diff options
Diffstat (limited to 'src/os/unix')
-rw-r--r-- | src/os/unix/ngx_errno.h | 2 | ||||
-rw-r--r-- | src/os/unix/ngx_freebsd_init.c | 69 | ||||
-rw-r--r-- | src/os/unix/ngx_linux_config.h | 1 | ||||
-rw-r--r-- | src/os/unix/ngx_linux_sendfile_chain.c | 183 | ||||
-rw-r--r-- | src/os/unix/ngx_solaris_config.h | 1 |
5 files changed, 234 insertions, 22 deletions
diff --git a/src/os/unix/ngx_errno.h b/src/os/unix/ngx_errno.h index b9802817b..6006471d9 100644 --- a/src/os/unix/ngx_errno.h +++ b/src/os/unix/ngx_errno.h @@ -24,6 +24,8 @@ typedef int ngx_err_t; #define ngx_socket_errno errno #define ngx_set_socket_errno(err) errno = err +#define ngx_strerror(err) strerror(err) + #define ngx_strerror_r(err, errstr, size) \ ngx_cpystrn(errstr, strerror(err), size) - (errstr) diff --git a/src/os/unix/ngx_freebsd_init.c b/src/os/unix/ngx_freebsd_init.c index 100dfc475..cacc4579f 100644 --- a/src/os/unix/ngx_freebsd_init.c +++ b/src/os/unix/ngx_freebsd_init.c @@ -2,6 +2,7 @@ #include <ngx_freebsd_init.h> +/* FreeBSD 3.4 at least */ char ngx_freebsd_kern_ostype[20]; char ngx_freebsd_kern_osrelease[20]; int ngx_freebsd_kern_osreldate; @@ -9,6 +10,9 @@ int ngx_freebsd_hw_ncpu; int ngx_freebsd_net_inet_tcp_sendspace; int ngx_freebsd_sendfile_nbytes_bug; +/* FreeBSD 5.0 */ +int ngx_freebsd_kern_ipc_zero_copy_send; + ngx_os_io_t ngx_os_io = { ngx_unix_recv, @@ -19,9 +23,35 @@ ngx_os_io_t ngx_os_io = { }; +typedef struct { + char *name; + int *value; + size_t size; +} sysctl_t; + + +sysctl_t sysctls[] = { + {"hw.ncpu", + &ngx_freebsd_hw_ncpu, + sizeof(int)}, + + {"net.inet.tcp.sendspace", + &ngx_freebsd_net_inet_tcp_sendspace, + sizeof(int)}, + + {"kern.ipc.zero_copy.send", + &ngx_freebsd_kern_ipc_zero_copy_send, + sizeof(int)}, + + {NULL, NULL, 0} +}; + + int ngx_os_init(ngx_log_t *log) { - size_t size; + int i; + size_t size; + ngx_err_t err; size = 20; if (sysctlbyname("kern.ostype", @@ -85,28 +115,23 @@ int ngx_os_init(ngx_log_t *log) #endif /* HAVE_FREEBSD_SENDFILE */ - size = 4; - if (sysctlbyname("hw.ncpu", &ngx_freebsd_hw_ncpu, &size, NULL, 0) == -1) { - ngx_log_error(NGX_LOG_ALERT, log, errno, - "sysctlbyname(hw.ncpu) failed"); - return NGX_ERROR; - } - - ngx_log_error(NGX_LOG_INFO, log, 0, "hw.ncpu: %d", ngx_freebsd_hw_ncpu); - - - size = 4; - if (sysctlbyname("net.inet.tcp.sendspace", - &ngx_freebsd_net_inet_tcp_sendspace, - &size, NULL, 0) == -1) - { - ngx_log_error(NGX_LOG_ALERT, log, errno, - "sysctlbyname(net.inet.tcp.sendspace) failed"); - return NGX_ERROR; + for (i = 0; sysctls[i].name; i++) { + *sysctls[i].value = 0; + size = sysctls[i].size; + if (sysctlbyname(sysctls[i].name, sysctls[i].value, &size, NULL, 0) + == -1) { + err = errno; + if (err != NGX_ENOENT) { + ngx_log_error(NGX_LOG_ALERT, log, err, + "sysctlbyname(%s) failed", sysctls[i].name); + return NGX_ERROR; + } + + } else { + ngx_log_error(NGX_LOG_INFO, log, 0, "%s: %d", + sysctls[i].name, *sysctls[i].value); + } } - ngx_log_error(NGX_LOG_INFO, log, 0, "net.inet.tcp.sendspace: %d", - ngx_freebsd_net_inet_tcp_sendspace); - return ngx_posix_init(log); } diff --git a/src/os/unix/ngx_linux_config.h b/src/os/unix/ngx_linux_config.h index e4c5dd0a3..cfd941342 100644 --- a/src/os/unix/ngx_linux_config.h +++ b/src/os/unix/ngx_linux_config.h @@ -26,6 +26,7 @@ #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> +#include <netdb.h> typedef unsigned int u_int; diff --git a/src/os/unix/ngx_linux_sendfile_chain.c b/src/os/unix/ngx_linux_sendfile_chain.c new file mode 100644 index 000000000..6ea67f46b --- /dev/null +++ b/src/os/unix/ngx_linux_sendfile_chain.c @@ -0,0 +1,183 @@ + +#include <ngx_config.h> +#include <ngx_core.h> +#include <ngx_linux_init.h> + + +ngx_chain_t *ngx_linux_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in) +{ + int rc, on, off; + char *prev; + size_t hsize, size; + ssize_t sent; + struct iovec *iov; + struct sf_hdtr hdtr; + ngx_err_t err; + ngx_array_t header, trailer; + ngx_hunk_t *file; + ngx_chain_t *ce; + + ce = in; + file = NULL; + hsize = 0; + + on = 1; + off = 0; + + ngx_init_array(header, c->pool, 10, sizeof(struct iovec), NGX_CHAIN_ERROR); + ngx_init_array(trailer, c->pool, 10, sizeof(struct iovec), NGX_CHAIN_ERROR); + + /* create the header iovec */ + if (ngx_hunk_in_memory_only(ce->hunk)) { + prev = NULL; + iov = NULL; + + /* create the iovec and coalesce the neighbouring chain entries */ + while (ce && ngx_hunk_in_memory_only(ce->hunk)) { + + if (prev == ce->hunk->pos) { + iov->iov_len += ce->hunk->last - ce->hunk->pos; + prev = ce->hunk->last; + + } else { + ngx_test_null(iov, ngx_push_array(&header), NGX_CHAIN_ERROR); + iov->iov_base = ce->hunk->pos; + iov->iov_len = ce->hunk->last - ce->hunk->pos; + prev = ce->hunk->last; + } + + if (ngx_freebsd_sendfile_nbytes_bug) { + hsize += ce->hunk->last - ce->hunk->pos; + } + + ce = ce->next; + } + } + + /* TODO: coalesce the neighbouring file hunks */ + if (ce && (ce->hunk->type & NGX_HUNK_FILE)) { + file = ce->hunk; + ce = ce->next; + } + + /* create the trailer iovec */ + if (ce && ngx_hunk_in_memory_only(ce->hunk)) { + prev = NULL; + iov = NULL; + + /* create the iovec and coalesce the neighbouring chain entries */ + while (ce && ngx_hunk_in_memory_only(ce->hunk)) { + + if (prev == ce->hunk->pos) { + iov->iov_len += ce->hunk->last - ce->hunk->pos; + prev = ce->hunk->last; + + } else { + ngx_test_null(iov, ngx_push_array(&trailer), NGX_CHAIN_ERROR); + iov->iov_base = ce->hunk->pos; + iov->iov_len = ce->hunk->last - ce->hunk->pos; + prev = ce->hunk->last; + } + + ce = ce->next; + } + } + + if (file) { + if (setsockopt(c->fd, IPPROTO_TCP, TCP_CORK, + (const void *) &on, sizeof(int)) == -1) { + ngx_log_error(NGX_LOG_CRIT, c->log, err, + "setsockopt(TCP_CORK, 1) failed"); + return NGX_CHAIN_ERROR; + } + + + rc = sendfile(c->fd, file->file->fd, file->file_pos, + (size_t) (file->file_last - file->file_pos)); + + if (rc == -1) { + err = ngx_errno; + if (err == NGX_EAGAIN) { + ngx_log_error(NGX_LOG_INFO, c->log, err, "senfile() EAGAIN"); + + } else if (err == NGX_EINTR) { + ngx_log_error(NGX_LOG_INFO, c->log, err, "senfile() EINTR"); + + } else { + ngx_log_error(NGX_LOG_CRIT, c->log, err, "sendfile() failed"); + return NGX_CHAIN_ERROR; + } + } + + sent = rc > 0 ? rc : 0; + +#if (NGX_DEBUG_WRITE_CHAIN) + ngx_log_debug(c->log, "sendfile: %d, @%qd %d:%d" _ + rc _ file->file_pos _ sent _ + (size_t) (file->file_last - file->file_pos)); +#endif + + } else { + rc = writev(c->fd, (struct iovec *) header.elts, header.nelts); + + if (rc == -1) { + err = ngx_errno; + if (err == NGX_EAGAIN) { + ngx_log_error(NGX_LOG_INFO, c->log, err, "writev() EAGAIN"); + + } else if (err == NGX_EINTR) { + ngx_log_error(NGX_LOG_INFO, c->log, err, "writev() EINTR"); + + } else { + ngx_log_error(NGX_LOG_CRIT, c->log, err, "writev() failed"); + return NGX_CHAIN_ERROR; + } + } + + sent = rc > 0 ? rc : 0; + +#if (NGX_DEBUG_WRITE_CHAIN) + ngx_log_debug(c->log, "writev: %d" _ sent); +#endif + } + + c->sent += sent; + + for (ce = in; ce && sent > 0; ce = ce->next) { + + if (ce->hunk->type & NGX_HUNK_IN_MEMORY) { + size = ce->hunk->last - ce->hunk->pos; + } else { + size = ce->hunk->file_last - ce->hunk->file_pos; + } + + if (sent >= size) { + sent -= size; + + if (ce->hunk->type & NGX_HUNK_IN_MEMORY) { + ce->hunk->pos = ce->hunk->last; + } + + if (ce->hunk->type & NGX_HUNK_FILE) { + ce->hunk->file_pos = ce->hunk->file_last; + } + + continue; + } + + if (ce->hunk->type & NGX_HUNK_IN_MEMORY) { + ce->hunk->pos += sent; + } + + if (ce->hunk->type & NGX_HUNK_FILE) { + ce->hunk->file_pos += sent; + } + + break; + } + + ngx_destroy_array(&trailer); + ngx_destroy_array(&header); + + return ce; +} diff --git a/src/os/unix/ngx_solaris_config.h b/src/os/unix/ngx_solaris_config.h index 786cf0b67..197750105 100644 --- a/src/os/unix/ngx_solaris_config.h +++ b/src/os/unix/ngx_solaris_config.h @@ -22,6 +22,7 @@ #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> +#include <netdb.h> typedef uint32_t u_int32_t; 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