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net: http: Add context net_buf pool support to HTTP client

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This commit adds http_client_set_net_pkt_pool() function that allows
caller to define net_buf pool that is used when sending a TCP packet.
This is needed for those technologies like Bluetooth or 802.15.4 which
compress the IPv6 header during send.

Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2017-07-28 15:30:04 +03:00
parent a4cfee8fe6
commit 1c07ead104
2 changed files with 48 additions and 0 deletions
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34
include/net/http.h
View file

@ -200,6 +200,18 @@ struct http_client_ctx {
/** Server name */
const char *server;
#if defined(CONFIG_NET_CONTEXT_NET_PKT_POOL)
/** Network packet (net_pkt) memory pool for network contexts attached
* to this http_client context.
*/
net_pkt_get_slab_func_t tx_slab;
/** Network data net_buf pool for network contexts attached to this
* http_client context.
*/
net_pkt_get_pool_func_t data_pool;
#endif /* CONFIG_NET_CONTEXT_NET_PKT_POOL */
/** Is this instance HTTPS or not.
*/
bool is_https;
@ -580,6 +592,28 @@ int https_client_init(struct http_client_ctx *http_ctx,
* @param http_ctx HTTP context.
*/
void http_client_release(struct http_client_ctx *http_ctx);
#if defined(CONFIG_NET_CONTEXT_NET_PKT_POOL)
/**
* @brief Configure the net_pkt pool for this context.
*
* @details Use of this function is optional and if the pools are not set,
* then the default TX and DATA pools are used. This needs to be called before
* http init function, as that will setup net_context which needs the net_pkt
* pool information.
*
* @param ctx HTTP client context
* @param tx_slab Function which is used when allocating TX network packet.
* This can be NULL in which case default TX memory pool is used.
* @param data_pool Function which is used when allocating data network buffer.
* This can be NULL in which case default DATA net_buf pool is used.
*/
int http_client_set_net_pkt_pool(struct http_client_ctx *ctx,
net_pkt_get_slab_func_t tx_slab,
net_pkt_get_pool_func_t data_pool);
#else
#define http_client_set_net_pkt_pool(...)
#endif /* CONFIG_NET_CONTEXT_NET_PKT_POOL */
#endif /* CONFIG_HTTP_CLIENT */
#if defined(CONFIG_HTTP_SERVER)

14
subsys/net/lib/http/http_client.c
View file

@ -563,6 +563,8 @@ static int tcp_connect(struct http_client_ctx *ctx)
return ret;
}
net_context_setup_pools(ctx->tcp.ctx, ctx->tx_slab, ctx->data_pool);
ret = net_context_bind(ctx->tcp.ctx, &ctx->tcp.local,
addrlen);
if (ret) {
@ -1732,3 +1734,15 @@ void http_client_release(struct http_client_ctx *ctx)
*/
memset(ctx, 0, sizeof(*ctx));
}
#if defined(CONFIG_NET_CONTEXT_NET_PKT_POOL)
int http_client_set_net_pkt_pool(struct http_client_ctx *ctx,
net_pkt_get_slab_func_t tx_slab,
net_pkt_get_pool_func_t data_pool)
{
ctx->tx_slab = tx_slab;
ctx->data_pool = data_pool;
return 0;
}
#endif /* CONFIG_NET_CONTEXT_NET_PKT_POOL */