From 89f3fc2d08e37b61cff302184fbd56f03058d1a9 Mon Sep 17 00:00:00 2001 From: hyung-hwan Date: Sun, 18 Mar 2018 15:29:16 +0000 Subject: [PATCH] started some code for hcl client --- lib/hcl-c.c | 256 ++++++++++++++++++++++++++++++++++++++++++++++++++-- lib/hcl-c.h | 86 ++++++++++++++++++ lib/hcl-s.c | 111 ++++++++++++++--------- lib/hcl-s.h | 23 +++++ lib/read.c | 1 + 5 files changed, 426 insertions(+), 51 deletions(-) diff --git a/lib/hcl-c.c b/lib/hcl-c.c index efc683e..9e8fbfc 100644 --- a/lib/hcl-c.c +++ b/lib/hcl-c.c @@ -27,6 +27,25 @@ #include "hcl-c.h" #include "hcl-prv.h" +enum hcl_reply_type_t +{ + HCL_REPLY_TYPE_OK = 0, + HCL_REPLY_TYPE_ERROR = 1 +}; +typedef enum hcl_reply_type_t hcl_reply_type_t; + +enum hcl_client_proto_state_t +{ + HCL_CLIENT_PROTO_STATE_START, + HCL_CLIENT_PROTO_STATE_IN_REPLY_NAME, + HCL_CLIENT_PROTO_STATE_IN_REPLY_VALUE, + HCL_CLIENT_PROTO_STATE_IN_HEADER_NAME, + HCL_CLIENT_PROTO_STATE_IN_HEADER_VALUE, + HCL_CLIENT_PROTO_STATE_IN_DATA, + HCL_CLIENT_PROTO_STATE_IN_BINARY_DATA, + HCL_CLIENT_PROTO_STATE_IN_CHUNK, +}; +typedef enum hcl_client_proto_state_t hcl_client_proto_state_t; struct hcl_client_proto_t { @@ -38,25 +57,45 @@ struct hcl_client_proto_t hcl_oow_t len; hcl_oow_t capa; } req; - + + hcl_client_proto_state_t state; struct { + /* hcl_ooch_t* ptr; hcl_oow_t len; hcl_oow_t capa; + */ + struct + { + hcl_ooch_t* ptr; + hcl_oow_t len; + hcl_oow_t capa; + } tok; + + hcl_reply_type_t type; } rep; }; +typedef struct hcl_client_proto_t hcl_client_proto_t; struct hcl_client_t { hcl_mmgr_t* mmgr; hcl_cmgr_t* cmgr; /*hcl_t* dummy_hcl;*/ + + hcl_errnum_t errnum; + struct + { + hcl_ooch_t buf[HCL_ERRMSG_CAPA]; + hcl_oow_t len; + } errmsg; }; /* ========================================================================= */ +#if 0 static void proto_start_request (hcl_client_proto_t* proto) { proto->req.len = 0; @@ -74,24 +113,162 @@ static int proto_end_request (hcl_client_proto_t* proto) return 0; } +#endif static void proto_start_response (hcl_client_proto_t* proto) { + proto->state = HCL_CLIENT_PROTO_STATE_START; + //proto->rep.len = 0; } -static void proto_feed_reply_data (hcl_client_proto_t* proto, const hcl_bch_t* ptr, hcl_oow_t len) -{ - const hcl_bch_t* end = ptr + len; - while (ptr < end) - { - hcl_bch_t b = *ptr++; - switch (b) +static HCL_INLINE int is_spacechar (hcl_bch_t c) +{ + /* TODO: handle other space unicode characters */ + switch (c) + { + case ' ': + case '\f': /* formfeed */ + case '\r': /* carriage return */ + case '\t': /* horizon tab */ + case '\v': /* vertical tab */ + return 1; + + default: + return 0; + } +} + +static HCL_INLINE int is_alphachar (hcl_ooci_t c) +{ +/* TODO: support full unicode */ + return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); +} + +static HCL_INLINE int is_digitchar (hcl_ooci_t c) +{ +/* TODO: support full unicode */ + return (c >= '0' && c <= '9'); +} + +static void clear_reply_token (hcl_client_proto_t* proto) +{ + proto->rep.tok.len = 0; +} + +static int add_to_reply_token (hcl_client_proto_t* proto, hcl_ooch_t ch) +{ + if (proto->rep.tok.len >= proto->rep.tok.capa) + { + hcl_ooch_t* tmp; + hcl_oow_t newcapa; + + newcapa = HCL_ALIGN_POW2(proto->rep.tok.len + 1, 128); + tmp = hcl_client_reallocmem(proto->client, proto->rep.tok.ptr, newcapa * HCL_SIZEOF(*tmp)); + if (!tmp) return -1; + + proto->rep.tok.capa = newcapa; + proto->rep.tok.ptr = tmp; + } + + proto->rep.tok.ptr[proto->rep.tok.len++] = ch; + return -1; +} + +static int proto_feed_reply_data (hcl_client_proto_t* proto, const hcl_bch_t* data, hcl_oow_t len) +{ + const hcl_bch_t* ptr; + const hcl_bch_t* end; + + ptr = data; + end = ptr + len; + + if (proto->state == HCL_CLIENT_PROTO_STATE_IN_BINARY_DATA) + { + } + else + { + while (ptr < end) { - case '\0': + hcl_ooch_t c; + + #if defined(HCL_OOCH_IS_UCH) + hcl_oow_t bcslen, ucslen; + int n; + + bcslen = end - ptr; + ucslen = 1; + + n = hcl_conv_bcsn_to_ucsn_with_cmgr(ptr, &bcslen, &c, &ucslen, proto->client->cmgr, 0); + if (n <= -1) + { + if (n == -3) + { + /* incomplete sequence */ + + } + + } + #else + c = *ptr++; + #endif + + switch (proto->state) + { + case HCL_CLIENT_PROTO_STATE_START: + if (c == '.') + { + proto->state = HCL_CLIENT_PROTO_STATE_IN_REPLY_NAME; + clear_reply_token (proto); + if (add_to_reply_token(proto, c) <= -1) goto oops; + break; + } + else if (!is_spacechar(c)) + { + /* TODO: set error code? or log error messages? */ + goto oops; + } + break; + + case HCL_CLIENT_PROTO_STATE_IN_REPLY_NAME: + if (is_alphachar(c) || (proto->rep.tok.len > 2 && c == '-')) + { + if (add_to_reply_token(proto, c) <= -1) goto oops; + } + else + { + if (hcl_compoocharsbcstr(proto->rep.tok.ptr, proto->rep.tok.len, ".OK") == 0) + { + proto->rep.type = HCL_REPLY_TYPE_OK; + } + else if (hcl_compoocharsbcstr(proto->rep.tok.ptr, proto->rep.tok.len, ".ERROR") == 0) + { + proto->rep.type = HCL_REPLY_TYPE_ERROR; + } + + clear_reply_token (proto); + if (add_to_reply_token(proto, c) <= -1) goto oops; + } + break; + /*case HCL_CLIENT_PROTO_STATE_IN_START_LINE:*/ + + case HCL_CLIENT_PROTO_STATE_IN_HEADER_NAME: + + break; + + case HCL_CLIENT_PROTO_STATE_IN_HEADER_VALUE: + + break; + } } } + return 0; + + +oops: + /* TODO: compute the number of processes bytes so far and return it via a parameter??? */ + return -1; } /* ========================================================================= */ @@ -217,6 +394,64 @@ void hcl_client_close (hcl_client_t* client) HCL_MMGR_FREE (client->mmgr, client); } + +hcl_errnum_t hcl_client_geterrnum (hcl_client_t* client) +{ + return client->errnum; +} + +const hcl_ooch_t* hcl_client_geterrstr (hcl_client_t* client) +{ + return hcl_errnum_to_errstr(client->errnum); +} + +const hcl_ooch_t* hcl_client_geterrmsg (hcl_client_t* client) +{ + if (client->errmsg.len <= 0) return hcl_errnum_to_errstr(client->errnum); + return client->errmsg.buf; +} + +void hcl_client_seterrnum (hcl_client_t* client, hcl_errnum_t errnum) +{ + /*if (client->shuterr) return; */ + client->errnum = errnum; + client->errmsg.len = 0; +} + +void* hcl_client_allocmem (hcl_client_t* client, hcl_oow_t size) +{ + void* ptr; + + ptr = HCL_MMGR_ALLOC(client->mmgr, size); + if (!ptr) hcl_client_seterrnum (client, HCL_ESYSMEM); + return ptr; +} + +void* hcl_client_callocmem (hcl_client_t* client, hcl_oow_t size) +{ + void* ptr; + + ptr = HCL_MMGR_ALLOC(client->mmgr, size); + if (!ptr) hcl_client_seterrnum (client, HCL_ESYSMEM); + else HCL_MEMSET (ptr, 0, size); + return ptr; +} + +void* hcl_client_reallocmem (hcl_client_t* client, void* ptr, hcl_oow_t size) +{ + ptr = HCL_MMGR_REALLOC(client->mmgr, ptr, size); + if (!ptr) hcl_client_seterrnum (client, HCL_ESYSMEM); + return ptr; +} + +void hcl_client_freemem (hcl_client_t* client, void* ptr) +{ + HCL_MMGR_FREE (client->mmgr, ptr); +} + + +/* ========================================================================= */ + int hcl_client_start (hcl_client_t* client, const hcl_bch_t* addrs) { @@ -228,3 +463,6 @@ int hcl_client_start (hcl_client_t* client, const hcl_bch_t* addrs) int hcl_client_sendreq (hcl_client_t* client, const hcl_bch_t* addrs) { } + + + diff --git a/lib/hcl-c.h b/lib/hcl-c.h index 5e94c1c..586a2d5 100644 --- a/lib/hcl-c.h +++ b/lib/hcl-c.h @@ -49,6 +49,92 @@ HCL_EXPORT void hcl_client_close ( ); +HCL_EXPORT hcl_errnum_t hcl_client_geterrnum ( + hcl_client_t* client +); + +HCL_EXPORT const hcl_ooch_t* hcl_client_geterrstr ( + hcl_client_t* client +); + +HCL_EXPORT const hcl_ooch_t* hcl_client_geterrmsg ( + hcl_client_t* client +); + +HCL_EXPORT void hcl_client_seterrnum ( + hcl_client_t* client, + hcl_errnum_t errnum +); + + + + + +HCL_EXPORT void* hcl_client_allocmem ( + hcl_client_t* client, + hcl_oow_t size +); + +HCL_EXPORT void* hcl_client_callocmem ( + hcl_client_t* client, + hcl_oow_t size +); + +HCL_EXPORT void* hcl_client_reallocmem ( + hcl_client_t* client, + void* ptr, + hcl_oow_t size +); + + +HCL_EXPORT void hcl_client_freemem ( + hcl_client_t* client, + void* ptr +); + + +HCL_EXPORT hcl_errnum_t hcl_client_geterrnum ( + hcl_client_t* client +); + +HCL_EXPORT const hcl_ooch_t* hcl_client_geterrstr ( + hcl_client_t* client +); + +HCL_EXPORT const hcl_ooch_t* hcl_client_geterrmsg ( + hcl_client_t* client +); + +HCL_EXPORT void hcl_client_seterrnum ( + hcl_client_t* client, + hcl_errnum_t errnum +); + + + + + +HCL_EXPORT void* hcl_client_allocmem ( + hcl_client_t* client, + hcl_oow_t size +); + +HCL_EXPORT void* hcl_client_callocmem ( + hcl_client_t* client, + hcl_oow_t size +); + +HCL_EXPORT void* hcl_client_reallocmem ( + hcl_client_t* client, + void* ptr, + hcl_oow_t size +); + + +HCL_EXPORT void hcl_client_freemem ( + hcl_client_t* client, + void* ptr +); #if defined(__cplusplus) } #endif diff --git a/lib/hcl-s.c b/lib/hcl-s.c index 827aa43..8d67399 100644 --- a/lib/hcl-s.c +++ b/lib/hcl-s.c @@ -1046,7 +1046,7 @@ hcl_server_proto_t* hcl_server_proto_open (hcl_oow_t xtnsize, hcl_server_worker_ vmprim.vm_gettime = vm_gettime; vmprim.vm_sleep = vm_sleep; - proto = (hcl_server_proto_t*)HCL_MMGR_ALLOC(worker->server->mmgr, HCL_SIZEOF(*proto)); + proto = (hcl_server_proto_t*)hcl_server_allocmem(worker->server, HCL_SIZEOF(*proto)); if (!proto) return HCL_NULL; HCL_MEMSET (proto, 0, HCL_SIZEOF(*proto)); @@ -1087,16 +1087,16 @@ oops: if (proto) { if (proto->hcl) hcl_close (proto->hcl); - HCL_MMGR_FREE (proto->worker->server->mmgr, proto); + hcl_server_freemem (proto->worker->server, proto); } return HCL_NULL; } void hcl_server_proto_close (hcl_server_proto_t* proto) { - if (proto->tok.ptr) HCL_MMGR_FREE (proto->worker->server->mmgr, proto->tok.ptr); + if (proto->tok.ptr) hcl_server_freemem (proto->worker->server, proto->tok.ptr); hcl_close (proto->hcl); - HCL_MMGR_FREE (proto->worker->server->mmgr, proto); + hcl_server_freemem (proto->worker->server, proto); } static int write_reply_chunk (hcl_server_proto_t* proto) @@ -1293,6 +1293,18 @@ static HCL_INLINE int is_spacechar (hcl_ooci_t c) } } +static HCL_INLINE int is_alphachar (hcl_ooci_t c) +{ +/* TODO: support full unicode */ + return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); +} + +static HCL_INLINE int is_digitchar (hcl_ooci_t c) +{ +/* TODO: support full unicode */ + return (c >= '0' && c <= '9'); +} + static HCL_INLINE int read_char (hcl_server_proto_t* proto) { proto->lxc = hcl_readchar(proto->hcl); @@ -1329,7 +1341,7 @@ static HCL_INLINE int add_token_char (hcl_server_proto_t* proto, hcl_ooch_t c) hcl_oow_t capa; capa = HCL_ALIGN_POW2(proto->tok.len + 1, HCL_SERVER_TOKEN_NAME_ALIGN); - tmp = (hcl_ooch_t*)HCL_MMGR_REALLOC(proto->worker->server->mmgr, proto->tok.ptr, capa * HCL_SIZEOF(*tmp)); + tmp = (hcl_ooch_t*)hcl_server_reallocmem(proto->worker->server, proto->tok.ptr, capa * HCL_SIZEOF(*tmp)); if (!tmp) { HCL_LOG0 (proto->hcl, SERVER_LOGMASK_ERROR, "Out of memory in allocating a token buffer\n"); @@ -1344,18 +1356,6 @@ static HCL_INLINE int add_token_char (hcl_server_proto_t* proto, hcl_ooch_t c) return 0; } -static HCL_INLINE int is_alphachar (hcl_ooci_t c) -{ -/* TODO: support full unicode */ - return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); -} - -static HCL_INLINE int is_digitchar (hcl_ooci_t c) -{ -/* TODO: support full unicode */ - return (c >= '0' && c <= '9'); -} - static void classify_current_ident_token (hcl_server_proto_t* proto) { static struct cmd_t @@ -1832,10 +1832,10 @@ int hcl_server_proto_handle_request (hcl_server_proto_t* proto) hcl_server_t* hcl_server_open (hcl_mmgr_t* mmgr, hcl_oow_t xtnsize, hcl_server_prim_t* prim, hcl_errnum_t* errnum) { - hcl_server_t* server; - hcl_t* hcl; + hcl_server_t* server = HCL_NULL; + hcl_t* hcl = HCL_NULL; hcl_vmprim_t vmprim; - hcl_tmr_t* tmr; + hcl_tmr_t* tmr = HCL_NULL; dummy_hcl_xtn_t* xtn; int pfd[2], fcv; unsigned int trait; @@ -1857,26 +1857,19 @@ hcl_server_t* hcl_server_open (hcl_mmgr_t* mmgr, hcl_oow_t xtnsize, hcl_server_p vmprim.vm_sleep = vm_sleep; hcl = hcl_open(mmgr, HCL_SIZEOF(*xtn), 2048, &vmprim, errnum); - if (!hcl) - { - HCL_MMGR_FREE (mmgr, server); - return HCL_NULL; - } + if (!hcl) goto oops; tmr = hcl_tmr_open(hcl, 0, 1024); /* TOOD: make the timer's default size configurable */ if (!tmr) { - hcl_close (hcl); - HCL_MMGR_FREE (mmgr, server); - return HCL_NULL; + if (errnum) *errnum = HCL_ESYSMEM; + goto oops; } if (pipe(pfd) <= -1) { - hcl_tmr_close (tmr); - hcl_close (hcl); - HCL_MMGR_FREE (mmgr, server); - return HCL_NULL; + if (errnum) *errnum = hcl_syserr_to_errnum(errno); + goto oops; } #if defined(O_CLOEXEC) @@ -1932,13 +1925,20 @@ hcl_server_t* hcl_server_open (hcl_mmgr_t* mmgr, hcl_oow_t xtnsize, hcl_server_p hcl_setoption (server->dummy_hcl, HCL_TRAIT, &trait); return server; + +oops: + /* NOTE: pipe should be closed if jump to here is made after pipe() above */ + if (tmr) hcl_tmr_close (tmr); + if (hcl) hcl_close (hcl); + if (server) HCL_MMGR_FREE (mmgr, server); + return HCL_NULL; } void hcl_server_close (hcl_server_t* server) { if (server->wid_map.ptr) { - HCL_MMGR_FREE (server->mmgr, server->wid_map.ptr); + hcl_server_freemem(server, server->wid_map.ptr); server->wid_map.capa = 0; server->wid_map.free_first = HCL_SERVER_WID_INVALID; server->wid_map.free_last = HCL_SERVER_WID_INVALID; @@ -1976,12 +1976,8 @@ static HCL_INLINE int prepare_to_acquire_wid (hcl_server_t* server) new_capa = HCL_SERVER_WID_MAX; } - tmp = (hcl_server_wid_map_data_t*)HCL_MMGR_REALLOC(server->mmgr, server->wid_map.ptr, HCL_SIZEOF(*tmp) * new_capa); - if (!tmp) - { - hcl_server_seterrnum (server, HCL_ESYSERR); - return -1; - } + tmp = (hcl_server_wid_map_data_t*)hcl_server_reallocmem(server, server->wid_map.ptr, HCL_SIZEOF(*tmp) * new_capa); + if (!tmp) return -1; server->wid_map.free_first = server->wid_map.capa; for (i = server->wid_map.capa, j = server->wid_map.capa + 1; j < new_capa; i++, j++) @@ -2039,7 +2035,7 @@ static hcl_server_worker_t* alloc_worker (hcl_server_t* server, int cli_sck, con { hcl_server_worker_t* worker; - worker = (hcl_server_worker_t*)HCL_MMGR_ALLOC(server->mmgr, HCL_SIZEOF(*worker)); + worker = (hcl_server_worker_t*)hcl_server_allocmem(server, HCL_SIZEOF(*worker)); if (!worker) return HCL_NULL; HCL_MEMSET (worker, 0, HCL_SIZEOF(*worker)); @@ -2053,7 +2049,7 @@ static hcl_server_worker_t* alloc_worker (hcl_server_t* server, int cli_sck, con if (server->wid_map.free_first == HCL_SERVER_WID_INVALID && prepare_to_acquire_wid(server) <= -1) { - HCL_MMGR_FREE (server->mmgr, worker); + hcl_server_freemem (server, worker); return HCL_NULL; } @@ -2092,7 +2088,7 @@ static void free_worker (hcl_server_worker_t* worker) } release_wid (worker->server, worker); - HCL_MMGR_FREE (worker->server->mmgr, worker); + hcl_server_freemem (worker->server, worker); } static void add_worker_to_server (hcl_server_t* server, hcl_server_worker_state_t wstate, hcl_server_worker_t* worker) @@ -2604,3 +2600,34 @@ void hcl_server_seterrufmt (hcl_server_t* server, hcl_errnum_t errnum, const hcl hcl_copyoochars (server->errmsg.buf, server->dummy_hcl->errmsg.buf, HCL_COUNTOF(server->errmsg.buf)); server->errmsg.len = server->dummy_hcl->errmsg.len; } + +void* hcl_server_allocmem (hcl_server_t* server, hcl_oow_t size) +{ + void* ptr; + + ptr = HCL_MMGR_ALLOC(server->mmgr, size); + if (!ptr) hcl_server_seterrnum (server, HCL_ESYSMEM); + return ptr; +} + +void* hcl_server_callocmem (hcl_server_t* server, hcl_oow_t size) +{ + void* ptr; + + ptr = HCL_MMGR_ALLOC(server->mmgr, size); + if (!ptr) hcl_server_seterrnum (server, HCL_ESYSMEM); + else HCL_MEMSET (ptr, 0, size); + return ptr; +} + +void* hcl_server_reallocmem (hcl_server_t* server, void* ptr, hcl_oow_t size) +{ + ptr = HCL_MMGR_REALLOC(server->mmgr, ptr, size); + if (!ptr) hcl_server_seterrnum (server, HCL_ESYSMEM); + return ptr; +} + +void hcl_server_freemem (hcl_server_t* server, void* ptr) +{ + HCL_MMGR_FREE (server->mmgr, ptr); +} diff --git a/lib/hcl-s.h b/lib/hcl-s.h index 3881259..3ee5ee4 100644 --- a/lib/hcl-s.h +++ b/lib/hcl-s.h @@ -176,6 +176,29 @@ HCL_EXPORT void hcl_server_logufmt ( ... ); + +HCL_EXPORT void* hcl_server_allocmem ( + hcl_server_t* server, + hcl_oow_t size +); + +HCL_EXPORT void* hcl_server_callocmem ( + hcl_server_t* server, + hcl_oow_t size +); + +HCL_EXPORT void* hcl_server_reallocmem ( + hcl_server_t* server, + void* ptr, + hcl_oow_t size +); + + +HCL_EXPORT void hcl_server_freemem ( + hcl_server_t* server, + void* ptr +); + #if defined(__cplusplus) } #endif diff --git a/lib/read.c b/lib/read.c index c57b095..293bb91 100644 --- a/lib/read.c +++ b/lib/read.c @@ -240,6 +240,7 @@ static hcl_oop_t string_to_num (hcl_t* hcl, hcl_oocs_t* str, int radixed) if (negsign) base = -base; return hcl_strtoint(hcl, ptr, end - ptr, base); } + static HCL_INLINE int is_spacechar (hcl_ooci_t c) { /* TODO: handle other space unicode characters */