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20455a4ad3
* move server_pipe to common * init impl * vendor: update subprocess.h * add server_mcp_stdio * stderr drain * server_mcp_transport * server_mcp_stdio is now framing-only, no json * internal/mcp-stdio: integration + tests + fixes (#26075) * server-mcp: harden transport and wire up the tool integration Builds on the transport/manager architecture (server_mcp_transport + server_pipe) with the hardening and integration the draft did not yet have. Hardening: * Reader and stderr pumps are polled (running-aware) instead of blocking on a read that only ends at EOF. subprocess_terminate() SIGKILLs only the direct child, so a grandchild the MCP server spawned that inherited the pipe would otherwise keep the write end open and hang teardown (both warmup shutdown at startup and process shutdown). The writer is likewise non-blocking + polled. * Windows: resolve the command through PATHEXT so "npx" (npm ships npx.cmd, never npx.exe) spawns, matching POSIX's PATH search; and enumerate the parent environment as UTF-8 (GetEnvironmentStringsW) instead of the active code page. * server_pipe gains an opt-in max_size (default unbounded, so the router's streaming use is unchanged); the MCP reply queue uses it so a server that streams unsolicited notifications between requests cannot grow it without bound. Integration: * --mcp-servers-config / --mcp-servers-json flags; enabling MCP restricts default CORS to localhost, same as --tools. * MCP tools are exposed through /tools (and chat-completions) as <server>_<tool>, skipping names that collide with a built-in or another MCP tool. * Manager lifecycle wired into llama_server(): warmup at start, shutdown() from the signal handler before the HTTP server drains, blocking teardown in clean_up(). * SIGPIPE ignored so a child dying mid-write yields EPIPE rather than killing us. Assisted-By: Claude Opus 4.8 <noreply@anthropic.com> * server-mcp: add MCP test suite with grandchild deadlock regression test 21 tests over the /tools endpoint: tool discovery/invocation, timeouts, crash recovery and respawn cooldown, warmup partial failure, malformed and batched notification+response output, tool-definition shape, and prompt shutdown during a slow call. The last test spawns an MCP server that leaves a grandchild inheriting its stdout/stderr and asserts the server both starts and stops promptly. Verified it fails (5s SIGKILL fallback on a deadlocked reader-join) when the pump is made to ignore the running flag, and passes with the polled reader. Assisted-By: Claude Opus 4.8 <noreply@anthropic.com> * clean up * clean up 2 * even stricter life cycle * nits * nits 2 --------- Co-authored-by: Xuan Son Nguyen <son@huggingface.co> * fix some edge cases * fix last_error data race * fix response schema + docs * server: fix MCP zombie leak and timeout-induced transport teardown join_pumps() never reaped the child, leaking one zombie per spawn: call subprocess_join() before subprocess_destroy(). A per-call timeout permanently closed from_server and got a healthy transport evicted: add close_on_stop to server_pipe::read() and pass false from send_rpc(), where should_stop is a per-request deadline and a late reply is already skipped on id mismatch. Also drop the unreachable disconnect cancellation in server_mcp_tool::invoke(): support_stream is false, st is always null. (cherry picked from commit e6de1ec043174fd0570b1e60d47f06c7c19d620d) Assisted-by: Claude Opus 4.8 * server: make MCP test fixtures JSON-RPC 2.0 compliant Add the missing notification guard to mcp_malformed_server.py and mcp_burst_server.py (the latter treated id 0 as a notification and replied to unknown ones; its notification table is now unused). Return -32602 instead of -32601 for unknown tools: tools/call is a valid method, the tool name is the invalid parameter. Also fix the test module docstring: tools are named <server>_<tool>. (cherry picked from commit 74a08e8c311dabf3b49d06cc6d754b0097ae7a38) Assisted-by: Claude Opus 4.8 --------- Co-authored-by: Piotr Wilkin (ilintar) <piotr.wilkin@syndatis.com> Co-authored-by: Pascal <admin@serveurperso.com> |
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| .. | ||
| jinja | ||
| arg.cpp | ||
| arg.h | ||
| base64.hpp | ||
| build-info.cpp.in | ||
| build-info.h | ||
| chat-auto-parser-generator.cpp | ||
| chat-auto-parser-helpers.cpp | ||
| chat-auto-parser-helpers.h | ||
| chat-auto-parser.h | ||
| chat-diff-analyzer.cpp | ||
| chat-peg-parser.cpp | ||
| chat-peg-parser.h | ||
| chat.cpp | ||
| chat.h | ||
| CMakeLists.txt | ||
| common.cpp | ||
| common.h | ||
| console.cpp | ||
| console.h | ||
| debug.cpp | ||
| debug.h | ||
| download.cpp | ||
| download.h | ||
| fit.cpp | ||
| fit.h | ||
| hf-cache.cpp | ||
| hf-cache.h | ||
| http.h | ||
| imatrix-loader.cpp | ||
| imatrix-loader.h | ||
| json-schema-to-grammar.cpp | ||
| json-schema-to-grammar.h | ||
| llguidance.cpp | ||
| log.cpp | ||
| log.h | ||
| ngram-cache.cpp | ||
| ngram-cache.h | ||
| ngram-map.cpp | ||
| ngram-map.h | ||
| ngram-mod.cpp | ||
| ngram-mod.h | ||
| peg-parser.cpp | ||
| peg-parser.h | ||
| preset.cpp | ||
| preset.h | ||
| reasoning-budget.cpp | ||
| reasoning-budget.h | ||
| sampling.cpp | ||
| sampling.h | ||
| speculative.cpp | ||
| speculative.h | ||
| trie.cpp | ||
| trie.h | ||
| unicode.cpp | ||
| unicode.h | ||