Commit 30606de1 authored by David Rich's avatar David Rich Committed by Rob Latham
Browse files

Update README given API changes.

parent 98fbe554
......@@ -38,19 +38,26 @@ Client side, all of the remote functionality is abstracted under the client API,
int main(int argc, char **argv) {
int ret;
kv_context * context = kv_client_register(argc, argv);
// pass client address string (e.g. "ofi+tcp://") or NULL to use default
// default is currently "ofi+tcp://"
kv_context * context = kv_client_register(NULL);
/* open */
ret = kv_open(context, argv[1], "booger", KV_INT, KV_INT);
ret = kv_open(context, argv[1], "booger");
/* put */
int key = 10;
int val = 10;
ret = kv_put(context, &key, &val);
ret = kv_put(context, &key, sizeof(key), &val, sizeof(val));
/* get */
int remote_val;
ret = kv_get(context, &key, &remote_val);
int vsize = sizeof(remote_val);
// vsize is an in/out argument
// in value is size of receive buffer (e.g. &remote_val)
// out is actual size transferred
// this all makes more sense with complex values of arbitrary size
ret = kv_get(context, &key, sizeof(key), &remote_val, &vsize);
printf("key: %d in: %d out: %d\n", key, val, remote_val);
/* close */
......@@ -62,9 +69,6 @@ int main(int argc, char **argv) {
To compile this code, you'll need to link against `libkvclient` in addition to the "mercury suite" dependencies.
The key and value type information passed to `kv_open` might not end up being
so useful in the end. We're still working on that one.
## Issues
......
......@@ -99,6 +99,9 @@ int main(int argc, char *argv[])
hret = kv_open(context, server_addr_str, (char*)db);
DIE_IF(hret != HG_SUCCESS, "kv_open");
// these puts/gets do explicit marshalling/unmarshalling as an example
// it's not necessary when dealing with simple types
// put
for (int i=1; i<rank*10; i++) {
int32_t key = 10*rank + i;
......
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