X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=blobdiff_plain;f=src%2Ffrontend%2Fconnection.c;h=f35f7b39c82a8278f47137e65810163094c33044;hp=b27b3dd28bfbfd0324941d1861bc2bdd5d60a8ca;hb=ad77ec3d257ac66d74e91452d098882247abdc0a;hpb=13fe0f9ec3d161fab7a015054649910541d75f5e diff --git a/src/frontend/connection.c b/src/frontend/connection.c index b27b3dd..f35f7b3 100644 --- a/src/frontend/connection.c +++ b/src/frontend/connection.c @@ -36,6 +36,7 @@ #include "utils/error.h" #include "utils/strbuf.h" #include "utils/proto.h" +#include "utils/os.h" #include #include @@ -106,6 +107,18 @@ peer(int sockfd) return strdup(result->pw_name); } /* peer */ +static ssize_t +conn_read(sdb_conn_t *conn, size_t len) +{ + return sdb_strbuf_read(conn->buf, conn->fd, len); +} /* conn_read */ + +static ssize_t +conn_write(sdb_conn_t *conn, const void *buf, size_t len) +{ + return sdb_write(conn->fd, len, buf); +} /* conn_write */ + static int connection_init(sdb_object_t *obj, va_list ap) { @@ -143,6 +156,12 @@ connection_init(sdb_object_t *obj, va_list ap) return -1; } + /* defaults */ + conn->read = conn_read; + conn->write = conn_write; + conn->finish = NULL; + conn->session = NULL; + if (conn->client_addr.ss_family != AF_UNIX) { sdb_log(SDB_LOG_ERR, "frontend: Accepted connection using " "unexpected family type %d", conn->client_addr.ss_family); @@ -192,6 +211,10 @@ connection_destroy(sdb_object_t *obj) conn->ready = 0; + if (conn->finish) + conn->finish(conn); + conn->finish = NULL; + if (conn->buf) { len = sdb_strbuf_len(conn->buf); if (len) @@ -200,9 +223,7 @@ connection_destroy(sdb_object_t *obj) } sdb_log(SDB_LOG_DEBUG, "frontend: Closing connection %s", obj->name); - if (conn->fd >= 0) - close(conn->fd); - conn->fd = -1; + sdb_connection_close(conn); if (conn->username) free(conn->username); @@ -326,6 +347,8 @@ command_handle(sdb_conn_t *conn) status = sdb_fe_list(conn); else if (conn->cmd == SDB_CONNECTION_LOOKUP) status = sdb_fe_lookup(conn); + else if (conn->cmd == SDB_CONNECTION_STORE) + status = sdb_fe_store(conn); else { sdb_log(SDB_LOG_WARNING, "frontend: Ignoring invalid command %#x", conn->cmd); @@ -357,9 +380,9 @@ command_init(sdb_conn_t *conn) /* reset */ sdb_strbuf_clear(conn->errbuf); - conn->cmd = sdb_proto_get_int(conn->buf, 0); - conn->cmd_len = sdb_proto_get_int(conn->buf, sizeof(uint32_t)); - + if (sdb_proto_unmarshal_header(SDB_STRBUF_STR(conn->buf), + &conn->cmd, &conn->cmd_len) < 0) + return -1; sdb_strbuf_skip(conn->buf, 0, 2 * sizeof(uint32_t)); if ((! conn->ready) && (conn->cmd != SDB_CONNECTION_STARTUP)) @@ -399,13 +422,12 @@ connection_read(sdb_conn_t *conn) ssize_t status; errno = 0; - status = sdb_strbuf_read(conn->buf, conn->fd, 1024); + status = conn->read(conn, 1024); if (status < 0) { if ((errno == EAGAIN) || (errno == EWOULDBLOCK)) break; - close(conn->fd); - conn->fd = -1; + sdb_connection_close(conn); return (int)status; } else if (! status) /* EOF */ @@ -458,16 +480,18 @@ sdb_connection_close(sdb_conn_t *conn) if (! conn) return; + if (conn->finish) + conn->finish(conn); + conn->finish = NULL; + /* close the connection even if someone else still references it */ if (conn->fd >= 0) close(conn->fd); conn->fd = -1; - - sdb_object_deref(SDB_OBJ(conn)); } /* sdb_connection_close */ ssize_t -sdb_connection_read(sdb_conn_t *conn) +sdb_connection_handle(sdb_conn_t *conn) { ssize_t n = 0; @@ -498,25 +522,27 @@ sdb_connection_read(sdb_conn_t *conn) sdb_conn_set_ctx(NULL); return n; -} /* sdb_connection_read */ +} /* sdb_connection_handle */ ssize_t sdb_connection_send(sdb_conn_t *conn, uint32_t code, uint32_t msg_len, const char *msg) { + char buf[2 * sizeof(uint32_t) + msg_len]; ssize_t status; if ((! conn) || (conn->fd < 0)) return -1; + if (sdb_proto_marshal(buf, sizeof(buf), code, msg_len, msg) < 0) + return -1; - status = sdb_proto_send_msg(conn->fd, code, msg_len, msg); + status = conn->write(conn, buf, sizeof(buf)); if (status < 0) { char errbuf[1024]; /* tell other code that there was a problem and, more importantly, * make sure we don't try to send further logs to the connection */ - close(conn->fd); - conn->fd = -1; + sdb_connection_close(conn); conn->ready = 0; sdb_log(SDB_LOG_ERR, "frontend: Failed to send msg "