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net: lwm2m: save lwm2m_ctx instead of net_app_ctx in observer

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This is the first part of a large refactoring of LwM2M library
message functions and will simplify observer handling later.

Signed-off-by: Michael Scott <michael.scott@linaro.org>
This commit is contained in:
Michael Scott 2017-09-01 00:42:05 -07:00 • committed by Jukka Rissanen
commit 70372f1201
1 changed files with 11 additions and 13 deletions
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24
subsys/net/lib/lwm2m/lwm2m_engine.c
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@ -81,7 +81,7 @@
struct observe_node {
sys_snode_t node;
struct net_app_ctx *net_app_ctx;
struct lwm2m_ctx *ctx;
struct lwm2m_obj_path path;
u8_t token[8];
s64_t event_timestamp;
@ -226,7 +226,7 @@ static int engine_add_observer(struct net_app_ctx *app_ctx,
/* make sure this observer doesn't exist already */
SYS_SLIST_FOR_EACH_CONTAINER(&engine_observer_list, obs, node) {
if (obs->net_app_ctx == app_ctx &&
if (&obs->ctx->net_app_ctx == app_ctx &&
memcmp(&obs->path, path, sizeof(*path)) == 0) {
/* quietly update the token information */
memcpy(obs->token, token, tkl);
@ -255,7 +255,8 @@ static int engine_add_observer(struct net_app_ctx *app_ctx,
/* copy the values and add it to the list */
observe_node_data[i].used = true;
observe_node_data[i].net_app_ctx = app_ctx;
observe_node_data[i].ctx = CONTAINER_OF(app_ctx,
struct lwm2m_ctx, net_app_ctx);
memcpy(&observe_node_data[i].path, path, sizeof(*path));
memcpy(observe_node_data[i].token, token, tkl);
observe_node_data[i].tkl = tkl;
@ -2444,12 +2445,9 @@ static int generate_notify_message(struct observe_node *obs,
struct lwm2m_output_context out;
struct lwm2m_engine_context context;
struct lwm2m_obj_path path;
struct lwm2m_ctx *client_ctx;
int ret = 0;
client_ctx = CONTAINER_OF(obs->net_app_ctx,
struct lwm2m_ctx, net_app_ctx);
if (!client_ctx) {
if (!obs->ctx) {
SYS_LOG_ERR("observer has no valid LwM2M ctx!");
return -EINVAL;
}
@ -2472,7 +2470,7 @@ static int generate_notify_message(struct observe_node *obs,
obs->path.level,
sprint_token(obs->token, obs->tkl),
lwm2m_sprint_ip_addr(
&obs->net_app_ctx->default_ctx->remote),
&obs->ctx->net_app_ctx.default_ctx->remote),
k_uptime_get());
obj_inst = get_engine_obj_inst(obs->path.obj_id,
@ -2484,7 +2482,7 @@ static int generate_notify_message(struct observe_node *obs,
return -EINVAL;
}
ret = lwm2m_init_message(obs->net_app_ctx, out.out_zpkt, &pkt,
ret = lwm2m_init_message(&obs->ctx->net_app_ctx, out.out_zpkt, &pkt,
ZOAP_TYPE_CON, ZOAP_RESPONSE_CODE_CONTENT,
0, obs->token, obs->tkl);
if (ret) {
@ -2523,13 +2521,13 @@ static int generate_notify_message(struct observe_node *obs,
goto cleanup;
}
pending = lwm2m_init_message_pending(client_ctx, out.out_zpkt);
pending = lwm2m_init_message_pending(obs->ctx, out.out_zpkt);
if (!pending) {
ret = -ENOMEM;
goto cleanup;
}
reply = zoap_reply_next_unused(client_ctx->replies,
reply = zoap_reply_next_unused(obs->ctx->replies,
CONFIG_LWM2M_ENGINE_MAX_REPLIES);
if (!reply) {
SYS_LOG_ERR("No resources for waiting for replies.");
@ -2540,7 +2538,7 @@ static int generate_notify_message(struct observe_node *obs,
zoap_reply_init(reply, &request);
reply->reply = notify_message_reply_cb;
ret = lwm2m_udp_sendto(obs->net_app_ctx, pkt);
ret = lwm2m_udp_sendto(&obs->ctx->net_app_ctx, pkt);
if (ret < 0) {
SYS_LOG_ERR("Error sending LWM2M packet (err:%d).", ret);
goto cleanup;
@ -2548,7 +2546,7 @@ static int generate_notify_message(struct observe_node *obs,
SYS_LOG_DBG("NOTIFY MSG: SENT");
zoap_pending_cycle(pending);
k_delayed_work_submit(&client_ctx->retransmit_work, pending->timeout);
k_delayed_work_submit(&obs->ctx->retransmit_work, pending->timeout);
return ret;
cleanup: