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authorSander Vrijders <sander.vrijders@intec.ugent.be>2016-11-01 14:32:47 +0100
committerSander Vrijders <sander.vrijders@intec.ugent.be>2016-11-01 14:32:47 +0100
commitc69f318e8cbdb8124e40e6a47b1bbffe35914a44 (patch)
tree10c4029e0778dd80d6f1ed822e9dcd2f450feb8a /src/lib/cdap.c
parent0a9f1f2936381dfe350c1846b3bafc306590a88f (diff)
downloadouroboros-c69f318e8cbdb8124e40e6a47b1bbffe35914a44.tar.gz
ouroboros-c69f318e8cbdb8124e40e6a47b1bbffe35914a44.zip
lib: Simplify CDAP API
This will simplify the CDAP API. Now the opcode has to be given when sending a CDAP request. Before a separate operation was provided since some of the function parameters are unused for certain commands.
Diffstat (limited to 'src/lib/cdap.c')
-rw-r--r--src/lib/cdap.c193
1 files changed, 68 insertions, 125 deletions
diff --git a/src/lib/cdap.c b/src/lib/cdap.c
index 4a6408f6..d06a7d39 100644
--- a/src/lib/cdap.c
+++ b/src/lib/cdap.c
@@ -83,49 +83,58 @@ static void * handle_cdap_msg(void * o)
switch (msg->opcode) {
case OPCODE__READ:
if (msg->name != NULL)
- instance->ops->cdap_read(instance,
- msg->invoke_id,
- msg->name);
+ instance->ops->cdap_request(instance,
+ msg->invoke_id,
+ CDAP_READ,
+ msg->name,
+ NULL, 0, 0);
break;
case OPCODE__WRITE:
if (msg->name != NULL &&
msg->has_value)
- instance->ops->cdap_write(instance,
- msg->invoke_id,
- msg->name,
- msg->value.data,
- msg->value.len,
- msg->flags);
+ instance->ops->cdap_request(instance,
+ msg->invoke_id,
+ CDAP_WRITE,
+ msg->name,
+ msg->value.data,
+ msg->value.len,
+ msg->flags);
break;
case OPCODE__CREATE:
if (msg->name != NULL &&
msg->has_value)
- instance->ops->cdap_create(instance,
- msg->invoke_id,
- msg->name,
- msg->value.data,
- msg->value.len);
+ instance->ops->cdap_request(instance,
+ msg->invoke_id,
+ CDAP_CREATE,
+ msg->name,
+ msg->value.data,
+ msg->value.len, 0);
break;
case OPCODE__DELETE:
if (msg->name != NULL &&
msg->has_value)
- instance->ops->cdap_delete(instance,
- msg->invoke_id,
- msg->name,
- msg->value.data,
- msg->value.len);
+ instance->ops->cdap_request(instance,
+ msg->invoke_id,
+ CDAP_DELETE,
+ msg->name,
+ msg->value.data,
+ msg->value.len, 0);
break;
case OPCODE__START:
if (msg->name != NULL)
- instance->ops->cdap_start(instance,
- msg->invoke_id,
- msg->name);
+ instance->ops->cdap_request(instance,
+ msg->invoke_id,
+ CDAP_START,
+ msg->name,
+ NULL, 0, 0);
break;
case OPCODE__STOP:
if (msg->name != NULL)
- instance->ops->cdap_stop(instance,
- msg->invoke_id,
- msg->name);
+ instance->ops->cdap_request(instance,
+ msg->invoke_id,
+ CDAP_STOP,
+ msg->name,
+ NULL, 0, 0);
break;
case OPCODE__REPLY:
instance->ops->cdap_reply(instance,
@@ -191,12 +200,7 @@ struct cdap * cdap_create(struct cdap_ops * ops,
if (ops == NULL || fd < 0 ||
ops->cdap_reply == NULL ||
- ops->cdap_read == NULL ||
- ops->cdap_write == NULL ||
- ops->cdap_create == NULL ||
- ops->cdap_delete == NULL ||
- ops->cdap_start == NULL ||
- ops->cdap_stop == NULL)
+ ops->cdap_request == NULL)
return NULL;
flags = flow_cntl(fd, FLOW_F_GETFL, 0);
@@ -274,9 +278,12 @@ static int write_msg(struct cdap * instance,
return ret;
}
-static int send_read_or_start_or_stop(struct cdap * instance,
- char * name,
- opcode_t code)
+int cdap_send_request(struct cdap * instance,
+ enum cdap_opcode code,
+ char * name,
+ uint8_t * data,
+ size_t len,
+ uint32_t flags)
{
int id;
cdap_t msg = CDAP__INIT;
@@ -288,75 +295,39 @@ static int send_read_or_start_or_stop(struct cdap * instance,
if (!bmp_is_id_valid(instance->ids, id))
return -1;
- msg.opcode = code;
- msg.invoke_id = id;
- msg.name = name;
-
- if (write_msg(instance, &msg))
- return -1;
-
- return id;
-}
-
-static int send_create_or_delete(struct cdap * instance,
- char * name,
- uint8_t * data,
- size_t len,
- opcode_t code)
-{
- int id;
- cdap_t msg = CDAP__INIT;
-
- if (instance == NULL || name == NULL || data == NULL)
- return -1;
-
- id = next_invoke_id(instance);
- if (!bmp_is_id_valid(instance->ids, id))
- return -1;
-
- msg.opcode = code;
- msg.name = name;
- msg.invoke_id = id;
- msg.has_value = true;
- msg.value.data = data;
- msg.value.len = len;
-
- if (write_msg(instance, &msg))
- return -1;
-
- return id;
-}
-
-int cdap_send_read(struct cdap * instance,
- char * name)
-{
- return send_read_or_start_or_stop(instance, name, OPCODE__READ);
-}
-
-int cdap_send_write(struct cdap * instance,
- char * name,
- uint8_t * data,
- size_t len,
- uint32_t flags)
-{
- int id;
- cdap_t msg = CDAP__INIT;
-
- if (instance == NULL || name == NULL || data == NULL)
- return -1;
-
- id = next_invoke_id(instance);
- if (!bmp_is_id_valid(instance->ids, id))
+ switch (code) {
+ case CDAP_READ:
+ msg.opcode = OPCODE__READ;
+ break;
+ case CDAP_WRITE:
+ msg.opcode = OPCODE__WRITE;
+ break;
+ case CDAP_CREATE:
+ msg.opcode = OPCODE__CREATE;
+ break;
+ case CDAP_DELETE:
+ msg.opcode = OPCODE__DELETE;
+ break;
+ case CDAP_START:
+ msg.opcode = OPCODE__START;
+ break;
+ case CDAP_STOP:
+ msg.opcode = OPCODE__STOP;
+ break;
+ default:
+ release_invoke_id(instance, id);
return -1;
+ }
- msg.opcode = OPCODE__WRITE;
msg.name = name;
msg.has_flags = true;
msg.flags = flags;
msg.invoke_id = id;
- msg.has_value = true;
- msg.value.data = data;
- msg.value.len = len;
+ if (data != NULL) {
+ msg.has_value = true;
+ msg.value.data = data;
+ msg.value.len = len;
+ }
if (write_msg(instance, &msg))
return -1;
@@ -364,34 +335,6 @@ int cdap_send_write(struct cdap * instance,
return id;
}
-int cdap_send_create(struct cdap * instance,
- char * name,
- uint8_t * data,
- size_t len)
-{
- return send_create_or_delete(instance, name, data, len, OPCODE__CREATE);
-}
-
-int cdap_send_delete(struct cdap * instance,
- char * name,
- uint8_t * data,
- size_t len)
-{
- return send_create_or_delete(instance, name, data, len, OPCODE__DELETE);
-}
-
-int cdap_send_start(struct cdap * instance,
- char * name)
-{
- return send_read_or_start_or_stop(instance, name, OPCODE__START);
-}
-
-int cdap_send_stop(struct cdap * instance,
- char * name)
-{
- return send_read_or_start_or_stop(instance, name, OPCODE__STOP);
-}
-
int cdap_send_reply(struct cdap * instance,
int invoke_id,
int result,