From 0db3b944bd4720be0ea66b2033ce7fd4eb27027f Mon Sep 17 00:00:00 2001 From: Stefan Metzmacher Date: Fri, 3 Apr 2009 17:52:15 +0200 Subject: tsocket: move tsocket_sendto_queue_send/recv() to tsocket_helpers.c metze --- lib/tsocket/tsocket.c | 130 ----------------------------------------- lib/tsocket/tsocket_helpers.c | 131 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 131 insertions(+), 130 deletions(-) diff --git a/lib/tsocket/tsocket.c b/lib/tsocket/tsocket.c index 606642e983..55a7f03206 100644 --- a/lib/tsocket/tsocket.c +++ b/lib/tsocket/tsocket.c @@ -404,133 +404,3 @@ int tdgram_disconnect_recv(struct tevent_req *req, return ret; } -struct tdgram_sendto_queue_state { - /* this structs are owned by the caller */ - struct { - struct tevent_context *ev; - struct tdgram_context *dgram; - const uint8_t *buf; - size_t len; - const struct tsocket_address *dst; - } caller; - ssize_t ret; -}; - -static void tdgram_sendto_queue_trigger(struct tevent_req *req, - void *private_data); -static void tdgram_sendto_queue_done(struct tevent_req *subreq); - -/** - * @brief Queue a dgram blob for sending through the socket - * @param[in] mem_ctx The memory context for the result - * @param[in] ev The event context the operation should work on - * @param[in] dgram The tdgram_context to send the message buffer - * @param[in] queue The existing dgram queue - * @param[in] buf The message buffer - * @param[in] len The message length - * @param[in] dst The destination socket address - * @retval The async request handle - * - * This function queues a blob for sending to destination through an existing - * dgram socket. The async callback is triggered when the whole blob is - * delivered to the underlying system socket. - * - * The caller needs to make sure that all non-scalar input parameters hang - * arround for the whole lifetime of the request. - */ -struct tevent_req *tdgram_sendto_queue_send(TALLOC_CTX *mem_ctx, - struct tevent_context *ev, - struct tdgram_context *dgram, - struct tevent_queue *queue, - const uint8_t *buf, - size_t len, - struct tsocket_address *dst) -{ - struct tevent_req *req; - struct tdgram_sendto_queue_state *state; - bool ok; - - req = tevent_req_create(mem_ctx, &state, - struct tdgram_sendto_queue_state); - if (!req) { - return NULL; - } - - state->caller.ev = ev; - state->caller.dgram = dgram; - state->caller.buf = buf; - state->caller.len = len; - state->caller.dst = dst; - state->ret = -1; - - ok = tevent_queue_add(queue, - ev, - req, - tdgram_sendto_queue_trigger, - NULL); - if (!ok) { - tevent_req_nomem(NULL, req); - goto post; - } - - return req; - - post: - tevent_req_post(req, ev); - return req; -} - -static void tdgram_sendto_queue_trigger(struct tevent_req *req, - void *private_data) -{ - struct tdgram_sendto_queue_state *state = tevent_req_data(req, - struct tdgram_sendto_queue_state); - struct tevent_req *subreq; - - subreq = tdgram_sendto_send(state, - state->caller.ev, - state->caller.dgram, - state->caller.buf, - state->caller.len, - state->caller.dst); - if (tevent_req_nomem(subreq, req)) { - return; - } - tevent_req_set_callback(subreq, tdgram_sendto_queue_done, req); -} - -static void tdgram_sendto_queue_done(struct tevent_req *subreq) -{ - struct tevent_req *req = tevent_req_callback_data(subreq, - struct tevent_req); - struct tdgram_sendto_queue_state *state = tevent_req_data(req, - struct tdgram_sendto_queue_state); - ssize_t ret; - int sys_errno; - - ret = tdgram_sendto_recv(subreq, &sys_errno); - talloc_free(subreq); - if (ret == -1) { - tevent_req_error(req, sys_errno); - return; - } - state->ret = ret; - - tevent_req_done(req); -} - -ssize_t tdgram_sendto_queue_recv(struct tevent_req *req, int *perrno) -{ - struct tdgram_sendto_queue_state *state = tevent_req_data(req, - struct tdgram_sendto_queue_state); - ssize_t ret; - - ret = tsocket_simple_int_recv(req, perrno); - if (ret == 0) { - ret = state->ret; - } - - tevent_req_received(req); - return ret; -} - diff --git a/lib/tsocket/tsocket_helpers.c b/lib/tsocket/tsocket_helpers.c index 303be2de11..eb506fef16 100644 --- a/lib/tsocket/tsocket_helpers.c +++ b/lib/tsocket/tsocket_helpers.c @@ -54,3 +54,134 @@ int tsocket_simple_int_recv(struct tevent_req *req, int *perrno) *perrno = EIO; return -1; } + +struct tdgram_sendto_queue_state { + /* this structs are owned by the caller */ + struct { + struct tevent_context *ev; + struct tdgram_context *dgram; + const uint8_t *buf; + size_t len; + const struct tsocket_address *dst; + } caller; + ssize_t ret; +}; + +static void tdgram_sendto_queue_trigger(struct tevent_req *req, + void *private_data); +static void tdgram_sendto_queue_done(struct tevent_req *subreq); + +/** + * @brief Queue a dgram blob for sending through the socket + * @param[in] mem_ctx The memory context for the result + * @param[in] ev The event context the operation should work on + * @param[in] dgram The tdgram_context to send the message buffer + * @param[in] queue The existing dgram queue + * @param[in] buf The message buffer + * @param[in] len The message length + * @param[in] dst The destination socket address + * @retval The async request handle + * + * This function queues a blob for sending to destination through an existing + * dgram socket. The async callback is triggered when the whole blob is + * delivered to the underlying system socket. + * + * The caller needs to make sure that all non-scalar input parameters hang + * arround for the whole lifetime of the request. + */ +struct tevent_req *tdgram_sendto_queue_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct tdgram_context *dgram, + struct tevent_queue *queue, + const uint8_t *buf, + size_t len, + struct tsocket_address *dst) +{ + struct tevent_req *req; + struct tdgram_sendto_queue_state *state; + bool ok; + + req = tevent_req_create(mem_ctx, &state, + struct tdgram_sendto_queue_state); + if (!req) { + return NULL; + } + + state->caller.ev = ev; + state->caller.dgram = dgram; + state->caller.buf = buf; + state->caller.len = len; + state->caller.dst = dst; + state->ret = -1; + + ok = tevent_queue_add(queue, + ev, + req, + tdgram_sendto_queue_trigger, + NULL); + if (!ok) { + tevent_req_nomem(NULL, req); + goto post; + } + + return req; + + post: + tevent_req_post(req, ev); + return req; +} + +static void tdgram_sendto_queue_trigger(struct tevent_req *req, + void *private_data) +{ + struct tdgram_sendto_queue_state *state = tevent_req_data(req, + struct tdgram_sendto_queue_state); + struct tevent_req *subreq; + + subreq = tdgram_sendto_send(state, + state->caller.ev, + state->caller.dgram, + state->caller.buf, + state->caller.len, + state->caller.dst); + if (tevent_req_nomem(subreq, req)) { + return; + } + tevent_req_set_callback(subreq, tdgram_sendto_queue_done, req); +} + +static void tdgram_sendto_queue_done(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data(subreq, + struct tevent_req); + struct tdgram_sendto_queue_state *state = tevent_req_data(req, + struct tdgram_sendto_queue_state); + ssize_t ret; + int sys_errno; + + ret = tdgram_sendto_recv(subreq, &sys_errno); + talloc_free(subreq); + if (ret == -1) { + tevent_req_error(req, sys_errno); + return; + } + state->ret = ret; + + tevent_req_done(req); +} + +ssize_t tdgram_sendto_queue_recv(struct tevent_req *req, int *perrno) +{ + struct tdgram_sendto_queue_state *state = tevent_req_data(req, + struct tdgram_sendto_queue_state); + ssize_t ret; + + ret = tsocket_simple_int_recv(req, perrno); + if (ret == 0) { + ret = state->ret; + } + + tevent_req_received(req); + return ret; +} + -- cgit