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-rw-r--r--src/core/ext/filters/client_channel/lb_policy_factory.c33
-rw-r--r--src/core/ext/filters/client_channel/lb_policy_factory.h22
-rw-r--r--src/core/ext/filters/client_channel/parse_address.c44
-rw-r--r--src/core/ext/filters/client_channel/parse_address.h19
-rw-r--r--src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.c6
-rw-r--r--src/core/ext/filters/client_channel/subchannel.c8
-rw-r--r--src/core/ext/filters/client_channel/uri_parser.c4
-rw-r--r--src/core/ext/filters/client_channel/uri_parser.h2
-rw-r--r--src/core/lib/channel/channel_args.c11
-rw-r--r--src/core/lib/channel/channel_args.h3
-rw-r--r--src/core/lib/iomgr/sockaddr_utils.h2
-rw-r--r--src/core/lib/security/credentials/fake/fake_credentials.c23
-rw-r--r--src/core/lib/security/credentials/fake/fake_credentials.h21
-rw-r--r--src/core/lib/security/transport/security_connector.c8
14 files changed, 147 insertions, 59 deletions
diff --git a/src/core/ext/filters/client_channel/lb_policy_factory.c b/src/core/ext/filters/client_channel/lb_policy_factory.c
index e2af216b89..89b8bf8951 100644
--- a/src/core/ext/filters/client_channel/lb_policy_factory.c
+++ b/src/core/ext/filters/client_channel/lb_policy_factory.c
@@ -36,16 +36,18 @@
#include <grpc/support/alloc.h>
#include <grpc/support/string_util.h>
+#include "src/core/lib/channel/channel_args.h"
+
#include "src/core/ext/filters/client_channel/lb_policy_factory.h"
+#include "src/core/ext/filters/client_channel/parse_address.h"
grpc_lb_addresses* grpc_lb_addresses_create(
size_t num_addresses, const grpc_lb_user_data_vtable* user_data_vtable) {
- grpc_lb_addresses* addresses = gpr_malloc(sizeof(grpc_lb_addresses));
+ grpc_lb_addresses* addresses = gpr_zalloc(sizeof(grpc_lb_addresses));
addresses->num_addresses = num_addresses;
addresses->user_data_vtable = user_data_vtable;
const size_t addresses_size = sizeof(grpc_lb_address) * num_addresses;
- addresses->addresses = gpr_malloc(addresses_size);
- memset(addresses->addresses, 0, addresses_size);
+ addresses->addresses = gpr_zalloc(addresses_size);
return addresses;
}
@@ -69,7 +71,7 @@ grpc_lb_addresses* grpc_lb_addresses_copy(const grpc_lb_addresses* addresses) {
void grpc_lb_addresses_set_address(grpc_lb_addresses* addresses, size_t index,
void* address, size_t address_len,
- bool is_balancer, char* balancer_name,
+ bool is_balancer, const char* balancer_name,
void* user_data) {
GPR_ASSERT(index < addresses->num_addresses);
if (user_data != NULL) GPR_ASSERT(addresses->user_data_vtable != NULL);
@@ -77,10 +79,22 @@ void grpc_lb_addresses_set_address(grpc_lb_addresses* addresses, size_t index,
memcpy(target->address.addr, address, address_len);
target->address.len = address_len;
target->is_balancer = is_balancer;
- target->balancer_name = balancer_name;
+ target->balancer_name = gpr_strdup(balancer_name);
target->user_data = user_data;
}
+bool grpc_lb_addresses_set_address_from_uri(grpc_lb_addresses* addresses,
+ size_t index, const grpc_uri* uri,
+ bool is_balancer,
+ const char* balancer_name,
+ void* user_data) {
+ grpc_resolved_address address;
+ if (!grpc_parse_uri(uri, &address)) return false;
+ grpc_lb_addresses_set_address(addresses, index, address.addr, address.len,
+ is_balancer, balancer_name, user_data);
+ return true;
+}
+
int grpc_lb_addresses_cmp(const grpc_lb_addresses* addresses1,
const grpc_lb_addresses* addresses2) {
if (addresses1->num_addresses > addresses2->num_addresses) return 1;
@@ -147,6 +161,15 @@ grpc_arg grpc_lb_addresses_create_channel_arg(
return arg;
}
+grpc_lb_addresses* grpc_lb_addresses_find_channel_arg(
+ const grpc_channel_args* channel_args) {
+ const grpc_arg* lb_addresses_arg =
+ grpc_channel_args_find(channel_args, GRPC_ARG_LB_ADDRESSES);
+ if (lb_addresses_arg == NULL || lb_addresses_arg->type != GRPC_ARG_POINTER)
+ return NULL;
+ return lb_addresses_arg->value.pointer.p;
+}
+
void grpc_lb_policy_factory_ref(grpc_lb_policy_factory* factory) {
factory->vtable->ref(factory);
}
diff --git a/src/core/ext/filters/client_channel/lb_policy_factory.h b/src/core/ext/filters/client_channel/lb_policy_factory.h
index 81ab12ec8f..9d6c0fc139 100644
--- a/src/core/ext/filters/client_channel/lb_policy_factory.h
+++ b/src/core/ext/filters/client_channel/lb_policy_factory.h
@@ -34,12 +34,13 @@
#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_FACTORY_H
#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_FACTORY_H
-#include "src/core/ext/filters/client_channel/client_channel_factory.h"
-#include "src/core/ext/filters/client_channel/lb_policy.h"
-
#include "src/core/lib/iomgr/exec_ctx.h"
#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/ext/filters/client_channel/client_channel_factory.h"
+#include "src/core/ext/filters/client_channel/lb_policy.h"
+#include "src/core/ext/filters/client_channel/uri_parser.h"
+
// Channel arg key for grpc_lb_addresses.
#define GRPC_ARG_LB_ADDRESSES "grpc.lb_addresses"
@@ -88,9 +89,18 @@ grpc_lb_addresses *grpc_lb_addresses_copy(const grpc_lb_addresses *addresses);
* Takes ownership of \a balancer_name. */
void grpc_lb_addresses_set_address(grpc_lb_addresses *addresses, size_t index,
void *address, size_t address_len,
- bool is_balancer, char *balancer_name,
+ bool is_balancer, const char *balancer_name,
void *user_data);
+/** Sets the value of the address at index \a index of \a addresses from \a uri.
+ * Returns true upon success, false otherwise. Takes ownership of \a
+ * balancer_name. */
+bool grpc_lb_addresses_set_address_from_uri(grpc_lb_addresses *addresses,
+ size_t index, const grpc_uri *uri,
+ bool is_balancer,
+ const char *balancer_name,
+ void *user_data);
+
/** Compares \a addresses1 and \a addresses2. */
int grpc_lb_addresses_cmp(const grpc_lb_addresses *addresses1,
const grpc_lb_addresses *addresses2);
@@ -103,6 +113,10 @@ void grpc_lb_addresses_destroy(grpc_exec_ctx *exec_ctx,
grpc_arg grpc_lb_addresses_create_channel_arg(
const grpc_lb_addresses *addresses);
+/** Returns the \a grpc_lb_addresses instance in \a channel_args or NULL */
+grpc_lb_addresses *grpc_lb_addresses_find_channel_arg(
+ const grpc_channel_args *channel_args);
+
/** Arguments passed to LB policies. */
typedef struct grpc_lb_policy_args {
grpc_client_channel_factory *client_channel_factory;
diff --git a/src/core/ext/filters/client_channel/parse_address.c b/src/core/ext/filters/client_channel/parse_address.c
index 0c97062075..edc6ce697d 100644
--- a/src/core/ext/filters/client_channel/parse_address.c
+++ b/src/core/ext/filters/client_channel/parse_address.c
@@ -48,7 +48,12 @@
#ifdef GRPC_HAVE_UNIX_SOCKET
-int parse_unix(grpc_uri *uri, grpc_resolved_address *resolved_addr) {
+bool grpc_parse_unix(const grpc_uri *uri,
+ grpc_resolved_address *resolved_addr) {
+ if (strcmp("unix", uri->scheme) != 0) {
+ gpr_log(GPR_ERROR, "Expected 'unix' scheme, got '%s'", uri->scheme);
+ return false;
+ }
struct sockaddr_un *un = (struct sockaddr_un *)resolved_addr->addr;
const size_t maxlen = sizeof(un->sun_path);
const size_t path_len = strnlen(uri->path, maxlen);
@@ -61,21 +66,29 @@ int parse_unix(grpc_uri *uri, grpc_resolved_address *resolved_addr) {
#else /* GRPC_HAVE_UNIX_SOCKET */
-int parse_unix(grpc_uri *uri, grpc_resolved_address *resolved_addr) { abort(); }
+bool grpc_parse_unix(const grpc_uri *uri,
+ grpc_resolved_address *resolved_addr) {
+ abort();
+}
#endif /* GRPC_HAVE_UNIX_SOCKET */
-int parse_ipv4(grpc_uri *uri, grpc_resolved_address *resolved_addr) {
+bool grpc_parse_ipv4(const grpc_uri *uri,
+ grpc_resolved_address *resolved_addr) {
+ if (strcmp("ipv4", uri->scheme) != 0) {
+ gpr_log(GPR_ERROR, "Expected 'ipv4' scheme, got '%s'", uri->scheme);
+ return false;
+ }
const char *host_port = uri->path;
char *host;
char *port;
int port_num;
- int result = 0;
+ bool result = false;
struct sockaddr_in *in = (struct sockaddr_in *)resolved_addr->addr;
if (*host_port == '/') ++host_port;
if (!gpr_split_host_port(host_port, &host, &port)) {
- return 0;
+ return false;
}
memset(resolved_addr, 0, sizeof(grpc_resolved_address));
@@ -98,14 +111,19 @@ int parse_ipv4(grpc_uri *uri, grpc_resolved_address *resolved_addr) {
goto done;
}
- result = 1;
+ result = true;
done:
gpr_free(host);
gpr_free(port);
return result;
}
-int parse_ipv6(grpc_uri *uri, grpc_resolved_address *resolved_addr) {
+bool grpc_parse_ipv6(const grpc_uri *uri,
+ grpc_resolved_address *resolved_addr) {
+ if (strcmp("ipv6", uri->scheme) != 0) {
+ gpr_log(GPR_ERROR, "Expected 'ipv6' scheme, got '%s'", uri->scheme);
+ return false;
+ }
const char *host_port = uri->path;
char *host;
char *port;
@@ -168,3 +186,15 @@ done:
gpr_free(port);
return result;
}
+
+bool grpc_parse_uri(const grpc_uri *uri, grpc_resolved_address *resolved_addr) {
+ if (strcmp("unix", uri->scheme) == 0) {
+ return grpc_parse_unix(uri, resolved_addr);
+ } else if (strcmp("ipv4", uri->scheme) == 0) {
+ return grpc_parse_ipv4(uri, resolved_addr);
+ } else if (strcmp("ipv6", uri->scheme) == 0) {
+ return grpc_parse_ipv6(uri, resolved_addr);
+ }
+ gpr_log(GPR_ERROR, "Can't parse scheme '%s'", uri->scheme);
+ return false;
+}
diff --git a/src/core/ext/filters/client_channel/parse_address.h b/src/core/ext/filters/client_channel/parse_address.h
index c8d77baa00..fa7ea33a00 100644
--- a/src/core/ext/filters/client_channel/parse_address.h
+++ b/src/core/ext/filters/client_channel/parse_address.h
@@ -39,16 +39,19 @@
#include "src/core/ext/filters/client_channel/uri_parser.h"
#include "src/core/lib/iomgr/resolve_address.h"
-/** Populate \a addr and \a len from \a uri, whose path is expected to contain a
+/** Populate \a resolved_addr from \a uri, whose path is expected to contain a
* unix socket path. Returns true upon success. */
-int parse_unix(grpc_uri *uri, grpc_resolved_address *resolved_addr);
+bool grpc_parse_unix(const grpc_uri *uri, grpc_resolved_address *resolved_addr);
-/** Populate /a addr and \a len from \a uri, whose path is expected to contain a
- * host:port pair. Returns true upon success. */
-int parse_ipv4(grpc_uri *uri, grpc_resolved_address *resolved_addr);
+/** Populate \a resolved_addr from \a uri, whose path is expected to contain an
+ * IPv4 host:port pair. Returns true upon success. */
+bool grpc_parse_ipv4(const grpc_uri *uri, grpc_resolved_address *resolved_addr);
-/** Populate /a addr and \a len from \a uri, whose path is expected to contain a
- * host:port pair. Returns true upon success. */
-int parse_ipv6(grpc_uri *uri, grpc_resolved_address *resolved_addr);
+/** Populate \a resolved_addr from \a uri, whose path is expected to contain an
+ * IPv6 host:port pair. Returns true upon success. */
+bool grpc_parse_ipv6(const grpc_uri *uri, grpc_resolved_address *resolved_addr);
+
+/** Populate \a resolved_addr from \a uri. Returns true upon success. */
+bool grpc_parse_uri(const grpc_uri *uri, grpc_resolved_address *resolved_addr);
#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_PARSE_ADDRESS_H */
diff --git a/src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.c b/src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.c
index 54f020d691..4d7d878c23 100644
--- a/src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.c
+++ b/src/core/ext/filters/client_channel/resolver/sockaddr/sockaddr_resolver.c
@@ -157,8 +157,8 @@ static void do_nothing(void *ignored) {}
static grpc_resolver *sockaddr_create(grpc_exec_ctx *exec_ctx,
grpc_resolver_args *args,
- int parse(grpc_uri *uri,
- grpc_resolved_address *dst)) {
+ bool parse(const grpc_uri *uri,
+ grpc_resolved_address *dst)) {
if (0 != strcmp(args->uri->authority, "")) {
gpr_log(GPR_ERROR, "authority based uri's not supported by the %s scheme",
args->uri->scheme);
@@ -209,7 +209,7 @@ static void sockaddr_factory_unref(grpc_resolver_factory *factory) {}
static grpc_resolver *name##_factory_create_resolver( \
grpc_exec_ctx *exec_ctx, grpc_resolver_factory *factory, \
grpc_resolver_args *args) { \
- return sockaddr_create(exec_ctx, args, parse_##name); \
+ return sockaddr_create(exec_ctx, args, grpc_parse_##name); \
} \
static const grpc_resolver_factory_vtable name##_factory_vtable = { \
sockaddr_factory_ref, sockaddr_factory_unref, \
diff --git a/src/core/ext/filters/client_channel/subchannel.c b/src/core/ext/filters/client_channel/subchannel.c
index 9a7a7a0ee5..362b4a4a28 100644
--- a/src/core/ext/filters/client_channel/subchannel.c
+++ b/src/core/ext/filters/client_channel/subchannel.c
@@ -797,13 +797,7 @@ static void grpc_uri_to_sockaddr(grpc_exec_ctx *exec_ctx, const char *uri_str,
grpc_resolved_address *addr) {
grpc_uri *uri = grpc_uri_parse(exec_ctx, 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));
- }
+ if (!grpc_parse_uri(uri, addr)) memset(addr, 0, sizeof(*addr));
grpc_uri_destroy(uri);
}
diff --git a/src/core/ext/filters/client_channel/uri_parser.c b/src/core/ext/filters/client_channel/uri_parser.c
index f28db59e27..b233d835cb 100644
--- a/src/core/ext/filters/client_channel/uri_parser.c
+++ b/src/core/ext/filters/client_channel/uri_parser.c
@@ -50,7 +50,7 @@
#define NOT_SET (~(size_t)0)
static grpc_uri *bad_uri(const char *uri_text, size_t pos, const char *section,
- int suppress_errors) {
+ bool suppress_errors) {
char *line_prefix;
size_t pfx_len;
@@ -197,7 +197,7 @@ static void parse_query_parts(grpc_uri *uri) {
}
grpc_uri *grpc_uri_parse(grpc_exec_ctx *exec_ctx, const char *uri_text,
- int suppress_errors) {
+ bool suppress_errors) {
grpc_uri *uri;
size_t scheme_begin = 0;
size_t scheme_end = NOT_SET;
diff --git a/src/core/ext/filters/client_channel/uri_parser.h b/src/core/ext/filters/client_channel/uri_parser.h
index 2698d448d8..b889040b16 100644
--- a/src/core/ext/filters/client_channel/uri_parser.h
+++ b/src/core/ext/filters/client_channel/uri_parser.h
@@ -53,7 +53,7 @@ typedef struct {
/** parse a uri, return NULL on failure */
grpc_uri *grpc_uri_parse(grpc_exec_ctx *exec_ctx, const char *uri_text,
- int suppress_errors);
+ bool suppress_errors);
/** return the part of a query string after the '=' in "?key=xxx&...", or NULL
* if key is not present */
diff --git a/src/core/lib/channel/channel_args.c b/src/core/lib/channel/channel_args.c
index 3de31d99da..238d176dfa 100644
--- a/src/core/lib/channel/channel_args.c
+++ b/src/core/lib/channel/channel_args.c
@@ -31,17 +31,18 @@
*
*/
-#include "src/core/lib/channel/channel_args.h"
-#include <grpc/grpc.h>
-#include "src/core/lib/support/string.h"
+#include <limits.h>
+#include <string.h>
#include <grpc/compression.h>
+#include <grpc/grpc.h>
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
#include <grpc/support/useful.h>
-#include <string.h>
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/support/string.h"
static grpc_arg copy_arg(const grpc_arg *src) {
grpc_arg dst;
@@ -330,7 +331,7 @@ const grpc_arg *grpc_channel_args_find(const grpc_channel_args *args,
}
int grpc_channel_arg_get_integer(const grpc_arg *arg,
- grpc_integer_options options) {
+ const grpc_integer_options options) {
if (arg == NULL) return options.default_value;
if (arg->type != GRPC_ARG_INTEGER) {
gpr_log(GPR_ERROR, "%s ignored: it must be an integer", arg->key);
diff --git a/src/core/lib/channel/channel_args.h b/src/core/lib/channel/channel_args.h
index 5ffcacb7fd..f0f603e251 100644
--- a/src/core/lib/channel/channel_args.h
+++ b/src/core/lib/channel/channel_args.h
@@ -120,9 +120,10 @@ typedef struct grpc_integer_options {
int min_value;
int max_value;
} grpc_integer_options;
+
/** Returns the value of \a arg, subject to the contraints in \a options. */
int grpc_channel_arg_get_integer(const grpc_arg *arg,
- grpc_integer_options options);
+ const grpc_integer_options options);
bool grpc_channel_arg_get_bool(const grpc_arg *arg, bool default_value);
diff --git a/src/core/lib/iomgr/sockaddr_utils.h b/src/core/lib/iomgr/sockaddr_utils.h
index 2b22f11b49..be3ea2038f 100644
--- a/src/core/lib/iomgr/sockaddr_utils.h
+++ b/src/core/lib/iomgr/sockaddr_utils.h
@@ -50,7 +50,7 @@ int grpc_sockaddr_to_v4mapped(const grpc_resolved_address *addr,
grpc_resolved_address *addr6_out);
/* If addr is ::, 0.0.0.0, or ::ffff:0.0.0.0, writes the port number to
- *port_out (if not NULL) and returns true, otherwise returns false. */
+ *port_out (if not NULL) and returns true, otherwise returns false. */
int grpc_sockaddr_is_wildcard(const grpc_resolved_address *addr, int *port_out);
/* Writes 0.0.0.0:port and [::]:port to separate sockaddrs. */
diff --git a/src/core/lib/security/credentials/fake/fake_credentials.c b/src/core/lib/security/credentials/fake/fake_credentials.c
index 68636ba208..3fdb67fb91 100644
--- a/src/core/lib/security/credentials/fake/fake_credentials.c
+++ b/src/core/lib/security/credentials/fake/fake_credentials.c
@@ -39,11 +39,15 @@
#include <grpc/support/log.h>
#include <grpc/support/string_util.h>
+#include "src/core/lib/channel/channel_args.h"
#include "src/core/lib/iomgr/executor.h"
#include "src/core/lib/support/string.h"
/* -- Fake transport security credentials. -- */
+#define GRPC_ARG_FAKE_SECURITY_EXPECTED_TARGETS \
+ "grpc.fake_security.expected_targets"
+
static grpc_security_status fake_transport_security_create_security_connector(
grpc_exec_ctx *exec_ctx, grpc_channel_credentials *c,
grpc_call_credentials *call_creds, const char *target,
@@ -88,6 +92,25 @@ grpc_server_credentials *grpc_fake_transport_security_server_credentials_create(
return c;
}
+grpc_arg grpc_fake_transport_expected_targets_arg(char *expected_targets) {
+ grpc_arg arg;
+ arg.type = GRPC_ARG_STRING;
+ arg.key = GRPC_ARG_FAKE_SECURITY_EXPECTED_TARGETS;
+ arg.value.string = expected_targets;
+ return arg;
+}
+
+const char *grpc_fake_transport_get_expected_targets(
+ const grpc_channel_args *args) {
+ const grpc_arg *expected_target_arg =
+ grpc_channel_args_find(args, GRPC_ARG_FAKE_SECURITY_EXPECTED_TARGETS);
+ if (expected_target_arg != NULL &&
+ expected_target_arg->type == GRPC_ARG_STRING) {
+ return expected_target_arg->value.string;
+ }
+ return NULL;
+}
+
/* -- Metadata-only test credentials. -- */
static void md_only_test_destruct(grpc_exec_ctx *exec_ctx,
diff --git a/src/core/lib/security/credentials/fake/fake_credentials.h b/src/core/lib/security/credentials/fake/fake_credentials.h
index 0fe98417c6..a28b545a67 100644
--- a/src/core/lib/security/credentials/fake/fake_credentials.h
+++ b/src/core/lib/security/credentials/fake/fake_credentials.h
@@ -38,10 +38,17 @@
/* -- Fake transport security credentials. -- */
+/* Creates a fake transport security credentials object for testing. */
+grpc_channel_credentials *grpc_fake_transport_security_credentials_create(void);
+
+/* Creates a fake server transport security credentials object for testing. */
+grpc_server_credentials *grpc_fake_transport_security_server_credentials_create(
+ void);
+
/* Used to verify the target names given to the fake transport security
* connector.
*
- * Its syntax by example:
+ * The syntax of \a expected_targets by example:
* For LB channels:
* "backend_target_1,backend_target_2,...;lb_target_1,lb_target_2,..."
* For regular channels:
@@ -50,15 +57,11 @@
* That is to say, LB channels have a heading list of LB targets separated from
* the list of backend targets by a semicolon. For non-LB channels, only the
* latter is present. */
-#define GRPC_ARG_FAKE_SECURITY_EXPECTED_TARGETS \
- "grpc.test_only.fake_security.expected_target"
+grpc_arg grpc_fake_transport_expected_targets_arg(char *expected_targets);
-/* Creates a fake transport security credentials object for testing. */
-grpc_channel_credentials *grpc_fake_transport_security_credentials_create(void);
-
-/* Creates a fake server transport security credentials object for testing. */
-grpc_server_credentials *grpc_fake_transport_security_server_credentials_create(
- void);
+/* Return the value associated with the expected targets channel arg or NULL */
+const char *grpc_fake_transport_get_expected_targets(
+ const grpc_channel_args *args);
/* -- Metadata-only Test credentials. -- */
diff --git a/src/core/lib/security/transport/security_connector.c b/src/core/lib/security/transport/security_connector.c
index dbe3263f92..b15196e677 100644
--- a/src/core/lib/security/transport/security_connector.c
+++ b/src/core/lib/security/transport/security_connector.c
@@ -423,12 +423,8 @@ grpc_channel_security_connector *grpc_fake_channel_security_connector_create(
c->base.check_call_host = fake_channel_check_call_host;
c->base.add_handshakers = fake_channel_add_handshakers;
c->target = gpr_strdup(target);
- const grpc_arg *expected_target_arg =
- grpc_channel_args_find(args, GRPC_ARG_FAKE_SECURITY_EXPECTED_TARGETS);
- if (expected_target_arg != NULL) {
- GPR_ASSERT(expected_target_arg->type == GRPC_ARG_STRING);
- c->expected_targets = gpr_strdup(expected_target_arg->value.string);
- }
+ const char *expected_targets = grpc_fake_transport_get_expected_targets(args);
+ c->expected_targets = gpr_strdup(expected_targets);
c->is_lb_channel = (grpc_lb_targets_info_find_in_args(args) != NULL);
return &c->base;
}