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Introducing connection state io_read_handler.

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This commit is contained in:
Igor Sysoev
2018-04-11 17:33:18 +03:00
parent 0be4f1f693
commit c7e575d5c6
3 changed files with 45 additions and 52 deletions
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82
src/nxt_h1proto.c
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@@ -13,7 +13,7 @@
* nxt_h1p_request_ prefix is used for HTTP/1 protocol request methods.
*/
static void nxt_h1p_conn_read_header(nxt_task_t *task, void *obj, void *data);
static ssize_t nxt_h1p_conn_io_read_handler(nxt_conn_t *c);
static void nxt_h1p_conn_proto_init(nxt_task_t *task, void *obj, void *data);
static void nxt_h1p_conn_request_init(nxt_task_t *task, void *obj, void *data);
static void nxt_h1p_conn_header_parse(nxt_task_t *task, void *obj, void *data);
@@ -53,7 +53,6 @@ static nxt_msec_t nxt_h1p_conn_timeout_value(nxt_conn_t *c, uintptr_t data);
static const nxt_conn_state_t nxt_h1p_idle_state;
static const nxt_conn_state_t nxt_h1p_proto_init_state;
static const nxt_conn_state_t nxt_h1p_header_parse_state;
static const nxt_conn_state_t nxt_h1p_read_body_state;
static const nxt_conn_state_t nxt_h1p_send_state;
@@ -151,62 +150,55 @@ nxt_http_conn_init(nxt_task_t *task, void *obj, void *data)
c->read_state = &nxt_h1p_idle_state;
nxt_conn_wait(c);
nxt_conn_read(task->thread->engine, c);
}
static const nxt_conn_state_t nxt_h1p_idle_state
nxt_aligned(64) =
{
.ready_handler = nxt_h1p_conn_read_header,
.close_handler = nxt_h1p_conn_error,
.error_handler = nxt_h1p_conn_error,
.timer_handler = nxt_h1p_conn_timeout,
.timer_value = nxt_h1p_conn_timeout_value,
.timer_data = offsetof(nxt_socket_conf_t, idle_timeout),
};
static void
nxt_h1p_conn_read_header(nxt_task_t *task, void *obj, void *data)
{
size_t size;
nxt_conn_t *c;
nxt_socket_conf_joint_t *joint;
c = obj;
nxt_debug(task, "h1p conn read header");
joint = c->joint;
size = joint->socket_conf->header_buffer_size;
c->read = nxt_buf_mem_alloc(c->mem_pool, size, 0);
if (nxt_slow_path(c->read == NULL)) {
nxt_h1p_conn_error(task, c, c->socket.data);
return;
}
c->read_state = &nxt_h1p_proto_init_state;
nxt_conn_read(task->thread->engine, c);
}
static const nxt_conn_state_t nxt_h1p_proto_init_state
nxt_aligned(64) =
{
.ready_handler = nxt_h1p_conn_proto_init,
.close_handler = nxt_h1p_conn_error,
.error_handler = nxt_h1p_conn_error,
.io_read_handler = nxt_h1p_conn_io_read_handler,
.timer_handler = nxt_h1p_conn_timeout,
.timer_value = nxt_h1p_conn_timeout_value,
.timer_data = offsetof(nxt_socket_conf_t, header_read_timeout),
};
static ssize_t
nxt_h1p_conn_io_read_handler(nxt_conn_t *c)
{
size_t size;
ssize_t n;
nxt_buf_t *b;
nxt_socket_conf_joint_t *joint;
joint = c->joint;
size = joint->socket_conf->header_buffer_size;
b = nxt_buf_mem_alloc(c->mem_pool, size, 0);
if (nxt_slow_path(b == NULL)) {
c->socket.error = NXT_ENOMEM;
return NXT_ERROR;
}
n = c->io->recvbuf(c, b);
if (n > 0) {
c->read = b;
} else {
nxt_mp_free(c->mem_pool, b);
}
return n;
}
static void
nxt_h1p_conn_proto_init(nxt_task_t *task, void *obj, void *data)
{
@@ -1021,9 +1013,9 @@ nxt_h1p_keepalive(nxt_task_t *task, nxt_h1proto_t *h1p, nxt_conn_t *c)
size = nxt_buf_mem_used_size(&in->mem);
if (size == 0) {
in->mem.pos = in->mem.start;
in->mem.free = in->mem.start;
nxt_mp_free(c->mem_pool, in);
c->read = NULL;
c->read_state = &nxt_h1p_keepalive_state;
nxt_conn_read(task->thread->engine, c);
@@ -1048,6 +1040,8 @@ static const nxt_conn_state_t nxt_h1p_keepalive_state
.close_handler = nxt_h1p_conn_error,
.error_handler = nxt_h1p_conn_error,
.io_read_handler = nxt_h1p_conn_io_read_handler,
.timer_handler = nxt_h1p_conn_timeout,
.timer_value = nxt_h1p_conn_timeout_value,
.timer_data = offsetof(nxt_socket_conf_t, idle_timeout),