Add ipv4:, ipv6: schemes
diff --git a/src/core/client_config/README.md b/src/core/client_config/README.md
index d0700cf..fff7a5a 100644
--- a/src/core/client_config/README.md
+++ b/src/core/client_config/README.md
@@ -60,3 +60,7 @@
sockets - the authority must be empty, and the path
represents the absolute or relative path to the desired
socket
+
+ipv4:host:port - a pre-resolved ipv4 dotted decimal address/port combination
+
+ipv6:[host]:port - a pre-resolved ipv6 address/port combination
diff --git a/src/core/client_config/resolvers/sockaddr_resolver.c b/src/core/client_config/resolvers/sockaddr_resolver.c
new file mode 100644
index 0000000..d42f8b1
--- /dev/null
+++ b/src/core/client_config/resolvers/sockaddr_resolver.c
@@ -0,0 +1,297 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#include "src/core/client_config/resolvers/sockaddr_resolver.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/un.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/host_port.h>
+#include <grpc/support/string_util.h>
+
+#include "src/core/client_config/lb_policies/pick_first.h"
+#include "src/core/iomgr/resolve_address.h"
+#include "src/core/support/string.h"
+
+typedef struct {
+ /** base class: must be first */
+ grpc_resolver base;
+ /** refcount */
+ gpr_refcount refs;
+ /** subchannel factory */
+ grpc_subchannel_factory *subchannel_factory;
+ /** load balancing policy factory */
+ grpc_lb_policy *(*lb_policy_factory)(grpc_subchannel **subchannels,
+ size_t num_subchannels);
+
+ /** the address that we've 'resolved' */
+ struct sockaddr_storage addr;
+ int addr_len;
+
+ /** mutex guarding the rest of the state */
+ gpr_mu mu;
+ /** have we published? */
+ int published;
+ /** pending next completion, or NULL */
+ grpc_iomgr_closure *next_completion;
+ /** target config address for next completion */
+ grpc_client_config **target_config;
+} sockaddr_resolver;
+
+static void sockaddr_destroy(grpc_resolver *r);
+
+static void sockaddr_maybe_finish_next_locked(sockaddr_resolver *r);
+
+static void sockaddr_shutdown(grpc_resolver *r);
+static void sockaddr_channel_saw_error(grpc_resolver *r,
+ struct sockaddr *failing_address,
+ int failing_address_len);
+static void sockaddr_next(grpc_resolver *r, grpc_client_config **target_config,
+ grpc_iomgr_closure *on_complete);
+
+static const grpc_resolver_vtable sockaddr_resolver_vtable = {
+ sockaddr_destroy, sockaddr_shutdown, sockaddr_channel_saw_error,
+ sockaddr_next};
+
+static void sockaddr_shutdown(grpc_resolver *resolver) {
+ sockaddr_resolver *r = (sockaddr_resolver *)resolver;
+ gpr_mu_lock(&r->mu);
+ if (r->next_completion != NULL) {
+ *r->target_config = NULL;
+ /* TODO(ctiller): add delayed callback */
+ grpc_iomgr_add_callback(r->next_completion);
+ r->next_completion = NULL;
+ }
+ gpr_mu_unlock(&r->mu);
+}
+
+static void sockaddr_channel_saw_error(grpc_resolver *resolver,
+ struct sockaddr *sa, int len) {}
+
+static void sockaddr_next(grpc_resolver *resolver,
+ grpc_client_config **target_config,
+ grpc_iomgr_closure *on_complete) {
+ sockaddr_resolver *r = (sockaddr_resolver *)resolver;
+ gpr_mu_lock(&r->mu);
+ GPR_ASSERT(!r->next_completion);
+ r->next_completion = on_complete;
+ r->target_config = target_config;
+ sockaddr_maybe_finish_next_locked(r);
+ gpr_mu_unlock(&r->mu);
+}
+
+static void sockaddr_maybe_finish_next_locked(sockaddr_resolver *r) {
+ grpc_client_config *cfg;
+ grpc_lb_policy *lb_policy;
+ grpc_subchannel *subchannel;
+ grpc_subchannel_args args;
+
+ if (r->next_completion != NULL && !r->published) {
+ cfg = grpc_client_config_create();
+ memset(&args, 0, sizeof(args));
+ args.addr = (struct sockaddr *)&r->addr;
+ args.addr_len = r->addr_len;
+ subchannel =
+ grpc_subchannel_factory_create_subchannel(r->subchannel_factory, &args);
+ lb_policy = r->lb_policy_factory(&subchannel, 1);
+ grpc_client_config_set_lb_policy(cfg, lb_policy);
+ GRPC_LB_POLICY_UNREF(lb_policy, "unix");
+ r->published = 1;
+ *r->target_config = cfg;
+ grpc_iomgr_add_callback(r->next_completion);
+ r->next_completion = NULL;
+ }
+}
+
+static void sockaddr_destroy(grpc_resolver *gr) {
+ sockaddr_resolver *r = (sockaddr_resolver *)gr;
+ gpr_mu_destroy(&r->mu);
+ grpc_subchannel_factory_unref(r->subchannel_factory);
+ gpr_free(r);
+}
+
+#ifdef GPR_POSIX_SOCKET
+static int parse_unix(grpc_uri *uri, struct sockaddr_storage *addr, int *len) {
+ struct sockaddr_un *un = (struct sockaddr_un *)addr;
+
+ un->sun_family = AF_UNIX;
+ strcpy(un->sun_path, uri->path);
+ *len = strlen(un->sun_path) + sizeof(un->sun_family) + 1;
+
+ return 1;
+}
+#endif
+
+static int parse_ipv4(grpc_uri *uri, struct sockaddr_storage *addr, int *len) {
+ const char *host_port = uri->path;
+ char *host;
+ char *port;
+ int port_num;
+ int result = 0;
+ struct sockaddr_in *in = (struct sockaddr_in *)addr;
+
+ if (*host_port == '/') ++host_port;
+ if (!gpr_split_host_port(host_port, &host, &port)) {
+ return 0;
+ }
+
+ memset(in, 0, sizeof(*in));
+ *len = sizeof(*in);
+ in->sin_family = AF_INET;
+ if (inet_aton(host, &in->sin_addr) == 0) {
+ gpr_log(GPR_ERROR, "invalid ipv4 address: '%s'", host);
+ goto done;
+ }
+
+ if (port != NULL) {
+ if (sscanf(port, "%d", &port_num) != 1 || port_num < 0 ||
+ port_num > 65535) {
+ gpr_log(GPR_ERROR, "invalid ipv4 port: '%s'", port);
+ goto done;
+ }
+ in->sin_port = htons(port_num);
+ } else {
+ gpr_log(GPR_ERROR, "no port given for ipv4 scheme");
+ goto done;
+ }
+
+ result = 1;
+done:
+ gpr_free(host);
+ gpr_free(port);
+ return result;
+}
+
+static int parse_ipv6(grpc_uri *uri, struct sockaddr_storage *addr, int *len) {
+ const char *host_port = uri->path;
+ char *host;
+ char *port;
+ int port_num;
+ int result = 0;
+ struct sockaddr_in6 *in6 = (struct sockaddr_in6 *)addr;
+
+ if (*host_port == '/') ++host_port;
+ if (!gpr_split_host_port(host_port, &host, &port)) {
+ return 0;
+ }
+
+ memset(in6, 0, sizeof(*in6));
+ *len = sizeof(*in6);
+ in6->sin6_family = AF_INET6;
+ if (inet_pton(AF_INET6, host, &in6->sin6_addr) == 0) {
+ gpr_log(GPR_ERROR, "invalid ipv6 address: '%s'", host);
+ goto done;
+ }
+
+ if (port != NULL) {
+ if (sscanf(port, "%d", &port_num) != 1 || port_num < 0 ||
+ port_num > 65535) {
+ gpr_log(GPR_ERROR, "invalid ipv6 port: '%s'", port);
+ goto done;
+ }
+ in6->sin6_port = htons(port_num);
+ } else {
+ gpr_log(GPR_ERROR, "no port given for ipv6 scheme");
+ goto done;
+ }
+
+ result = 1;
+done:
+ gpr_free(host);
+ gpr_free(port);
+ return result;
+}
+
+static grpc_resolver *sockaddr_create(
+ grpc_uri *uri,
+ grpc_lb_policy *(*lb_policy_factory)(grpc_subchannel **subchannels,
+ size_t num_subchannels),
+ grpc_subchannel_factory *subchannel_factory,
+ int parse(grpc_uri *uri, struct sockaddr_storage *dst, int *len)) {
+ sockaddr_resolver *r;
+
+ if (0 != strcmp(uri->authority, "")) {
+ gpr_log(GPR_ERROR, "authority based uri's not supported");
+ return NULL;
+ }
+
+ r = gpr_malloc(sizeof(sockaddr_resolver));
+ memset(r, 0, sizeof(*r));
+ if (!parse(uri, &r->addr, &r->addr_len)) {
+ gpr_free(r);
+ return NULL;
+ }
+
+ gpr_ref_init(&r->refs, 1);
+ gpr_mu_init(&r->mu);
+ grpc_resolver_init(&r->base, &sockaddr_resolver_vtable);
+ r->subchannel_factory = subchannel_factory;
+ r->lb_policy_factory = lb_policy_factory;
+
+ grpc_subchannel_factory_ref(subchannel_factory);
+ return &r->base;
+}
+
+/*
+ * FACTORY
+ */
+
+static void sockaddr_factory_ref(grpc_resolver_factory *factory) {}
+
+static void sockaddr_factory_unref(grpc_resolver_factory *factory) {}
+
+#define DECL_FACTORY(name) \
+ static grpc_resolver *name##_factory_create_resolver( \
+ grpc_resolver_factory *factory, grpc_uri *uri, \
+ grpc_subchannel_factory *subchannel_factory) { \
+ return sockaddr_create(uri, grpc_create_pick_first_lb_policy, \
+ subchannel_factory, parse_##name); \
+ } \
+ static const grpc_resolver_factory_vtable name##_factory_vtable = { \
+ sockaddr_factory_ref, sockaddr_factory_unref, \
+ name##_factory_create_resolver}; \
+ static grpc_resolver_factory name##_resolver_factory = { \
+ &name##_factory_vtable}; \
+ grpc_resolver_factory *grpc_##name##_resolver_factory_create() { \
+ return &name##_resolver_factory; \
+ }
+
+#ifdef GPR_POSIX_SOCKET
+DECL_FACTORY(unix)
+#endif
+DECL_FACTORY(ipv4)
+DECL_FACTORY(ipv6)
diff --git a/src/core/client_config/resolvers/unix_resolver_posix.h b/src/core/client_config/resolvers/sockaddr_resolver.h
similarity index 92%
rename from src/core/client_config/resolvers/unix_resolver_posix.h
rename to src/core/client_config/resolvers/sockaddr_resolver.h
index 57ace59..1b7a18f 100644
--- a/src/core/client_config/resolvers/unix_resolver_posix.h
+++ b/src/core/client_config/resolvers/sockaddr_resolver.h
@@ -38,7 +38,13 @@
#include "src/core/client_config/resolver_factory.h"
+grpc_resolver_factory *grpc_ipv4_resolver_factory_create(void);
+
+grpc_resolver_factory *grpc_ipv6_resolver_factory_create(void);
+
+#ifdef GPR_POSIX_SOCKET
/** Create a unix resolver factory */
grpc_resolver_factory *grpc_unix_resolver_factory_create(void);
+#endif
#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_RESOLVERS_UNIX_RESOLVER_H */
diff --git a/src/core/client_config/resolvers/unix_resolver_posix.c b/src/core/client_config/resolvers/unix_resolver_posix.c
deleted file mode 100644
index be515d2..0000000
--- a/src/core/client_config/resolvers/unix_resolver_posix.c
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
- *
- * Copyright 2015, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <grpc/support/port_platform.h>
-#ifdef GPR_POSIX_SOCKET
-
-#include "src/core/client_config/resolvers/unix_resolver_posix.h"
-
-#include <string.h>
-#include <sys/un.h>
-
-#include <grpc/support/alloc.h>
-#include <grpc/support/string_util.h>
-
-#include "src/core/client_config/lb_policies/pick_first.h"
-#include "src/core/iomgr/resolve_address.h"
-#include "src/core/support/string.h"
-
-typedef struct {
- /** base class: must be first */
- grpc_resolver base;
- /** refcount */
- gpr_refcount refs;
- /** subchannel factory */
- grpc_subchannel_factory *subchannel_factory;
- /** load balancing policy factory */
- grpc_lb_policy *(*lb_policy_factory)(grpc_subchannel **subchannels,
- size_t num_subchannels);
-
- /** the address that we've 'resolved' */
- struct sockaddr_un addr;
- int addr_len;
-
- /** mutex guarding the rest of the state */
- gpr_mu mu;
- /** have we published? */
- int published;
- /** pending next completion, or NULL */
- grpc_iomgr_closure *next_completion;
- /** target config address for next completion */
- grpc_client_config **target_config;
-} unix_resolver;
-
-static void unix_destroy(grpc_resolver *r);
-
-static void unix_maybe_finish_next_locked(unix_resolver *r);
-
-static void unix_shutdown(grpc_resolver *r);
-static void unix_channel_saw_error(grpc_resolver *r,
- struct sockaddr *failing_address,
- int failing_address_len);
-static void unix_next(grpc_resolver *r, grpc_client_config **target_config,
- grpc_iomgr_closure *on_complete);
-
-static const grpc_resolver_vtable unix_resolver_vtable = {
- unix_destroy, unix_shutdown, unix_channel_saw_error, unix_next};
-
-static void unix_shutdown(grpc_resolver *resolver) {
- unix_resolver *r = (unix_resolver *)resolver;
- gpr_mu_lock(&r->mu);
- if (r->next_completion != NULL) {
- *r->target_config = NULL;
- /* TODO(ctiller): add delayed callback */
- grpc_iomgr_add_callback(r->next_completion);
- r->next_completion = NULL;
- }
- gpr_mu_unlock(&r->mu);
-}
-
-static void unix_channel_saw_error(grpc_resolver *resolver, struct sockaddr *sa,
- int len) {}
-
-static void unix_next(grpc_resolver *resolver,
- grpc_client_config **target_config,
- grpc_iomgr_closure *on_complete) {
- unix_resolver *r = (unix_resolver *)resolver;
- gpr_mu_lock(&r->mu);
- GPR_ASSERT(!r->next_completion);
- r->next_completion = on_complete;
- r->target_config = target_config;
- unix_maybe_finish_next_locked(r);
- gpr_mu_unlock(&r->mu);
-}
-
-static void unix_maybe_finish_next_locked(unix_resolver *r) {
- grpc_client_config *cfg;
- grpc_lb_policy *lb_policy;
- grpc_subchannel *subchannel;
- grpc_subchannel_args args;
-
- if (r->next_completion != NULL && !r->published) {
- cfg = grpc_client_config_create();
- memset(&args, 0, sizeof(args));
- args.addr = (struct sockaddr *)&r->addr;
- args.addr_len = r->addr_len;
- subchannel =
- grpc_subchannel_factory_create_subchannel(r->subchannel_factory, &args);
- lb_policy = r->lb_policy_factory(&subchannel, 1);
- grpc_client_config_set_lb_policy(cfg, lb_policy);
- GRPC_LB_POLICY_UNREF(lb_policy, "unix");
- r->published = 1;
- *r->target_config = cfg;
- grpc_iomgr_add_callback(r->next_completion);
- r->next_completion = NULL;
- }
-}
-
-static void unix_destroy(grpc_resolver *gr) {
- unix_resolver *r = (unix_resolver *)gr;
- gpr_mu_destroy(&r->mu);
- grpc_subchannel_factory_unref(r->subchannel_factory);
- gpr_free(r);
-}
-
-static grpc_resolver *unix_create(
- grpc_uri *uri,
- grpc_lb_policy *(*lb_policy_factory)(grpc_subchannel **subchannels,
- size_t num_subchannels),
- grpc_subchannel_factory *subchannel_factory) {
- unix_resolver *r;
-
- if (0 != strcmp(uri->authority, "")) {
- gpr_log(GPR_ERROR, "authority based uri's not supported");
- return NULL;
- }
-
- r = gpr_malloc(sizeof(unix_resolver));
- memset(r, 0, sizeof(*r));
- gpr_ref_init(&r->refs, 1);
- gpr_mu_init(&r->mu);
- grpc_resolver_init(&r->base, &unix_resolver_vtable);
- r->subchannel_factory = subchannel_factory;
- r->lb_policy_factory = lb_policy_factory;
-
- r->addr.sun_family = AF_UNIX;
- strcpy(r->addr.sun_path, uri->path);
- r->addr_len = strlen(r->addr.sun_path) + sizeof(r->addr.sun_family) + 1;
-
- grpc_subchannel_factory_ref(subchannel_factory);
- return &r->base;
-}
-
-/*
- * FACTORY
- */
-
-static void unix_factory_ref(grpc_resolver_factory *factory) {}
-
-static void unix_factory_unref(grpc_resolver_factory *factory) {}
-
-static grpc_resolver *unix_factory_create_resolver(
- grpc_resolver_factory *factory, grpc_uri *uri,
- grpc_subchannel_factory *subchannel_factory) {
- return unix_create(uri, grpc_create_pick_first_lb_policy, subchannel_factory);
-}
-
-static const grpc_resolver_factory_vtable unix_factory_vtable = {
- unix_factory_ref, unix_factory_unref, unix_factory_create_resolver};
-static grpc_resolver_factory unix_resolver_factory = {&unix_factory_vtable};
-
-grpc_resolver_factory *grpc_unix_resolver_factory_create() {
- return &unix_resolver_factory;
-}
-
-#endif