static int verify_server(struct connection *server)
{
if (server->info == NULL) {
LOG(ERROR, "verify_server: connection info of server %d is null",
server->fd);
return CORVUS_ERR;
}
struct conn_info *info = server->info;
if (info->status != DISCONNECTED) {
return CORVUS_OK;
}
if (server->fd != -1) {
close(server->fd);
}
server->fd = conn_create_fd();
if (server->fd == -1) {
LOG(ERROR, "verify_server: fail to create fd");
conn_free(server);
return CORVUS_ERR;
}
if (conn_connect(server) == CORVUS_ERR) {
LOG(ERROR, "verify_server: fail to connect %s:%d",
info->addr.ip, info->addr.port);
conn_free(server);
return CORVUS_ERR;
}
server->registered = false;
return CORVUS_OK;
}
static struct connection *conn_create_server(struct context *ctx, struct address *addr, char *key)
{
int fd = conn_create_fd();
if (fd == -1) {
LOG(ERROR, "conn_create_server: fail to create fd");
return NULL;
}
struct connection *server = server_create(ctx, fd);
struct conn_info *info = server->info;
memcpy(&info->addr, addr, sizeof(info->addr));
if (conn_connect(server) == CORVUS_ERR) {
LOG(ERROR, "conn_create_server: fail to connect %s:%d",
info->addr.ip, info->addr.port);
conn_free(server);
conn_buf_free(server);
conn_recycle(ctx, server);
return NULL;
}
strncpy(info->dsn, key, DSN_LEN);
dict_set(&ctx->server_table, info->dsn, (void*)server);
TAILQ_INSERT_TAIL(&ctx->servers, server, next);
return server;
}
static struct connection *conn_create_server(struct context *ctx,
struct address *addr, char *key, bool readonly)
{
int fd = conn_create_fd();
if (fd == -1) {
LOG(ERROR, "conn_create_server: fail to create fd");
return NULL;
}
struct connection *server = server_create(ctx, fd);
struct conn_info *info = server->info;
memcpy(&info->addr, addr, sizeof(info->addr));
extern const size_t CMD_NUM;
info->slow_cmd_counts = cv_calloc(CMD_NUM, sizeof(uint32_t));
if (conn_connect(server) == CORVUS_ERR) {
LOG(ERROR, "conn_create_server: fail to connect %s:%d",
info->addr.ip, info->addr.port);
conn_free(server);
conn_buf_free(server);
conn_recycle(ctx, server);
return NULL;
}
if (readonly) {
server->info->readonly = true;
}
strncpy(info->dsn, key, ADDRESS_LEN);
dict_set(&ctx->server_table, info->dsn, (void*)server);
TAILQ_INSERT_TAIL(&ctx->servers, server, next);
return server;
}
