| 292 | } |
| 293 | |
| 294 | int |
| 295 | hstcpcli::request_send() |
| 296 | { |
| 297 | if (error_code < 0) { |
| 298 | return error_code; |
| 299 | } |
| 300 | clear_error(); |
| 301 | if (fd.get() < 0) { |
| 302 | close(); |
| 303 | return set_error(-1, "write: closed"); |
| 304 | } |
| 305 | if (num_req_bufd == 0 || num_req_sent > 0 || num_req_rcvd > 0) { |
| 306 | close(); |
| 307 | return set_error(-1, "request_send: protocol out of sync"); |
| 308 | } |
| 309 | const size_t wrlen = writebuf.size(); |
| 310 | const ssize_t r = send(fd.get(), writebuf.begin(), wrlen, MSG_NOSIGNAL); |
| 311 | if (r <= 0) { |
| 312 | close(); |
| 313 | return set_error(-1, r < 0 ? "write: failed" : "write: eof"); |
| 314 | } |
| 315 | writebuf.erase_front(r); |
| 316 | if (static_cast<size_t>(r) != wrlen) { |
| 317 | close(); |
| 318 | return set_error(-1, "write: incomplete"); |
| 319 | } |
| 320 | num_req_sent = num_req_bufd; |
| 321 | num_req_bufd = 0; |
| 322 | DBG(fprintf(stderr, "REQSEND 0\n")); |
| 323 | return 0; |
| 324 | } |
| 325 | |
| 326 | int |
| 327 | hstcpcli::response_recv(size_t& num_flds_r) |