X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fovsdb-idl.c;h=7556b7f390122ed6b6eab4611572be6025d2d1ad;hb=cfc50ae514f805dcd9c14589f21158185424daf6;hp=fbf4bba6bba76b7c5f8c370ba57173cec4cb6bc4;hpb=9582c4f577017c9a8b00bbd689bc9a918d6a090d;p=sliver-openvswitch.git diff --git a/lib/ovsdb-idl.c b/lib/ovsdb-idl.c index fbf4bba6b..7556b7f39 100644 --- a/lib/ovsdb-idl.c +++ b/lib/ovsdb-idl.c @@ -91,7 +91,6 @@ struct ovsdb_idl_txn { char *error; bool dry_run; struct ds comment; - unsigned int commit_seqno; /* Increments. */ const char *inc_table; @@ -157,6 +156,9 @@ static void ovsdb_idl_parse_lock_notify(struct ovsdb_idl *, * 'class'. (Ordinarily 'class' is compiled from an OVSDB schema automatically * by ovsdb-idlc.) * + * Passes 'retry' to jsonrpc_session_open(). See that function for + * documentation. + * * If 'monitor_everything_by_default' is true, then everything in the remote * database will be replicated by default. ovsdb_idl_omit() and * ovsdb_idl_omit_alert() may be used to selectively drop some columns from @@ -168,7 +170,7 @@ static void ovsdb_idl_parse_lock_notify(struct ovsdb_idl *, */ struct ovsdb_idl * ovsdb_idl_create(const char *remote, const struct ovsdb_idl_class *class, - bool monitor_everything_by_default) + bool monitor_everything_by_default, bool retry) { struct ovsdb_idl *idl; uint8_t default_mode; @@ -180,7 +182,7 @@ ovsdb_idl_create(const char *remote, const struct ovsdb_idl_class *class, idl = xzalloc(sizeof *idl); idl->class = class; - idl->session = jsonrpc_session_open(remote); + idl->session = jsonrpc_session_open(remote, retry); shash_init(&idl->table_by_name); idl->tables = xmalloc(class->n_tables * sizeof *idl->tables); for (i = 0; i < class->n_tables; i++) { @@ -330,9 +332,6 @@ ovsdb_idl_run(struct ovsdb_idl *idl) && !strcmp(msg->method, "stolen")) { /* Someone else stole our lock. */ ovsdb_idl_parse_lock_notify(idl, msg->params, false); - } else if (msg->type == JSONRPC_REPLY && msg->id->type == JSON_STRING - && !strcmp(msg->id->u.string, "echo")) { - /* Reply to our echo request. Ignore it. */ } else if ((msg->type == JSONRPC_ERROR || msg->type == JSONRPC_REPLY) && ovsdb_idl_txn_process_reply(idl, msg)) { @@ -395,6 +394,14 @@ ovsdb_idl_has_ever_connected(const struct ovsdb_idl *idl) return ovsdb_idl_get_seqno(idl) != 0; } +/* Reconfigures 'idl' so that it would reconnect to the database, if + * connection was dropped. */ +void +ovsdb_idl_enable_reconnect(struct ovsdb_idl *idl) +{ + jsonrpc_session_enable_reconnect(idl->session); +} + /* Forces 'idl' to drop its connection to the database and reconnect. In the * meantime, the contents of 'idl' will not change. */ void @@ -412,6 +419,18 @@ ovsdb_idl_verify_write_only(struct ovsdb_idl *idl) { idl->verify_write_only = true; } + +bool +ovsdb_idl_is_alive(const struct ovsdb_idl *idl) +{ + return jsonrpc_session_is_alive(idl->session); +} + +int +ovsdb_idl_get_last_error(const struct ovsdb_idl *idl) +{ + return jsonrpc_session_get_last_error(idl->session); +} static unsigned char * ovsdb_idl_get_mode(struct ovsdb_idl *idl, @@ -430,7 +449,7 @@ ovsdb_idl_get_mode(struct ovsdb_idl *idl, } } - NOT_REACHED(); + OVS_NOT_REACHED(); } static void @@ -494,7 +513,7 @@ ovsdb_idl_add_table(struct ovsdb_idl *idl, } } - NOT_REACHED(); + OVS_NOT_REACHED(); } /* Turns off OVSDB_IDL_ALERT for 'column' in 'idl'. @@ -1227,7 +1246,6 @@ ovsdb_idl_txn_create(struct ovsdb_idl *idl) txn->error = NULL; txn->dry_run = false; ds_init(&txn->comment); - txn->commit_seqno = txn->idl->change_seqno; txn->inc_table = NULL; txn->inc_column = NULL; @@ -1826,10 +1844,10 @@ ovsdb_idl_txn_complete(struct ovsdb_idl_txn *txn, * Takes ownership of what 'datum' points to (and in some cases destroys that * data before returning) but makes a copy of 'datum' itself. (Commonly * 'datum' is on the caller's stack.) */ -void -ovsdb_idl_txn_write(const struct ovsdb_idl_row *row_, - const struct ovsdb_idl_column *column, - struct ovsdb_datum *datum) +static void +ovsdb_idl_txn_write__(const struct ovsdb_idl_row *row_, + const struct ovsdb_idl_column *column, + struct ovsdb_datum *datum, bool owns_datum) { struct ovsdb_idl_row *row = CONST_CAST(struct ovsdb_idl_row *, row_); const struct ovsdb_idl_table_class *class; @@ -1837,8 +1855,7 @@ ovsdb_idl_txn_write(const struct ovsdb_idl_row *row_, bool write_only; if (ovsdb_idl_row_is_synthetic(row)) { - ovsdb_datum_destroy(datum, &column->type); - return; + goto discard_datum; } class = row->table->class; @@ -1853,8 +1870,7 @@ ovsdb_idl_txn_write(const struct ovsdb_idl_row *row_, if (row->table->idl->verify_write_only && !write_only) { VLOG_ERR("Bug: Attempt to write to a read/write column (%s:%s) when" " explicitly configured not to.", class->name, column->name); - ovsdb_datum_destroy(datum, &column->type); - return; + goto discard_datum; } /* If this is a write-only column and the datum being written is the same @@ -1870,8 +1886,7 @@ ovsdb_idl_txn_write(const struct ovsdb_idl_row *row_, * ovsdb_idl_txn_commit().) */ if (write_only && ovsdb_datum_equals(ovsdb_idl_read(row, column), datum, &column->type)) { - ovsdb_datum_destroy(datum, &column->type); - return; + goto discard_datum; } if (hmap_node_is_null(&row->txn_node)) { @@ -1889,9 +1904,36 @@ ovsdb_idl_txn_write(const struct ovsdb_idl_row *row_, } else { bitmap_set1(row->written, column_idx); } - row->new[column_idx] = *datum; + if (owns_datum) { + row->new[column_idx] = *datum; + } else { + ovsdb_datum_clone(&row->new[column_idx], datum, &column->type); + } (column->unparse)(row); (column->parse)(row, &row->new[column_idx]); + return; + +discard_datum: + if (owns_datum) { + ovsdb_datum_destroy(datum, &column->type); + } +} + +void +ovsdb_idl_txn_write(const struct ovsdb_idl_row *row, + const struct ovsdb_idl_column *column, + struct ovsdb_datum *datum) +{ + ovsdb_idl_txn_write__(row, column, datum, true); +} + +void +ovsdb_idl_txn_write_clone(const struct ovsdb_idl_row *row, + const struct ovsdb_idl_column *column, + const struct ovsdb_datum *datum) +{ + ovsdb_idl_txn_write__(row, column, + CONST_CAST(struct ovsdb_datum *, datum), false); } /* Causes the original contents of 'column' in 'row_' to be verified as a @@ -2071,7 +2113,7 @@ ovsdb_idl_txn_process_inc_reply(struct ovsdb_idl_txn *txn, if (txn->inc_index + 2 > results->n) { VLOG_WARN_RL(&syntax_rl, "reply does not contain enough operations " - "for increment (has %zu, needs %u)", + "for increment (has %"PRIuSIZE", needs %u)", results->n, txn->inc_index + 2); return false; } @@ -2096,7 +2138,7 @@ ovsdb_idl_txn_process_inc_reply(struct ovsdb_idl_txn *txn, return false; } if (rows->u.array.n != 1) { - VLOG_WARN_RL(&syntax_rl, "\"select\" reply \"rows\" has %zu elements " + VLOG_WARN_RL(&syntax_rl, "\"select\" reply \"rows\" has %"PRIuSIZE" elements " "instead of 1", rows->u.array.n); return false; @@ -2126,7 +2168,7 @@ ovsdb_idl_txn_process_insert_reply(struct ovsdb_idl_txn_insert *insert, if (insert->op_index >= results->n) { VLOG_WARN_RL(&syntax_rl, "reply does not contain enough operations " - "for insert (has %zu, needs %u)", + "for insert (has %"PRIuSIZE", needs %u)", results->n, insert->op_index); return false; }