diff options
Diffstat (limited to 'src/core/ext/client_channel/subchannel.c')
-rw-r--r-- | src/core/ext/client_channel/subchannel.c | 57 |
1 files changed, 48 insertions, 9 deletions
diff --git a/src/core/ext/client_channel/subchannel.c b/src/core/ext/client_channel/subchannel.c index f55fa60f91..b7379b30b3 100644 --- a/src/core/ext/client_channel/subchannel.c +++ b/src/core/ext/client_channel/subchannel.c @@ -38,12 +38,16 @@ #include <grpc/support/alloc.h> #include <grpc/support/avl.h> +#include <grpc/support/string_util.h> #include "src/core/ext/client_channel/client_channel.h" #include "src/core/ext/client_channel/initial_connect_string.h" +#include "src/core/ext/client_channel/parse_address.h" #include "src/core/ext/client_channel/subchannel_index.h" +#include "src/core/ext/client_channel/uri_parser.h" #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/connected_channel.h" +#include "src/core/lib/iomgr/sockaddr_utils.h" #include "src/core/lib/iomgr/timer.h" #include "src/core/lib/profiling/timers.h" #include "src/core/lib/slice/slice_internal.h" @@ -95,8 +99,6 @@ struct grpc_subchannel { size_t num_filters; /** channel arguments */ grpc_channel_args *args; - /** address to connect to */ - grpc_resolved_address *addr; grpc_subchannel_key *key; @@ -211,7 +213,6 @@ static void subchannel_destroy(grpc_exec_ctx *exec_ctx, void *arg, grpc_subchannel *c = arg; gpr_free((void *)c->filters); grpc_channel_args_destroy(exec_ctx, c->args); - gpr_free(c->addr); grpc_slice_unref_internal(exec_ctx, c->initial_connect_string); grpc_connectivity_state_destroy(exec_ctx, &c->state_tracker); grpc_connector_unref(exec_ctx, c->connector); @@ -327,12 +328,17 @@ grpc_subchannel *grpc_subchannel_create(grpc_exec_ctx *exec_ctx, } else { c->filters = NULL; } - c->addr = gpr_malloc(sizeof(grpc_resolved_address)); - if (args->addr->len) - memcpy(c->addr, args->addr, sizeof(grpc_resolved_address)); c->pollset_set = grpc_pollset_set_create(); - grpc_set_initial_connect_string(&c->addr, &c->initial_connect_string); - c->args = grpc_channel_args_copy(args->args); + grpc_resolved_address *addr = gpr_malloc(sizeof(*addr)); + grpc_get_subchannel_address_arg(args->args, addr); + grpc_set_initial_connect_string(&addr, &c->initial_connect_string); + static const char *keys_to_remove[] = {GRPC_ARG_SUBCHANNEL_ADDRESS}; + grpc_arg new_arg = grpc_create_subchannel_address_arg(addr); + gpr_free(addr); + c->args = grpc_channel_args_copy_and_add_and_remove( + args->args, keys_to_remove, GPR_ARRAY_SIZE(keys_to_remove), &new_arg, 1); + gpr_free(new_arg.value.string); + c->root_external_state_watcher.next = c->root_external_state_watcher.prev = &c->root_external_state_watcher; grpc_closure_init(&c->connected, subchannel_connected, c, @@ -385,7 +391,6 @@ static void continue_connect_locked(grpc_exec_ctx *exec_ctx, grpc_connect_in_args args; args.interested_parties = c->pollset_set; - args.addr = c->addr; args.deadline = c->next_attempt; args.channel_args = c->args; args.initial_connect_string = c->initial_connect_string; @@ -769,3 +774,37 @@ grpc_call_stack *grpc_subchannel_call_get_call_stack( grpc_subchannel_call *subchannel_call) { return SUBCHANNEL_CALL_TO_CALL_STACK(subchannel_call); } + +static void grpc_uri_to_sockaddr(char *uri_str, grpc_resolved_address *addr) { + grpc_uri *uri = grpc_uri_parse(uri_str, 0 /* suppress_errors */); + GPR_ASSERT(uri != NULL); + if (strcmp(uri->scheme, "ipv4") == 0) { + GPR_ASSERT(parse_ipv4(uri, addr)); + } else if (strcmp(uri->scheme, "ipv6") == 0) { + GPR_ASSERT(parse_ipv6(uri, addr)); + } else { + GPR_ASSERT(parse_unix(uri, addr)); + } + grpc_uri_destroy(uri); +} + +void grpc_get_subchannel_address_arg(const grpc_channel_args *args, + grpc_resolved_address *addr) { + const grpc_arg *addr_arg = + grpc_channel_args_find(args, GRPC_ARG_SUBCHANNEL_ADDRESS); + GPR_ASSERT(addr_arg != NULL); // Should have been set by LB policy. + GPR_ASSERT(addr_arg->type == GRPC_ARG_STRING); + memset(addr, 0, sizeof(*addr)); + if (*addr_arg->value.string != '\0') { + grpc_uri_to_sockaddr(addr_arg->value.string, addr); + } +} + +grpc_arg grpc_create_subchannel_address_arg(const grpc_resolved_address *addr) { + grpc_arg new_arg; + new_arg.key = GRPC_ARG_SUBCHANNEL_ADDRESS; + new_arg.type = GRPC_ARG_STRING; + new_arg.value.string = + addr->len > 0 ? grpc_sockaddr_to_uri(addr) : gpr_strdup(""); + return new_arg; +} |