out;
my_rpc_in_t in;
int ret;
hg_size_t size;
void *buffer;
hg_bulk_t bulk_handle;
const struct hg_info *hgi;
#if 0
int ret;
int fd;
char filename[256];
#endif
margo_instance_id mid;
ret = HG_Get_input(handle, &in);
assert(ret == HG_SUCCESS);
hret = margo_get_input(handle, &in);
assert(hret == HG_SUCCESS);
printf("Got RPC request with input_val: %d\n", in.input_val);
out.ret = 0;
......@@ -45,20 +45,22 @@ static void my_rpc_ult(hg_handle_t handle)
buffer = calloc(1, 512);
assert(buffer);
/* register local target buffer for bulk access */
hgi = HG_Get_info(handle);
/* get handle info and margo instance */
hgi = margo_get_info(handle);
assert(hgi);
ret = HG_Bulk_create(hgi->hg_class, 1, &buffer,
&size, HG_BULK_WRITE_ONLY, &bulk_handle);
assert(ret == 0);
mid = margo_hg_info_get_instance(hgi);
assert(mid != MARGO_INSTANCE_NULL);
mid = margo_hg_handle_get_instance(handle);
/* register local target buffer for bulk access */
hret = margo_bulk_create(mid, 1, &buffer,
&size, HG_BULK_WRITE_ONLY, &bulk_handle);
assert(hret == HG_SUCCESS);
/* do bulk transfer from client to server */
ret = margo_bulk_transfer(mid, HG_BULK_PULL,
hret = margo_bulk_transfer(mid, HG_BULK_PULL,
hgi->addr, in.bulk_handle, 0,
bulk_handle, 0, size);
assert(ret == 0);
bulk_handle, 0, size, HG_OP_ID_IGNORE);
assert(hret == HG_SUCCESS);
/* write to a file; would be done with abt-io if we enabled it */
#if 0
......@@ -72,13 +74,13 @@ static void my_rpc_ult(hg_handle_t handle)
abt_io_close(aid, fd);
#endif
HG_Free_input(handle, &in);
margo_free_input(handle, &in);
hret = HG_Respond(handle, NULL, NULL, &out);
hret = margo_respond(mid, handle, &out);
assert(hret == HG_SUCCESS);
HG_Bulk_free(bulk_handle);
HG_Destroy(handle);
margo_bulk_free(bulk_handle);
margo_destroy(handle);
free(buffer);
return;
......@@ -93,14 +95,16 @@ static void my_rpc_shutdown_ult(hg_handle_t handle)
printf("Got RPC request to shutdown\n");
hgi = HG_Get_info(handle);
/* get handle info and margo instance */
hgi = margo_get_info(handle);
assert(hgi);
mid = margo_hg_handle_get_instance(handle);
mid = margo_hg_info_get_instance(hgi);
assert(mid != MARGO_INSTANCE_NULL);
hret = margo_respond(mid, handle, NULL);
assert(hret == HG_SUCCESS);
HG_Destroy(handle);
margo_destroy(handle);
margo_diag_dump(mid, "-", 0);
......
tests/margo-test-client.c
View file @ 69c34459
......@@ -65,7 +65,6 @@ int main(int argc, char **argv)
* is null in this example program because this is a pure client that
* will not be servicing rpc requests.
*/
/***************************************/
mid = margo_init(proto, MARGO_CLIENT_MODE, 0, 0);
if(mid == MARGO_INSTANCE_NULL)
{
......
tests/margo-test-server.c
View file @ 69c34459
......@@ -40,7 +40,6 @@ int main(int argc, char **argv)
* execute handlers. If not, use a dedicated progress xstream and
* run handlers directly on the calling xstream
*/
/***************************************/
if(opts.single_pool_mode)
mid = margo_init(opts.listen_addr, MARGO_SERVER_MODE, 0, -1);
else
......
tests/my-rpc.c
View file @ 69c34459
......@@ -62,8 +62,6 @@ static void my_rpc_ult(hg_handle_t handle)
bulk_handle, 0, size, HG_OP_ID_IGNORE);
assert(hret == HG_SUCCESS);
margo_free_input(handle, &in);
/* write to a file; would be done with abt-io if we enabled it */
#if 0
sprintf(filename, "/tmp/margo-%d.txt", in.input_val);
......@@ -76,6 +74,8 @@ static void my_rpc_ult(hg_handle_t handle)
abt_io_close(aid, fd);
#endif
margo_free_input(handle, &in);
hret = margo_respond(mid, handle, &out);
assert(hret == HG_SUCCESS);
......@@ -104,7 +104,7 @@ static void my_rpc_shutdown_ult(hg_handle_t handle)
hret = margo_respond(mid, handle, NULL);
assert(hret == HG_SUCCESS);
HG_Destroy(handle);
margo_destroy(handle);
/* NOTE: we assume that the server daemon is using
* margo_wait_for_finalize() to suspend until this RPC executes, so there
......@@ -170,5 +170,3 @@ static void my_rpc_hang_ult(hg_handle_t handle)
return;
}
DEFINE_MARGO_RPC_HANDLER(my_rpc_hang_ult)
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