diff options
Diffstat (limited to 'src/core/lib/client_config/lb_policies/pick_first.c')
-rw-r--r-- | src/core/lib/client_config/lb_policies/pick_first.c | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/src/core/lib/client_config/lb_policies/pick_first.c b/src/core/lib/client_config/lb_policies/pick_first.c index 2e399b73f9..9ac550d9e7 100644 --- a/src/core/lib/client_config/lb_policies/pick_first.c +++ b/src/core/lib/client_config/lb_policies/pick_first.c @@ -32,11 +32,11 @@ */ #include "src/core/lib/client_config/lb_policies/pick_first.h" -#include "src/core/lib/client_config/lb_policy_factory.h" #include <string.h> #include <grpc/support/alloc.h> +#include "src/core/lib/client_config/lb_policy_factory.h" #include "src/core/lib/transport/connectivity_state.h" typedef struct pending_pick { @@ -391,19 +391,42 @@ static void pick_first_factory_ref(grpc_lb_policy_factory *factory) {} static void pick_first_factory_unref(grpc_lb_policy_factory *factory) {} -static grpc_lb_policy *create_pick_first(grpc_lb_policy_factory *factory, +static grpc_lb_policy *create_pick_first(grpc_exec_ctx *exec_ctx, + grpc_lb_policy_factory *factory, grpc_lb_policy_args *args) { - if (args->num_subchannels == 0) return NULL; + GPR_ASSERT(args->addresses != NULL); + GPR_ASSERT(args->subchannel_factory != NULL); + + if (args->addresses->naddrs == 0) return NULL; + pick_first_lb_policy *p = gpr_malloc(sizeof(*p)); memset(p, 0, sizeof(*p)); - grpc_lb_policy_init(&p->base, &pick_first_lb_policy_vtable); + p->subchannels = - gpr_malloc(sizeof(grpc_subchannel *) * args->num_subchannels); - p->num_subchannels = args->num_subchannels; - grpc_connectivity_state_init(&p->state_tracker, GRPC_CHANNEL_IDLE, - "pick_first"); - memcpy(p->subchannels, args->subchannels, - sizeof(grpc_subchannel *) * args->num_subchannels); + gpr_malloc(sizeof(grpc_subchannel *) * args->addresses->naddrs); + memset(p->subchannels, 0, sizeof(*p->subchannels) * args->addresses->naddrs); + grpc_subchannel_args sc_args; + size_t subchannel_idx = 0; + for (size_t i = 0; i < args->addresses->naddrs; i++) { + memset(&sc_args, 0, sizeof(grpc_subchannel_args)); + sc_args.addr = (struct sockaddr *)(args->addresses->addrs[i].addr); + sc_args.addr_len = (size_t)args->addresses->addrs[i].len; + + grpc_subchannel *subchannel = grpc_subchannel_factory_create_subchannel( + exec_ctx, args->subchannel_factory, &sc_args); + + if (subchannel != NULL) { + p->subchannels[subchannel_idx++] = subchannel; + } + } + if (subchannel_idx == 0) { + gpr_free(p->subchannels); + gpr_free(p); + return NULL; + } + p->num_subchannels = subchannel_idx; + + grpc_lb_policy_init(&p->base, &pick_first_lb_policy_vtable); grpc_closure_init(&p->connectivity_changed, pf_connectivity_changed, p); gpr_mu_init(&p->mu); return &p->base; |