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* misc: move include files to include/qemu/Paolo Bonzini2012-12-194-5/+5
| | | | Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qapi: move include files to include/qobject/Paolo Bonzini2012-12-1918-367/+29Star
| | | | Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qapi: make struct Visitor opaquePaolo Bonzini2012-12-192-40/+40
| | | | | Move its definition from qapi-visit-core.h to qapi-visit-impl.h. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qapi: remove qapi/qapi-types-core.hPaolo Bonzini2012-12-196-22/+5Star
| | | | | | The file is only including error.h and qerror.h. Prefer explicit inclusion of whatever files are needed. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qapi: move inclusions of qemu-common.h from headers to .c filesPaolo Bonzini2012-12-193-1/+2
| | | | Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qapi/qmp-registry.c: Include headers it needsEduardo Habkost2012-12-061-0/+2
| | | | | | | | | | | | | Include: - <glib.h> for g_malloc0() - <string.h> for strcmp() Some of those headers were probably being included by accident because some other headers were including qemu-common.h, but those headers should eventually stop including qemu-common.h. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
* qapi: fix qapi_dealloc_type_size parameter typeBruce Rogers2012-11-291-1/+1
| | | | | | | | | | | The second parameter to qapi_dealloc_type_size should be a uint64_t *, not a size_t *. This was causing our 32 bit x86 build to fail, since warnings are treated as errors. Signed-off-by: Bruce Rogers <brogers@suse.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* qapi: handle visitor->type_size() in QapiDeallocVisitorStefan Hajnoczi2012-11-261-0/+6
| | | | | | | | | | | | | | | | | | visit_type_size() requires either visitor->type_size() or visitor_uint64() to be implemented, otherwise a NULL function pointer is invoked. It is possible to trigger this crash as follows: $ qemu-system-x86_64 -netdev tap,sndbuf=0,id=netdev0 \ -device virtio-blk-pci,netdev=netdev0 The 'sndbuf' option has type "size". Reviewed-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* build: opts-visitor is not really part of QAPIPaolo Bonzini2012-10-301-1/+3
| | | | | | It is only used by QEMU itself, do not build it into the tests. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qapi: Fix memory leakStefan Weil2012-08-201-1/+1
| | | | | | | | | | | | | | | | | | | | valgrind report: ==24534== 232 bytes in 2 blocks are definitely lost in loss record 1,245 of 1,601 ==24534== at 0x4824F20: malloc (vg_replace_malloc.c:236) ==24534== by 0x293C88: malloc_and_trace (vl.c:2281) ==24534== by 0x489AD99: ??? (in /lib/libglib-2.0.so.0.2400.1) ==24534== by 0x489B23B: g_malloc0 (in /lib/libglib-2.0.so.0.2400.1) ==24534== by 0x2B4EFC: opts_visitor_new (opts-visitor.c:376) ==24534== by 0x29DEA5: net_client_init (net.c:708) ==24534== by 0x29E6C7: net_init_client (net.c:966) ==24534== by 0x2C2179: qemu_opts_foreach (qemu-option.c:1114) ==24534== by 0x29E85B: net_init_clients (net.c:1008) ==24534== by 0x296F40: main (vl.c:3463) Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* error: drop error_get_qobject()/error_set_qobject()Luiz Capitulino2012-08-131-1/+0Star
| | | | | | | | error_get_qobject() is unused since last commit, error_set_qobject() has never been used. Also drops error_int.h. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
* qemu-ga: switch to the new error format on the wireLuiz Capitulino2012-08-132-1/+10
| | | | | | | | | | | | | | | | | | | | IMPORTANT: this BREAKS qemu-ga compatibility for the error response. Instead of returning something like: { "error": { "class": "InvalidParameterValue", "data": {"name": "mode", "expected": "halt|powerdown|reboot" } } } qemu-ga now returns: { "error": { "class": "GenericError", "desc": "Parameter 'mode' expects halt|powerdown|reboot" } } Notice that this is also a bug fix, as qemu-ga wasn't returning the human message. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
* qapi: introduce OptsVisitorLaszlo Ersek2012-07-233-1/+459
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This visitor supports parsing -option [type=]discriminator[,optarg1=val1][,optarg2=val2][,...] style QemuOpts objects into "native" C structures. After defining the type tree in the qapi schema (see below), a root type traversal with this visitor linked to the underlying QemuOpts object will build the "native" C representation of the option. The type tree in the schema, corresponding to an option with a discriminator, must have the following structure: struct scalar member for non-discriminated optarg 1 [*] list for repeating non-discriminated optarg 2 [*] wrapper struct single scalar member union struct for discriminator case 1 scalar member for optarg 3 [*] list for repeating optarg 4 [*] wrapper struct single scalar member scalar member for optarg 5 [*] struct for discriminator case 2 ... The "type" optarg name is fixed for the discriminator role. Its schema representation is "union of structures", and each discriminator value must correspond to a member name in the union. If the option takes no "type" descriminator, then the type subtree rooted at the union must be absent from the schema (including the union itself). Optarg values can be of scalar types str / bool / integers / size. Members marked with [*] may be defined as optional in the schema, describing an optional optarg. Repeating an optarg is supported; its schema representation must be "list of structure with single mandatory scalar member". If an optarg is not described as repeating in the schema (ie. it is defined as a scalar field instead of a list), its last occurrence will take effect. Ordering between differently named optargs is not preserved. A mandatory list (or an optional one which is reported to be available), corresponding to a repeating optarg, has at least one element after successful parsing. v1->v2: - Update opts_type_size() prototype to uint64_t. - Add opts_type_uint64() for options needing the full uint64_t range. (Internals could be extracted to "cutils.c".) - Allow negative values in opts_type_int(). - Rebase to nested Makefiles. v2->v3: - Factor opts_visitor_insert() out of opts_start_struct() and call it separately for opts_root->id if there's any. - Don't require non-negative values in opts_type_int()'s error message. - g_malloc0() may return NULL for zero-sized requests. Support empty structures by requesting 1 byte for them instead. Signed-off-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
* qapi: introduce "size" typeLaszlo Ersek2012-07-232-0/+10
| | | | | | | | v1->v2: - fall back to uint64 rather than int Signed-off-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
* qapi: fix error propagationPaolo Bonzini2012-07-231-6/+4Star
| | | | | | | | | | | | | | | | | | | | | | Don't overwrite / leak previously set errors. Make traversal cope with missing mandatory sub-structs. Don't try to end a container that could not be started. v1->v2: - unchanged v2->v3: - instead of examining, assert that we never overwrite errors with error_set() - allow visitors to set a NULL struct pointer successfully, so traversal of incomplete objects can continue - check for a NULL "obj" before accessing "(*obj)->has_XXX" (this is not a typo, "obj != NULL" implies "*obj != NULL" here) - fix start_struct / end_struct balance for unions as well Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
* qapi: input_type_enum(): fix error messageLuiz Capitulino2012-07-131-1/+1
| | | | | | | | | | | | The enum string is pointed to by 'enum_str' not 'name'. This bug causes the error message to be: { "error": { "class": "InvalidParameter", "desc": "Invalid parameter 'null'", "data": { "name": "null" } } } Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Amos Kong <akong@redhat.com>
* qmp: do not include monitor.h from qapi-types-core.hPaolo Bonzini2012-06-151-3/+1Star
| | | | | | | | The comment is stale, monitor.h is not needed anymore (only qerror.h is, because it contains the schema for errors). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* qapi: String visitor, use %f representation for floatsMichael Roth2012-06-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Currently string-output-visitor formats floats as %g, which is nice in that trailing 0's are automatically truncated, but otherwise this causes some issues: - it uses 6 significant figures instead of 6 decimal places, which means something like 155777.5 (which even has an exact floating point representation) will be rounded to 155778 when converted to a string. - output will be presented in scientific notation when the normalized form requires a 10^x multiplier. Not a huge deal, but arguably less readable for command-line arguments. - due to using scientific notation for numbers requiring more than 6 significant figures, instead of hard-defined decimal places, it fails a lot of the test-visitor-serialization unit tests for floats. Instead, let's just use %f, which is what the QJSON and the QMP visitors use. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
* qapi: Add Visitor interfaces for uint*_t and int*_tMichael Roth2012-06-082-0/+155
| | | | | | | | | | | | | | | This adds visitor interfaces for fixed-width integers types. Implementing these in visitors is optional, otherwise we fall back to visit_type_int() (int64_t) with some additional bounds checking to avoid integer overflows for cases where the value fetched exceeds the bounds of our target C type. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> [LE: exclude negative values in uint*_t Visitor interfaces] Signed-off-by: Laszlo Ersek <lersek@redhat.com> [AF: Merged fix by Laszlo] Signed-off-by: Andreas Färber <afaerber@suse.de>
* build: move qapi/ objects to nested Makefile.objsPaolo Bonzini2012-06-071-0/+3
| | | | Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qapi: add support for command optionsLuiz Capitulino2012-05-153-4/+18
| | | | | | | | | | | | | Options allow for changes in commands behavior. This commit introduces the QCO_NO_SUCCESS_RESP option, which causes a command to not emit a success response. This is needed by commands such as qemu-ga's guest-shutdown, which may not be able to complete before the VM vanishes. In this case, it's useful and simpler not to bother sending a success response. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
* qapi: QMP input visitor, handle floats parsed as intsMichael Roth2012-05-141-3/+8
| | | | | | | | | | | JSON numbers can be interpreted as either integers or floating point values depending on their representation. As a result, QMP input visitor might visit a QInt when it was expecting a QFloat, so add handling to account for this. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Acked-by: Andreas Färber <afaerber@suse.de>
* qemu-ga: add a whitelist for fsfreeze-safe commandsMichael Roth2012-04-302-2/+13
| | | | | | | | | | | | Currently we rely on fsfreeze/thaw commands disabling/enabling logging then having other commands check whether logging is disabled to avoid executing if they aren't safe for running while a filesystem is frozen. Instead, have an explicit whitelist of fsfreeze-safe commands, and consolidate logging and command enablement/disablement into a pair of helper functions: ga_set_frozen()/ga_unset_frozen() Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
* qapi: g_hash_table_find() instead of GHashTableIter.NODA, Kai2012-04-231-8/+17
| | | | | | | | | GHashTableIter was first introduced in glib 2.16. This patch removes it in favor of older g_hash_table_find() for better compatibility with RHEL5. Signed-off-by: NODA, Kai <nodakai@gmail.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* qapi: add strict mode to input visitorPaolo Bonzini2012-03-272-3/+47
| | | | | | | | | | | | While QMP in general is designed so that it is possible to ignore unknown arguments, in the case of the QMP server it is better to reject them to detect bad clients. In fact, we're already doing this at the top level in the argument checker. To extend this to complex structures, add a mode to the input visitor where it checks for unvisited keys and raises an error if it finds one. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* qapi: place outermost object on qiv stackPaolo Bonzini2012-03-271-24/+17Star
| | | | | | | | | | | | | | This is a slight change in the implementation of QMPInputVisitor that helps when adding strict mode. Const QObjects cannot be inc/decref-ed, and that's why QMPInputVisitor relies heavily on weak references to inner objects. I'm not removing the weak references now, but since refcount+const is a lost battle in C (C++ has "mutable") I think removing const is fine in this case. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* qapi: untangle next_listPaolo Bonzini2012-03-271-9/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Right now, the semantics of next_list are complicated. The caller must: * call start_list * call next_list for each element *including the first* * on the first call to next_list, the second argument should point to NULL and the result is the head of the list. On subsequent calls, the second argument should point to the last node (last result of next_list) and next_list itself tacks the element at the tail of the list. This works for both input and output visitor, but having the visitor write memory when it is only reading the list is ugly. Plus, relying on *list to detect the first call is tricky and undocumented. We can initialize so->entry in next_list instead of start_list, leaving it NULL in start_list. This way next_list sees clearly whether it is on the first call---as a bonus, it discriminates the cases based on internal state of the visitor rather than external state. We can also pull the assignment of the list head from generated code up to next_list. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* qapi: fix memory leak on errorPaolo Bonzini2012-03-271-2/+4
| | | | | | | | | QmpInputVisitor would leak the malloced struct if the stack was overflowed. This can be easily fixed using error_propagate. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* qapi: fail hard on stack imbalancePaolo Bonzini2012-03-271-4/+1Star
| | | | | | | | | QmpOutputVisitor will segfault if an imbalanced end function is called. So we can abort in QmpInputVisitor too. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* qapi: fix double free in qmp_output_visitor_cleanup()Laszlo Ersek2012-03-271-3/+5
| | | | | | | | | | | | | | | Stack entries in QmpOutputVisitor are navigation links (weak references), except the bottom (ie. least recently added) entry, which owns the root QObject [1]. Make qmp_output_visitor_cleanup() drop the stack entries, then release the QObject tree by the root. Attempting to serialize an invalid enum inside a dictionary is an example for triggering the double free. [1] http://lists.nongnu.org/archive/html/qemu-devel/2012-03/msg03276.html Signed-off-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* qapi: add string-based visitorsPaolo Bonzini2012-02-214-0/+278
| | | | | | | | String based visitors provide a consistent interface for parsing strings to C values, as well as consuming C values as strings. They will be used to parse command-line options. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qapi: drop qmp_input_end_optionalPaolo Bonzini2012-02-211-5/+0Star
| | | | | | This method is optional, do not implement it if it is empty. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qapi: allow sharing enum implementation across visitorsPaolo Bonzini2012-02-214-52/+78
| | | | | | | Most visitors will use the same code for enum parsing. Move it to the core. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* qapi: protect against NULL QObject in qmp_input_get_objectPaolo Bonzini2011-12-191-4/+6
| | | | | | | | | | | | | | A NULL qobj can occur when a parameter is fetched via qdict_get, but the parameter is not in the command. By returning NULL, the caller can choose whether to raise a missing parameter error, an invalid parameter type error, or use a default value. For example, qom-set could can use this to reset a property to its default value, though at this time it will fail with "Invalid parameter type". In any case, anything is better than crashing! Reviewed-by: Anthony Liguori <anthony@codemonkey.ws> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* guest agent: add supported command list to guest-info RPCMichael Roth2011-12-132-0/+14
| | | | | | | | | | | Not that there is blacklisting functionality we can no longer infer the agent's capabilities via version. This patch extends the current guest-info RPC to also return a list of dictionaries containing the name of each supported RPC, along with a boolean indicating whether or not the command has been disabled by a guest administrator/distro. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* guest agent: add RPC blacklist command-line optionMichael Roth2011-12-133-5/+45
| | | | | | | | | | | | | | | | | | | This adds a command-line option, -b/--blacklist, that accepts a comma-seperated list of RPCs to disable, or prints a list of available RPCs if passed "?". In consequence this also adds general blacklisting and RPC listing facilities to the new QMP dispatch/registry facilities, should the QMP monitor ever have a need for such a thing. Ideally, to avoid support/compatability issues in the future, blacklisting guest agent functionality will be the exceptional case, but we add the functionality here to handle guest administrators with specific requirements. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* qapi: Check for negative enum valuesLuiz Capitulino2011-11-171-1/+1
| | | | | | | | | | We don't currently check for negative enum values in qmp_output_type_enum(), this will very likely generate a segfault when triggered. However, it _seems_ that no code in tree can trigger this today. Acked-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* qapi: modify visitor code generation for list iterationMichael Roth2011-10-042-6/+18
| | | | | | | | | | | | Modify logic such that we never assign values to the list head argument to progress through the list on subsequent iterations, instead rely only on having our return value passed back in as an argument on the next call. Also update QMP I/O visitors and test cases accordingly, and add a missing test case for QmpOutputVisitor. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* qapi: dealloc visitor, support freeing of nested listsMichael Roth2011-10-041-7/+21
| | | | | | | | | | Previously our logic for keeping track of when we're visiting the head of a list was done via a global bool. This can be overwritten if dealing with nested lists, so use stack entries to track this instead. Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* qapi: dealloc visitor, fix premature free and iteration logicMichael Roth2011-10-041-5/+15
| | | | | | | | | | | | | | | | | | | | | | Currently we do 3 things wrong: 1) The list iterator, in practice, is used in a manner where the pointer we pass in is the same as the pointer we assign the output to from visit_next_list(). This causes an infinite loop where we keep freeing the same structures. 2) We attempt to free list->value rather than list. visit_type_<type> handles this. We should only be concerned with the containing list. 3) We free prematurely: iterator function will continue accessing values we've already freed. This patch should fix all of these issues. QmpOutputVisitor also suffers from 1). Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* qapi: add code generation support for middle modeAnthony Liguori2011-10-041-0/+3
| | | | | | | | | | | | | | | | To get the ball rolling merging QAPI, this patch introduces a "middle mode" to the code generator. In middle mode, the code generator generates marshalling functions that are compatible with the current QMP server. We absolutely need to replace the current QMP server in order to support proper asynchronous commands but using a middle mode provides a middle-ground that lets us start converting commands in tree. Note that all of the commands have been converted already in my glib branch. Middle mode only exists until we finish merging them from my branch into the main tree. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* Use glib memory allocation and free functionsAnthony Liguori2011-08-214-19/+19
| | | | | | qemu_malloc/qemu_free no longer exist after this commit. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* qapi: add QMP dispatch functionsMichael Roth2011-07-212-0/+126
| | | | | | | | | | | | Given an object recieved via QMP, this code uses the dispatch table provided by qmp_registry.c to call the corresponding marshalling/dispatch function and format return values/errors for delivery to the QMP. Currently only synchronous QMP functions are supported, but this will also be used for async QMP functions and QMP guest proxy dispatch as well. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
* qapi: add QMP command registration/lookup functionsMichael Roth2011-07-212-0/+79
| | | | | | | | Registration/lookup functions for that provide a lookup table for dispatching QMP commands. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
* qapi: add QAPI dealloc visitorMichael Roth2011-07-212-0/+173
| | | | | | | | Type of Visitor class that can be passed into a qapi-generated C type's visitor function to free() any heap-allocated data types. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
* qapi: add QMP output visitorMichael Roth2011-07-212-0/+267
| | | | | | | | | | | Type of Visiter class that serves as the inverse of the input visitor: it takes a series of native C types and uses their values to construct a corresponding QObject. The command marshaling/dispatcher functions will use this to convert the output of QMP functions into a QObject that can be sent over the wire. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
* qapi: add QMP input visitorMichael Roth2011-07-212-0/+328
| | | | | | | | | | | A type of Visiter class that is used to walk a qobject's structure and assign each entry to the corresponding native C type. Command marshaling function will use this to pull out QMP command parameters recieved over the wire and pass them as native arguments to the corresponding C functions. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
* qapi: add QAPI visitor coreMichael Roth2011-07-213-0/+214
Base definitions/includes for Visiter interface used by generated visiter/marshalling code. Includes a GenericList type. Our lists require an embedded element. Since these types are generated, if you want to use them in a different type of data structure, there's no easy way to add another embedded element. The solution is to have non-embedded lists and that what this is. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-11-14 04:32:00 +0100