int main(int argc, char **argv) {
int result = 0;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
synchronizer sync;
grpc_channel_credentials *creds = NULL;
char *service_url = "https://test.foo.google.com/Foo";
grpc_auth_metadata_context context;
gpr_cmdline *cl = gpr_cmdline_create("print_google_default_creds_token");
gpr_cmdline_add_string(cl, "service_url",
"Service URL for the token request.", &service_url);
gpr_cmdline_parse(cl, argc, argv);
memset(&context, 0, sizeof(context));
context.service_url = service_url;
grpc_init();
creds = grpc_google_default_credentials_create();
if (creds == NULL) {
fprintf(stderr, "\nCould not find default credentials.\n\n");
result = 1;
goto end;
}
grpc_pollset *pollset = gpr_malloc(grpc_pollset_size());
grpc_pollset_init(pollset, &sync.mu);
sync.pops = grpc_polling_entity_create_from_pollset(pollset);
sync.is_done = 0;
grpc_call_credentials_get_request_metadata(
&exec_ctx, ((grpc_composite_channel_credentials *)creds)->call_creds,
&sync.pops, context, on_metadata_response, &sync);
gpr_mu_lock(sync.mu);
while (!sync.is_done) {
grpc_pollset_worker *worker = NULL;
if (!GRPC_LOG_IF_ERROR(
"pollset_work",
grpc_pollset_work(&exec_ctx,
grpc_polling_entity_pollset(&sync.pops), &worker,
gpr_now(GPR_CLOCK_MONOTONIC),
gpr_inf_future(GPR_CLOCK_MONOTONIC))))
sync.is_done = 1;
gpr_mu_unlock(sync.mu);
grpc_exec_ctx_flush(&exec_ctx);
gpr_mu_lock(sync.mu);
}
gpr_mu_unlock(sync.mu);
grpc_exec_ctx_finish(&exec_ctx);
grpc_channel_credentials_release(creds);
gpr_free(grpc_polling_entity_pollset(&sync.pops));
end:
gpr_cmdline_destroy(cl);
grpc_shutdown();
return result;
}
static void partly_done(grpc_exec_ctx *exec_ctx, state_watcher *w,
bool due_to_completion, grpc_error *error) {
if (due_to_completion) {
grpc_timer_cancel(exec_ctx, &w->alarm);
} else {
grpc_channel_element *client_channel_elem = grpc_channel_stack_last_element(
grpc_channel_get_channel_stack(w->channel));
grpc_client_channel_watch_connectivity_state(
exec_ctx, client_channel_elem,
grpc_polling_entity_create_from_pollset(grpc_cq_pollset(w->cq)), NULL,
&w->on_complete, NULL);
}
gpr_mu_lock(&w->mu);
if (due_to_completion) {
if (GRPC_TRACER_ON(grpc_trace_operation_failures)) {
GRPC_LOG_IF_ERROR("watch_completion_error", GRPC_ERROR_REF(error));
}
GRPC_ERROR_UNREF(error);
error = GRPC_ERROR_NONE;
} else {
if (error == GRPC_ERROR_NONE) {
error = GRPC_ERROR_CREATE_FROM_STATIC_STRING(
"Timed out waiting for connection state change");
} else if (error == GRPC_ERROR_CANCELLED) {
error = GRPC_ERROR_NONE;
}
}
switch (w->phase) {
case WAITING:
GRPC_ERROR_REF(error);
w->error = error;
w->phase = READY_TO_CALL_BACK;
break;
case READY_TO_CALL_BACK:
if (error != GRPC_ERROR_NONE) {
GPR_ASSERT(!due_to_completion);
GRPC_ERROR_UNREF(w->error);
GRPC_ERROR_REF(error);
w->error = error;
}
w->phase = CALLING_BACK_AND_FINISHED;
grpc_cq_end_op(exec_ctx, w->cq, w->tag, w->error, finished_completion, w,
&w->completion_storage);
break;
case CALLING_BACK_AND_FINISHED:
GPR_UNREACHABLE_CODE(return );
break;
}
gpr_mu_unlock(&w->mu);
GRPC_ERROR_UNREF(error);
}
void grpc_free_port_using_server(char *server, int port) {
grpc_httpcli_context context;
grpc_httpcli_request req;
grpc_httpcli_response rsp;
freereq pr;
char *path;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_closure *shutdown_closure;
grpc_init();
memset(&pr, 0, sizeof(pr));
memset(&req, 0, sizeof(req));
memset(&rsp, 0, sizeof(rsp));
grpc_pollset *pollset = gpr_malloc(grpc_pollset_size());
grpc_pollset_init(pollset, &pr.mu);
pr.pops = grpc_polling_entity_create_from_pollset(pollset);
shutdown_closure = grpc_closure_create(destroy_pops_and_shutdown, &pr.pops);
req.host = server;
gpr_asprintf(&path, "/drop/%d", port);
req.http.path = path;
grpc_httpcli_context_init(&context);
grpc_resource_quota *resource_quota =
grpc_resource_quota_create("port_server_client/free");
grpc_httpcli_get(&exec_ctx, &context, &pr.pops, resource_quota, &req,
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10),
grpc_closure_create(freed_port_from_server, &pr), &rsp);
grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
gpr_mu_lock(pr.mu);
while (!pr.done) {
grpc_pollset_worker *worker = NULL;
if (!GRPC_LOG_IF_ERROR(
"pollset_work",
grpc_pollset_work(&exec_ctx, grpc_polling_entity_pollset(&pr.pops),
&worker, gpr_now(GPR_CLOCK_MONOTONIC),
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1)))) {
pr.done = 1;
}
}
gpr_mu_unlock(pr.mu);
grpc_httpcli_context_destroy(&context);
grpc_exec_ctx_finish(&exec_ctx);
grpc_pollset_shutdown(&exec_ctx, grpc_polling_entity_pollset(&pr.pops),
shutdown_closure);
grpc_exec_ctx_finish(&exec_ctx);
gpr_free(path);
grpc_http_response_destroy(&rsp);
}
int grpc_pick_port_using_server(char *server) {
grpc_httpcli_context context;
grpc_httpcli_request req;
portreq pr;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_closure *shutdown_closure;
grpc_init();
memset(&pr, 0, sizeof(pr));
memset(&req, 0, sizeof(req));
grpc_pollset *pollset = gpr_malloc(grpc_pollset_size());
grpc_pollset_init(pollset, &pr.mu);
pr.pops = grpc_polling_entity_create_from_pollset(pollset);
shutdown_closure = grpc_closure_create(destroy_pops_and_shutdown, &pr.pops);
pr.port = -1;
pr.server = server;
pr.ctx = &context;
req.host = server;
req.http.path = "/get";
grpc_httpcli_context_init(&context);
grpc_resource_quota *resource_quota =
grpc_resource_quota_create("port_server_client/pick");
grpc_httpcli_get(&exec_ctx, &context, &pr.pops, resource_quota, &req,
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(10),
grpc_closure_create(got_port_from_server, &pr),
&pr.response);
grpc_resource_quota_internal_unref(&exec_ctx, resource_quota);
grpc_exec_ctx_finish(&exec_ctx);
gpr_mu_lock(pr.mu);
while (pr.port == -1) {
grpc_pollset_worker *worker = NULL;
if (!GRPC_LOG_IF_ERROR(
"pollset_work",
grpc_pollset_work(&exec_ctx, grpc_polling_entity_pollset(&pr.pops),
&worker, gpr_now(GPR_CLOCK_MONOTONIC),
GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1)))) {
pr.port = 0;
}
}
gpr_mu_unlock(pr.mu);
grpc_http_response_destroy(&pr.response);
grpc_httpcli_context_destroy(&context);
grpc_pollset_shutdown(&exec_ctx, grpc_polling_entity_pollset(&pr.pops),
shutdown_closure);
grpc_exec_ctx_finish(&exec_ctx);
return pr.port;
}
void grpc_channel_watch_connectivity_state(
grpc_channel *channel, grpc_connectivity_state last_observed_state,
gpr_timespec deadline, grpc_completion_queue *cq, void *tag) {
grpc_channel_element *client_channel_elem =
grpc_channel_stack_last_element(grpc_channel_get_channel_stack(channel));
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
state_watcher *w = (state_watcher *)gpr_malloc(sizeof(*w));
GRPC_API_TRACE(
"grpc_channel_watch_connectivity_state("
"channel=%p, last_observed_state=%d, "
"deadline=gpr_timespec { tv_sec: %" PRId64
", tv_nsec: %d, clock_type: %d }, "
"cq=%p, tag=%p)",
7, (channel, (int)last_observed_state, deadline.tv_sec, deadline.tv_nsec,
(int)deadline.clock_type, cq, tag));
GPR_ASSERT(grpc_cq_begin_op(cq, tag));
gpr_mu_init(&w->mu);
GRPC_CLOSURE_INIT(&w->on_complete, watch_complete, w,
grpc_schedule_on_exec_ctx);
GRPC_CLOSURE_INIT(&w->on_timeout, timeout_complete, w,
grpc_schedule_on_exec_ctx);
w->phase = WAITING;
w->state = last_observed_state;
w->cq = cq;
w->tag = tag;
w->channel = channel;
w->error = NULL;
watcher_timer_init_arg *wa =
(watcher_timer_init_arg *)gpr_malloc(sizeof(watcher_timer_init_arg));
wa->w = w;
wa->deadline = deadline;
GRPC_CLOSURE_INIT(&w->watcher_timer_init, watcher_timer_init, wa,
grpc_schedule_on_exec_ctx);
if (client_channel_elem->filter == &grpc_client_channel_filter) {
GRPC_CHANNEL_INTERNAL_REF(channel, "watch_channel_connectivity");
grpc_client_channel_watch_connectivity_state(
&exec_ctx, client_channel_elem,
grpc_polling_entity_create_from_pollset(grpc_cq_pollset(cq)), &w->state,
&w->on_complete, &w->watcher_timer_init);
} else {
abort();
}
grpc_exec_ctx_finish(&exec_ctx);
}
/* Takes ownership of the header, claims and signature. */
static verifier_cb_ctx *verifier_cb_ctx_create(
grpc_jwt_verifier *verifier, grpc_pollset *pollset, jose_header *header,
grpc_jwt_claims *claims, const char *audience, grpc_slice signature,
const char *signed_jwt, size_t signed_jwt_len, void *user_data,
grpc_jwt_verification_done_cb cb) {
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
verifier_cb_ctx *ctx = gpr_malloc(sizeof(verifier_cb_ctx));
memset(ctx, 0, sizeof(verifier_cb_ctx));
ctx->verifier = verifier;
ctx->pollent = grpc_polling_entity_create_from_pollset(pollset);
ctx->header = header;
ctx->audience = gpr_strdup(audience);
ctx->claims = claims;
ctx->signature = signature;
ctx->signed_data = grpc_slice_from_copied_buffer(signed_jwt, signed_jwt_len);
ctx->user_data = user_data;
ctx->user_cb = cb;
grpc_exec_ctx_finish(&exec_ctx);
return ctx;
}
char *grpc_test_fetch_oauth2_token_with_credentials(
grpc_call_credentials *creds) {
oauth2_request request;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_closure do_nothing_closure;
grpc_auth_metadata_context null_ctx = {"", "", NULL, NULL};
grpc_pollset *pollset = gpr_malloc(grpc_pollset_size());
grpc_pollset_init(pollset, &request.mu);
request.pops = grpc_polling_entity_create_from_pollset(pollset);
request.is_done = 0;
grpc_closure_init(&do_nothing_closure, do_nothing, NULL);
grpc_call_credentials_get_request_metadata(
&exec_ctx, creds, &request.pops, null_ctx, on_oauth2_response, &request);
grpc_exec_ctx_finish(&exec_ctx);
gpr_mu_lock(request.mu);
while (!request.is_done) {
grpc_pollset_worker *worker = NULL;
if (!GRPC_LOG_IF_ERROR(
"pollset_work",
grpc_pollset_work(&exec_ctx,
grpc_polling_entity_pollset(&request.pops),
&worker, gpr_now(GPR_CLOCK_MONOTONIC),
gpr_inf_future(GPR_CLOCK_MONOTONIC)))) {
request.is_done = 1;
}
}
gpr_mu_unlock(request.mu);
grpc_pollset_shutdown(&exec_ctx, grpc_polling_entity_pollset(&request.pops),
&do_nothing_closure);
grpc_exec_ctx_finish(&exec_ctx);
gpr_free(grpc_polling_entity_pollset(&request.pops));
return request.token;
}
static int is_stack_running_on_compute_engine(grpc_exec_ctx *exec_ctx) {
compute_engine_detector detector;
grpc_httpcli_request request;
grpc_httpcli_context context;
grpc_closure destroy_closure;
/* The http call is local. If it takes more than one sec, it is for sure not
on compute engine. */
gpr_timespec max_detection_delay = gpr_time_from_seconds(1, GPR_TIMESPAN);
grpc_pollset *pollset = gpr_malloc(grpc_pollset_size());
grpc_pollset_init(pollset, &g_polling_mu);
detector.pollent = grpc_polling_entity_create_from_pollset(pollset);
detector.is_done = 0;
detector.success = 0;
memset(&detector.response, 0, sizeof(detector.response));
memset(&request, 0, sizeof(grpc_httpcli_request));
request.host = GRPC_COMPUTE_ENGINE_DETECTION_HOST;
request.http.path = "/";
grpc_httpcli_context_init(&context);
grpc_resource_quota *resource_quota =
grpc_resource_quota_create("google_default_credentials");
grpc_httpcli_get(
exec_ctx, &context, &detector.pollent, resource_quota, &request,
gpr_time_add(gpr_now(GPR_CLOCK_REALTIME), max_detection_delay),
grpc_closure_create(on_compute_engine_detection_http_response, &detector,
grpc_schedule_on_exec_ctx),
&detector.response);
grpc_resource_quota_unref_internal(exec_ctx, resource_quota);
grpc_exec_ctx_flush(exec_ctx);
/* Block until we get the response. This is not ideal but this should only be
called once for the lifetime of the process by the default credentials. */
gpr_mu_lock(g_polling_mu);
while (!detector.is_done) {
grpc_pollset_worker *worker = NULL;
if (!GRPC_LOG_IF_ERROR(
"pollset_work",
grpc_pollset_work(exec_ctx,
grpc_polling_entity_pollset(&detector.pollent),
&worker, gpr_now(GPR_CLOCK_MONOTONIC),
gpr_inf_future(GPR_CLOCK_MONOTONIC)))) {
detector.is_done = 1;
detector.success = 0;
}
}
gpr_mu_unlock(g_polling_mu);
grpc_httpcli_context_destroy(exec_ctx, &context);
grpc_closure_init(&destroy_closure, destroy_pollset,
grpc_polling_entity_pollset(&detector.pollent),
grpc_schedule_on_exec_ctx);
grpc_pollset_shutdown(exec_ctx,
grpc_polling_entity_pollset(&detector.pollent),
&destroy_closure);
g_polling_mu = NULL;
grpc_exec_ctx_flush(exec_ctx);
gpr_free(grpc_polling_entity_pollset(&detector.pollent));
grpc_http_response_destroy(&detector.response);
return detector.success;
}
int main(int argc, char **argv) {
grpc_closure destroyed;
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
gpr_subprocess *server;
char *me = argv[0];
char *lslash = strrchr(me, '/');
char *args[5];
int port = grpc_pick_unused_port_or_die();
int arg_shift = 0;
/* figure out where we are */
char *root;
if (lslash) {
root = gpr_malloc((size_t)(lslash - me + 1));
memcpy(root, me, (size_t)(lslash - me));
root[lslash - me] = 0;
} else {
root = gpr_strdup(".");
}
GPR_ASSERT(argc <= 2);
if (argc == 2) {
args[0] = gpr_strdup(argv[1]);
} else {
arg_shift = 1;
gpr_asprintf(&args[0], "%s/../../tools/distrib/python_wrapper.sh", root);
gpr_asprintf(&args[1], "%s/../../test/core/http/test_server.py", root);
}
/* start the server */
args[1 + arg_shift] = "--port";
gpr_asprintf(&args[2 + arg_shift], "%d", port);
args[3 + arg_shift] = "--ssl";
server = gpr_subprocess_create(4 + arg_shift, (const char **)args);
GPR_ASSERT(server);
gpr_free(args[0]);
if (arg_shift) gpr_free(args[1]);
gpr_free(args[2 + arg_shift]);
gpr_free(root);
gpr_sleep_until(gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
gpr_time_from_seconds(5, GPR_TIMESPAN)));
grpc_test_init(argc, argv);
grpc_init();
grpc_httpcli_context_init(&g_context);
grpc_pollset *pollset = gpr_malloc(grpc_pollset_size());
grpc_pollset_init(pollset, &g_mu);
g_pops = grpc_polling_entity_create_from_pollset(pollset);
test_get(port);
test_post(port);
grpc_httpcli_context_destroy(&g_context);
grpc_closure_init(&destroyed, destroy_pops, &g_pops);
grpc_pollset_shutdown(&exec_ctx, grpc_polling_entity_pollset(&g_pops),
&destroyed);
grpc_exec_ctx_finish(&exec_ctx);
grpc_shutdown();
gpr_free(grpc_polling_entity_pollset(&g_pops));
gpr_subprocess_destroy(server);
return 0;
}
