| 1 | // fanos.cc
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| 2 |
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| 3 | #include "cpp/fanos.h"
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| 4 |
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| 5 | #include <assert.h>
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| 6 | #include <errno.h>
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| 7 | #include <stdio.h>
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| 8 | #include <stdlib.h>
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| 9 | #include <sys/socket.h>
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| 10 | #include <unistd.h>
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| 11 |
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| 12 | #include "cpp/fanos_shared.h"
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| 13 |
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| 14 | namespace fanos {
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| 15 |
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| 16 | void send(int sock_fd, BigStr* blob) {
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| 17 | // TODO: Support this argument
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| 18 | int fds[FANOS_NUM_FDS] = {-1, -1, -1};
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| 19 |
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| 20 | FanosError err = {0};
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| 21 | fanos_send(sock_fd, blob->data(), len(blob), fds, &err);
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| 22 | if (err.err_code != 0) {
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| 23 | throw Alloc<IOError>(err.err_code);
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| 24 | }
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| 25 | if (err.value_err != NULL) {
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| 26 | throw Alloc<ValueError>(StrFromC(err.value_err));
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| 27 | }
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| 28 | }
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| 29 |
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| 30 | BigStr* recv(int sock_fd, List<int>* fd_out) {
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| 31 | FanosError err = {0};
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| 32 | FanosResult res = {nullptr, FANOS_INVALID_LEN};
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| 33 | int fds[FANOS_NUM_FDS] = {-1, -1, -1};
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| 34 |
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| 35 | fanos_recv(sock_fd, fds, &res, &err);
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| 36 |
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| 37 | if (err.err_code != 0) {
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| 38 | throw Alloc<IOError>(err.err_code);
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| 39 | }
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| 40 | if (err.value_err != nullptr) {
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| 41 | throw Alloc<ValueError>(StrFromC(err.value_err));
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| 42 | }
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| 43 |
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| 44 | if (res.len == FANOS_EOF) {
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| 45 | return nullptr; // EOF sentinel
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| 46 | }
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| 47 | for (int i = 0; i < 3; i++) {
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| 48 | fd_out->append(fds[i]);
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| 49 | }
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| 50 |
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| 51 | DCHECK(res.data != nullptr);
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| 52 | BigStr* ret = StrFromC(res.data, res.len);
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| 53 | free(res.data);
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| 54 | return ret;
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| 55 | }
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| 56 |
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| 57 | } // namespace fanos
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