diff options
author | Ben Pfaff <blp@nicira.com> | 2009-12-16 10:49:31 -0800 |
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committer | Ben Pfaff <blp@nicira.com> | 2009-12-16 10:56:04 -0800 |
commit | e9f8f9367e9e654b9582279608af86ea3744a2a0 (patch) | |
tree | cf2e666f93b00d94d673c1569299d8cee0ce8c16 /ovsdb/execution.c | |
parent | a105c27b4e24ac0d29ba131eca00793bc3385dca (diff) |
ovsdb: Add new "mutation" operation to transactions.
Diffstat (limited to 'ovsdb/execution.c')
-rw-r--r-- | ovsdb/execution.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/ovsdb/execution.c b/ovsdb/execution.c index 932bee23..67f6b8d0 100644 --- a/ovsdb/execution.c +++ b/ovsdb/execution.c @@ -22,6 +22,7 @@ #include "condition.h" #include "file.h" #include "json.h" +#include "mutation.h" #include "ovsdb-data.h" #include "ovsdb-error.h" #include "ovsdb-parser.h" @@ -50,6 +51,7 @@ typedef struct ovsdb_error *ovsdb_operation_executor(struct ovsdb_execution *, static ovsdb_operation_executor ovsdb_execute_insert; static ovsdb_operation_executor ovsdb_execute_select; static ovsdb_operation_executor ovsdb_execute_update; +static ovsdb_operation_executor ovsdb_execute_mutate; static ovsdb_operation_executor ovsdb_execute_delete; static ovsdb_operation_executor ovsdb_execute_wait; static ovsdb_operation_executor ovsdb_execute_commit; @@ -68,6 +70,7 @@ lookup_executor(const char *name) { "insert", ovsdb_execute_insert }, { "select", ovsdb_execute_select }, { "update", ovsdb_execute_update }, + { "mutate", ovsdb_execute_mutate }, { "delete", ovsdb_execute_delete }, { "wait", ovsdb_execute_wait }, { "commit", ovsdb_execute_commit }, @@ -414,6 +417,64 @@ ovsdb_execute_update(struct ovsdb_execution *x, struct ovsdb_parser *parser, return error; } +struct mutate_row_cbdata { + size_t n_matches; + struct ovsdb_txn *txn; + const struct ovsdb_mutation_set *mutations; +}; + +static bool +mutate_row_cb(const struct ovsdb_row *row, void *mr_) +{ + struct mutate_row_cbdata *mr = mr_; + + mr->n_matches++; + ovsdb_mutation_set_execute(ovsdb_txn_row_modify(mr->txn, row), + mr->mutations); + + return true; +} + +struct ovsdb_error * +ovsdb_execute_mutate(struct ovsdb_execution *x, struct ovsdb_parser *parser, + struct json *result) +{ + struct ovsdb_table *table; + const struct json *where; + const struct json *mutations_json; + struct ovsdb_condition condition = OVSDB_CONDITION_INITIALIZER; + struct ovsdb_mutation_set mutations = OVSDB_MUTATION_SET_INITIALIZER; + struct ovsdb_row *row = NULL; + struct mutate_row_cbdata mr; + struct ovsdb_error *error; + + table = parse_table(x, parser, "table"); + where = ovsdb_parser_member(parser, "where", OP_ARRAY); + mutations_json = ovsdb_parser_member(parser, "mutations", OP_ARRAY); + error = ovsdb_parser_get_error(parser); + if (!error) { + error = ovsdb_mutation_set_from_json(table->schema, mutations_json, + x->symtab, &mutations); + } + if (!error) { + error = ovsdb_condition_from_json(table->schema, where, x->symtab, + &condition); + } + if (!error) { + mr.n_matches = 0; + mr.txn = x->txn; + mr.mutations = &mutations; + ovsdb_query(table, &condition, mutate_row_cb, &mr); + json_object_put(result, "count", json_integer_create(mr.n_matches)); + } + + ovsdb_row_destroy(row); + ovsdb_mutation_set_destroy(&mutations); + ovsdb_condition_destroy(&condition); + + return error; +} + struct delete_row_cbdata { size_t n_matches; const struct ovsdb_table *table; |