diff options
Diffstat (limited to 'src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver_posix.cc')
-rw-r--r-- | src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver_posix.cc | 76 |
1 files changed, 38 insertions, 38 deletions
diff --git a/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver_posix.cc b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver_posix.cc index d9d0791a27..56bc6ba102 100644 --- a/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver_posix.cc +++ b/src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver_posix.cc @@ -37,7 +37,7 @@ typedef struct fd_node { /** the owner of this fd node */ - grpc_ares_ev_driver *ev_driver; + grpc_ares_ev_driver* ev_driver; /** a closure wrapping on_readable_cb, which should be invoked when the grpc_fd in this node becomes readable. */ grpc_closure read_closure; @@ -45,12 +45,12 @@ typedef struct fd_node { grpc_fd in this node becomes writable. */ grpc_closure write_closure; /** next fd node in the list */ - struct fd_node *next; + struct fd_node* next; /** mutex guarding the rest of the state */ gpr_mu mu; /** the grpc_fd owned by this fd node */ - grpc_fd *fd; + grpc_fd* fd; /** if the readable closure has been registered */ bool readable_registered; /** if the writable closure has been registered */ @@ -63,30 +63,30 @@ struct grpc_ares_ev_driver { /** the ares_channel owned by this event driver */ ares_channel channel; /** pollset set for driving the IO events of the channel */ - grpc_pollset_set *pollset_set; + grpc_pollset_set* pollset_set; /** refcount of the event driver */ gpr_refcount refs; /** mutex guarding the rest of the state */ gpr_mu mu; /** a list of grpc_fd that this event driver is currently using. */ - fd_node *fds; + fd_node* fds; /** is this event driver currently working? */ bool working; /** is this event driver being shut down */ bool shutting_down; }; -static void grpc_ares_notify_on_event_locked(grpc_ares_ev_driver *ev_driver); +static void grpc_ares_notify_on_event_locked(grpc_ares_ev_driver* ev_driver); -static grpc_ares_ev_driver *grpc_ares_ev_driver_ref( - grpc_ares_ev_driver *ev_driver) { +static grpc_ares_ev_driver* grpc_ares_ev_driver_ref( + grpc_ares_ev_driver* ev_driver) { gpr_log(GPR_DEBUG, "Ref ev_driver %" PRIuPTR, (uintptr_t)ev_driver); gpr_ref(&ev_driver->refs); return ev_driver; } -static void grpc_ares_ev_driver_unref(grpc_ares_ev_driver *ev_driver) { +static void grpc_ares_ev_driver_unref(grpc_ares_ev_driver* ev_driver) { gpr_log(GPR_DEBUG, "Unref ev_driver %" PRIuPTR, (uintptr_t)ev_driver); if (gpr_unref(&ev_driver->refs)) { gpr_log(GPR_DEBUG, "destroy ev_driver %" PRIuPTR, (uintptr_t)ev_driver); @@ -97,7 +97,7 @@ static void grpc_ares_ev_driver_unref(grpc_ares_ev_driver *ev_driver) { } } -static void fd_node_destroy(fd_node *fdn) { +static void fd_node_destroy(fd_node* fdn) { gpr_log(GPR_DEBUG, "delete fd: %d", grpc_fd_wrapped_fd(fdn->fd)); GPR_ASSERT(!fdn->readable_registered); GPR_ASSERT(!fdn->writable_registered); @@ -110,7 +110,7 @@ static void fd_node_destroy(fd_node *fdn) { gpr_free(fdn); } -static void fd_node_shutdown(fd_node *fdn) { +static void fd_node_shutdown(fd_node* fdn) { gpr_mu_lock(&fdn->mu); fdn->shutting_down = true; if (!fdn->readable_registered && !fdn->writable_registered) { @@ -123,16 +123,16 @@ static void fd_node_shutdown(fd_node *fdn) { } } -grpc_error *grpc_ares_ev_driver_create(grpc_ares_ev_driver **ev_driver, - grpc_pollset_set *pollset_set) { - *ev_driver = (grpc_ares_ev_driver *)gpr_malloc(sizeof(grpc_ares_ev_driver)); +grpc_error* grpc_ares_ev_driver_create(grpc_ares_ev_driver** ev_driver, + grpc_pollset_set* pollset_set) { + *ev_driver = (grpc_ares_ev_driver*)gpr_malloc(sizeof(grpc_ares_ev_driver)); int status = ares_init(&(*ev_driver)->channel); gpr_log(GPR_DEBUG, "grpc_ares_ev_driver_create"); if (status != ARES_SUCCESS) { - char *err_msg; + char* err_msg; gpr_asprintf(&err_msg, "Failed to init ares channel. C-ares error: %s", ares_strerror(status)); - grpc_error *err = GRPC_ERROR_CREATE_FROM_COPIED_STRING(err_msg); + grpc_error* err = GRPC_ERROR_CREATE_FROM_COPIED_STRING(err_msg); gpr_free(err_msg); gpr_free(*ev_driver); return err; @@ -146,9 +146,9 @@ grpc_error *grpc_ares_ev_driver_create(grpc_ares_ev_driver **ev_driver, return GRPC_ERROR_NONE; } -void grpc_ares_ev_driver_destroy(grpc_ares_ev_driver *ev_driver) { +void grpc_ares_ev_driver_destroy(grpc_ares_ev_driver* ev_driver) { // It's not safe to shut down remaining fds here directly, becauses - // ares_host_callback does not provide an exec_ctx-> We mark the event driver + // ares_host_callback does not provide an exec_ctx. We mark the event driver // as being shut down. If the event driver is working, // grpc_ares_notify_on_event_locked will shut down the fds; if it's not // working, there are no fds to shut down. @@ -158,10 +158,10 @@ void grpc_ares_ev_driver_destroy(grpc_ares_ev_driver *ev_driver) { grpc_ares_ev_driver_unref(ev_driver); } -void grpc_ares_ev_driver_shutdown(grpc_ares_ev_driver *ev_driver) { +void grpc_ares_ev_driver_shutdown(grpc_ares_ev_driver* ev_driver) { gpr_mu_lock(&ev_driver->mu); ev_driver->shutting_down = true; - fd_node *fn = ev_driver->fds; + fd_node* fn = ev_driver->fds; while (fn != NULL) { grpc_fd_shutdown(fn->fd, GRPC_ERROR_CREATE_FROM_STATIC_STRING( "grpc_ares_ev_driver_shutdown")); @@ -172,13 +172,13 @@ void grpc_ares_ev_driver_shutdown(grpc_ares_ev_driver *ev_driver) { // Search fd in the fd_node list head. This is an O(n) search, the max possible // value of n is ARES_GETSOCK_MAXNUM (16). n is typically 1 - 2 in our tests. -static fd_node *pop_fd_node(fd_node **head, int fd) { +static fd_node* pop_fd_node(fd_node** head, int fd) { fd_node dummy_head; dummy_head.next = *head; - fd_node *node = &dummy_head; + fd_node* node = &dummy_head; while (node->next != NULL) { if (grpc_fd_wrapped_fd(node->next->fd) == fd) { - fd_node *ret = node->next; + fd_node* ret = node->next; node->next = node->next->next; *head = dummy_head.next; return ret; @@ -189,15 +189,15 @@ static fd_node *pop_fd_node(fd_node **head, int fd) { } /* Check if \a fd is still readable */ -static bool grpc_ares_is_fd_still_readable(grpc_ares_ev_driver *ev_driver, +static bool grpc_ares_is_fd_still_readable(grpc_ares_ev_driver* ev_driver, int fd) { size_t bytes_available = 0; return ioctl(fd, FIONREAD, &bytes_available) == 0 && bytes_available > 0; } -static void on_readable_cb(void *arg, grpc_error *error) { - fd_node *fdn = (fd_node *)arg; - grpc_ares_ev_driver *ev_driver = fdn->ev_driver; +static void on_readable_cb(void* arg, grpc_error* error) { + fd_node* fdn = (fd_node*)arg; + grpc_ares_ev_driver* ev_driver = fdn->ev_driver; gpr_mu_lock(&fdn->mu); const int fd = grpc_fd_wrapped_fd(fdn->fd); fdn->readable_registered = false; @@ -229,9 +229,9 @@ static void on_readable_cb(void *arg, grpc_error *error) { grpc_ares_ev_driver_unref(ev_driver); } -static void on_writable_cb(void *arg, grpc_error *error) { - fd_node *fdn = (fd_node *)arg; - grpc_ares_ev_driver *ev_driver = fdn->ev_driver; +static void on_writable_cb(void* arg, grpc_error* error) { + fd_node* fdn = (fd_node*)arg; + grpc_ares_ev_driver* ev_driver = fdn->ev_driver; gpr_mu_lock(&fdn->mu); const int fd = grpc_fd_wrapped_fd(fdn->fd); fdn->writable_registered = false; @@ -261,14 +261,14 @@ static void on_writable_cb(void *arg, grpc_error *error) { grpc_ares_ev_driver_unref(ev_driver); } -ares_channel *grpc_ares_ev_driver_get_channel(grpc_ares_ev_driver *ev_driver) { +ares_channel* grpc_ares_ev_driver_get_channel(grpc_ares_ev_driver* ev_driver) { return &ev_driver->channel; } // Get the file descriptors used by the ev_driver's ares channel, register // driver_closure with these filedescriptors. -static void grpc_ares_notify_on_event_locked(grpc_ares_ev_driver *ev_driver) { - fd_node *new_list = NULL; +static void grpc_ares_notify_on_event_locked(grpc_ares_ev_driver* ev_driver) { + fd_node* new_list = NULL; if (!ev_driver->shutting_down) { ares_socket_t socks[ARES_GETSOCK_MAXNUM]; int socks_bitmask = @@ -276,12 +276,12 @@ static void grpc_ares_notify_on_event_locked(grpc_ares_ev_driver *ev_driver) { for (size_t i = 0; i < ARES_GETSOCK_MAXNUM; i++) { if (ARES_GETSOCK_READABLE(socks_bitmask, i) || ARES_GETSOCK_WRITABLE(socks_bitmask, i)) { - fd_node *fdn = pop_fd_node(&ev_driver->fds, socks[i]); + fd_node* fdn = pop_fd_node(&ev_driver->fds, socks[i]); // Create a new fd_node if sock[i] is not in the fd_node list. if (fdn == NULL) { - char *fd_name; + char* fd_name; gpr_asprintf(&fd_name, "ares_ev_driver-%" PRIuPTR, i); - fdn = (fd_node *)gpr_malloc(sizeof(fd_node)); + fdn = (fd_node*)gpr_malloc(sizeof(fd_node)); gpr_log(GPR_DEBUG, "new fd: %d", socks[i]); fdn->fd = grpc_fd_create(socks[i], fd_name); fdn->ev_driver = ev_driver; @@ -326,7 +326,7 @@ static void grpc_ares_notify_on_event_locked(grpc_ares_ev_driver *ev_driver) { // are therefore no longer in use, so they can be shut down and removed from // the list. while (ev_driver->fds != NULL) { - fd_node *cur = ev_driver->fds; + fd_node* cur = ev_driver->fds; ev_driver->fds = ev_driver->fds->next; fd_node_shutdown(cur); } @@ -338,7 +338,7 @@ static void grpc_ares_notify_on_event_locked(grpc_ares_ev_driver *ev_driver) { } } -void grpc_ares_ev_driver_start(grpc_ares_ev_driver *ev_driver) { +void grpc_ares_ev_driver_start(grpc_ares_ev_driver* ev_driver) { gpr_mu_lock(&ev_driver->mu); if (!ev_driver->working) { ev_driver->working = true; |