1 /*
2 *
3 * Copyright 2015 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19 #include <grpc/byte_buffer_reader.h>
20 #include <grpc/grpc.h>
21 #include <grpc/grpc_security.h>
22 #include <grpc/slice.h>
23 #include <grpc/support/alloc.h>
24 #include <grpc/support/log.h>
25 #include <grpc/support/port_platform.h>
26 #include <grpc/support/string_util.h>
27 #include <grpc/support/thd_id.h>
28
29 #include <string.h>
30
31 #ifdef GPR_WINDOWS
32 #define GPR_EXPORT __declspec(dllexport)
33 #define GPR_CALLTYPE __stdcall
34 #endif
35
36 #ifndef GPR_EXPORT
37 #define GPR_EXPORT
38 #endif
39
40 #ifndef GPR_CALLTYPE
41 #define GPR_CALLTYPE
42 #endif
43
string_to_byte_buffer(const char * buffer,size_t len)44 grpc_byte_buffer* string_to_byte_buffer(const char* buffer, size_t len) {
45 grpc_slice slice = grpc_slice_from_copied_buffer(buffer, len);
46 grpc_byte_buffer* bb = grpc_raw_byte_buffer_create(&slice, 1);
47 grpc_slice_unref(slice);
48 return bb;
49 }
50
51 /*
52 * Helper to maintain lifetime of batch op inputs and store batch op outputs.
53 */
54 typedef struct grpcsharp_batch_context {
55 grpc_metadata_array send_initial_metadata;
56 grpc_byte_buffer* send_message;
57 struct {
58 grpc_metadata_array trailing_metadata;
59 } send_status_from_server;
60 grpc_metadata_array recv_initial_metadata;
61 grpc_byte_buffer* recv_message;
62 struct {
63 grpc_metadata_array trailing_metadata;
64 grpc_status_code status;
65 grpc_slice status_details;
66 } recv_status_on_client;
67 int recv_close_on_server_cancelled;
68 } grpcsharp_batch_context;
69
70 GPR_EXPORT grpcsharp_batch_context* GPR_CALLTYPE
grpcsharp_batch_context_create()71 grpcsharp_batch_context_create() {
72 grpcsharp_batch_context* ctx = gpr_malloc(sizeof(grpcsharp_batch_context));
73 memset(ctx, 0, sizeof(grpcsharp_batch_context));
74 return ctx;
75 }
76
77 typedef struct {
78 grpc_call* call;
79 grpc_call_details call_details;
80 grpc_metadata_array request_metadata;
81 } grpcsharp_request_call_context;
82
83 GPR_EXPORT grpcsharp_request_call_context* GPR_CALLTYPE
grpcsharp_request_call_context_create()84 grpcsharp_request_call_context_create() {
85 grpcsharp_request_call_context* ctx =
86 gpr_malloc(sizeof(grpcsharp_request_call_context));
87 memset(ctx, 0, sizeof(grpcsharp_request_call_context));
88 return ctx;
89 }
90
91 /*
92 * Destroys array->metadata.
93 * The array pointer itself is not freed.
94 */
grpcsharp_metadata_array_destroy_metadata_only(grpc_metadata_array * array)95 void grpcsharp_metadata_array_destroy_metadata_only(
96 grpc_metadata_array* array) {
97 gpr_free(array->metadata);
98 }
99
100 /*
101 * Destroys keys, values and array->metadata.
102 * The array pointer itself is not freed.
103 */
grpcsharp_metadata_array_destroy_metadata_including_entries(grpc_metadata_array * array)104 void grpcsharp_metadata_array_destroy_metadata_including_entries(
105 grpc_metadata_array* array) {
106 size_t i;
107 if (array->metadata) {
108 for (i = 0; i < array->count; i++) {
109 grpc_slice_unref(array->metadata[i].key);
110 grpc_slice_unref(array->metadata[i].value);
111 }
112 }
113 gpr_free(array->metadata);
114 }
115
116 /*
117 * Fully destroys the metadata array.
118 */
119 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_metadata_array_destroy_full(grpc_metadata_array * array)120 grpcsharp_metadata_array_destroy_full(grpc_metadata_array* array) {
121 if (!array) {
122 return;
123 }
124 grpcsharp_metadata_array_destroy_metadata_including_entries(array);
125 gpr_free(array);
126 }
127
128 /*
129 * Creates an empty metadata array with given capacity.
130 * Array can later be destroyed by grpc_metadata_array_destroy_full.
131 */
132 GPR_EXPORT grpc_metadata_array* GPR_CALLTYPE
grpcsharp_metadata_array_create(size_t capacity)133 grpcsharp_metadata_array_create(size_t capacity) {
134 grpc_metadata_array* array =
135 (grpc_metadata_array*)gpr_malloc(sizeof(grpc_metadata_array));
136 grpc_metadata_array_init(array);
137 array->capacity = capacity;
138 array->count = 0;
139 if (capacity > 0) {
140 array->metadata =
141 (grpc_metadata*)gpr_malloc(sizeof(grpc_metadata) * capacity);
142 memset(array->metadata, 0, sizeof(grpc_metadata) * capacity);
143 } else {
144 array->metadata = NULL;
145 }
146 return array;
147 }
148
149 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_metadata_array_add(grpc_metadata_array * array,const char * key,const char * value,size_t value_length)150 grpcsharp_metadata_array_add(grpc_metadata_array* array, const char* key,
151 const char* value, size_t value_length) {
152 size_t i = array->count;
153 GPR_ASSERT(array->count < array->capacity);
154 array->metadata[i].key = grpc_slice_from_copied_string(key);
155 array->metadata[i].value = grpc_slice_from_copied_buffer(value, value_length);
156 array->count++;
157 }
158
159 GPR_EXPORT intptr_t GPR_CALLTYPE
grpcsharp_metadata_array_count(grpc_metadata_array * array)160 grpcsharp_metadata_array_count(grpc_metadata_array* array) {
161 return (intptr_t)array->count;
162 }
163
grpcsharp_metadata_array_get_key(grpc_metadata_array * array,size_t index,size_t * key_length)164 GPR_EXPORT const char* GPR_CALLTYPE grpcsharp_metadata_array_get_key(
165 grpc_metadata_array* array, size_t index, size_t* key_length) {
166 GPR_ASSERT(index < array->count);
167 *key_length = GRPC_SLICE_LENGTH(array->metadata[index].key);
168 return (char*)GRPC_SLICE_START_PTR(array->metadata[index].key);
169 }
170
grpcsharp_metadata_array_get_value(grpc_metadata_array * array,size_t index,size_t * value_length)171 GPR_EXPORT const char* GPR_CALLTYPE grpcsharp_metadata_array_get_value(
172 grpc_metadata_array* array, size_t index, size_t* value_length) {
173 GPR_ASSERT(index < array->count);
174 *value_length = GRPC_SLICE_LENGTH(array->metadata[index].value);
175 return (char*)GRPC_SLICE_START_PTR(array->metadata[index].value);
176 }
177
178 /* Move contents of metadata array */
grpcsharp_metadata_array_move(grpc_metadata_array * dest,grpc_metadata_array * src)179 void grpcsharp_metadata_array_move(grpc_metadata_array* dest,
180 grpc_metadata_array* src) {
181 if (!src) {
182 dest->capacity = 0;
183 dest->count = 0;
184 dest->metadata = NULL;
185 return;
186 }
187
188 dest->capacity = src->capacity;
189 dest->count = src->count;
190 dest->metadata = src->metadata;
191
192 src->capacity = 0;
193 src->count = 0;
194 src->metadata = NULL;
195 }
196
197 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_batch_context_reset(grpcsharp_batch_context * ctx)198 grpcsharp_batch_context_reset(grpcsharp_batch_context* ctx) {
199 grpcsharp_metadata_array_destroy_metadata_including_entries(
200 &(ctx->send_initial_metadata));
201
202 grpc_byte_buffer_destroy(ctx->send_message);
203
204 grpcsharp_metadata_array_destroy_metadata_including_entries(
205 &(ctx->send_status_from_server.trailing_metadata));
206
207 grpcsharp_metadata_array_destroy_metadata_only(&(ctx->recv_initial_metadata));
208
209 grpc_byte_buffer_destroy(ctx->recv_message);
210
211 grpcsharp_metadata_array_destroy_metadata_only(
212 &(ctx->recv_status_on_client.trailing_metadata));
213 grpc_slice_unref(ctx->recv_status_on_client.status_details);
214 memset(ctx, 0, sizeof(grpcsharp_batch_context));
215 }
216
217 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_batch_context_destroy(grpcsharp_batch_context * ctx)218 grpcsharp_batch_context_destroy(grpcsharp_batch_context* ctx) {
219 if (!ctx) {
220 return;
221 }
222 grpcsharp_batch_context_reset(ctx);
223 gpr_free(ctx);
224 }
225
226 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_request_call_context_reset(grpcsharp_request_call_context * ctx)227 grpcsharp_request_call_context_reset(grpcsharp_request_call_context* ctx) {
228 /* NOTE: ctx->server_rpc_new.call is not destroyed because callback handler is
229 supposed
230 to take its ownership. */
231
232 grpc_call_details_destroy(&(ctx->call_details));
233 grpcsharp_metadata_array_destroy_metadata_only(&(ctx->request_metadata));
234 memset(ctx, 0, sizeof(grpcsharp_request_call_context));
235 }
236
237 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_request_call_context_destroy(grpcsharp_request_call_context * ctx)238 grpcsharp_request_call_context_destroy(grpcsharp_request_call_context* ctx) {
239 if (!ctx) {
240 return;
241 }
242 grpcsharp_request_call_context_reset(ctx);
243 gpr_free(ctx);
244 }
245
246 GPR_EXPORT const grpc_metadata_array* GPR_CALLTYPE
grpcsharp_batch_context_recv_initial_metadata(const grpcsharp_batch_context * ctx)247 grpcsharp_batch_context_recv_initial_metadata(
248 const grpcsharp_batch_context* ctx) {
249 return &(ctx->recv_initial_metadata);
250 }
251
grpcsharp_batch_context_recv_message_length(const grpcsharp_batch_context * ctx)252 GPR_EXPORT intptr_t GPR_CALLTYPE grpcsharp_batch_context_recv_message_length(
253 const grpcsharp_batch_context* ctx) {
254 grpc_byte_buffer_reader reader;
255 if (!ctx->recv_message) {
256 return -1;
257 }
258
259 GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, ctx->recv_message));
260 intptr_t result = (intptr_t)grpc_byte_buffer_length(reader.buffer_out);
261 grpc_byte_buffer_reader_destroy(&reader);
262
263 return result;
264 }
265
266 /*
267 * Copies data from recv_message to a buffer. Fatal error occurs if
268 * buffer is too small.
269 */
grpcsharp_batch_context_recv_message_to_buffer(const grpcsharp_batch_context * ctx,char * buffer,size_t buffer_len)270 GPR_EXPORT void GPR_CALLTYPE grpcsharp_batch_context_recv_message_to_buffer(
271 const grpcsharp_batch_context* ctx, char* buffer, size_t buffer_len) {
272 grpc_byte_buffer_reader reader;
273 grpc_slice slice;
274 size_t offset = 0;
275
276 GPR_ASSERT(grpc_byte_buffer_reader_init(&reader, ctx->recv_message));
277
278 while (grpc_byte_buffer_reader_next(&reader, &slice)) {
279 size_t len = GRPC_SLICE_LENGTH(slice);
280 GPR_ASSERT(offset + len <= buffer_len);
281 memcpy(buffer + offset, GRPC_SLICE_START_PTR(slice),
282 GRPC_SLICE_LENGTH(slice));
283 offset += len;
284 grpc_slice_unref(slice);
285 }
286
287 grpc_byte_buffer_reader_destroy(&reader);
288 }
289
290 GPR_EXPORT grpc_status_code GPR_CALLTYPE
grpcsharp_batch_context_recv_status_on_client_status(const grpcsharp_batch_context * ctx)291 grpcsharp_batch_context_recv_status_on_client_status(
292 const grpcsharp_batch_context* ctx) {
293 return ctx->recv_status_on_client.status;
294 }
295
296 GPR_EXPORT const char* GPR_CALLTYPE
grpcsharp_batch_context_recv_status_on_client_details(const grpcsharp_batch_context * ctx,size_t * details_length)297 grpcsharp_batch_context_recv_status_on_client_details(
298 const grpcsharp_batch_context* ctx, size_t* details_length) {
299 *details_length =
300 GRPC_SLICE_LENGTH(ctx->recv_status_on_client.status_details);
301 return (char*)GRPC_SLICE_START_PTR(ctx->recv_status_on_client.status_details);
302 }
303
304 GPR_EXPORT const grpc_metadata_array* GPR_CALLTYPE
grpcsharp_batch_context_recv_status_on_client_trailing_metadata(const grpcsharp_batch_context * ctx)305 grpcsharp_batch_context_recv_status_on_client_trailing_metadata(
306 const grpcsharp_batch_context* ctx) {
307 return &(ctx->recv_status_on_client.trailing_metadata);
308 }
309
310 GPR_EXPORT grpc_call* GPR_CALLTYPE
grpcsharp_request_call_context_call(const grpcsharp_request_call_context * ctx)311 grpcsharp_request_call_context_call(const grpcsharp_request_call_context* ctx) {
312 return ctx->call;
313 }
314
grpcsharp_request_call_context_method(const grpcsharp_request_call_context * ctx,size_t * method_length)315 GPR_EXPORT const char* GPR_CALLTYPE grpcsharp_request_call_context_method(
316 const grpcsharp_request_call_context* ctx, size_t* method_length) {
317 *method_length = GRPC_SLICE_LENGTH(ctx->call_details.method);
318 return (char*)GRPC_SLICE_START_PTR(ctx->call_details.method);
319 }
320
grpcsharp_request_call_context_host(const grpcsharp_request_call_context * ctx,size_t * host_length)321 GPR_EXPORT const char* GPR_CALLTYPE grpcsharp_request_call_context_host(
322 const grpcsharp_request_call_context* ctx, size_t* host_length) {
323 *host_length = GRPC_SLICE_LENGTH(ctx->call_details.host);
324 return (char*)GRPC_SLICE_START_PTR(ctx->call_details.host);
325 }
326
grpcsharp_request_call_context_deadline(const grpcsharp_request_call_context * ctx)327 GPR_EXPORT gpr_timespec GPR_CALLTYPE grpcsharp_request_call_context_deadline(
328 const grpcsharp_request_call_context* ctx) {
329 return ctx->call_details.deadline;
330 }
331
332 GPR_EXPORT const grpc_metadata_array* GPR_CALLTYPE
grpcsharp_request_call_context_request_metadata(const grpcsharp_request_call_context * ctx)333 grpcsharp_request_call_context_request_metadata(
334 const grpcsharp_request_call_context* ctx) {
335 return &(ctx->request_metadata);
336 }
337
338 GPR_EXPORT int32_t GPR_CALLTYPE
grpcsharp_batch_context_recv_close_on_server_cancelled(const grpcsharp_batch_context * ctx)339 grpcsharp_batch_context_recv_close_on_server_cancelled(
340 const grpcsharp_batch_context* ctx) {
341 return (int32_t)ctx->recv_close_on_server_cancelled;
342 }
343
344 /* Init & shutdown */
345
grpcsharp_init(void)346 GPR_EXPORT void GPR_CALLTYPE grpcsharp_init(void) { grpc_init(); }
347
grpcsharp_shutdown(void)348 GPR_EXPORT void GPR_CALLTYPE grpcsharp_shutdown(void) { grpc_shutdown(); }
349
350 /* Completion queue */
351
352 GPR_EXPORT grpc_completion_queue* GPR_CALLTYPE
grpcsharp_completion_queue_create_async(void)353 grpcsharp_completion_queue_create_async(void) {
354 return grpc_completion_queue_create_for_next(NULL);
355 }
356
357 GPR_EXPORT grpc_completion_queue* GPR_CALLTYPE
grpcsharp_completion_queue_create_sync(void)358 grpcsharp_completion_queue_create_sync(void) {
359 return grpc_completion_queue_create_for_pluck(NULL);
360 }
361
362 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_completion_queue_shutdown(grpc_completion_queue * cq)363 grpcsharp_completion_queue_shutdown(grpc_completion_queue* cq) {
364 grpc_completion_queue_shutdown(cq);
365 }
366
367 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_completion_queue_destroy(grpc_completion_queue * cq)368 grpcsharp_completion_queue_destroy(grpc_completion_queue* cq) {
369 grpc_completion_queue_destroy(cq);
370 }
371
372 GPR_EXPORT grpc_event GPR_CALLTYPE
grpcsharp_completion_queue_next(grpc_completion_queue * cq)373 grpcsharp_completion_queue_next(grpc_completion_queue* cq) {
374 return grpc_completion_queue_next(cq, gpr_inf_future(GPR_CLOCK_REALTIME),
375 NULL);
376 }
377
378 GPR_EXPORT grpc_event GPR_CALLTYPE
grpcsharp_completion_queue_pluck(grpc_completion_queue * cq,void * tag)379 grpcsharp_completion_queue_pluck(grpc_completion_queue* cq, void* tag) {
380 return grpc_completion_queue_pluck(cq, tag,
381 gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
382 }
383
384 /* Channel */
385
386 GPR_EXPORT grpc_channel* GPR_CALLTYPE
387
grpcsharp_insecure_channel_create(const char * target,const grpc_channel_args * args)388 grpcsharp_insecure_channel_create(const char* target,
389 const grpc_channel_args* args) {
390 return grpc_insecure_channel_create(target, args, NULL);
391 }
392
grpcsharp_channel_destroy(grpc_channel * channel)393 GPR_EXPORT void GPR_CALLTYPE grpcsharp_channel_destroy(grpc_channel* channel) {
394 grpc_channel_destroy(channel);
395 }
396
grpcsharp_channel_create_call(grpc_channel * channel,grpc_call * parent_call,uint32_t propagation_mask,grpc_completion_queue * cq,const char * method,const char * host,gpr_timespec deadline)397 GPR_EXPORT grpc_call* GPR_CALLTYPE grpcsharp_channel_create_call(
398 grpc_channel* channel, grpc_call* parent_call, uint32_t propagation_mask,
399 grpc_completion_queue* cq, const char* method, const char* host,
400 gpr_timespec deadline) {
401 grpc_slice method_slice = grpc_slice_from_copied_string(method);
402 grpc_slice* host_slice_ptr = NULL;
403 grpc_slice host_slice;
404 if (host != NULL) {
405 host_slice = grpc_slice_from_copied_string(host);
406 host_slice_ptr = &host_slice;
407 }
408 grpc_call* ret =
409 grpc_channel_create_call(channel, parent_call, propagation_mask, cq,
410 method_slice, host_slice_ptr, deadline, NULL);
411 grpc_slice_unref(method_slice);
412 if (host != NULL) {
413 grpc_slice_unref(host_slice);
414 }
415 return ret;
416 }
417
418 GPR_EXPORT grpc_connectivity_state GPR_CALLTYPE
grpcsharp_channel_check_connectivity_state(grpc_channel * channel,int32_t try_to_connect)419 grpcsharp_channel_check_connectivity_state(grpc_channel* channel,
420 int32_t try_to_connect) {
421 return grpc_channel_check_connectivity_state(channel, try_to_connect);
422 }
423
grpcsharp_channel_watch_connectivity_state(grpc_channel * channel,grpc_connectivity_state last_observed_state,gpr_timespec deadline,grpc_completion_queue * cq,grpcsharp_batch_context * ctx)424 GPR_EXPORT void GPR_CALLTYPE grpcsharp_channel_watch_connectivity_state(
425 grpc_channel* channel, grpc_connectivity_state last_observed_state,
426 gpr_timespec deadline, grpc_completion_queue* cq,
427 grpcsharp_batch_context* ctx) {
428 grpc_channel_watch_connectivity_state(channel, last_observed_state, deadline,
429 cq, ctx);
430 }
431
432 GPR_EXPORT char* GPR_CALLTYPE
grpcsharp_channel_get_target(grpc_channel * channel)433 grpcsharp_channel_get_target(grpc_channel* channel) {
434 return grpc_channel_get_target(channel);
435 }
436
437 /* Channel args */
438
439 GPR_EXPORT grpc_channel_args* GPR_CALLTYPE
grpcsharp_channel_args_create(size_t num_args)440 grpcsharp_channel_args_create(size_t num_args) {
441 grpc_channel_args* args =
442 (grpc_channel_args*)gpr_malloc(sizeof(grpc_channel_args));
443 memset(args, 0, sizeof(grpc_channel_args));
444
445 args->num_args = num_args;
446 args->args = (grpc_arg*)gpr_malloc(sizeof(grpc_arg) * num_args);
447 memset(args->args, 0, sizeof(grpc_arg) * num_args);
448 return args;
449 }
450
grpcsharp_channel_args_set_string(grpc_channel_args * args,size_t index,const char * key,const char * value)451 GPR_EXPORT void GPR_CALLTYPE grpcsharp_channel_args_set_string(
452 grpc_channel_args* args, size_t index, const char* key, const char* value) {
453 GPR_ASSERT(args);
454 GPR_ASSERT(index < args->num_args);
455 args->args[index].type = GRPC_ARG_STRING;
456 args->args[index].key = gpr_strdup(key);
457 args->args[index].value.string = gpr_strdup(value);
458 }
459
grpcsharp_channel_args_set_integer(grpc_channel_args * args,size_t index,const char * key,int value)460 GPR_EXPORT void GPR_CALLTYPE grpcsharp_channel_args_set_integer(
461 grpc_channel_args* args, size_t index, const char* key, int value) {
462 GPR_ASSERT(args);
463 GPR_ASSERT(index < args->num_args);
464 args->args[index].type = GRPC_ARG_INTEGER;
465 args->args[index].key = gpr_strdup(key);
466 args->args[index].value.integer = value;
467 }
468
469 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_channel_args_destroy(grpc_channel_args * args)470 grpcsharp_channel_args_destroy(grpc_channel_args* args) {
471 size_t i;
472 if (args) {
473 for (i = 0; i < args->num_args; i++) {
474 gpr_free(args->args[i].key);
475 if (args->args[i].type == GRPC_ARG_STRING) {
476 gpr_free(args->args[i].value.string);
477 }
478 }
479 gpr_free(args->args);
480 gpr_free(args);
481 }
482 }
483
484 /* Timespec */
485
gprsharp_now(gpr_clock_type clock_type)486 GPR_EXPORT gpr_timespec GPR_CALLTYPE gprsharp_now(gpr_clock_type clock_type) {
487 return gpr_now(clock_type);
488 }
489
490 GPR_EXPORT gpr_timespec GPR_CALLTYPE
gprsharp_inf_future(gpr_clock_type clock_type)491 gprsharp_inf_future(gpr_clock_type clock_type) {
492 return gpr_inf_future(clock_type);
493 }
494
495 GPR_EXPORT gpr_timespec GPR_CALLTYPE
gprsharp_inf_past(gpr_clock_type clock_type)496 gprsharp_inf_past(gpr_clock_type clock_type) {
497 return gpr_inf_past(clock_type);
498 }
499
500 GPR_EXPORT gpr_timespec GPR_CALLTYPE
gprsharp_convert_clock_type(gpr_timespec t,gpr_clock_type target_clock)501 gprsharp_convert_clock_type(gpr_timespec t, gpr_clock_type target_clock) {
502 return gpr_convert_clock_type(t, target_clock);
503 }
504
gprsharp_sizeof_timespec(void)505 GPR_EXPORT int32_t GPR_CALLTYPE gprsharp_sizeof_timespec(void) {
506 return sizeof(gpr_timespec);
507 }
508
509 /* Call */
510
grpcsharp_call_cancel(grpc_call * call)511 GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_cancel(grpc_call* call) {
512 return grpc_call_cancel(call, NULL);
513 }
514
grpcsharp_call_cancel_with_status(grpc_call * call,grpc_status_code status,const char * description)515 GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_cancel_with_status(
516 grpc_call* call, grpc_status_code status, const char* description) {
517 return grpc_call_cancel_with_status(call, status, description, NULL);
518 }
519
grpcsharp_call_get_peer(grpc_call * call)520 GPR_EXPORT char* GPR_CALLTYPE grpcsharp_call_get_peer(grpc_call* call) {
521 return grpc_call_get_peer(call);
522 }
523
gprsharp_free(void * p)524 GPR_EXPORT void GPR_CALLTYPE gprsharp_free(void* p) { gpr_free(p); }
525
grpcsharp_call_destroy(grpc_call * call)526 GPR_EXPORT void GPR_CALLTYPE grpcsharp_call_destroy(grpc_call* call) {
527 grpc_call_unref(call);
528 }
529
530 typedef grpc_call_error (*grpcsharp_call_start_batch_func)(grpc_call* call,
531 const grpc_op* ops,
532 size_t nops,
533 void* tag,
534 void* reserved);
535
536 /* Only for testing */
grpcsharp_call_start_batch_nop(grpc_call * call,const grpc_op * ops,size_t nops,void * tag,void * reserved)537 static grpc_call_error grpcsharp_call_start_batch_nop(grpc_call* call,
538 const grpc_op* ops,
539 size_t nops, void* tag,
540 void* reserved) {
541 return GRPC_CALL_OK;
542 }
543
grpcsharp_call_start_batch_default(grpc_call * call,const grpc_op * ops,size_t nops,void * tag,void * reserved)544 static grpc_call_error grpcsharp_call_start_batch_default(grpc_call* call,
545 const grpc_op* ops,
546 size_t nops,
547 void* tag,
548 void* reserved) {
549 return grpc_call_start_batch(call, ops, nops, tag, reserved);
550 }
551
552 static grpcsharp_call_start_batch_func g_call_start_batch_func =
553 grpcsharp_call_start_batch_default;
554
grpcsharp_call_start_batch(grpc_call * call,const grpc_op * ops,size_t nops,void * tag,void * reserved)555 static grpc_call_error grpcsharp_call_start_batch(grpc_call* call,
556 const grpc_op* ops,
557 size_t nops, void* tag,
558 void* reserved) {
559 return g_call_start_batch_func(call, ops, nops, tag, reserved);
560 }
561
grpcsharp_call_start_unary(grpc_call * call,grpcsharp_batch_context * ctx,const char * send_buffer,size_t send_buffer_len,uint32_t write_flags,grpc_metadata_array * initial_metadata,uint32_t initial_metadata_flags)562 GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_start_unary(
563 grpc_call* call, grpcsharp_batch_context* ctx, const char* send_buffer,
564 size_t send_buffer_len, uint32_t write_flags,
565 grpc_metadata_array* initial_metadata, uint32_t initial_metadata_flags) {
566 /* TODO: don't use magic number */
567 grpc_op ops[6];
568 memset(ops, 0, sizeof(ops));
569 ops[0].op = GRPC_OP_SEND_INITIAL_METADATA;
570 grpcsharp_metadata_array_move(&(ctx->send_initial_metadata),
571 initial_metadata);
572 ops[0].data.send_initial_metadata.count = ctx->send_initial_metadata.count;
573 ops[0].data.send_initial_metadata.metadata =
574 ctx->send_initial_metadata.metadata;
575 ops[0].flags = initial_metadata_flags;
576 ops[0].reserved = NULL;
577
578 ops[1].op = GRPC_OP_SEND_MESSAGE;
579 ctx->send_message = string_to_byte_buffer(send_buffer, send_buffer_len);
580 ops[1].data.send_message.send_message = ctx->send_message;
581 ops[1].flags = write_flags;
582 ops[1].reserved = NULL;
583
584 ops[2].op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
585 ops[2].flags = 0;
586 ops[2].reserved = NULL;
587
588 ops[3].op = GRPC_OP_RECV_INITIAL_METADATA;
589 ops[3].data.recv_initial_metadata.recv_initial_metadata =
590 &(ctx->recv_initial_metadata);
591 ops[3].flags = 0;
592 ops[3].reserved = NULL;
593
594 ops[4].op = GRPC_OP_RECV_MESSAGE;
595 ops[4].data.recv_message.recv_message = &(ctx->recv_message);
596 ops[4].flags = 0;
597 ops[4].reserved = NULL;
598
599 ops[5].op = GRPC_OP_RECV_STATUS_ON_CLIENT;
600 ops[5].data.recv_status_on_client.trailing_metadata =
601 &(ctx->recv_status_on_client.trailing_metadata);
602 ops[5].data.recv_status_on_client.status =
603 &(ctx->recv_status_on_client.status);
604 ops[5].data.recv_status_on_client.status_details =
605 &(ctx->recv_status_on_client.status_details);
606 ops[5].flags = 0;
607 ops[5].reserved = NULL;
608
609 return grpcsharp_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]),
610 ctx, NULL);
611 }
612
grpcsharp_call_start_client_streaming(grpc_call * call,grpcsharp_batch_context * ctx,grpc_metadata_array * initial_metadata,uint32_t initial_metadata_flags)613 GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_start_client_streaming(
614 grpc_call* call, grpcsharp_batch_context* ctx,
615 grpc_metadata_array* initial_metadata, uint32_t initial_metadata_flags) {
616 /* TODO: don't use magic number */
617 grpc_op ops[4];
618 memset(ops, 0, sizeof(ops));
619 ops[0].op = GRPC_OP_SEND_INITIAL_METADATA;
620 grpcsharp_metadata_array_move(&(ctx->send_initial_metadata),
621 initial_metadata);
622 ops[0].data.send_initial_metadata.count = ctx->send_initial_metadata.count;
623 ops[0].data.send_initial_metadata.metadata =
624 ctx->send_initial_metadata.metadata;
625 ops[0].flags = initial_metadata_flags;
626 ops[0].reserved = NULL;
627
628 ops[1].op = GRPC_OP_RECV_INITIAL_METADATA;
629 ops[1].data.recv_initial_metadata.recv_initial_metadata =
630 &(ctx->recv_initial_metadata);
631 ops[1].flags = 0;
632 ops[1].reserved = NULL;
633
634 ops[2].op = GRPC_OP_RECV_MESSAGE;
635 ops[2].data.recv_message.recv_message = &(ctx->recv_message);
636 ops[2].flags = 0;
637 ops[2].reserved = NULL;
638
639 ops[3].op = GRPC_OP_RECV_STATUS_ON_CLIENT;
640 ops[3].data.recv_status_on_client.trailing_metadata =
641 &(ctx->recv_status_on_client.trailing_metadata);
642 ops[3].data.recv_status_on_client.status =
643 &(ctx->recv_status_on_client.status);
644 ops[3].data.recv_status_on_client.status_details =
645 &(ctx->recv_status_on_client.status_details);
646 ops[3].flags = 0;
647 ops[3].reserved = NULL;
648
649 return grpcsharp_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]),
650 ctx, NULL);
651 }
652
grpcsharp_call_start_server_streaming(grpc_call * call,grpcsharp_batch_context * ctx,const char * send_buffer,size_t send_buffer_len,uint32_t write_flags,grpc_metadata_array * initial_metadata,uint32_t initial_metadata_flags)653 GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_start_server_streaming(
654 grpc_call* call, grpcsharp_batch_context* ctx, const char* send_buffer,
655 size_t send_buffer_len, uint32_t write_flags,
656 grpc_metadata_array* initial_metadata, uint32_t initial_metadata_flags) {
657 /* TODO: don't use magic number */
658 grpc_op ops[4];
659 memset(ops, 0, sizeof(ops));
660 ops[0].op = GRPC_OP_SEND_INITIAL_METADATA;
661 grpcsharp_metadata_array_move(&(ctx->send_initial_metadata),
662 initial_metadata);
663 ops[0].data.send_initial_metadata.count = ctx->send_initial_metadata.count;
664 ops[0].data.send_initial_metadata.metadata =
665 ctx->send_initial_metadata.metadata;
666 ops[0].flags = initial_metadata_flags;
667 ops[0].reserved = NULL;
668
669 ops[1].op = GRPC_OP_SEND_MESSAGE;
670 ctx->send_message = string_to_byte_buffer(send_buffer, send_buffer_len);
671 ops[1].data.send_message.send_message = ctx->send_message;
672 ops[1].flags = write_flags;
673 ops[1].reserved = NULL;
674
675 ops[2].op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
676 ops[2].flags = 0;
677 ops[2].reserved = NULL;
678
679 ops[3].op = GRPC_OP_RECV_STATUS_ON_CLIENT;
680 ops[3].data.recv_status_on_client.trailing_metadata =
681 &(ctx->recv_status_on_client.trailing_metadata);
682 ops[3].data.recv_status_on_client.status =
683 &(ctx->recv_status_on_client.status);
684 ops[3].data.recv_status_on_client.status_details =
685 &(ctx->recv_status_on_client.status_details);
686 ops[3].flags = 0;
687 ops[3].reserved = NULL;
688
689 return grpcsharp_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]),
690 ctx, NULL);
691 }
692
grpcsharp_call_start_duplex_streaming(grpc_call * call,grpcsharp_batch_context * ctx,grpc_metadata_array * initial_metadata,uint32_t initial_metadata_flags)693 GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_start_duplex_streaming(
694 grpc_call* call, grpcsharp_batch_context* ctx,
695 grpc_metadata_array* initial_metadata, uint32_t initial_metadata_flags) {
696 /* TODO: don't use magic number */
697 grpc_op ops[2];
698 memset(ops, 0, sizeof(ops));
699 ops[0].op = GRPC_OP_SEND_INITIAL_METADATA;
700 grpcsharp_metadata_array_move(&(ctx->send_initial_metadata),
701 initial_metadata);
702 ops[0].data.send_initial_metadata.count = ctx->send_initial_metadata.count;
703 ops[0].data.send_initial_metadata.metadata =
704 ctx->send_initial_metadata.metadata;
705 ops[0].flags = initial_metadata_flags;
706 ops[0].reserved = NULL;
707
708 ops[1].op = GRPC_OP_RECV_STATUS_ON_CLIENT;
709 ops[1].data.recv_status_on_client.trailing_metadata =
710 &(ctx->recv_status_on_client.trailing_metadata);
711 ops[1].data.recv_status_on_client.status =
712 &(ctx->recv_status_on_client.status);
713 ops[1].data.recv_status_on_client.status_details =
714 &(ctx->recv_status_on_client.status_details);
715 ops[1].flags = 0;
716 ops[1].reserved = NULL;
717
718 return grpcsharp_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]),
719 ctx, NULL);
720 }
721
grpcsharp_call_recv_initial_metadata(grpc_call * call,grpcsharp_batch_context * ctx)722 GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_recv_initial_metadata(
723 grpc_call* call, grpcsharp_batch_context* ctx) {
724 /* TODO: don't use magic number */
725 grpc_op ops[1];
726 ops[0].op = GRPC_OP_RECV_INITIAL_METADATA;
727 ops[0].data.recv_initial_metadata.recv_initial_metadata =
728 &(ctx->recv_initial_metadata);
729 ops[0].flags = 0;
730 ops[0].reserved = NULL;
731
732 return grpcsharp_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]),
733 ctx, NULL);
734 }
735
grpcsharp_call_send_message(grpc_call * call,grpcsharp_batch_context * ctx,const char * send_buffer,size_t send_buffer_len,uint32_t write_flags,int32_t send_empty_initial_metadata)736 GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_send_message(
737 grpc_call* call, grpcsharp_batch_context* ctx, const char* send_buffer,
738 size_t send_buffer_len, uint32_t write_flags,
739 int32_t send_empty_initial_metadata) {
740 /* TODO: don't use magic number */
741 grpc_op ops[2];
742 memset(ops, 0, sizeof(ops));
743 size_t nops = send_empty_initial_metadata ? 2 : 1;
744 ops[0].op = GRPC_OP_SEND_MESSAGE;
745 ctx->send_message = string_to_byte_buffer(send_buffer, send_buffer_len);
746 ops[0].data.send_message.send_message = ctx->send_message;
747 ops[0].flags = write_flags;
748 ops[0].reserved = NULL;
749 ops[1].op = GRPC_OP_SEND_INITIAL_METADATA;
750 ops[1].flags = 0;
751 ops[1].reserved = NULL;
752
753 return grpcsharp_call_start_batch(call, ops, nops, ctx, NULL);
754 }
755
grpcsharp_call_send_close_from_client(grpc_call * call,grpcsharp_batch_context * ctx)756 GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_send_close_from_client(
757 grpc_call* call, grpcsharp_batch_context* ctx) {
758 /* TODO: don't use magic number */
759 grpc_op ops[1];
760 ops[0].op = GRPC_OP_SEND_CLOSE_FROM_CLIENT;
761 ops[0].flags = 0;
762 ops[0].reserved = NULL;
763
764 return grpcsharp_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]),
765 ctx, NULL);
766 }
767
grpcsharp_call_send_status_from_server(grpc_call * call,grpcsharp_batch_context * ctx,grpc_status_code status_code,const char * status_details,size_t status_details_len,grpc_metadata_array * trailing_metadata,int32_t send_empty_initial_metadata,const char * optional_send_buffer,size_t optional_send_buffer_len,uint32_t write_flags)768 GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_send_status_from_server(
769 grpc_call* call, grpcsharp_batch_context* ctx, grpc_status_code status_code,
770 const char* status_details, size_t status_details_len,
771 grpc_metadata_array* trailing_metadata, int32_t send_empty_initial_metadata,
772 const char* optional_send_buffer, size_t optional_send_buffer_len,
773 uint32_t write_flags) {
774 /* TODO: don't use magic number */
775 grpc_op ops[3];
776 memset(ops, 0, sizeof(ops));
777 size_t nops = 1;
778 grpc_slice status_details_slice =
779 grpc_slice_from_copied_buffer(status_details, status_details_len);
780 ops[0].op = GRPC_OP_SEND_STATUS_FROM_SERVER;
781 ops[0].data.send_status_from_server.status = status_code;
782 ops[0].data.send_status_from_server.status_details = &status_details_slice;
783 grpcsharp_metadata_array_move(
784 &(ctx->send_status_from_server.trailing_metadata), trailing_metadata);
785 ops[0].data.send_status_from_server.trailing_metadata_count =
786 ctx->send_status_from_server.trailing_metadata.count;
787 ops[0].data.send_status_from_server.trailing_metadata =
788 ctx->send_status_from_server.trailing_metadata.metadata;
789 ops[0].flags = 0;
790 ops[0].reserved = NULL;
791 if (optional_send_buffer) {
792 ops[nops].op = GRPC_OP_SEND_MESSAGE;
793 ctx->send_message =
794 string_to_byte_buffer(optional_send_buffer, optional_send_buffer_len);
795 ops[nops].data.send_message.send_message = ctx->send_message;
796 ops[nops].flags = write_flags;
797 ops[nops].reserved = NULL;
798 nops++;
799 }
800 if (send_empty_initial_metadata) {
801 ops[nops].op = GRPC_OP_SEND_INITIAL_METADATA;
802 ops[nops].flags = 0;
803 ops[nops].reserved = NULL;
804 nops++;
805 }
806 grpc_call_error ret = grpcsharp_call_start_batch(call, ops, nops, ctx, NULL);
807 grpc_slice_unref(status_details_slice);
808 return ret;
809 }
810
811 GPR_EXPORT grpc_call_error GPR_CALLTYPE
grpcsharp_call_recv_message(grpc_call * call,grpcsharp_batch_context * ctx)812 grpcsharp_call_recv_message(grpc_call* call, grpcsharp_batch_context* ctx) {
813 /* TODO: don't use magic number */
814 grpc_op ops[1];
815 ops[0].op = GRPC_OP_RECV_MESSAGE;
816 ops[0].data.recv_message.recv_message = &(ctx->recv_message);
817 ops[0].flags = 0;
818 ops[0].reserved = NULL;
819 return grpcsharp_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]),
820 ctx, NULL);
821 }
822
823 GPR_EXPORT grpc_call_error GPR_CALLTYPE
grpcsharp_call_start_serverside(grpc_call * call,grpcsharp_batch_context * ctx)824 grpcsharp_call_start_serverside(grpc_call* call, grpcsharp_batch_context* ctx) {
825 /* TODO: don't use magic number */
826 grpc_op ops[1];
827 ops[0].op = GRPC_OP_RECV_CLOSE_ON_SERVER;
828 ops[0].data.recv_close_on_server.cancelled =
829 (&ctx->recv_close_on_server_cancelled);
830 ops[0].flags = 0;
831 ops[0].reserved = NULL;
832
833 return grpcsharp_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]),
834 ctx, NULL);
835 }
836
grpcsharp_call_send_initial_metadata(grpc_call * call,grpcsharp_batch_context * ctx,grpc_metadata_array * initial_metadata)837 GPR_EXPORT grpc_call_error GPR_CALLTYPE grpcsharp_call_send_initial_metadata(
838 grpc_call* call, grpcsharp_batch_context* ctx,
839 grpc_metadata_array* initial_metadata) {
840 /* TODO: don't use magic number */
841 grpc_op ops[1];
842 memset(ops, 0, sizeof(ops));
843 ops[0].op = GRPC_OP_SEND_INITIAL_METADATA;
844 grpcsharp_metadata_array_move(&(ctx->send_initial_metadata),
845 initial_metadata);
846 ops[0].data.send_initial_metadata.count = ctx->send_initial_metadata.count;
847 ops[0].data.send_initial_metadata.metadata =
848 ctx->send_initial_metadata.metadata;
849 ops[0].flags = 0;
850 ops[0].reserved = NULL;
851
852 return grpcsharp_call_start_batch(call, ops, sizeof(ops) / sizeof(ops[0]),
853 ctx, NULL);
854 }
855
856 GPR_EXPORT grpc_call_error GPR_CALLTYPE
grpcsharp_call_set_credentials(grpc_call * call,grpc_call_credentials * creds)857 grpcsharp_call_set_credentials(grpc_call* call, grpc_call_credentials* creds) {
858 return grpc_call_set_credentials(call, creds);
859 }
860
861 /* Server */
862
863 GPR_EXPORT grpc_server* GPR_CALLTYPE
grpcsharp_server_create(const grpc_channel_args * args)864 grpcsharp_server_create(const grpc_channel_args* args) {
865 return grpc_server_create(args, NULL);
866 }
867
grpcsharp_server_register_completion_queue(grpc_server * server,grpc_completion_queue * cq)868 GPR_EXPORT void GPR_CALLTYPE grpcsharp_server_register_completion_queue(
869 grpc_server* server, grpc_completion_queue* cq) {
870 grpc_server_register_completion_queue(server, cq, NULL);
871 }
872
grpcsharp_server_add_insecure_http2_port(grpc_server * server,const char * addr)873 GPR_EXPORT int32_t GPR_CALLTYPE grpcsharp_server_add_insecure_http2_port(
874 grpc_server* server, const char* addr) {
875 return grpc_server_add_insecure_http2_port(server, addr);
876 }
877
grpcsharp_server_start(grpc_server * server)878 GPR_EXPORT void GPR_CALLTYPE grpcsharp_server_start(grpc_server* server) {
879 grpc_server_start(server);
880 }
881
grpcsharp_server_shutdown_and_notify_callback(grpc_server * server,grpc_completion_queue * cq,grpcsharp_batch_context * ctx)882 GPR_EXPORT void GPR_CALLTYPE grpcsharp_server_shutdown_and_notify_callback(
883 grpc_server* server, grpc_completion_queue* cq,
884 grpcsharp_batch_context* ctx) {
885 grpc_server_shutdown_and_notify(server, cq, ctx);
886 }
887
888 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_server_cancel_all_calls(grpc_server * server)889 grpcsharp_server_cancel_all_calls(grpc_server* server) {
890 grpc_server_cancel_all_calls(server);
891 }
892
grpcsharp_server_destroy(grpc_server * server)893 GPR_EXPORT void GPR_CALLTYPE grpcsharp_server_destroy(grpc_server* server) {
894 grpc_server_destroy(server);
895 }
896
897 GPR_EXPORT grpc_call_error GPR_CALLTYPE
grpcsharp_server_request_call(grpc_server * server,grpc_completion_queue * cq,grpcsharp_request_call_context * ctx)898 grpcsharp_server_request_call(grpc_server* server, grpc_completion_queue* cq,
899 grpcsharp_request_call_context* ctx) {
900 return grpc_server_request_call(server, &(ctx->call), &(ctx->call_details),
901 &(ctx->request_metadata), cq, cq, ctx);
902 }
903
904 /* Security */
905
906 static char* default_pem_root_certs = NULL;
907
override_ssl_roots_handler(char ** pem_root_certs)908 static grpc_ssl_roots_override_result override_ssl_roots_handler(
909 char** pem_root_certs) {
910 if (!default_pem_root_certs) {
911 *pem_root_certs = NULL;
912 return GRPC_SSL_ROOTS_OVERRIDE_FAIL_PERMANENTLY;
913 }
914 *pem_root_certs = gpr_strdup(default_pem_root_certs);
915 return GRPC_SSL_ROOTS_OVERRIDE_OK;
916 }
917
918 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_override_default_ssl_roots(const char * pem_root_certs)919 grpcsharp_override_default_ssl_roots(const char* pem_root_certs) {
920 /*
921 * This currently wastes ~300kB of memory by keeping a copy of roots
922 * in a static variable, but for desktop/server use, the overhead
923 * is negligible. In the future, we might want to change the behavior
924 * for mobile (e.g. Xamarin).
925 */
926 default_pem_root_certs = gpr_strdup(pem_root_certs);
927 grpc_set_ssl_roots_override_callback(override_ssl_roots_handler);
928 }
929
930 GPR_EXPORT grpc_channel_credentials* GPR_CALLTYPE
grpcsharp_ssl_credentials_create(const char * pem_root_certs,const char * key_cert_pair_cert_chain,const char * key_cert_pair_private_key)931 grpcsharp_ssl_credentials_create(const char* pem_root_certs,
932 const char* key_cert_pair_cert_chain,
933 const char* key_cert_pair_private_key) {
934 grpc_ssl_pem_key_cert_pair key_cert_pair;
935 if (key_cert_pair_cert_chain || key_cert_pair_private_key) {
936 key_cert_pair.cert_chain = key_cert_pair_cert_chain;
937 key_cert_pair.private_key = key_cert_pair_private_key;
938 return grpc_ssl_credentials_create(pem_root_certs, &key_cert_pair, NULL,
939 NULL);
940 } else {
941 GPR_ASSERT(!key_cert_pair_cert_chain);
942 GPR_ASSERT(!key_cert_pair_private_key);
943 return grpc_ssl_credentials_create(pem_root_certs, NULL, NULL, NULL);
944 }
945 }
946
947 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_channel_credentials_release(grpc_channel_credentials * creds)948 grpcsharp_channel_credentials_release(grpc_channel_credentials* creds) {
949 grpc_channel_credentials_release(creds);
950 }
951
952 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_call_credentials_release(grpc_call_credentials * creds)953 grpcsharp_call_credentials_release(grpc_call_credentials* creds) {
954 grpc_call_credentials_release(creds);
955 }
956
grpcsharp_secure_channel_create(grpc_channel_credentials * creds,const char * target,const grpc_channel_args * args)957 GPR_EXPORT grpc_channel* GPR_CALLTYPE grpcsharp_secure_channel_create(
958 grpc_channel_credentials* creds, const char* target,
959 const grpc_channel_args* args) {
960 return grpc_secure_channel_create(creds, target, args, NULL);
961 }
962
963 GPR_EXPORT grpc_server_credentials* GPR_CALLTYPE
grpcsharp_ssl_server_credentials_create(const char * pem_root_certs,const char ** key_cert_pair_cert_chain_array,const char ** key_cert_pair_private_key_array,size_t num_key_cert_pairs,int force_client_auth)964 grpcsharp_ssl_server_credentials_create(
965 const char* pem_root_certs, const char** key_cert_pair_cert_chain_array,
966 const char** key_cert_pair_private_key_array, size_t num_key_cert_pairs,
967 int force_client_auth) {
968 size_t i;
969 grpc_server_credentials* creds;
970 grpc_ssl_pem_key_cert_pair* key_cert_pairs =
971 gpr_malloc(sizeof(grpc_ssl_pem_key_cert_pair) * num_key_cert_pairs);
972 memset(key_cert_pairs, 0,
973 sizeof(grpc_ssl_pem_key_cert_pair) * num_key_cert_pairs);
974
975 for (i = 0; i < num_key_cert_pairs; i++) {
976 if (key_cert_pair_cert_chain_array[i] ||
977 key_cert_pair_private_key_array[i]) {
978 key_cert_pairs[i].cert_chain = key_cert_pair_cert_chain_array[i];
979 key_cert_pairs[i].private_key = key_cert_pair_private_key_array[i];
980 }
981 }
982 creds = grpc_ssl_server_credentials_create_ex(
983 pem_root_certs, key_cert_pairs, num_key_cert_pairs,
984 force_client_auth
985 ? GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY
986 : GRPC_SSL_DONT_REQUEST_CLIENT_CERTIFICATE,
987 NULL);
988 gpr_free(key_cert_pairs);
989 return creds;
990 }
991
992 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_server_credentials_release(grpc_server_credentials * creds)993 grpcsharp_server_credentials_release(grpc_server_credentials* creds) {
994 grpc_server_credentials_release(creds);
995 }
996
grpcsharp_server_add_secure_http2_port(grpc_server * server,const char * addr,grpc_server_credentials * creds)997 GPR_EXPORT int32_t GPR_CALLTYPE grpcsharp_server_add_secure_http2_port(
998 grpc_server* server, const char* addr, grpc_server_credentials* creds) {
999 return grpc_server_add_secure_http2_port(server, addr, creds);
1000 }
1001
1002 GPR_EXPORT grpc_channel_credentials* GPR_CALLTYPE
grpcsharp_composite_channel_credentials_create(grpc_channel_credentials * channel_creds,grpc_call_credentials * call_creds)1003 grpcsharp_composite_channel_credentials_create(
1004 grpc_channel_credentials* channel_creds,
1005 grpc_call_credentials* call_creds) {
1006 return grpc_composite_channel_credentials_create(channel_creds, call_creds,
1007 NULL);
1008 }
1009
1010 GPR_EXPORT grpc_call_credentials* GPR_CALLTYPE
grpcsharp_composite_call_credentials_create(grpc_call_credentials * creds1,grpc_call_credentials * creds2)1011 grpcsharp_composite_call_credentials_create(grpc_call_credentials* creds1,
1012 grpc_call_credentials* creds2) {
1013 return grpc_composite_call_credentials_create(creds1, creds2, NULL);
1014 }
1015
1016 /* Metadata credentials plugin */
1017
grpcsharp_metadata_credentials_notify_from_plugin(grpc_credentials_plugin_metadata_cb cb,void * user_data,grpc_metadata_array * metadata,grpc_status_code status,const char * error_details)1018 GPR_EXPORT void GPR_CALLTYPE grpcsharp_metadata_credentials_notify_from_plugin(
1019 grpc_credentials_plugin_metadata_cb cb, void* user_data,
1020 grpc_metadata_array* metadata, grpc_status_code status,
1021 const char* error_details) {
1022 if (metadata) {
1023 cb(user_data, metadata->metadata, metadata->count, status, error_details);
1024 } else {
1025 cb(user_data, NULL, 0, status, error_details);
1026 }
1027 }
1028
1029 typedef void(GPR_CALLTYPE* grpcsharp_metadata_interceptor_func)(
1030 void* state, const char* service_url, const char* method_name,
1031 grpc_credentials_plugin_metadata_cb cb, void* user_data,
1032 int32_t is_destroy);
1033
grpcsharp_get_metadata_handler(void * state,grpc_auth_metadata_context context,grpc_credentials_plugin_metadata_cb cb,void * user_data,grpc_metadata creds_md[GRPC_METADATA_CREDENTIALS_PLUGIN_SYNC_MAX],size_t * num_creds_md,grpc_status_code * status,const char ** error_details)1034 static int grpcsharp_get_metadata_handler(
1035 void* state, grpc_auth_metadata_context context,
1036 grpc_credentials_plugin_metadata_cb cb, void* user_data,
1037 grpc_metadata creds_md[GRPC_METADATA_CREDENTIALS_PLUGIN_SYNC_MAX],
1038 size_t* num_creds_md, grpc_status_code* status,
1039 const char** error_details) {
1040 grpcsharp_metadata_interceptor_func interceptor =
1041 (grpcsharp_metadata_interceptor_func)(intptr_t)state;
1042 interceptor(state, context.service_url, context.method_name, cb, user_data,
1043 0);
1044 return 0; /* Asynchronous return. */
1045 }
1046
grpcsharp_metadata_credentials_destroy_handler(void * state)1047 static void grpcsharp_metadata_credentials_destroy_handler(void* state) {
1048 grpcsharp_metadata_interceptor_func interceptor =
1049 (grpcsharp_metadata_interceptor_func)(intptr_t)state;
1050 interceptor(state, NULL, NULL, NULL, NULL, 1);
1051 }
1052
1053 GPR_EXPORT grpc_call_credentials* GPR_CALLTYPE
grpcsharp_metadata_credentials_create_from_plugin(grpcsharp_metadata_interceptor_func metadata_interceptor)1054 grpcsharp_metadata_credentials_create_from_plugin(
1055 grpcsharp_metadata_interceptor_func metadata_interceptor) {
1056 grpc_metadata_credentials_plugin plugin;
1057 plugin.get_metadata = grpcsharp_get_metadata_handler;
1058 plugin.destroy = grpcsharp_metadata_credentials_destroy_handler;
1059 plugin.state = (void*)(intptr_t)metadata_interceptor;
1060 plugin.type = "";
1061 return grpc_metadata_credentials_create_from_plugin(plugin, NULL);
1062 }
1063
1064 /* Auth context */
1065
1066 GPR_EXPORT grpc_auth_context* GPR_CALLTYPE
grpcsharp_call_auth_context(grpc_call * call)1067 grpcsharp_call_auth_context(grpc_call* call) {
1068 return grpc_call_auth_context(call);
1069 }
1070
1071 GPR_EXPORT const char* GPR_CALLTYPE
grpcsharp_auth_context_peer_identity_property_name(const grpc_auth_context * ctx)1072 grpcsharp_auth_context_peer_identity_property_name(
1073 const grpc_auth_context* ctx) {
1074 return grpc_auth_context_peer_identity_property_name(ctx);
1075 }
1076
1077 GPR_EXPORT grpc_auth_property_iterator GPR_CALLTYPE
grpcsharp_auth_context_property_iterator(const grpc_auth_context * ctx)1078 grpcsharp_auth_context_property_iterator(const grpc_auth_context* ctx) {
1079 return grpc_auth_context_property_iterator(ctx);
1080 }
1081
1082 GPR_EXPORT const grpc_auth_property* GPR_CALLTYPE
grpcsharp_auth_property_iterator_next(grpc_auth_property_iterator * it)1083 grpcsharp_auth_property_iterator_next(grpc_auth_property_iterator* it) {
1084 return grpc_auth_property_iterator_next(it);
1085 }
1086
1087 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_auth_context_release(grpc_auth_context * ctx)1088 grpcsharp_auth_context_release(grpc_auth_context* ctx) {
1089 grpc_auth_context_release(ctx);
1090 }
1091
1092 /* Logging */
1093
1094 typedef void(GPR_CALLTYPE* grpcsharp_log_func)(const char* file, int32_t line,
1095 uint64_t thd_id,
1096 const char* severity_string,
1097 const char* msg);
1098 static grpcsharp_log_func log_func = NULL;
1099
1100 /* Redirects gpr_log to log_func callback */
grpcsharp_log_handler(gpr_log_func_args * args)1101 static void grpcsharp_log_handler(gpr_log_func_args* args) {
1102 log_func(args->file, args->line, gpr_thd_currentid(),
1103 gpr_log_severity_string(args->severity), args->message);
1104 }
1105
grpcsharp_redirect_log(grpcsharp_log_func func)1106 GPR_EXPORT void GPR_CALLTYPE grpcsharp_redirect_log(grpcsharp_log_func func) {
1107 GPR_ASSERT(func);
1108 log_func = func;
1109 gpr_set_log_function(grpcsharp_log_handler);
1110 }
1111
1112 typedef void(GPR_CALLTYPE* test_callback_funcptr)(int32_t success);
1113
1114 /* Version info */
grpcsharp_version_string()1115 GPR_EXPORT const char* GPR_CALLTYPE grpcsharp_version_string() {
1116 return grpc_version_string();
1117 }
1118
1119 /* For testing */
1120 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_test_callback(test_callback_funcptr callback)1121 grpcsharp_test_callback(test_callback_funcptr callback) {
1122 callback(1);
1123 }
1124
1125 /* For testing */
grpcsharp_test_nop(void * ptr)1126 GPR_EXPORT void* GPR_CALLTYPE grpcsharp_test_nop(void* ptr) { return ptr; }
1127
1128 /* For testing */
grpcsharp_sizeof_grpc_event(void)1129 GPR_EXPORT int32_t GPR_CALLTYPE grpcsharp_sizeof_grpc_event(void) {
1130 return sizeof(grpc_event);
1131 }
1132
1133 /* Override a method for testing */
1134 GPR_EXPORT void GPR_CALLTYPE
grpcsharp_test_override_method(const char * method_name,const char * variant)1135 grpcsharp_test_override_method(const char* method_name, const char* variant) {
1136 if (strcmp("grpcsharp_call_start_batch", method_name) == 0) {
1137 if (strcmp("nop", variant) == 0) {
1138 g_call_start_batch_func = grpcsharp_call_start_batch_nop;
1139 } else {
1140 GPR_ASSERT(0);
1141 }
1142 } else {
1143 GPR_ASSERT(0);
1144 }
1145 }
1146