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@ -39,9 +39,12 @@ |
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#include "src/core/lib/iomgr/tcp_server.h" |
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#include <errno.h> |
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#include <ifaddrs.h> |
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#include <netinet/in.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <sys/socket.h> |
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#include <sys/types.h> |
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#include <unistd.h> |
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#include <grpc/grpc.h> |
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@ -50,6 +53,7 @@ |
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#include <grpc/support/sync.h> |
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#include <grpc/support/time.h> |
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#include "src/core/lib/iomgr/error.h" |
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#include "src/core/lib/iomgr/iomgr.h" |
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#include "src/core/lib/iomgr/resolve_address.h" |
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#include "src/core/lib/iomgr/sockaddr_utils.h" |
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@ -62,7 +66,7 @@ static gpr_mu *g_mu; |
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static grpc_pollset *g_pollset; |
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static int g_nconnects = 0; |
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typedef struct on_connect_result { |
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typedef struct { |
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/* Owns a ref to server. */ |
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grpc_tcp_server *server; |
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unsigned port_index; |
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@ -70,15 +74,41 @@ typedef struct on_connect_result { |
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int server_fd; |
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} on_connect_result; |
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typedef struct server_weak_ref { |
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typedef struct { |
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grpc_tcp_server *server; |
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/* arg is this server_weak_ref. */ |
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grpc_closure server_shutdown; |
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} server_weak_ref; |
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#define MAX_URI 1024 |
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typedef struct { |
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grpc_resolved_address addr; |
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char str[MAX_URI]; |
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} test_addr; |
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#define MAX_ADDRS 100 |
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typedef struct { |
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size_t naddrs; |
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test_addr addrs[MAX_ADDRS]; |
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} test_addrs; |
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static on_connect_result g_result = {NULL, 0, 0, -1}; |
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static char family_name_buf[1024]; |
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static const char *sock_family_name(int family) { |
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if (family == AF_INET) { |
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return "AF_INET"; |
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} else if (family == AF_INET6) { |
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return "AF_INET6"; |
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} else if (family == AF_UNSPEC) { |
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return "AF_UNSPEC"; |
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} else { |
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sprintf(family_name_buf, "%d", family); |
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return family_name_buf; |
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} |
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} |
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static void on_connect_result_init(on_connect_result *result) { |
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result->server = NULL; |
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result->port_index = 0; |
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@ -118,6 +148,18 @@ static void server_weak_ref_set(server_weak_ref *weak_ref, |
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weak_ref->server = server; |
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} |
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static void test_addr_init_str(test_addr *addr) { |
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char *str = NULL; |
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if (grpc_sockaddr_to_string(&str, &addr->addr, 0) != -1) { |
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size_t str_len; |
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memcpy(addr->str, str, (str_len = strnlen(str, sizeof(addr->str) - 1))); |
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addr->str[str_len] = '\0'; |
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gpr_free(str); |
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} else { |
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addr->str[0] = '\0'; |
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} |
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} |
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static void on_connect(grpc_exec_ctx *exec_ctx, void *arg, grpc_endpoint *tcp, |
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grpc_pollset *pollset, |
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grpc_tcp_server_acceptor *acceptor) { |
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@ -168,7 +210,7 @@ static void test_no_op_with_port(void) { |
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memset(&resolved_addr, 0, sizeof(resolved_addr)); |
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resolved_addr.len = sizeof(struct sockaddr_in); |
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addr->sin_family = AF_INET; |
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int port; |
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int port = -1; |
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GPR_ASSERT(grpc_tcp_server_add_port(s, &resolved_addr, &port) == |
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GRPC_ERROR_NONE && |
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port > 0); |
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@ -185,7 +227,7 @@ static void test_no_op_with_port_and_start(void) { |
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GPR_ASSERT(GRPC_ERROR_NONE == |
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grpc_tcp_server_create(&exec_ctx, NULL, NULL, &s)); |
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LOG_TEST("test_no_op_with_port_and_start"); |
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int port; |
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int port = -1; |
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memset(&resolved_addr, 0, sizeof(resolved_addr)); |
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resolved_addr.len = sizeof(struct sockaddr_in); |
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@ -200,74 +242,115 @@ static void test_no_op_with_port_and_start(void) { |
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grpc_exec_ctx_finish(&exec_ctx); |
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} |
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static void tcp_connect(grpc_exec_ctx *exec_ctx, const struct sockaddr *remote, |
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socklen_t remote_len, on_connect_result *result) { |
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static grpc_error *tcp_connect(grpc_exec_ctx *exec_ctx, const test_addr *remote, |
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on_connect_result *result) { |
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gpr_timespec deadline = grpc_timeout_seconds_to_deadline(10); |
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int clifd = socket(remote->sa_family, SOCK_STREAM, 0); |
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int clifd; |
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int nconnects_before; |
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const struct sockaddr *remote_addr = |
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(const struct sockaddr *)remote->addr.addr; |
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gpr_log(GPR_INFO, "Connecting to %s", remote->str); |
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gpr_mu_lock(g_mu); |
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nconnects_before = g_nconnects; |
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on_connect_result_init(&g_result); |
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GPR_ASSERT(clifd >= 0); |
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gpr_log(GPR_DEBUG, "start connect"); |
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GPR_ASSERT(connect(clifd, remote, remote_len) == 0); |
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clifd = socket(remote_addr->sa_family, SOCK_STREAM, 0); |
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if (clifd < 0) { |
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gpr_mu_unlock(g_mu); |
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return GRPC_OS_ERROR(errno, "Failed to create socket"); |
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} |
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gpr_log(GPR_DEBUG, "start connect to %s", remote->str); |
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if (connect(clifd, remote_addr, (socklen_t)remote->addr.len) != 0) { |
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gpr_mu_unlock(g_mu); |
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close(clifd); |
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return GRPC_OS_ERROR(errno, "connect"); |
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} |
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gpr_log(GPR_DEBUG, "wait"); |
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while (g_nconnects == nconnects_before && |
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gpr_time_cmp(deadline, gpr_now(deadline.clock_type)) > 0) { |
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grpc_pollset_worker *worker = NULL; |
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GPR_ASSERT(GRPC_LOG_IF_ERROR( |
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"pollset_work", |
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grpc_pollset_work(exec_ctx, g_pollset, &worker, |
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gpr_now(GPR_CLOCK_MONOTONIC), deadline))); |
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grpc_error *err; |
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if ((err = grpc_pollset_work(exec_ctx, g_pollset, &worker, |
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gpr_now(GPR_CLOCK_MONOTONIC), deadline)) != |
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GRPC_ERROR_NONE) { |
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gpr_mu_unlock(g_mu); |
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close(clifd); |
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return err; |
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} |
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gpr_mu_unlock(g_mu); |
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grpc_exec_ctx_finish(exec_ctx); |
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gpr_mu_lock(g_mu); |
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} |
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gpr_log(GPR_DEBUG, "wait done"); |
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GPR_ASSERT(g_nconnects == nconnects_before + 1); |
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if (g_nconnects != nconnects_before + 1) { |
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gpr_mu_unlock(g_mu); |
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close(clifd); |
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return GRPC_ERROR_CREATE("Didn't connect"); |
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} |
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close(clifd); |
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*result = g_result; |
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gpr_mu_unlock(g_mu); |
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gpr_log(GPR_INFO, "Result (%d, %d) fd %d", result->port_index, |
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result->fd_index, result->server_fd); |
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grpc_tcp_server_unref(exec_ctx, result->server); |
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return GRPC_ERROR_NONE; |
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} |
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/* Tests a tcp server with multiple ports. TODO(daniel-j-born): Multiple fds for
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the same port should be tested. */ |
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static void test_connect(unsigned n) { |
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/* Tests a tcp server on "::" listeners with multiple ports. If channel_args is
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non-NULL, pass them to the server. If dst_addrs is non-NULL, use valid addrs |
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as destination addrs (port is not set). If dst_addrs is NULL, use listener |
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addrs as destination addrs. If test_dst_addrs is true, test connectivity with |
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each destination address, set grpc_resolved_address::len=0 for failures, but |
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don't fail the overall unitest. */ |
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static void test_connect(size_t num_connects, |
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const grpc_channel_args *channel_args, |
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test_addrs *dst_addrs, bool test_dst_addrs) { |
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grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
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grpc_resolved_address resolved_addr; |
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grpc_resolved_address resolved_addr1; |
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struct sockaddr_storage *addr = (struct sockaddr_storage *)resolved_addr.addr; |
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struct sockaddr_storage *addr1 = |
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struct sockaddr_storage *const addr = |
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(struct sockaddr_storage *)resolved_addr.addr; |
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struct sockaddr_storage *const addr1 = |
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(struct sockaddr_storage *)resolved_addr1.addr; |
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unsigned svr_fd_count; |
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int port; |
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int svr_port; |
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unsigned svr1_fd_count; |
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int svr1_port; |
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grpc_tcp_server *s; |
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const unsigned num_ports = 2; |
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GPR_ASSERT(GRPC_ERROR_NONE == |
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grpc_tcp_server_create(&exec_ctx, NULL, NULL, &s)); |
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unsigned i; |
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grpc_tcp_server_create(&exec_ctx, NULL, channel_args, &s)); |
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unsigned port_num; |
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server_weak_ref weak_ref; |
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server_weak_ref_init(&weak_ref); |
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server_weak_ref_set(&weak_ref, s); |
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LOG_TEST("test_connect"); |
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gpr_log(GPR_INFO, "clients=%d", n); |
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gpr_log(GPR_INFO, |
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"clients=%lu, num chan args=%lu, remote IP=%s, test_dst_addrs=%d", |
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(unsigned long)num_connects, |
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(unsigned long)(channel_args != NULL ? channel_args->num_args : 0), |
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dst_addrs != NULL ? "<specific>" : "::", test_dst_addrs); |
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memset(&resolved_addr, 0, sizeof(resolved_addr)); |
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memset(&resolved_addr1, 0, sizeof(resolved_addr1)); |
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resolved_addr.len = sizeof(struct sockaddr_storage); |
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resolved_addr1.len = sizeof(struct sockaddr_storage); |
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addr->ss_family = addr1->ss_family = AF_INET; |
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GPR_ASSERT(GRPC_ERROR_NONE == |
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grpc_tcp_server_add_port(s, &resolved_addr, &svr_port)); |
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GPR_ASSERT(GRPC_LOG_IF_ERROR( |
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"grpc_tcp_server_add_port", |
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grpc_tcp_server_add_port(s, &resolved_addr, &svr_port))); |
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gpr_log(GPR_INFO, "Allocated port %d", svr_port); |
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GPR_ASSERT(svr_port > 0); |
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/* Cannot use wildcard (port==0), because add_port() will try to reuse the
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same port as a previous add_port(). */ |
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svr1_port = grpc_pick_unused_port_or_die(); |
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GPR_ASSERT(svr1_port > 0); |
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gpr_log(GPR_INFO, "Picked unused port %d", svr1_port); |
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grpc_sockaddr_set_port(&resolved_addr1, svr1_port); |
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GPR_ASSERT(grpc_tcp_server_add_port(s, &resolved_addr1, &svr_port) == |
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GPR_ASSERT(grpc_tcp_server_add_port(s, &resolved_addr1, &port) == |
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GRPC_ERROR_NONE && |
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svr_port == svr1_port); |
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port == svr1_port); |
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/* Bad port_index. */ |
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GPR_ASSERT(grpc_tcp_server_port_fd_count(s, 2) == 0); |
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@ -283,58 +366,70 @@ static void test_connect(unsigned n) { |
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svr1_fd_count = grpc_tcp_server_port_fd_count(s, 1); |
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GPR_ASSERT(svr1_fd_count >= 1); |
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for (i = 0; i < svr_fd_count; ++i) { |
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int fd = grpc_tcp_server_port_fd(s, 0, i); |
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GPR_ASSERT(fd >= 0); |
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if (i == 0) { |
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GPR_ASSERT(getsockname(fd, (struct sockaddr *)addr, |
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(socklen_t *)&resolved_addr.len) == 0); |
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GPR_ASSERT(resolved_addr.len <= sizeof(*addr)); |
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} |
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} |
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for (i = 0; i < svr1_fd_count; ++i) { |
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int fd = grpc_tcp_server_port_fd(s, 1, i); |
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GPR_ASSERT(fd >= 0); |
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if (i == 0) { |
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GPR_ASSERT(getsockname(fd, (struct sockaddr *)addr1, |
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(socklen_t *)&resolved_addr1.len) == 0); |
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GPR_ASSERT(resolved_addr1.len <= sizeof(*addr1)); |
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} |
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} |
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grpc_tcp_server_start(&exec_ctx, s, &g_pollset, 1, on_connect, NULL); |
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for (i = 0; i < n; i++) { |
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on_connect_result result; |
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int svr_fd; |
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on_connect_result_init(&result); |
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tcp_connect(&exec_ctx, (struct sockaddr *)addr, |
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(socklen_t)resolved_addr.len, &result); |
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GPR_ASSERT(result.server_fd >= 0); |
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svr_fd = result.server_fd; |
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GPR_ASSERT(grpc_tcp_server_port_fd(s, result.port_index, result.fd_index) == |
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result.server_fd); |
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GPR_ASSERT(result.port_index == 0); |
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GPR_ASSERT(result.fd_index < svr_fd_count); |
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GPR_ASSERT(result.server == s); |
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if (weak_ref.server == NULL) { |
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server_weak_ref_set(&weak_ref, result.server); |
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if (dst_addrs != NULL) { |
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int ports[] = {svr_port, svr1_port}; |
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for (port_num = 0; port_num < num_ports; ++port_num) { |
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size_t dst_idx; |
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size_t num_tested = 0; |
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for (dst_idx = 0; dst_idx < dst_addrs->naddrs; ++dst_idx) { |
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test_addr dst = dst_addrs->addrs[dst_idx]; |
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on_connect_result result; |
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grpc_error *err; |
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if (dst.addr.len == 0) { |
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gpr_log(GPR_DEBUG, "Skipping test of non-functional local IP %s", |
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dst.str); |
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continue; |
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} |
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GPR_ASSERT(grpc_sockaddr_set_port(&dst.addr, ports[port_num])); |
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test_addr_init_str(&dst); |
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++num_tested; |
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on_connect_result_init(&result); |
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if ((err = tcp_connect(&exec_ctx, &dst, &result)) == GRPC_ERROR_NONE && |
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result.server_fd >= 0 && result.server == s) { |
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continue; |
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} |
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gpr_log(GPR_ERROR, "Failed to connect to %s: %s", dst.str, |
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grpc_error_string(err)); |
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GPR_ASSERT(test_dst_addrs); |
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dst_addrs->addrs[dst_idx].addr.len = 0; |
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GRPC_ERROR_UNREF(err); |
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} |
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GPR_ASSERT(num_tested > 0); |
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} |
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} else { |
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for (port_num = 0; port_num < num_ports; ++port_num) { |
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const unsigned num_fds = grpc_tcp_server_port_fd_count(s, port_num); |
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unsigned fd_num; |
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for (fd_num = 0; fd_num < num_fds; ++fd_num) { |
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int fd = grpc_tcp_server_port_fd(s, port_num, fd_num); |
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size_t connect_num; |
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test_addr dst; |
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GPR_ASSERT(fd >= 0); |
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dst.addr.len = sizeof(dst.addr.addr); |
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GPR_ASSERT(getsockname(fd, (struct sockaddr *)dst.addr.addr, |
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(socklen_t *)&dst.addr.len) == 0); |
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GPR_ASSERT(dst.addr.len <= sizeof(dst.addr.addr)); |
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test_addr_init_str(&dst); |
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gpr_log(GPR_INFO, "(%d, %d) fd %d family %s listening on %s", port_num, |
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fd_num, fd, sock_family_name(addr->ss_family), dst.str); |
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for (connect_num = 0; connect_num < num_connects; ++connect_num) { |
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on_connect_result result; |
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|
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on_connect_result_init(&result); |
|
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|
GPR_ASSERT(GRPC_LOG_IF_ERROR("tcp_connect", |
|
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|
tcp_connect(&exec_ctx, &dst, &result))); |
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GPR_ASSERT(result.server_fd == fd); |
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|
GPR_ASSERT(result.port_index == port_num); |
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|
GPR_ASSERT(result.fd_index == fd_num); |
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|
GPR_ASSERT(result.server == s); |
|
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|
GPR_ASSERT( |
|
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|
grpc_tcp_server_port_fd(s, result.port_index, result.fd_index) == |
|
|
|
|
result.server_fd); |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
} |
|
|
|
|
grpc_tcp_server_unref(&exec_ctx, result.server); |
|
|
|
|
|
|
|
|
|
on_connect_result_init(&result); |
|
|
|
|
tcp_connect(&exec_ctx, (struct sockaddr *)addr1, |
|
|
|
|
(socklen_t)resolved_addr1.len, &result); |
|
|
|
|
GPR_ASSERT(result.server_fd >= 0); |
|
|
|
|
GPR_ASSERT(result.server_fd != svr_fd); |
|
|
|
|
GPR_ASSERT(grpc_tcp_server_port_fd(s, result.port_index, result.fd_index) == |
|
|
|
|
result.server_fd); |
|
|
|
|
GPR_ASSERT(result.port_index == 1); |
|
|
|
|
GPR_ASSERT(result.fd_index < svr_fd_count); |
|
|
|
|
GPR_ASSERT(result.server == s); |
|
|
|
|
grpc_tcp_server_unref(&exec_ctx, result.server); |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
/* Weak ref to server valid until final unref. */ |
|
|
|
|
GPR_ASSERT(weak_ref.server != NULL); |
|
|
|
|
GPR_ASSERT(grpc_tcp_server_port_fd(s, 0, 0) >= 0); |
|
|
|
|
@ -354,6 +449,12 @@ static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p, |
|
|
|
|
int main(int argc, char **argv) { |
|
|
|
|
grpc_closure destroyed; |
|
|
|
|
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; |
|
|
|
|
grpc_arg chan_args[] = { |
|
|
|
|
{GRPC_ARG_INTEGER, GRPC_ARG_EXPAND_WILDCARD_ADDRS, {.integer = 1}}}; |
|
|
|
|
const grpc_channel_args channel_args = {1, chan_args}; |
|
|
|
|
struct ifaddrs *ifa = NULL; |
|
|
|
|
struct ifaddrs *ifa_it; |
|
|
|
|
test_addrs dst_addrs; |
|
|
|
|
grpc_test_init(argc, argv); |
|
|
|
|
grpc_init(); |
|
|
|
|
g_pollset = gpr_malloc(grpc_pollset_size()); |
|
|
|
|
@ -363,8 +464,45 @@ int main(int argc, char **argv) { |
|
|
|
|
test_no_op_with_start(); |
|
|
|
|
test_no_op_with_port(); |
|
|
|
|
test_no_op_with_port_and_start(); |
|
|
|
|
test_connect(1); |
|
|
|
|
test_connect(10); |
|
|
|
|
|
|
|
|
|
if (getifaddrs(&ifa) != 0 || ifa == NULL) { |
|
|
|
|
gpr_log(GPR_ERROR, "getifaddrs: %s", strerror(errno)); |
|
|
|
|
return EXIT_FAILURE; |
|
|
|
|
} |
|
|
|
|
dst_addrs.naddrs = 0; |
|
|
|
|
for (ifa_it = ifa; ifa_it != NULL && dst_addrs.naddrs < MAX_ADDRS; |
|
|
|
|
ifa_it = ifa_it->ifa_next) { |
|
|
|
|
if (ifa_it->ifa_addr == NULL) { |
|
|
|
|
continue; |
|
|
|
|
} else if (ifa_it->ifa_addr->sa_family == AF_INET) { |
|
|
|
|
dst_addrs.addrs[dst_addrs.naddrs].addr.len = sizeof(struct sockaddr_in); |
|
|
|
|
} else if (ifa_it->ifa_addr->sa_family == AF_INET6) { |
|
|
|
|
dst_addrs.addrs[dst_addrs.naddrs].addr.len = sizeof(struct sockaddr_in6); |
|
|
|
|
} else { |
|
|
|
|
continue; |
|
|
|
|
} |
|
|
|
|
memcpy(dst_addrs.addrs[dst_addrs.naddrs].addr.addr, ifa_it->ifa_addr, |
|
|
|
|
dst_addrs.addrs[dst_addrs.naddrs].addr.len); |
|
|
|
|
GPR_ASSERT( |
|
|
|
|
grpc_sockaddr_set_port(&dst_addrs.addrs[dst_addrs.naddrs].addr, 0)); |
|
|
|
|
test_addr_init_str(&dst_addrs.addrs[dst_addrs.naddrs]); |
|
|
|
|
++dst_addrs.naddrs; |
|
|
|
|
} |
|
|
|
|
freeifaddrs(ifa); |
|
|
|
|
ifa = NULL; |
|
|
|
|
|
|
|
|
|
/* Connect to same addresses as listeners. */ |
|
|
|
|
test_connect(1, NULL, NULL, false); |
|
|
|
|
test_connect(10, NULL, NULL, false); |
|
|
|
|
|
|
|
|
|
/* Set dst_addrs.addrs[i].len=0 for dst_addrs that are unreachable with a "::"
|
|
|
|
|
listener. */ |
|
|
|
|
test_connect(1, NULL, &dst_addrs, true); |
|
|
|
|
|
|
|
|
|
/* Test connect(2) with dst_addrs. */ |
|
|
|
|
test_connect(1, &channel_args, &dst_addrs, false); |
|
|
|
|
/* Test connect(2) with dst_addrs. */ |
|
|
|
|
test_connect(10, &channel_args, &dst_addrs, false); |
|
|
|
|
|
|
|
|
|
grpc_closure_init(&destroyed, destroy_pollset, g_pollset, |
|
|
|
|
grpc_schedule_on_exec_ctx); |
|
|
|
|
@ -372,7 +510,7 @@ int main(int argc, char **argv) { |
|
|
|
|
grpc_exec_ctx_finish(&exec_ctx); |
|
|
|
|
grpc_shutdown(); |
|
|
|
|
gpr_free(g_pollset); |
|
|
|
|
return 0; |
|
|
|
|
return EXIT_SUCCESS; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
#else /* GRPC_POSIX_SOCKET */ |
|
|
|
|
|
Sree Kuchibhotla
8 years ago