|
|
|
|
@ -45,29 +45,38 @@ |
|
|
|
|
extern "C" { |
|
|
|
|
#endif |
|
|
|
|
|
|
|
|
|
/* Completion Queues enable notification of the completion of asynchronous
|
|
|
|
|
/*! \mainpage GRPC Core
|
|
|
|
|
* |
|
|
|
|
* \section intro_sec The GRPC Core library is a low-level library designed |
|
|
|
|
* to be wrapped by higher level libraries. |
|
|
|
|
* |
|
|
|
|
* The top-level API is provided in grpc.h.
|
|
|
|
|
* Security related functionality lives in grpc_security.h. |
|
|
|
|
*/ |
|
|
|
|
|
|
|
|
|
/** Completion Queues enable notification of the completion of asynchronous
|
|
|
|
|
actions. */ |
|
|
|
|
typedef struct grpc_completion_queue grpc_completion_queue; |
|
|
|
|
|
|
|
|
|
/* The Channel interface allows creation of Call objects. */ |
|
|
|
|
/** The Channel interface allows creation of Call objects. */ |
|
|
|
|
typedef struct grpc_channel grpc_channel; |
|
|
|
|
|
|
|
|
|
/* A server listens to some port and responds to request calls */ |
|
|
|
|
/** A server listens to some port and responds to request calls */ |
|
|
|
|
typedef struct grpc_server grpc_server; |
|
|
|
|
|
|
|
|
|
/* A Call represents an RPC. When created, it is in a configuration state
|
|
|
|
|
/** A Call represents an RPC. When created, it is in a configuration state
|
|
|
|
|
allowing properties to be set until it is invoked. After invoke, the Call |
|
|
|
|
can have messages written to it and read from it. */ |
|
|
|
|
typedef struct grpc_call grpc_call; |
|
|
|
|
|
|
|
|
|
/* Type specifier for grpc_arg */ |
|
|
|
|
/** Type specifier for grpc_arg */ |
|
|
|
|
typedef enum { |
|
|
|
|
GRPC_ARG_STRING, |
|
|
|
|
GRPC_ARG_INTEGER, |
|
|
|
|
GRPC_ARG_POINTER |
|
|
|
|
} grpc_arg_type; |
|
|
|
|
|
|
|
|
|
/* A single argument... each argument has a key and a value
|
|
|
|
|
/** A single argument... each argument has a key and a value
|
|
|
|
|
|
|
|
|
|
A note on naming keys: |
|
|
|
|
Keys are namespaced into groups, usually grouped by library, and are |
|
|
|
|
@ -77,7 +86,7 @@ typedef enum { |
|
|
|
|
|
|
|
|
|
GRPC core library keys are prefixed by grpc. |
|
|
|
|
|
|
|
|
|
Library authors are strongly encouraged to #define symbolic constants for |
|
|
|
|
Library authors are strongly encouraged to \#define symbolic constants for |
|
|
|
|
their keys so that it's possible to change them in the future. */ |
|
|
|
|
typedef struct { |
|
|
|
|
grpc_arg_type type; |
|
|
|
|
@ -107,16 +116,22 @@ typedef struct { |
|
|
|
|
} grpc_channel_args; |
|
|
|
|
|
|
|
|
|
/* Channel argument keys: */ |
|
|
|
|
/* Enable census for tracing and stats collection */ |
|
|
|
|
/** Enable census for tracing and stats collection */ |
|
|
|
|
#define GRPC_ARG_ENABLE_CENSUS "grpc.census" |
|
|
|
|
/* Maximum number of concurrent incoming streams to allow on a http2
|
|
|
|
|
/** Maximum number of concurrent incoming streams to allow on a http2
|
|
|
|
|
connection */ |
|
|
|
|
#define GRPC_ARG_MAX_CONCURRENT_STREAMS "grpc.max_concurrent_streams" |
|
|
|
|
/* Maximum message length that the channel can receive */ |
|
|
|
|
/** Maximum message length that the channel can receive */ |
|
|
|
|
#define GRPC_ARG_MAX_MESSAGE_LENGTH "grpc.max_message_length" |
|
|
|
|
/* Initial sequence number for http2 transports */ |
|
|
|
|
/** Initial sequence number for http2 transports */ |
|
|
|
|
#define GRPC_ARG_HTTP2_INITIAL_SEQUENCE_NUMBER \ |
|
|
|
|
"grpc.http2.initial_sequence_number" |
|
|
|
|
/** Primary user agent: goes at the start of the user-agent metadata
|
|
|
|
|
sent on each request */ |
|
|
|
|
#define GRPC_ARG_PRIMARY_USER_AGENT_STRING "grpc.primary_user_agent" |
|
|
|
|
/** Secondary user agent: goes at the end of the user-agent metadata
|
|
|
|
|
sent on each request */ |
|
|
|
|
#define GRPC_ARG_SECONDARY_USER_AGENT_STRING "grpc.secondary_user_agent" |
|
|
|
|
|
|
|
|
|
/** Connectivity state of a channel. */ |
|
|
|
|
typedef enum { |
|
|
|
|
@ -132,57 +147,57 @@ typedef enum { |
|
|
|
|
GRPC_CHANNEL_FATAL_FAILURE |
|
|
|
|
} grpc_connectivity_state; |
|
|
|
|
|
|
|
|
|
/* Result of a grpc call. If the caller satisfies the prerequisites of a
|
|
|
|
|
/** Result of a grpc call. If the caller satisfies the prerequisites of a
|
|
|
|
|
particular operation, the grpc_call_error returned will be GRPC_CALL_OK. |
|
|
|
|
Receiving any other value listed here is an indication of a bug in the |
|
|
|
|
caller. */ |
|
|
|
|
typedef enum grpc_call_error { |
|
|
|
|
/* everything went ok */ |
|
|
|
|
/** everything went ok */ |
|
|
|
|
GRPC_CALL_OK = 0, |
|
|
|
|
/* something failed, we don't know what */ |
|
|
|
|
/** something failed, we don't know what */ |
|
|
|
|
GRPC_CALL_ERROR, |
|
|
|
|
/* this method is not available on the server */ |
|
|
|
|
/** this method is not available on the server */ |
|
|
|
|
GRPC_CALL_ERROR_NOT_ON_SERVER, |
|
|
|
|
/* this method is not available on the client */ |
|
|
|
|
/** this method is not available on the client */ |
|
|
|
|
GRPC_CALL_ERROR_NOT_ON_CLIENT, |
|
|
|
|
/* this method must be called before server_accept */ |
|
|
|
|
/** this method must be called before server_accept */ |
|
|
|
|
GRPC_CALL_ERROR_ALREADY_ACCEPTED, |
|
|
|
|
/* this method must be called before invoke */ |
|
|
|
|
/** this method must be called before invoke */ |
|
|
|
|
GRPC_CALL_ERROR_ALREADY_INVOKED, |
|
|
|
|
/* this method must be called after invoke */ |
|
|
|
|
/** this method must be called after invoke */ |
|
|
|
|
GRPC_CALL_ERROR_NOT_INVOKED, |
|
|
|
|
/* this call is already finished
|
|
|
|
|
/** this call is already finished
|
|
|
|
|
(writes_done or write_status has already been called) */ |
|
|
|
|
GRPC_CALL_ERROR_ALREADY_FINISHED, |
|
|
|
|
/* there is already an outstanding read/write operation on the call */ |
|
|
|
|
/** there is already an outstanding read/write operation on the call */ |
|
|
|
|
GRPC_CALL_ERROR_TOO_MANY_OPERATIONS, |
|
|
|
|
/* the flags value was illegal for this call */ |
|
|
|
|
/** the flags value was illegal for this call */ |
|
|
|
|
GRPC_CALL_ERROR_INVALID_FLAGS, |
|
|
|
|
/* invalid metadata was passed to this call */ |
|
|
|
|
/** invalid metadata was passed to this call */ |
|
|
|
|
GRPC_CALL_ERROR_INVALID_METADATA, |
|
|
|
|
/* completion queue for notification has not been registered with the server
|
|
|
|
|
*/ |
|
|
|
|
/** completion queue for notification has not been registered with the
|
|
|
|
|
server */ |
|
|
|
|
GRPC_CALL_ERROR_NOT_SERVER_COMPLETION_QUEUE |
|
|
|
|
} grpc_call_error; |
|
|
|
|
|
|
|
|
|
/* Write Flags: */ |
|
|
|
|
/* Hint that the write may be buffered and need not go out on the wire
|
|
|
|
|
/** Hint that the write may be buffered and need not go out on the wire
|
|
|
|
|
immediately. GRPC is free to buffer the message until the next non-buffered |
|
|
|
|
write, or until writes_done, but it need not buffer completely or at all. */ |
|
|
|
|
#define GRPC_WRITE_BUFFER_HINT (0x00000001u) |
|
|
|
|
/* Force compression to be disabled for a particular write
|
|
|
|
|
/** Force compression to be disabled for a particular write
|
|
|
|
|
(start_write/add_metadata). Illegal on invoke/accept. */ |
|
|
|
|
#define GRPC_WRITE_NO_COMPRESS (0x00000002u) |
|
|
|
|
/* Mask of all valid flags. */ |
|
|
|
|
/** Mask of all valid flags. */ |
|
|
|
|
#define GRPC_WRITE_USED_MASK (GRPC_WRITE_BUFFER_HINT | GRPC_WRITE_NO_COMPRESS) |
|
|
|
|
|
|
|
|
|
/* A single metadata element */ |
|
|
|
|
/** A single metadata element */ |
|
|
|
|
typedef struct grpc_metadata { |
|
|
|
|
const char *key; |
|
|
|
|
const char *value; |
|
|
|
|
size_t value_length; |
|
|
|
|
|
|
|
|
|
/* The following fields are reserved for grpc internal use.
|
|
|
|
|
/** The following fields are reserved for grpc internal use.
|
|
|
|
|
There is no need to initialize them, and they will be set to garbage during |
|
|
|
|
calls to grpc. */ |
|
|
|
|
struct { |
|
|
|
|
@ -235,42 +250,41 @@ void grpc_call_details_init(grpc_call_details *details); |
|
|
|
|
void grpc_call_details_destroy(grpc_call_details *details); |
|
|
|
|
|
|
|
|
|
typedef enum { |
|
|
|
|
/* Send initial metadata: one and only one instance MUST be sent for each
|
|
|
|
|
call, |
|
|
|
|
unless the call was cancelled - in which case this can be skipped */ |
|
|
|
|
/** Send initial metadata: one and only one instance MUST be sent for each
|
|
|
|
|
call, unless the call was cancelled - in which case this can be skipped */ |
|
|
|
|
GRPC_OP_SEND_INITIAL_METADATA = 0, |
|
|
|
|
/* Send a message: 0 or more of these operations can occur for each call */ |
|
|
|
|
/** Send a message: 0 or more of these operations can occur for each call */ |
|
|
|
|
GRPC_OP_SEND_MESSAGE, |
|
|
|
|
/* Send a close from the client: one and only one instance MUST be sent from
|
|
|
|
|
the client, |
|
|
|
|
unless the call was cancelled - in which case this can be skipped */ |
|
|
|
|
/** Send a close from the client: one and only one instance MUST be sent from
|
|
|
|
|
the client, unless the call was cancelled - in which case this can be
|
|
|
|
|
skipped */ |
|
|
|
|
GRPC_OP_SEND_CLOSE_FROM_CLIENT, |
|
|
|
|
/* Send status from the server: one and only one instance MUST be sent from
|
|
|
|
|
the server |
|
|
|
|
unless the call was cancelled - in which case this can be skipped */ |
|
|
|
|
/** Send status from the server: one and only one instance MUST be sent from
|
|
|
|
|
the server unless the call was cancelled - in which case this can be
|
|
|
|
|
skipped */ |
|
|
|
|
GRPC_OP_SEND_STATUS_FROM_SERVER, |
|
|
|
|
/* Receive initial metadata: one and only one MUST be made on the client, must
|
|
|
|
|
not be made on the server */ |
|
|
|
|
/** Receive initial metadata: one and only one MUST be made on the client,
|
|
|
|
|
must not be made on the server */ |
|
|
|
|
GRPC_OP_RECV_INITIAL_METADATA, |
|
|
|
|
/* Receive a message: 0 or more of these operations can occur for each call */ |
|
|
|
|
/** Receive a message: 0 or more of these operations can occur for each call */ |
|
|
|
|
GRPC_OP_RECV_MESSAGE, |
|
|
|
|
/* Receive status on the client: one and only one must be made on the client.
|
|
|
|
|
/** Receive status on the client: one and only one must be made on the client.
|
|
|
|
|
This operation always succeeds, meaning ops paired with this operation |
|
|
|
|
will also appear to succeed, even though they may not have. In that case |
|
|
|
|
the status will indicate some failure. |
|
|
|
|
*/ |
|
|
|
|
the status will indicate some failure. */ |
|
|
|
|
GRPC_OP_RECV_STATUS_ON_CLIENT, |
|
|
|
|
/* Receive close on the server: one and only one must be made on the server
|
|
|
|
|
*/ |
|
|
|
|
/** Receive close on the server: one and only one must be made on the
|
|
|
|
|
server */ |
|
|
|
|
GRPC_OP_RECV_CLOSE_ON_SERVER |
|
|
|
|
} grpc_op_type; |
|
|
|
|
|
|
|
|
|
/* Operation data: one field for each op type (except SEND_CLOSE_FROM_CLIENT
|
|
|
|
|
which has |
|
|
|
|
no arguments) */ |
|
|
|
|
/** Operation data: one field for each op type (except SEND_CLOSE_FROM_CLIENT
|
|
|
|
|
which has no arguments) */ |
|
|
|
|
typedef struct grpc_op { |
|
|
|
|
/** Operation type, as defined by grpc_op_type */ |
|
|
|
|
grpc_op_type op; |
|
|
|
|
gpr_uint32 flags; /**< Write flags bitset for grpc_begin_messages */ |
|
|
|
|
/** Write flags bitset for grpc_begin_messages */ |
|
|
|
|
gpr_uint32 flags;
|
|
|
|
|
union { |
|
|
|
|
struct { |
|
|
|
|
size_t count; |
|
|
|
|
@ -283,31 +297,28 @@ typedef struct grpc_op { |
|
|
|
|
grpc_status_code status; |
|
|
|
|
const char *status_details; |
|
|
|
|
} send_status_from_server; |
|
|
|
|
/* ownership of the array is with the caller, but ownership of the elements
|
|
|
|
|
/** ownership of the array is with the caller, but ownership of the elements
|
|
|
|
|
stays with the call object (ie key, value members are owned by the call |
|
|
|
|
object, recv_initial_metadata->array is owned by the caller). |
|
|
|
|
After the operation completes, call grpc_metadata_array_destroy on this |
|
|
|
|
value, or reuse it in a future op. */ |
|
|
|
|
grpc_metadata_array *recv_initial_metadata; |
|
|
|
|
/* ownership of the byte buffer is moved to the caller; the caller must call
|
|
|
|
|
/** ownership of the byte buffer is moved to the caller; the caller must call
|
|
|
|
|
grpc_byte_buffer_destroy on this value, or reuse it in a future op. */ |
|
|
|
|
grpc_byte_buffer **recv_message; |
|
|
|
|
struct { |
|
|
|
|
/* ownership of the array is with the caller, but ownership of the
|
|
|
|
|
elements |
|
|
|
|
stays with the call object (ie key, value members are owned by the call |
|
|
|
|
object, trailing_metadata->array is owned by the caller). |
|
|
|
|
/** ownership of the array is with the caller, but ownership of the
|
|
|
|
|
elements stays with the call object (ie key, value members are owned
|
|
|
|
|
by the call object, trailing_metadata->array is owned by the caller). |
|
|
|
|
After the operation completes, call grpc_metadata_array_destroy on this |
|
|
|
|
value, or reuse it in a future op. */ |
|
|
|
|
grpc_metadata_array *trailing_metadata; |
|
|
|
|
grpc_status_code *status; |
|
|
|
|
/* status_details is a buffer owned by the application before the op
|
|
|
|
|
completes |
|
|
|
|
and after the op has completed. During the operation status_details may |
|
|
|
|
be |
|
|
|
|
reallocated to a size larger than *status_details_capacity, in which |
|
|
|
|
case |
|
|
|
|
*status_details_capacity will be updated with the new array capacity. |
|
|
|
|
/** status_details is a buffer owned by the application before the op
|
|
|
|
|
completes and after the op has completed. During the operation |
|
|
|
|
status_details may be reallocated to a size larger than
|
|
|
|
|
*status_details_capacity, in which case *status_details_capacity will
|
|
|
|
|
be updated with the new array capacity. |
|
|
|
|
|
|
|
|
|
Pre-allocating space: |
|
|
|
|
size_t my_capacity = 8; |
|
|
|
|
@ -327,9 +338,8 @@ typedef struct grpc_op { |
|
|
|
|
size_t *status_details_capacity; |
|
|
|
|
} recv_status_on_client; |
|
|
|
|
struct { |
|
|
|
|
/* out argument, set to 1 if the call failed in any way (seen as a
|
|
|
|
|
cancellation |
|
|
|
|
on the server), or 0 if the call succeeded */ |
|
|
|
|
/** out argument, set to 1 if the call failed in any way (seen as a
|
|
|
|
|
cancellation on the server), or 0 if the call succeeded */ |
|
|
|
|
int *cancelled; |
|
|
|
|
} recv_close_on_server; |
|
|
|
|
} data; |
|
|
|
|
@ -379,7 +389,7 @@ grpc_event grpc_completion_queue_next(grpc_completion_queue *cq, |
|
|
|
|
grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cq, void *tag, |
|
|
|
|
gpr_timespec deadline); |
|
|
|
|
|
|
|
|
|
/* Begin destruction of a completion queue. Once all possible events are
|
|
|
|
|
/** Begin destruction of a completion queue. Once all possible events are
|
|
|
|
|
drained then grpc_completion_queue_next will start to produce |
|
|
|
|
GRPC_QUEUE_SHUTDOWN events only. At that point it's safe to call |
|
|
|
|
grpc_completion_queue_destroy. |
|
|
|
|
@ -388,11 +398,11 @@ grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cq, void *tag, |
|
|
|
|
NEW work is added to be published on this completion queue. */ |
|
|
|
|
void grpc_completion_queue_shutdown(grpc_completion_queue *cq); |
|
|
|
|
|
|
|
|
|
/* Destroy a completion queue. The caller must ensure that the queue is
|
|
|
|
|
/** Destroy a completion queue. The caller must ensure that the queue is
|
|
|
|
|
drained and no threads are executing grpc_completion_queue_next */ |
|
|
|
|
void grpc_completion_queue_destroy(grpc_completion_queue *cq); |
|
|
|
|
|
|
|
|
|
/* Create a call given a grpc_channel, in order to call 'method'. All
|
|
|
|
|
/** Create a call given a grpc_channel, in order to call 'method'. All
|
|
|
|
|
completions are sent to 'completion_queue'. 'method' and 'host' need only |
|
|
|
|
live through the invocation of this function. */ |
|
|
|
|
grpc_call *grpc_channel_create_call(grpc_channel *channel, |
|
|
|
|
@ -400,16 +410,16 @@ grpc_call *grpc_channel_create_call(grpc_channel *channel, |
|
|
|
|
const char *method, const char *host, |
|
|
|
|
gpr_timespec deadline); |
|
|
|
|
|
|
|
|
|
/* Pre-register a method/host pair on a channel. */ |
|
|
|
|
/** Pre-register a method/host pair on a channel. */ |
|
|
|
|
void *grpc_channel_register_call(grpc_channel *channel, const char *method, |
|
|
|
|
const char *host); |
|
|
|
|
|
|
|
|
|
/* Create a call given a handle returned from grpc_channel_register_call */ |
|
|
|
|
/** Create a call given a handle returned from grpc_channel_register_call */ |
|
|
|
|
grpc_call *grpc_channel_create_registered_call( |
|
|
|
|
grpc_channel *channel, grpc_completion_queue *completion_queue, |
|
|
|
|
void *registered_call_handle, gpr_timespec deadline); |
|
|
|
|
|
|
|
|
|
/* Start a batch of operations defined in the array ops; when complete, post a
|
|
|
|
|
/** Start a batch of operations defined in the array ops; when complete, post a
|
|
|
|
|
completion of type 'tag' to the completion queue bound to the call. |
|
|
|
|
The order of ops specified in the batch has no significance. |
|
|
|
|
Only one operation of each type can be active at once in any given |
|
|
|
|
@ -423,7 +433,7 @@ grpc_call *grpc_channel_create_registered_call( |
|
|
|
|
grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops, |
|
|
|
|
size_t nops, void *tag); |
|
|
|
|
|
|
|
|
|
/* Create a client channel to 'target'. Additional channel level configuration
|
|
|
|
|
/** Create a client channel to 'target'. Additional channel level configuration
|
|
|
|
|
MAY be provided by grpc_channel_args, though the expectation is that most |
|
|
|
|
clients will want to simply pass NULL. See grpc_channel_args definition for |
|
|
|
|
more on this. The data in 'args' need only live through the invocation of |
|
|
|
|
@ -431,10 +441,10 @@ grpc_call_error grpc_call_start_batch(grpc_call *call, const grpc_op *ops, |
|
|
|
|
grpc_channel *grpc_channel_create(const char *target, |
|
|
|
|
const grpc_channel_args *args); |
|
|
|
|
|
|
|
|
|
/* Create a lame client: this client fails every operation attempted on it. */ |
|
|
|
|
/** Create a lame client: this client fails every operation attempted on it. */ |
|
|
|
|
grpc_channel *grpc_lame_client_channel_create(void); |
|
|
|
|
|
|
|
|
|
/* Close and destroy a grpc channel */ |
|
|
|
|
/** Close and destroy a grpc channel */ |
|
|
|
|
void grpc_channel_destroy(grpc_channel *channel); |
|
|
|
|
|
|
|
|
|
/* Error handling for grpc_call
|
|
|
|
|
@ -443,14 +453,14 @@ void grpc_channel_destroy(grpc_channel *channel); |
|
|
|
|
If a grpc_call fails, it's guaranteed that no change to the call state |
|
|
|
|
has been made. */ |
|
|
|
|
|
|
|
|
|
/* Called by clients to cancel an RPC on the server.
|
|
|
|
|
/** Called by clients to cancel an RPC on the server.
|
|
|
|
|
Can be called multiple times, from any thread. |
|
|
|
|
THREAD-SAFETY grpc_call_cancel and grpc_call_cancel_with_status |
|
|
|
|
are thread-safe, and can be called at any point before grpc_call_destroy |
|
|
|
|
is called.*/ |
|
|
|
|
grpc_call_error grpc_call_cancel(grpc_call *call); |
|
|
|
|
|
|
|
|
|
/* Called by clients to cancel an RPC on the server.
|
|
|
|
|
/** Called by clients to cancel an RPC on the server.
|
|
|
|
|
Can be called multiple times, from any thread. |
|
|
|
|
If a status has not been received for the call, set it to the status code |
|
|
|
|
and description passed in. |
|
|
|
|
@ -460,20 +470,20 @@ grpc_call_error grpc_call_cancel_with_status(grpc_call *call, |
|
|
|
|
grpc_status_code status, |
|
|
|
|
const char *description); |
|
|
|
|
|
|
|
|
|
/* Destroy a call.
|
|
|
|
|
/** Destroy a call.
|
|
|
|
|
THREAD SAFETY: grpc_call_destroy is thread-compatible */ |
|
|
|
|
void grpc_call_destroy(grpc_call *call); |
|
|
|
|
|
|
|
|
|
/* Request notification of a new call. 'cq_for_notification' must
|
|
|
|
|
have been registered to the server via grpc_server_register_completion_queue. |
|
|
|
|
*/ |
|
|
|
|
/** Request notification of a new call. 'cq_for_notification' must
|
|
|
|
|
have been registered to the server via
|
|
|
|
|
grpc_server_register_completion_queue. */ |
|
|
|
|
grpc_call_error grpc_server_request_call( |
|
|
|
|
grpc_server *server, grpc_call **call, grpc_call_details *details, |
|
|
|
|
grpc_metadata_array *request_metadata, |
|
|
|
|
grpc_completion_queue *cq_bound_to_call, |
|
|
|
|
grpc_completion_queue *cq_for_notification, void *tag_new); |
|
|
|
|
|
|
|
|
|
/* Registers a method in the server.
|
|
|
|
|
/** Registers a method in the server.
|
|
|
|
|
Methods to this (host, method) pair will not be reported by |
|
|
|
|
grpc_server_request_call, but instead be reported by |
|
|
|
|
grpc_server_request_registered_call when passed the appropriate |
|
|
|
|
@ -483,9 +493,9 @@ grpc_call_error grpc_server_request_call( |
|
|
|
|
void *grpc_server_register_method(grpc_server *server, const char *method, |
|
|
|
|
const char *host); |
|
|
|
|
|
|
|
|
|
/* Request notification of a new pre-registered call. 'cq_for_notification' must
|
|
|
|
|
have been registered to the server via grpc_server_register_completion_queue. |
|
|
|
|
*/ |
|
|
|
|
/** Request notification of a new pre-registered call. 'cq_for_notification'
|
|
|
|
|
must have been registered to the server via
|
|
|
|
|
grpc_server_register_completion_queue. */ |
|
|
|
|
grpc_call_error grpc_server_request_registered_call( |
|
|
|
|
grpc_server *server, void *registered_method, grpc_call **call, |
|
|
|
|
gpr_timespec *deadline, grpc_metadata_array *request_metadata, |
|
|
|
|
@ -493,28 +503,28 @@ grpc_call_error grpc_server_request_registered_call( |
|
|
|
|
grpc_completion_queue *cq_bound_to_call, |
|
|
|
|
grpc_completion_queue *cq_for_notification, void *tag_new); |
|
|
|
|
|
|
|
|
|
/* Create a server. Additional configuration for each incoming channel can
|
|
|
|
|
/** Create a server. Additional configuration for each incoming channel can
|
|
|
|
|
be specified with args. If no additional configuration is needed, args can |
|
|
|
|
be NULL. See grpc_channel_args for more. The data in 'args' need only live |
|
|
|
|
through the invocation of this function. */ |
|
|
|
|
grpc_server *grpc_server_create(const grpc_channel_args *args); |
|
|
|
|
|
|
|
|
|
/* Register a completion queue with the server. Must be done for any
|
|
|
|
|
/** Register a completion queue with the server. Must be done for any
|
|
|
|
|
notification completion queue that is passed to grpc_server_request_*_call |
|
|
|
|
and to grpc_server_shutdown_and_notify. Must be performed prior to |
|
|
|
|
grpc_server_start. */ |
|
|
|
|
void grpc_server_register_completion_queue(grpc_server *server, |
|
|
|
|
grpc_completion_queue *cq); |
|
|
|
|
|
|
|
|
|
/* Add a HTTP2 over plaintext over tcp listener.
|
|
|
|
|
/** Add a HTTP2 over plaintext over tcp listener.
|
|
|
|
|
Returns bound port number on success, 0 on failure. |
|
|
|
|
REQUIRES: server not started */ |
|
|
|
|
int grpc_server_add_http2_port(grpc_server *server, const char *addr); |
|
|
|
|
|
|
|
|
|
/* Start a server - tells all listeners to start listening */ |
|
|
|
|
/** Start a server - tells all listeners to start listening */ |
|
|
|
|
void grpc_server_start(grpc_server *server); |
|
|
|
|
|
|
|
|
|
/* Begin shutting down a server.
|
|
|
|
|
/** Begin shutting down a server.
|
|
|
|
|
After completion, no new calls or connections will be admitted. |
|
|
|
|
Existing calls will be allowed to complete. |
|
|
|
|
Send a GRPC_OP_COMPLETE event when there are no more calls being serviced. |
|
|
|
|
@ -524,11 +534,11 @@ void grpc_server_start(grpc_server *server); |
|
|
|
|
void grpc_server_shutdown_and_notify(grpc_server *server, |
|
|
|
|
grpc_completion_queue *cq, void *tag); |
|
|
|
|
|
|
|
|
|
/* Cancel all in-progress calls.
|
|
|
|
|
/** Cancel all in-progress calls.
|
|
|
|
|
Only usable after shutdown. */ |
|
|
|
|
void grpc_server_cancel_all_calls(grpc_server *server); |
|
|
|
|
|
|
|
|
|
/* Destroy a server.
|
|
|
|
|
/** Destroy a server.
|
|
|
|
|
Shutdown must have completed beforehand (i.e. all tags generated by |
|
|
|
|
grpc_server_shutdown_and_notify must have been received, and at least |
|
|
|
|
one call to grpc_server_shutdown_and_notify must have been made). */ |
|
|
|
|
|
David Garcia Quintas
9 years ago